Updated with 2026 Florida SB-48 Codes
What ADU can you build in your Martin County backyard?
Instant zoning report — see exactly what your zoning allows: permitted ADU types, size limits, setbacks, and lot requirements for your specific property.
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Unincorporated Martin County Rules
Max Size1000 sq ft
Setbacks7.5ft Side / 10ft Rear
Rental Rules
Varies by district
*These rules apply if your address is NOT inside a specific city limit.
Find out what ADU you can build in your backyard
— and get a free Martin County ADU guide for your area.
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No specific city data loaded yet for Martin County.
Check the unincorporated rules above.
Find out what ADU you can build in your backyard
— and get a free Martin County ADU guide for your area.
Free report · No commitment · 60 seconds