Orange County Zoning
ADU Rules for
Orlando, Florida
Orlando encourages "Granny Flats" to solve the housing crisis. Very flexible on design if you match the main house.
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Updated for 2026
Zoning Code
R-1, R-2
Local ordinance code.
Max Unit Size
50% of main living area
Living area allowed.
Setbacks
5ft Rear / 5ft Side
Req. distance from lines.
Important Local Restriction
If your lot is in a Historic District (e.g. Lake Eola), you face a strict design review board.
Common Questions in Orlando
Answers based on the R-1, R-2 zoning text and local building department data.
How much does it cost to build an ADU in Orlando?
While costs vary by finish level, the average permitted value for accessory structures in Orlando is currently around $1,500. Prefab modular units may be cheaper, while custom concrete block construction will be higher.
What is the maximum size for a guest house in Orlando?
Under the R-1, R-2 zoning ordinance, detached units are typically limited to 50% of main living area. However, state law SB-48 may allow for larger units if they meet specific setback requirements.
What are the setback rules for Orlando?
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 Orlando?
Yes. Rental demand in Orlando 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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