ADU Builders in Orange County, Florida

ADU builders in Orange County, Florida — 7 verified contractors in our directory. They build detached adu, addition and more. Browse profiles below or visit their websites for details.

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

ADU Builders in Orange County, Florida

ADU Builders by City in Orange County

2 Orange County cities with dedicated ADU-builder guides. Pick your city for local zoning summary, lot qualifier, and the nearest licensed contractors.

ADU Builders in Orlando →ADU Builders in Winter Park →
ADU builders in Orlando →Winter Park ADU contractors →How much an ADU costs in Orange →