Attached ADU near Ellington, CT

ADU Builders CT LLC, based in Westport, CT, specializes in custom ADU design and construction, tiny homes, and home remodeling. Licensed in Connecticut (#NHC.0018259) with 35+ years of experience, they offer detached, attached, basement, attic, garage, and pool house ADUs statewide.

Core Remodeling Services has built ADUs and in-law suites across Central Massachusetts since 2012. They handle zoning, permits, design, and construction. Projects range from $150K–$400K+, take 6–8 months, and are backed by a 5-year warranty.

DiStefano Brothers Construction builds ADUs in Rhode Island, including internal, attached, and detached units. They navigate RI regulations: by-right approval, size limits, occupancy rules, and long-term rental requirements for compliant accessory dwelling units.

New London’s unique blend of historic charm and modern living makes it an ideal location for thoughtfully designed ADUs. The city’s zoning regulations have adapted to accommodate these versatile structures, making now the perfect time to consider adding one to your property.

With years of experience in ADU design and construction, we deliver high-quality results tailored to Connecticut homeowners. We understand Hartford and Connecticut’s ADU regulations, making your project smooth and hassle-free from permits to completion.

Salisbury Construction Worcester builds ADUs across Worcester County, Central Mass & MetroWest. Services include detached units, garage conversions, basement conversions & home additions using a streamlined design-build process.

Peragallo Construction builds custom ADUs in Central & Southern Connecticut, including detached cottages, in-law suites, garage conversions & basement apartments. Serving Cheshire, Wallingford & Guilford. ADU costs range $150K–$350K.

Kling Brothers Builders specializes in home additions, from extra bedrooms to master retreats. They handle planning, site evaluation, exterior matching, and construction, ensuring seamless integration and strong ROI. Free consultations available.

BIOS Homes is a Connecticut ADU contractor specializing in detached, attached, basement, and garage conversion ADUs. Using modular construction, they handle design, permits, and builds under CT Public Act 21-29.

Think ADU is a California ADU contractor specializing in design, permitting, and construction of accessory dwelling units. Services include detached ADUs, garage conversions, JADUs, granny flats, and in-law suites for rental, family, or property value goals.

NorthEast Design + Build offers ADU and in-law apartment construction across Massachusetts & Rhode Island. Services include detached backyard cottages, in-law suites, and attached additions. Serving Milford, Providence, Warwick & more.