Broward County Zoning
ADU Rules for
Fort Lauderdale, Florida
Fort Lauderdale allows ADUs but enforces strict "compatibility" rules. It must look exactly like the main house.
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Updated for 2026
Zoning Code
RS-4.4
Local ordinance code.
Max Unit Size
600 sq ft
Living area allowed.
Setbacks
5ft Rear / 5ft Side
Req. distance from lines.
Important Local Restriction
Flood elevation rules apply. Your ADU might need to be raised 2-3 feet off the ground.
Common Questions in Fort Lauderdale
Answers based on the RS-4.4 zoning text and local building department data.
How much does it cost to build an ADU in Fort Lauderdale?
While costs vary by finish level, the average permitted value for accessory structures in Fort Lauderdale is currently around $2,200. Prefab modular units may be cheaper, while custom concrete block construction will be higher.
What is the maximum size for a guest house in Fort Lauderdale?
Under the RS-4.4 zoning ordinance, detached units are typically limited to 600 sq ft. However, state law SB-48 may allow for larger units if they meet specific setback requirements.
What are the setback rules for Fort Lauderdale?
You generally need to maintain a distance of 5ft Rear / 5ft Side from your property lines. Corner lots and historic districts may have stricter overlays.
Can I rent out my ADU in Fort Lauderdale?
Yes. Rental demand in Fort Lauderdale is rated as 'High'. While long-term rentals are allowed by right, short-term rentals (Airbnb) may require a separate license depending on your specific neighborhood zoning.
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