Hillsborough County Zoning
ADU Rules for
Tampa, Florida
Tampa allows ADUs by right in specific overlays like Seminole Heights and East Tampa. New 2026 proposals aim to expand this city-wide.
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Updated for 2026
Zoning Code
Seminole Heights / Overlay
Local ordinance code.
Max Unit Size
1,000 sq ft or 50% of main
Living area allowed.
Setbacks
5ft Rear / 5ft Side
Req. distance from lines.
Important Local Restriction
Tree preservation is strict. You cannot remove Grand Oaks to build an ADU without a massive fine.
Common Questions in Tampa
Answers based on the Seminole Heights / Overlay zoning text and local building department data.
How much does it cost to build an ADU in Tampa?
While costs vary by finish level, the average permitted value for accessory structures in Tampa is currently around $1,450. Prefab modular units may be cheaper, while custom concrete block construction will be higher.
What is the maximum size for a guest house in Tampa?
Under the Seminole Heights / Overlay zoning ordinance, detached units are typically limited to 1,000 sq ft or 50% of main. However, state law SB-48 may allow for larger units if they meet specific setback requirements.
What are the setback rules for Tampa?
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 Tampa?
Yes. Rental demand in Tampa 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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