1 Best ADU Builders in Jacksonville, Florida
Verified ADU contractors and builders in Jacksonville, FL
Frequently Asked Questions — ADU Builders in Jacksonville
How much does it cost to hire an ADU builder in Jacksonville?
ADU construction costs in Jacksonville, 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 Jacksonville to get accurate quotes for your specific project.
How long does it take to build an ADU in Jacksonville?
In Jacksonville, 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 Jacksonville?
Yes, a building permit is required for ADU construction in Jacksonville, 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 Jacksonville?
Common ADU types in Jacksonville 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 Jacksonville ADU builder can advise on what's allowed on your specific parcel.