Detached ADU near Carver, MA

Ruhan General Contracting LLC builds home additions and ADUs in North Attleboro, MA. Services include room additions, in-law suites, second-story additions, and detached ADUs, covering permits, design, and finish carpentry throughout Massachusetts and Rhode Island.

Millbrook Construction Corp. in Boston specializes in ADU construction, handling design, permits, and builds. Services include detached ADUs, garage conversions, and in-law suites for rental income, family housing, or added property value.

Trust Contractors designs and builds ADUs, including detached units, garage conversions, basement ADUs, and in-law suites. Services cover zoning, permits, and construction, helping homeowners add rental income, family housing, or flexible living space.

Regulus Construction is a licensed ADU contractor serving MetroWest Massachusetts. They build detached backyard cottages, garage conversions, and in-law suites, managing design, permitting, and construction across 40+ towns.

MassDwell Solutions builds modular ADUs for homeowners, investors & developers. Models range from 470–892 sqft, starting at $164,500. Factory-built steel frame units include full warranties, energy-efficient features & 8–12 week installation.

Boston Deck Builders offers ADU construction in Greater Boston, including detached, attached, and interior units. Services cover planning, permitting, and build. Costs range from $150K–$400K+. Prefab options available. Compliant with Massachusetts ADU regulations.

Boston Construct is a full-service ADU contractor in Boston, MA, building basement conversions, garage conversions, detached backyard cottages, and in-law suites. They handle design, permitting, and construction for 1-3 family homeowners across Greater Boston.

Bethoney Builders LLC is a South Shore residential contractor specializing in ADU construction, home additions, custom builds, and renovations. Services include in-law suites, garage conversions, finished basements, and structural repairs.

Salas Construction builds custom ADUs in Rhode Island, including attached, detached, and garage conversions. Projects range from $200K–$500K and take 6–12 months. Uses include rentals, guest suites, and multigenerational living.

Amex Construction is a Hanover-based design-build ADU contractor serving Massachusetts' South Shore. They manage detached ADUs, barn conversions, and basement suites, handling design, permitting, septic upgrades, and construction under one contract.

ADUs are self-contained living spaces on existing properties. Legal in Massachusetts, local zoning rules apply. Boston Building Concepts is a Massachusetts ADU contractor offering full-service design, permitting, and construction of garage conversions, in-law suites, and detached ADUs.

Rockhouse Construction builds ADUs across Rhode Island, including Providence, Warwick, and Cranston. Options include detached, attached, garage, and basement conversions. Costs range from $60,000 to $480,000+, varying by size and finish level.

Beantown Builders, Inc. is a Greater Boston ADU contractor offering full-service design, permitting, and construction. Projects include detached ADUs, garage conversions, and in-law suites, with budgets from $15,000 to $1M+.

Auburndale Builders completed an 800 sq ft ADU in Newton, MA—a single-level, universally accessible in-law suite with full kitchen, bathroom, bedroom & living area, built in compliance with local zoning regulations.

South Coast & Associates builds custom ADUs in Southeastern Massachusetts. From detached backyard cottages to garage conversions and in-law suites, they handle design, permitting, and construction for single-family homeowners.