Compare ADU zoning rules across 4 Florida cities. Average ADU score: 4.8/10.
| City | Max Size | Setbacks | Permit Fees | Build Cost | 1BR Rent | Score |
|---|---|---|---|---|---|---|
| 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 | City of Miami: confirm current cap with City of Miami Planning (proposed ~500 sq ft / 10% of lot, capped at 800 sq ft). Unincorporated Miami-Dade: 400-800 sq ft in RU-1 districts (varies by district) | 5 ft (RU-1 district) | $5,000-$8,000 | $180,000-$350,000 | $1,600-$2,200/mo | 5/10 |
| Orlando | 1,000 sq ft max, 500 sq ft min; must be smaller than the principal structure (varies by sector) | 15 feet | $2,800-$4,500 | $130,000-$260,000 | $1,200-$1,750/mo | 6/10 |
| Tampa | 950 sq ft (larger setbacks apply when the ADU exceeds 15% of lot size) | 3 ft (20 ft when the ADU exceeds 15% of lot size) | Set by City Council resolution and assessed in Accela at application - no published flat figure; secondary estimates run $3,000-$12,000 all-in (S-1 application, building/trade permits, impact fees) - use the city's online fee estimator | $140,000-$280,000 | $1,300-$1,850/mo | 3/10 |
Building on land outside city limits? Unincorporated county areas follow the county's ADU code, not a city's. We cover these Florida counties:
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