
Peragallo Construction - Home Remodeling, Construction, and Repair. General contractor. 500 S Brooksvale Rd, Cheshire, CT 06410
Looking for the best custom ADU builders in Bristol, Connecticut? Our directory features 5 vetted custom adu builders serving the Bristol area. Whether you're planning a new ADU construction, garage conversion, or backyard cottage, find the right builder for your project.

Peragallo Construction - Home Remodeling, Construction, and Repair. General contractor. 500 S Brooksvale Rd, Cheshire, CT 06410

Nova Construction. Home builder. 20 Central St, Bristol, CT 06010, United States

Byrd's Contracting, LLC. General contractor. 11 Union St, Bristol, CT 06010

Tri Sons Building Contractors. Home builder

Specializing in ADU construction and related services in Bristol, CT.
Bristol is one of the top markets for accessory dwelling units in Connecticut. With growing demand for affordable housing, ADU construction in Bristol offers homeowners an excellent opportunity to add living space, generate rental income, or house family members. Our curated list of custom adu builders in Bristol helps you find experienced professionals who understand local building codes, zoning regulations, and permit requirements.
ADU construction costs in Bristol typically range from $150,000 to $350,000 depending on size, design, and finishes. Garage conversions are generally less expensive ($80,000–$150,000), while custom-built detached ADUs can cost more. Get free quotes from our listed custom adu builders to compare prices.
Yes, ADU construction in Bristol requires building permits. Connecticut has specific ADU regulations, and local zoning laws may have additional requirements. Our listed builders can help you navigate the permitting process.
ADU construction timelines in Bristol typically range from 4–12 months, depending on the project type. Prefab ADUs can be installed in 2–4 months, while custom builds may take 8–12 months including design and permitting.