Florida ADU Laws & Rules (2026)

Compare ADU zoning rules across 4 Florida cities. Average ADU score: 5.2/10.

EvolvingLive Local Act

Key Florida ADU Laws

Florida ADU Laws

  • Live Local Act (2023): Statewide protections for ADUs as affordable housing
  • City-level variation — Miami-Dade, Tampa, and Jacksonville leading adoption
  • Short-term rental rules vary significantly by municipality
  • Growing demand due to housing affordability crisis

Florida Cities ADU Comparison

CityMax SizeSetbacksPermit FeesBuild Cost1BR RentScore
Jacksonville 25% of primary residence or 750 sq ft (whichever is smaller) 20 feet $3,200-$5,000 $125,000-$245,000 $1,100-$1,600/mo 5/10
Miami 400-800 sq ft (varies by district) 5 ft (RU-1 district) $5,000-$8,000 $180,000-$350,000 $1,600-$2,200/mo 5/10
Orlando 500-1,000 sq ft (varies by district and sector) 15 feet $2,800-$4,500 $130,000-$260,000 $1,200-$1,750/mo 6/10
Tampa 950 sq ft maximum (750 sq ft threshold affects setback requirements) 3 ft (ADUs ≤750 sq ft); 15-20 ft (ADUs >750 sq ft, varies by district) $3,500-$5,500 $140,000-$280,000 $1,300-$1,850/mo 5/10

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