34 Best ADU Builders in Brooklyn, New York
Verified ADU contractors and builders in Brooklyn, NY
Showing 31–34 of 34 listings — Page 2 of 2
Top Iconic Contractors
Transform your Brooklyn garage into functional living space with expert conversion services tailored to your home's unique layout and needs. Our experienced team specializes in garage-to-living-space conversions, handling everything from structural modifications to finishing touches.
Urban Homecraft
Specializing in accessory dwelling unit construction throughout Brooklyn, we transform underutilized spaces into functional living areas that maximize your property's potential. Our expert team handles every phase of ADU development, from design consultation through final inspection, ensuring seamless integration with your existing home.
White Star General Contractors
Transform your Brooklyn garage into functional living space with expert conversion services tailored to your home's unique needs and local building codes. From design through completion, we specialize in creating beautiful garage-to-living-space conversions that maximize your property's value.
改造家（Nice Maker）
Transform your Brooklyn garage into a functional living space with expert conversion services tailored to your home's unique layout and needs. From design to completion, we specialize in turning underutilized garages into beautiful bedrooms, offices, studios, or recreation areas that add value to your property.
Frequently Asked Questions — ADU Builders in Brooklyn
How much does it cost to hire an ADU builder in Brooklyn?
ADU construction costs in Brooklyn, New York 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 Brooklyn to get accurate quotes for your specific project.
How long does it take to build an ADU in Brooklyn?
In Brooklyn, 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 New York local regulations. Prefab and modular ADUs often have faster timelines than site-built units.
Do I need a permit to build an ADU in Brooklyn?
Yes, a building permit is required for ADU construction in Brooklyn, New York. Your ADU builder will typically handle the permit application as part of their service. New York has adopted streamlined ADU permitting laws in recent years, which may reduce wait times.
What types of ADUs can be built in Brooklyn?
Common ADU types in Brooklyn 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 Brooklyn ADU builder can advise on what's allowed on your specific parcel.