ADU Builders in Orange County, FL
We've found 7 ADU builders serving Orange County, Florida. They cover detached adu, addition and more. Browse builders below or visit their websites for details.
ADU Rules
Building an ADU in Orange County
Detached ADU✓ Allowed
Garage Conversion✓ Allowed
Min lot size5,500 sq ft
Max ADU size1,000 sq ft
Owner occupancyNot required
Short-term rental⚠ Restricted
Permit timeline: typically 1–2 weeks
ADU max size 500 sq ft standard, 1,000 sq ft if lot meets higher threshold and FAR allows Combined square footage of primary home + ADU cannot exceed 50% of lot area (0.50 FAR)
Source: adufloridainfo.com · Last updated Mar 2026
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