Updated with 2026 Florida SB-48 Codes
What ADU can you build in your Miami-Dade County backyard?
Instantly check eligibility for Accessory Dwelling Units (ADUs), like Guest Houses, Garage Conversions, and In-Law Suites.
100% Private Feasibility Check • Official County Zoning Data
Unincorporated Miami-Dade County Rules
Max Size800 sq ft
Setbacks5ft Side / 5ft Rear
Rental Rules
Varies by district
*These rules apply if your address is NOT inside a specific city limit.
Cities in Miami-Dade County
Aventura
Max Size:See Rules
Setbacks:15ft Rear / 10ft Side
View City Rules
Coral Gables
Max Size:800 sq ft
Setbacks:15ft Rear / 10ft Side
View City Rules
Cutler Bay
Max Size:800 sq ft
Setbacks:5ft Rear / 7.5ft Side
View City Rules
Doral
Max Size:See Rules
Setbacks:HOA Restricted
View City Rules
Hialeah
Max Size:See Rules
Setbacks:Standard
View City Rules
Homestead
Max Size:900 sq ft
Setbacks:10ft Rear / 10ft Side
View City Rules
Miami
Max Size:See Rules
Setbacks:Standard
View City Rules
Miami Beach
Max Size:750 sq ft
Setbacks:10ft Rear / 7.5ft Side
View City Rules
Miami Gardens
Max Size:600 sq ft
Setbacks:5ft Rear / 5ft Side
View City Rules
Miami-Dade (Unincorporated)
Max Size:800 sq ft
Setbacks:5ft Rear / 7.5ft Side
View City Rules
North Miami
Max Size:750 sq ft
Setbacks:10ft Rear / 10ft Side
View City Rules
Pinecrest
Max Size:900 sq ft
Setbacks:15ft Rear / 15ft Side
View City Rules