ADU Builders in Miami-Dade County, FL
We've found 11 ADU builders serving Miami-Dade County, Florida. They cover garage conversion, interior conversion and more. Browse builders below or visit their websites for details.
ADU Rules
Building an ADU in Miami-Dade County
Detached ADU✓ Allowed
Garage Conversion✓ Allowed
Max ADU size1,000 sq ft
Owner occupancyNot required
Short-term rental✓ Permitted
Permit timeline: typically 4–8 weeks
Miami 21 zoning code governs ADUs — only T3-O, T4, T5, and T6 transect zones permit accessory residential units; T3-R and T3-L (most single-family areas) typically do not STR license required from Cit
Source: adufloridainfo.com · Last updated Mar 2026
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