5 Best ADU Builders in Orlando, Florida

Verified ADU contractors and builders in Orlando, FL

Frequently Asked Questions — ADU Builders in Orlando

How much does it cost to hire an ADU builder in Orlando?

ADU construction costs in Orlando, Florida vary widely depending on size, type, and site conditions. Detached ADUs typically range from $150,000–$400,000+, while garage conversions and attached ADUs can be more affordable. Contact multiple builders in Orlando to get accurate quotes for your specific project.

How long does it take to build an ADU in Orlando?

In Orlando, the ADU construction timeline typically ranges from 6 to 18 months from permit application to move-in. Permitting alone can take 2–6 months depending on Florida local regulations. Prefab and modular ADUs often have faster timelines than site-built units.

Do I need a permit to build an ADU in Orlando?

Yes, a building permit is required for ADU construction in Orlando, Florida. Your ADU builder will typically handle the permit application as part of their service. Florida has adopted streamlined ADU permitting laws in recent years, which may reduce wait times.

What types of ADUs can be built in Orlando?

Common ADU types in Orlando include detached ADUs (backyard cottages), attached ADUs, garage conversions, basement conversions, and prefab/modular ADUs. The best type for your property depends on lot size, zoning, and budget. A local Orlando ADU builder can advise on what's allowed on your specific parcel.