Update ancillary dwelling unit definitions and design standards

18. Also known as an Accessory Unit or Ancillary Unit. * * * 1.2 DEFINITIONS OF TERMS * * * Accessory Unit: See Ancillary Unit, in

1, Residential Use. Accessory Structure: An Accessory Structure is a A Structure or Building customarily incidental and subordinate to the Principal Structure Building and, unless otherwise specifically provided, located on the same premises Lot. “On the same premises” shall be construed as meaning on the same Lot or on a contiguous Lot in the same ownership. Where a Building is attached to the Principal Building, it shall be considered part thereof, and not an Accessory Structure. Accessory Structures shall only contain non-Habitable accessory uses, such as a shed, storage, unenclosed summer kitchen, gazebo, and/or trellis. * * * Outbuilding Ancillary Building: A Building that is subordinate to the Principal Building and located on the same Lot. It is usually located towards the rear of the same Lot as a Principal Building. It may be attached, detached, or is sometimes connected to the Principal Building by a Backbuilding Connecting Structure. See Article 4, Table 8, Diagram C Building Disposition. Ancillary Buildings may contain an Ancillary Dwelling Unit (ADU) and/or other ancillary Habitable uses including, but not limited to, a gym, game room, home office, or pool cabana. Ancillary Buildings may also contain non-Habitable uses such as a garage, carport or storage. * * * Backbuilding: Connecting Structure: A single-story Structure or Building with a maximum width of twelve (12) feet connecting a Principal Building to an Outbuilding Ancillary Building. See Article 4, Table 8, Diagram C Building Disposition. * * *” Section 3.  Article 3 of the Miami 21 Code is amended in the following particulars:1 “ARTICLE 3. GENERAL TO ZONES * * * 3.18 ANCILLARY DWELLING UNIT (ADU) STANDARDS City of Miami File ID: 17018 (Revision: ) Printed On: 6/12/2025 a. ADUs shall comply with the Florida Building Code, City of Miami Code, and all other applicable standards of the Miami 21 Code. Additionally, an ADU shall conform to the following standards: 1. Allowable Locations i. An ADU, as defined in Article 1, titled ‘Definitions’, may be permitted in those Transect Zones pursuant to Article 4, Table 3, titled ‘Building Function: Uses’, on Lots containing a Single-Family Residence. 2. Ownership and Use i. As an ADU is a Residential Use, an ADU must be used as predominately permanent housing. ii. The Single-Family Residence and the ADU shall be under the same ownership. iii. An ADU may only be rented if the property has current proof of Homestead status. iv. When all of the following spaces are provided and are separate from the uses within the Principal Dwelling Unit, it shall be deemed an ADU. 1. Sleeping / living area; and 2. Shower / bathroom; and 3. Kitchen that incorporates a sink, countertop for food preparation, and refrigerator. 3. Unit Sizes i. See Article 6, titled ‘Supplemental Regulations’, Table 13; that sets out the minimum and maximum ADU unit sizes. 4. Placement i. An ADU shall either be within the Principal Building or an Ancillary Building. See Article 5, titled ‘Specific to Zones’; that provides the specific Principal Building and Ancillary Building design standards and illustrations. ii. A one-Story Ancillary Building may be attached or detached from the Principal Building and shall follow the Setbacks for Ancillary Buildings. iii. A two-Story Ancillary Building: 1. Detached from the Principal Building shall be separated by a minimum of ten (10) feet and shall follow the Setbacks for Ancillary Buildings. 2. Attached to the Principal Building shall follow the Setbacks for the Principal Building. 5. Height i. Ancillary Buildings shall be limited to two (2) Stories, with the exception of those located in T3-R, which shall be limited to one (1) Story. City of Miami File ID: 17018 (Revision: ) Printed On: 6/12/2025 ii. Ancillary Buildings shall be no taller than the Principal Building. See Article 5, Illustrations. 6. Entrances and Elevations i. See Article 4, Table 12 for Design Review Criteria. ii. The ADU shall have a separate entrance from the Principal Dwelling Unit. iii. Principal Buildings containing an ADU shall be designed visually as one single-family residence and the ADU entrance shall not face the street. iv. Ancillary Buildings shall be visually harmonious with the architecture of the Principal Building. v. Any Elevation of an Ancillary Building that Abuts another property shall provide only clerestory windows, no more than 24 inches in height, on the corresponding second-Story. vi. Ancillary Buildings containing an ADU are encouraged to have Awnings, Canopies and/or an associated outdoor area. 7. Parking i. See Article 4, Table 4, titled ‘Density, Intensity and Parking’, that lists the parking requirements. ii. Where an existing legal Principal Building prevents the required ADU parking space from being placed within the Second or Third Layer, said parking space: a) May be placed within the First Layer. b) Shall be exempted from the required Driveway separation distance. c) Shall utilize parking strips. Said strips shall not exceed two (2) feet in width. d) Shall be exempted from the First Layer pervious / impervious pavement requirements. * * *” Section 4. Article 4 of the Miami 21 Code is hereby amended in the following particulars:1 “ARTICLE 4. STANDARDS AND TABLES * * * TABLE 3 BUILDING FUNCTION: USES T3 T4 T5 T6 C D R L O R L O R L O R L O CS CI CI- H D D1 D2 D3 SUB- URBAN URBAN GENERAL URBAN CENTER URBAN CORE CIVIC DISTRICTS DENSIT Y (UNIT 9 9 18 * 36 36 36 65 65 65 15 0* 15 0* 15 0* N/ A AZ ** 15 0* 36 AZ *** AZ *** City of Miami File ID: 17018 (Revision: ) Printed On: 6/12/2025 T3 T4 T5 T6 C D PER ACRE) * * RESIDENTIAL CO- LIVING R* ** R* ** R* ** R* ** R* ** R* ** R* ** SINGLE FAMILY RESIDE NCE R R R R R R R R R R R R COMMU NITY RESIDE NCE R R R R R R R R R R R R R ANCILL ARY DWELLI NG UNIT R* *** *** R* *** *** R* *** *** R* *** *** R* *** *** R* *** *** R* *** *** R* *** *** R* *** *** R* *** *** R* *** *** R* *** *** R* *** *** R* *** *** TWO FAMILY RESIDE NCE R R R R R R R R R R MULTI FAMILY HOUSIN G R R R R R R R R R R DORMIT ORY E E R R R R E R HOME OFFICE R R R R R R R R R R R R R LIVE - WORK R R R R R R R WORK - LIVE R R LODGING BED & BREAKF AST R R E R R E R R R R E E INN R R R E R R R R E E HOTEL R R R R R R* E E City of Miami File ID: 17018 (Revision: ) Printed On: 6/12/2025 T3 T4 T5 T6 C D ** OFFICE OFFICE R R R R R R E R R R W COMMERCIAL AUTO- RELATE D COMME RCIAL ESTAB. W W W R R ENTERT AINMEN T ESTABL ISHMEN T R W R R R R R ENTERT AINMEN T ESTAB. – ADULT R FOOD SERVIC E ESTABL ISHMEN T R R R R W R R W E R R R W ALCOH OL BEVER AGE SERVIC E ESTAB. E E E E E E E E E E GENER AL COMME RCIAL R R R R W R R E E R R R W MARINE RELATE D COMME RCIAL W W W W E R R R City of Miami File ID: 17018 (Revision: ) Printed On: 6/12/2025 T3 T4 T5 T6 C D ESTAB. OPEN AIR RETAIL W W W W W E R R R W PLACE OF ASSEM BLY R R E R R E E R R W RECRE ATIONA L ESTABL ISHMEN T R R R R E R R R W AMUSE MENT RIDE E CIVIC COMMU NITY FACILIT Y W W W W W W W/ R* *** * E W R R RECRE ATIONA L FACILIT Y E E E E R R E R R E R R R E W R R RELIGI OUS FACILIT Y E E E E R R E R R E R R W E R R R W REGION AL ACTIVIT Y COMPL EX E E E CIVIC SUPPORT COMMU NITY SUPPO RT W W W W W W W E E R R W City of Miami File ID: 17018 (Revision: ) Printed On: 6/12/2025 T3 T4 T5 T6 C D FACILIT Y INFRAS TRUCT URE AND UTILITIE S W W W W W W W W W W W W W E W W R W MAJOR FACILIT Y E R E E E MARINA E W W E W W E W W R E R R R PUBLIC PARKIN G W W E W W E W W E R R R W RESCU E MISSIO N E R E W W TRANSI T FACILITI ES W W E W W E W W E R R R W EDUCATIONAL CHILDC ARE E W W E W W W* *** * W* *** * W* *** * E E R E COLLE GE / UNIVER SITY W W *** ** W* *** * W* *** * E R E ELEME NTARY SCHOO L E E E E E E E W W E* *** * W* *** * W* *** * E R E LEARNI NG CENTE R E E R R *** ** R* *** * R* *** * E E R E MIDDLE / HIGH SCHOO E E E E E E E W W E* *** * W* *** * W* *** * E R E City of Miami File ID: 17018 (Revision: ) Printed On: 6/12/2025 T3 T4 T5 T6 C D L PRE- SCHOO L E E E E E E E R R E* *** * R* *** * R* *** * E R E RESEA RCH FACILIT Y R R R R *** ** R* *** * R* *** * E R R R W SPECIA L TRAININ G / VOCATI ONAL E W W *** ** W* *** * W* *** * E R R R W INDUSTRIAL AUTO- RELATE D INDUST RIAL ESTBL. R R W MANUF ACTURI NG AND PROCE SSING R R W MARINE RELATE D INDUST RIAL ESTBL. R R R PRODU CTS AND SERVIC ES R R W STORA GE/ DISTRIB UTION FACILIT Y R R W City of Miami File ID: 17018 (Revision: ) Printed On: 6/12/2025 R Allowed By Right W Allowed By Warrant: Administrative Process - CRC (Coordinated Review Committee) E Allowed By Exception: Public Hearing - granted by PZAB (Planning, Zoning & Appeals Board) Boxes with no designation signify Use prohibited. Uses may be further modified by Supplemental Regulations, State Regulations, or other provisions of this Code. See City Code Chapter 4 for regulations related to Alcohol Service Establishment and Food Service Establishments. * Additional densities in some T6 zones are illustrated in Diagram 9 and densities in T3-O zones may be modified by specific regulations in Article 5. ** AZ: Density of lowest Abutting Zone *** By Right only in the UCBD, Civic Health District, NRD-1 and NRD-2. ***Hotel Uses only allowed by Warrant in D1 for properties identified in Appendix PA-1 of the Miami Comprehensive Neighborhood Plan and located on the north side of the Lower River. See Article 6, Table 13 for supplemental regulations. ****AZ: Density of lowest Abutting Zone nearest to the subject property not to exceed 65 du/acre. ***** Educational Uses may be allowed By-Right if the requirements are met in Article 6, titled Supplemental Regulations ******Cultural Facilities such as Museums and Libraries shall be processed by Warrant; all other Community Facility uses shall be processed By Right. ******* An ADU is only permitted on Lots with Single-Family Residence pursuant to

18 Ancillary Dwelling Unit (ADU).” * * * “ARTICLE 4, TABLE 4 DENSITY, INTENSITY, AND PARKING (T3) RESTRICTED LIMITED OPEN DENSITY (UPA) 9 UNITS PER ACRE 9 UNITS PER ACRE 18 UNITS PER ACRE* RESIDENTIAL Residential Uses are permissible as listed in Table 3, limited by compliance with: • Minimum of 2 parking spaces per principal Dwelling Unit. • Ancillary Dwelling Unit – Minimum of 1 parking space per Ancillary Dwelling Unit. Within a TOD or Transit Residential Uses are permissible as listed in Table 3, limited by compliance with: • All Dwelling Units shall be under single ownership • Minimum of 2 parking spaces per principal Dwelling Unit. Residential Uses are permissible as listed in Table 3, limited by compliance with: • Minimum of 2 parking spaces per principal Dwelling Unit. • Ancillary Dwelling Unit – Minimum of 1 parking space per Ancillary Dwelling Unit. Within a City of Miami File ID: 17018 (Revision: ) Printed On: 6/12/2025 Corridor no parking is required. • Adult Family-Care Homes – Minimum of 1 parking space per staff member and 1 space per 4 residents. • Community Residence – Minimum of 1 parking space per staff member in addition to the parking required for the principal Dwelling Unit. • Ancillary Dwelling Unit – Minimum of 1 parking space per Ancillary Dwelling Unit. Within a TOD or Transit Corridor no parking is required. • Adult Family-Care Homes – Minimum of 1 parking space per staff member and 1 space per 4 residents. • Community Residence – Minimum of 1 parking space per staff member in addition to the parking required for the Dwelling Units. TOD or Transit Corridor no parking is required. • Adult Family-Care Homes – Minimum of 1 parking space per staff member and 1 space per 4 residents. • Community Residence – Minimum of 1 parking space per staff member in addition to the parking required for the Dwelling Units. * * * TABLE 4 DENSITY, INTENSITY AND PARKING (T4) RESTRICTED LIMITED OPEN DENSITY (UPA) 36 UNITS PER ACRE 36 UNITS PER ACRE 36 UNITS PER ACRE RESIDENTIAL Residential Uses are permissible as listed in Table 3, limited by compliance with: • Minimum of 1.5 parking spaces per principal Dwelling Unit. • Ancillary Dwelling Unit – Minimum of 1 parking space per Ancillary Dwelling Unit. Within a TOD or Transit Corridor no parking is required. • Adult Family-Care Homes – Minimum of 1 parking space per staff member and 1 space per 4 residents. • Community Residence – Residential Uses are permissible as listed in Table 3, limited by compliance with: • Minimum of 1.5 parking spaces per principal Dwelling Unit. • Ancillary Dwelling Unit – Minimum of 1 parking space per Ancillary Dwelling Unit. Within a TOD or Transit Corridor no parking is required. • Live-work – Work component shall provide parking as required by non-residential use in addition to parking required for the Dwelling Residential Uses are permissible as listed in Table 3, limited by compliance with: • Minimum of 1.5 parking spaces per principal Dwelling Unit. • Ancillary Dwelling Unit – Minimum of 1 parking space per Ancillary Dwelling Unit. Within a TOD or Transit Corridor no parking is required. • Live-work – Work component shall provide parking as required by non-residential use in addition to parking required for the Dwelling City of Miami File ID: 17018 (Revision: ) Printed On: 6/12/2025 Minimum of 1 parking space per staff member in addition to the parking required for the Dwelling Units. • Except for sites within 500 feet of an ungated T3 Transect Zone, the parking ratio may be reduced within a TOD area or within a Transit Corridor area by up to thirty percent (30%) by process of Exception with City Commission approval;** by up to fifty percent (50%) by process of Exception with City Commission approval and payment into a transit enhancement Trust Fund, as established by Chapter 35 of the City Code;** or by one hundred percent (100%) for any Structure with a Floor Area of ten thousand (10,000) square feet or less by process of Exception with City Commission approval.*** Units. • Adult Family-Care Homes – Minimum of 1 parking space per staff member and 1 space per 4 residents. • Community Residence- Minimum of 1 parking space per staff member in addition to the parking required for the Dwelling Units. • Parking requirement may be reduced according to the Shared parking standard, Article 4, Table 5. • Minimum of 1 Bicycle Rack Space for every 20 vehicular spaces required. • Except for sites within 500 feet of an ungated T3 Transect Zone, the parking ratio may be reduced within a TOD area or within a Transit Corridor area by up to thirty percent (30%) by process of Exception with City Commission approval;** by up to fifty percent (50%) by process of Exception with City Commission approval and payment into a transit enhancement Trust Fund, as established by Chapter 35 of the City Code;** or by one hundred percent (100%) for any Structure with a Floor Area of ten thousand (10,000) square feet or less by process of Exception with City Commission approval.*** Unit. • Adult Family-Care Homes – Minimum of 1 parking space per staff member and 1 space per 4 residents. • Community Residence- Minimum of 1 parking space per staff member in addition to the parking required for the Dwelling Units. • Parking requirement may be reduced according to the Shared parking standard, Article 4, Table 5. • Minimum of 1 Bicycle Rack Space for every 20 vehicular spaces required. • Except for sites within 500 feet of an ungated T3 Transect Zone, the parking ratio may be reduced within a TOD area or within a Transit Corridor area by up to thirty percent (30%) by process of Exception with City Commission approval;** by up to fifty percent (50%) by process of Exception with City Commission approval and payment into a transit enhancement Trust Fund, as established by Chapter 35 of the City Code;** or by one hundred percent (100%) for any Structure with a Floor Area of ten thousand (10,000) square feet or less by process of Exception with City Commission approval.*** City of Miami File ID: 17018 (Revision: ) Printed On: 6/12/2025 * * * TABLE 8 DEFINITIONS ILLUSTRATED * * * C. BUILDING DISPOSITION * * *” Section 5.  Article 5 of the Miami 21 Code is amended in the following particulars:1 City of Miami File ID: 17018 (Revision: ) Printed On: 6/12/2025 “ARTICLE 5 * * * 5.3 SUB-URBAN TRANSECT ZONES (T3) * * * 5.3.1 Building Disposition (T3) * * * d. In Zones T3-R and T3-L, one Principal Building consisting of one Dwelling Unit at the Frontage and one Ancillary Building may be built on each Lot as shown in Article 4, Table 8. In Zone T3-L one Principal Building consisting of one Dwelling Unit at the Frontage and one Outbuilding may be built on each Lot. The Outbuilding Building shall be separated from the Principal Building by a minimum of ten (10) feet. A Backbuilding Connecting Structure may connect the Principal Building and the Outbuilding Ancillary Building. In Zone T3-O, one Principal Building consisting of two Dwelling Units at the Frontage may be built on each Lot as shown in Illustration 5.3. In Zone T3-O, each Lot containing a Single-Family Residence may have one Ancillary Building. * * * g. Setbacks for Outbuildings, pools, tennis courts or other similar recreational facilities shall be as shown for Outbuildings in Illustration 5.3. Outbuildings Ancillary Buildings shall conform to the following standards: 1. Ancillary Buildings shall be limited to two (2) Stories, with the exception of those located within T3-R which shall be limited to one (1) Story. Ancillary Buildings shall be no taller than the Principal Building. See Article 5, Illustrations. 2. A one-Story Ancillary Building: may be attached or detached from the Principal Building and shall follow the Setbacks for Ancillary Buildings. 3. A two-Story Ancillary Building: i. Detached from the Principal Building shall be separated by a minimum of ten (10) feet and shall follow the Setbacks for Ancillary Buildings. ii. Attached to the Principal Building shall follow the Setbacks for the Principal Building. h. Accessory Structures and Accessory Buildings shall follow the setbacks for Principal Buildings as shown in Illustration 5.3.One (1) Story, non-habitable Accessory Structures and Accessory Buildings, of a maximum of two hundred (200) square feet or ten percent (10%) of the Floor Area of the Principal Building, whichever is greater, shall be located in the Second or Third layer of the property and follow the Setbacks for the Outbuilding as shown in Illustration 5.3. shall conform to the following standards: 1. Located in the second or third Layers and follow the setbacks for Ancillary Buildings as shown in Illustration 5.3. 2. Separated five (5) feet from the Principal Building, Ancillary Building and other Accessory Structures, except uncovered Accessory Structures which may be attached to the Principal Building or Ancillary Building. City of Miami File ID: 17018 (Revision: ) Printed On: 6/12/2025 3. Maximum of one (1) Story. 4. Contain only non-habitable accessory uses. 5. Be of a maximum of two hundred (200) square feet or ten percent (10%) of the Floor Area of the Principal Building, whichever is greater. i. Setbacks for pools and Game Courts shall be as shown for Ancillary Buildings in Illustration 5.3. * * * ILLUSTRATION 5.3 SUB-URBAN TRANSECT ZONES (T3) BUILDING DISPOSITION BUILDING PLACEMENT LOT OCCUPATION a. Lot Area 5,000 s.f.min. b. Lot Width 50 ft min. c. Lot Coverage 50% max. first floor 30% max. second floor (T3-R & T3-L only) d. Floor Lot Ratio (FLR) N/A e. Frontage at front Setback N/A f. Green Space 25% Lot Area min. g. Density T3-R = 9 du/ac max. T3-L = 9 du/ac max. T3-O = 18 du/ac max.* BUILDING SETBACK OUTBUILDING ANCILLARY BUILDING PLACEMENT City of Miami File ID: 17018 (Revision: ) Printed On: 6/12/2025 a. Principal Front 20 ft. min. b. Second ary Front 10 ft. min. c. Side 5 ft. min. 20% Lot Width total min. d. Rear 20 ft. min. OUTBUILDING ANCILLARY BUILDING SETBACK (T3-L ONLY) a. Principal Front 20 ft. min. b. Second ary Front 10 ft. min. c. Side 5 ft. min. d. Rear 5 ft. min. BUILDING CONFIGURATION PARKING PLACEMENT FRONTAGE a. Comm on Lawn permitted b. Porch & Fence permitted c. Terrace or L.C permitted d. Forecourt permitted e. Stoop prohibited City of Miami File ID: 17018 (Revision: ) Printed On: 6/12/2025 f. Shopfront prohibited g. Gallery prohibited h. Arcade prohibited BUILDING HEIGHT BUILDING HEIGHT a. Princi pal Buildi ng 2 Stories and 25 ft. max. to top of slab or eave max. b. Outbuilding Ancillary Building 2 Stories and 25 ft. max. to top of roof slab or eave max., but no taller than the Principal Building 1 Story max. in T3-R (as shown in illustration) PARKING Facade Width T3-R & T3-L 30% max. T3-O 60% max. *Two (2) units may be built on a single lot, or up to eighteen (18) dwelling units per acre not to exceed two (2) units, whichever is greater. * * * 5.4 GENERAL URBAN TRANSECT ZONES (T4) 5.4.1 Building Disposition (T4) * * * g. The Setbacks for Outbuildings, pools, tennis courts or other similar recreational facilities shall be as shown for Outbuildings in Illustration 5.4. Ancillary Buildings shall conform to the following standards: 1. Ancillary Buildings shall be limited to two (2) Stories. Ancillary Buildings shall be no taller than the Principal Building. See Article 5, Illustrations. 2. A one-Story Ancillary Building may be attached or detached from the Principal Building and shall follow the Setbacks for Ancillary Buildings. 3. A two-Story Ancillary Building: City of Miami File ID: 17018 (Revision: ) Printed On: 6/12/2025 i. Detached from the Principal Building shall be separated by a minimum of ten (10) feet and shall follow the Setbacks for Ancillary Buildings. ii. Attached to the Principal Building shall follow the Setbacks for the Principal Building. h. Accessory Structures shall follow the setbacks for Principal Buildings as shown in Illustration 5.4. One (1) Story, non-habitable Accessory Structures, of a maximum of two hundred (200) square feet or ten (10%) of the Floor Area of the Principal Building, whichever is greater, shall be located in the Second or Third layer of the property and shall be setback a minimum of five (5) feet from any side Property Line and ten (10) feet from any rear Property Line. shall conform to the following standards: a. Located in the second or third Layer of the Lot and follow the setbacks for Ancillary Buildings as shown in Illustration 5.4. b. Separated five (5) feet from the Principal Building, Ancillary Building and other Accessory Structures, except uncovered Accessory Structures which may be attached to the Principal Building or Ancillary Building. c. Maximum of one (1) Story. d. Contain only non-habitable Accessory uses. e. Be a maximum of two hundred (200) square feet or ten percent (10%) of the Floor Area of the Principal Building, whichever is greater. * * * 5.4.2 Building Configuration (T4) * * * j. Setbacks for pools and Game Courts shall be as shown for Ancillary Building in Illustration 5.4. * * * ILLUSTRATION 5.4 GENERAL URBAN TRANSECT ZONES (T4) BUILDING DISPOSITION BUILDING PLACEMENT LOT OCCUPATION a. Lot Area -With rear vehicular access 5,000 s.f. min.; 20,000 s.f. max. 1,400 s.f. min.; 20,000 s.f. max. b. Lot Width -With rear vehicular access 50 ft min. 16 ft min. c. Lot Coverage 60% max. City of Miami File ID: 17018 (Revision: ) Printed On: 6/12/2025 d. Floor Lot Ratio (FLR) N/A e. Frontage at front Setback 50% min. f. Open Space 15% Lot Area min. g. Density 36 du/ac max. BUILDING SETBACK OUTBUILDING ANCILLARY BUILDING PLACEMENT a. Principal Front 10 ft. min. b. Secondary Front 10 ft. min. c. Side 0 ft. or 5 ft. min. Abutting a Setback d. Rear 20 ft. min. OUTBUILDING ANCILLARY BUILDING SETBACK a. Principal Front 30 ft. min. b. Secondary Front 10 ft. min. c. Side 0 ft. or 5 ft. min. Abutti ng a Setback d. Rear 5 ft. min. BUILDING CONFIGURATION PARKING PLACEMENT FRONTAGE a. Common Lawn permitted b. Porch & Fence permitted City of Miami File ID: 17018 (Revision: ) Printed On: 6/12/2025 c. Terrace or L.C permitted d. Forecourt permitted e. Stoop prohibited f. Shopfront permitted (T4-L and T4-O only) g. Gallery prohibited BUILDING HEIGHT h. Arcade prohibited BUILDING HEIGHT a. Principal Building 3 Stories and 40 ft. max. b. Outbuilding Ancillary Building 2 Stories max. but no taller than the Principal Building 5.5 URBAN CENTER TRANSECT ZONES (T5) 5.5.1 Building Disposition (T5) * * * j. Additions or alterations on Lots containing a Single-Family Residence shall follow the requirements of the T3-L Transect Zone. * * * 5.6 URBAN CORE TRANSECT ZONES (T6) 5.6.1 Building Disposition (T6) * * * k. Additions or alterations on Lots containing a Single-Family Residence shall follow the requirements of the T3-L Transect Zone. City of Miami File ID: 17018 (Revision: ) Printed On: 6/12/2025 * * * 5.8 CIVIC INSTITUTION ZONES – HEALTH DISTRICT (CI-HD) 5.8.1 Building Disposition (CI-HD) * * * j. Additions or alterations on Lots containing a Single-Family Residence shall follow the requirements of the T3-L Transect Zone. * * * 5.9 DISTRICT ZONES (D1 and D2) 5.9.1 Building Disposition (D) * * * f. Additions or alterations on Lots containing a Single-Family Residence shall follow the requirements of the T3-L Transect Zone. * * *” Section 6. It is further recommended that Article 6 of the Miami 21 Code is amended in the following particulars: 2 “ARTICLE 6. SUPPLEMENTAL REGULATIONS 6.1 INTENT AND EXCLUSIONS * * * Table 13: T3 - SUB-URBAN ZONE T3 RESTRICTED LIMITED OPEN DENSITY (UPA) 9 UNITS PER ACRE 9 UNITS PER ACRE 18 UNITS PER ACRE DWELLING UNIT Efficiency Dwelling Unit: 400 square feet min. One bedroom Dwelling Unit: 550 square feet min. Two bedroom Dwelling Unit: 650 square feet Efficiency Dwelling Unit: 400 square feet min. One bedroom Dwelling Unit: 550 square feet min. Two bedroom Dwelling Unit: 650 square feet Efficiency Dwelling Unit: 400 square feet min. One bedroom Dwelling Unit: 550 square feet min. Two bedroom Dwelling Unit: 650 square feet 2 Words and/or figures stricken through shall be deleted. Underscored words and/or figures shall be added. The remaining provisions are now in effect and remain unchanged. Asterisks indicate omitted and unchanged material. City of Miami File ID: 17018 (Revision: ) Printed On: 6/12/2025 min. min. min. ANCILLARY DWELLING UNIT (ADU) Minimum Size: • Efficiency Unit: 275 square feet min. • One bedroom Unit: 450 square feet min. • Two bedroom Unit: 550 square feet min. Maximum Size: • Ten percent of the Lot Area, up to 800 square feet max. No Waivers shall be applied to maximum unit size. Maximum size of unit 450 square feet excluding garage. Minimum Size: • Efficiency Unit: 275 square feet min. • One bedroom Unit: 450 square feet min. • Two bedroom Unit: 550 square feet min. Maximum Size: • Ten percent of the Lot Area, up to 800 square feet max. No Waivers shall be applied to maximum unit size. Shall only be used as Single-Family Residence dwelling. May only be rented if the principal dwelling owner is in residence on site. Unit Structure shall be architecturally harmonious with the Principal Building. Any Facade abutting another property shall provide only clerestory windows along that corresponding Facade. Minimum Size: • Efficiency Unit: 275 square feet min. • One bedroom Unit: 450 square feet min. • Two bedroom Unit: 550 square feet min. Maximum Size: • Ten percent of the Lot Area, up to 800 square feet max. No Waivers shall be applied to maximum unit size. Prohibited as a third unit. * * * Table 13: T4 - GENERAL URBAN ZONE T4 RESTRICTED LIMITED OPEN City of Miami File ID: 17018 (Revision: ) Printed On: 6/12/2025 DENSITY (UPA) 36 UNITS PER ACRE 36 UNITS PER ACRE 36 UNITS PER ACRE DWELLING UNIT Efficiency Dwelling Unit: 400 square feet min. One bedroom Dwelling Unit: 550 square feet min. Two bedroom Dwelling Unit: 650 square feet min. Efficiency Dwelling Unit: 400 square feet min. One bedroom Dwelling Unit: 550 square feet min. Two bedroom Dwelling Unit: 650 square feet min. Efficiency Dwelling Unit: 400 square feet min. One bedroom Dwelling Unit: 550 square feet min. Two bedroom Dwelling Unit: 650 square feet min. ANCILLARY DWELLING UNIT (ADU) Minimum Size: • Efficiency Unit: 275 square feet min. • One bedroom Unit: 450 square feet min. • Two bedroom Unit: 550 square feet min. Maximum Size: • Ten percent of the Lot Area, up to 800 square feet max. No Waivers shall be applied to maximum unit size. Minimum Size: • Efficiency Unit: 275 square feet min. • One bedroom Unit: 450 square feet min. • Two bedroom Unit: 550 square feet min. Maximum Size: • Ten percent of the Lot Area, up to 800 square feet max. No Waivers shall be applied to maximum unit size. Minimum Size: • Efficiency Unit: 275 square feet min. • One bedroom Unit: 450 square feet min. • Two bedroom Unit: 550 square feet min. Maximum Size: • Ten percent of the Lot Area, up to 800 square feet max. No Waivers shall be applied to maximum unit size.” Section 6.  Appendix A of the Miami 21 Code is amended in the following particulars:1   “Appendix A - Neighborhood Conservation District * * * A.2. VILLAGE WEST ISLAND DISTRICT AND CHARLES AVENUE (NCD-2) * * * 2.4.2 Single Family Residential District * * * f. Permitted Accessory Uses and Structures and Outbuildings Ancillary Buildings Accessory uses and Sstructures are as permitted in the underlying transect zone,. Ancillary Buildings shall be permitted pursuant in the underlying transect zone, except for setbacks. that detached garages or car shelters An Ancillary Building on a lots ten thousand (10,000) square feet or larger may include a second sStory as long as the allowable floor lot ratio and building footprint are not exceeded. Said second story may City of Miami File ID: 17018 (Revision: ) Printed On: 6/12/2025 only be used as an owner occupied accessory structure. A Two-story accessory structures Ancillary Building shall have the same setback requirements as specified for two-story Pprincipal Bbuildings. g. Additional Limitations and requirements 1. Lots and building sites: Wherever an existing single-family residence or lawful accessory Ancillary Bbuilding(s) or Accessory sStructure(s) is located on one or more platted lots or portions thereof, such lots shall thereafter constitute only one building site and no permit shall be issued for the construction of more than one single-family residence except by Warrant. Such structures shall include but not be limited to swimming pools, tennis courts, walls, and fences or other at grade or above ground improvements. No building sites in existence prior to September 24, 2005 shall be diminished in size except by Warrant, subject to the criteria specified in Article 4, Table 12 Design Review Criteria. 2. Garages and Driveways: a. On new construction or garage additions, no garage shall be located along the same front setback line as the front wall of a residential structure unless the garage door(s) does not face the street. Garage structures with access openings that face the street shall be set back a minimum of twenty (20) feet from the front wall of the principal residential structure. b. Garage structures with access openings that face the street on corner lots which have a maximum depth of less than sixty (60) feet, may be set back a minimum of fifteen (15) feet from the front wall of the principal residential structure. c. Notwithstanding the requirements of the Public Works Department, driveways shall have a maximum width of ten (10) feet within the first five (5) feet of all street-front required setbacks. d. Driveways within a single building site shall not be located closer than twenty-five (25) feet to each other. e. Except as required for the driveway approach, no portion of any driveway in a required yard adjacent to a street shall be within five (5) feet of any property line other than as may be required to allow for turnaround maneuver, in which case said driveway shall be constructed of permeable material in its entirety f. Tandem parking shall be allowed. g. Garage doors which are more than nine (9) feet wide shall not be allowed. 3. Fences: All fences located within any street-front setback area shall be covered from the public right-of-way view by plant material except when said fence is faced or constructed with oolitic limestone. 4. Landscaping: All landscape shall comply with the City’s landscape and tree protection ordinances. h. Setbacks 1. Principal Building: Setbacks are variable to allow for a variety in architecture and placement of the building footprint. Projections of buildings into required setbacks shall be permitted subject to the criteria and requirements specified herein. City of Miami File ID: 17018 (Revision: ) Printed On: 6/12/2025 a. Minimum Front Setbacks: The minimum front setback shall be thirty (30) feet. The structure may project a maximum of ten (10) feet into the minimum required setback of thirty (30) feet provided said projection does not exceed thirty (30) feet in width along the front of the building. Unenclosed porches, entries, or loggias may project a maximum of fifteen (15) feet into the minimum required setback of thirty (30) feet. On corner lots the structure may project a maximum of fifteen (15) feet into the minimum required setback of thirty (30) feet. b. Minimum Side Setbacks: The minimum side setback shall be five (5) feet, except for corner lots where the minimum side setback adjacent to the street shall be ten (10) feet. The minimum total side setbacks to be distributed shall be as established in the following table: TABLE INSET: Building Site Size in Square Feet Interior Lots First Story of Structure Interior Lots Second Story of Structure Corner Lots First Story of Structure Corner Lots Second Story of Structure Less than 7,500 10 feet 15 feet 15 feet 20 feet 7,500 -- 10,000 15 feet 25 feet 15 feet 25 feet More than 10,000 25 feet 35 feet 25 feet 35 feet c. Minimum Rear Setbacks: The minimum rear setback shall be twenty (20) feet. d. Accessory Outbuildings Ancillary Buildings: The minimum side setbacks shall be ten (10) feet. The minimum rear setback shall be ten (10) feet. The maximum width of said connection Connecting Structure shall be ten (10) feet. * * * A.3. COCONUT GROVE NEIGHBORHOOD CONSERVATION DISTRICT NCD-3 * * * 3.6 Single-Family Residential District * * * f. Permitted Accessory Uses and Structures and Outbuildings Ancillary Buildings Accessory uses and Sstructures are as permitted in the underlying transect zone,. Ancillary Buildings shall be permitted pursuant in the underlying transect zone, except for setbacks. that detached garages or car shelters An Ancillary Building on a lots ten thousand (10,000) square feet or larger may include a second sStory as long as the allowable floor lot ratio and building footprint are not exceeded. Said second story may only be used as an owner occupied accessory structure. A Two-story City of Miami File ID: 17018 (Revision: ) Printed On: 6/12/2025 accessory structures Ancillary Building shall have the same setback requirements as specified for two-story Pprincipal Bbuildings. g. Additional Limitations and requirements. 1. Lots and building sites: Wherever an existing single-family residence or lawful accessory Ancillary Bbuilding(s) or Accessory sStructure(s) is located on one or more platted lots or portions thereof, such lots shall thereafter constitute only one building site and no permit shall be issued for the construction of more than one single-family residence except by Warrant. Such structures shall include but not be limited to swimming pools, tennis courts, walls, and fences or other at grade or above ground improvements. No building sites in existence prior to September 24, 2005 shall be diminished in size except by Warrant, subject to the criteria specified in Article 4, Table 12 Design Review Criteria. 2. Garages and Driveways: (a) On new construction or garage additions, no garage shall be located along the same front setback line as the front wall of a residential structure unless the garage door(s) does not face the street. Garage structures with access openings that face the street shall be set back a minimum of twenty (20) feet from the front wall of the principal residential structure. (b) Garage structures with access openings that face the street on corner lots which have a maximum depth of less than sixty (60) feet, may be set back a minimum of fifteen (15) feet from the front wall of the principal residential structure. (c) Notwithstanding the requirements of the Public Works Department, driveways shall have a maximum width of ten (10) feet within the first five (5) feet of all street-front required setbacks (d) Driveways within a single building site shall not be located closer than twenty- five (25) feet to each other. (e) Except as required for the driveway approach, no portion of any driveway in a required yard adjacent to a street shall be within five (5) feet of any property line other than as may be required to allow for turnaround maneuver, in which case said driveway shall be constructed of permeable material in its entirety. (f) Tandem parking shall be allowed. (g) Garage doors which are more than nine (9) feet wide shall not be allowed. 3. Fences: All fences located within any street-front setback area shall be covered from the public right-of-way view by plant material except when said fence is faced or constructed with oolitic limestone. 4. Landscaping: All landscape shall comply with the City’s landscape and tree protection ordinances. h. Single Family lots 1. Setbacks: a. Principal Building: Setbacks are variable to allow for a variety in architecture and placement of the building footprint. Projections of buildings into required setbacks shall be permitted subject to the criteria and requirements specified herein. 1) Minimum Front Setbacks: City of Miami File ID: 17018 (Revision: ) Printed On: 6/12/2025 The minimum front setback shall be thirty (30) feet. The structure may project a maximum of ten (10) feet into the minimum required setback of thirty (30) feet provided said projection does not exceed thirty (30) feet in width along the front of the building. Unenclosed porches, entries, or loggias may project a maximum of fifteen (15) feet into the minimum required setback of thirty (30) feet. On corner lots the structure may project a maximum of fifteen (15) feet into the minimum required setback of thirty (30) feet. 2) Minimum Side Setbacks: The minimum side setback shall be five (5) feet, except for corner lots where the minimum side setback adjacent to the street shall be ten (10) feet. The minimum total side setbacks to be distributed shall be as established in the following table. TABLE INSET: Building Site Size in Square Feet Interior Lots First Story of Structure Interior Lots Second Story of Structure Corner Lots First Story of Structure Corner Lots Second Story of Structure Less than 7,500 10 feet 15 feet 15 feet 20 feet 7,500 -- 10,000 15 feet 25 feet 15 feet 25 feet More than 10,000 25 feet 35 feet 25 feet 35 feet 3) Minimum Rear Setbacks: The minimum rear setback shall be twenty (20) feet. 4) Accessory Ancillary Buildings: The minimum side setbacks shall be ten (10) feet. The minimum rear setback shall be ten (10) feet. The maximum width of said connection Connecting Structure shall be ten (10) feet i. Single Family Large Lot Residential designation. 1. Lot Size Minimum lot size is limited to ten thousand (10,000) square feet and the minimum lot width is limited to one hundred (100) feet in order to preserve the large lot suburban character of certain neighborhoods within Coconut Grove. 2. Limitations on yards All yards adjacent to South Bayshore Drive shall be a minimum of seventy (70) feet. j. Single Family Oversized Lot Residential designation. 1. Lot Size Minimum lot size shall be twenty thousand (20,000) square feet and minimum lot width shall be one hundred (100) feet. 2. Limitations on yards All yards adjacent to South Bayshore Drive shall be a minimum of seventy (70) feet. City of Miami File ID: 17018 (Revision: ) Printed On: 6/12/2025 k. Single Family Estate Lot Residential designation. The intent of these regulations is to allow existing Estate Lots to be developed as single-family estates of a spacious character together with Botanical Gardens, private non-commercial recreational facilities and accompanying structures compatible with residential surroundings. This district is designed to protect and preserve the existing character of estates and allow the building of vacant land considered appropriate for such development in the future. 1. Lot Size Minimum lot size shall be one (1) acre (43,560 square feet) and a minimum lot width of one hundred (100) feet. 2. Limitations on yards All yards adjacent to South Bayshore Drive shall be a minimum of seventy (70) feet. Bay windows and balconies may project a maximum of three (3) feet into a yard setback. 3. Accessory Uses and Structures (a) Open awnings or trellises must meet the setback requirements and applicable open space and lot coverage requirements. These structures may not be converted to permanent additions if such conversion would increase the lot coverage of the principal structure above the allowed percentage. (b) Attached or unattached accessory structures Ancillary Buildings include: private garages, indoor swimming pools, cabanas, bedrooms, household staff cottage. Nothing contained in this section shall prohibit the construction of an enclosed accessory Ancillary Bbuilding containing bedrooms with bath facilities to be used in connection with and as a part of the primary residence within the building lines as provided in this section. (c) Accessory structures Ancillary Buildings shall comply in all other aspects of the underlying single family residential (T3) district unless stated otherwise. Enclosed accessory Ancillary Bbuildings shall be used only for occupancy of nonpaying guests of the owners of the primary residence or bonafide members of the family or household staff, and no kitchen or cooking facilities shall be constructed or used therein except by approval by the Planning Director of a written agreement with the City stating that such accessory structure Ancillary Buildings will be used only by family members or household staff. The property owner must execute and record in the public records a Declaration of Restriction stating that the use of the site will be reserved for a single family residence. No accessory structure Ancillary Buildings shall be used as or converted to an Ancillary Ddwelling Uunit without the recorded Declaration of Restriction. Further, if any accessory structure Ancillary Building and use is subdivided from the principal structure and use to which it is accessory or, alternately, if the principal structure is demolished or removed, the use of such accessory structure Ancillary Building shall be terminated until a new principal structure and use is established on the lot on which the accessory structure Ancillary Building and use is located. City of Miami File ID: 17018 (Revision: ) Printed On: 6/12/2025 4. Height Height is limited to two full stories from grade or minimum FEMA elevation as defined within this code. Height is measured to the bottom of the eave. Variations to the Height requirement may be allowed for skylights or solar panels not exceeding three (3) feet above the roof. Such structures shall not cover more than ten (10) percent of the roof structure. 5. Botanical Gardens A Botanical Garden is allowed by Exception. A Botanical Garden shall require a minimum of 5 acres and may also include the following: (a) Gift shop or bookstore area. Outdoor display of merchandise shall be limited to areas not visible from public streets (b) Garden maintenance area (c) Residential living units for visiting scholars (d) Offices to serve the Botanical Garden (e) Scientific research laboratory (f) Educational facilities including building for meeting and classrooms” * * *” Section 8. It is the intention that the provisions of this Ordinance shall become and be made a part of the Zoning Ordinance of the City of Miami, Florida, which provisions may be renumbered or relettered and that the word "ordinance" may be changed to "section," "article," or other appropriate word to accomplish such intention. Section 9. If any section, part of a section, paragraph, clause, phrase, or word of this Ordinance is declared invalid, the remaining provisions of this Ordinance shall not be affected. Section 10. This Ordinance shall become effective ten (10) days after adoption.3 APPROVED AS TO FORM AND CORRECTNESS: 3 This Ordinance shall become effective as specified herein unless vetoed by the Mayor within ten (10) days from the date it was passed and adopted. If the Mayor vetoes this Ordinance, it shall become effective immediately upon override of the veto by the City Commission or upon the effective date stated herein, whichever is later.