Top Pro Inc.

35 Bradshaw Street, Medford, MA 02155 15.3 miles

Licensed 25 years in business Eco-Friendly

Top-Pro Construction, Inc. is Greater Boston's trusted ADU builder with 25 years of experience. Specializing in detached ADUs, attached units, garage conversions & basement ADUs to boost property value and rental income.

Auburndale Builders

151R Adams Street, Newton, MA 02458 12.3 miles

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.

Salisbury Construction Worcester

453 Chandler Street, Worcester, MA 01602 26.5 miles

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.

All City Remodeling

3 Sophie Rd, Peabody, MA 01960 20.4 miles

All City Remodeling Co. offers ADU construction, period molding installation, and beam ceiling paneling in Boston, MA, and North Shore communities including Hamilton, Salem, and Manchester-by-the-Sea.

DiStefano Brothers Construction

433 Main Street, Wakefield, RI 02879 31.6 miles

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.

ADU Builders of MA

807 Massachusetts Avenue, Boston, MA 02118 17.7 miles

Eco-Friendly

Expert ADU builders serving Massachusetts homeowners. Services include detached ADUs, garage conversions, basement units & in-law suites. Fully permitted, code-compliant builds. Costs from $80K. Serving Boston, Cambridge, Worcester & statewide.

WR Builders Inc

397 Elliot Street, Newton, MA 02464 13.2 miles

Think ADU

123 Main Street, Worcester, MA 01608 24.8 miles

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.

Rockhouse Construction

22 Morgan Mill Road, Johnston, RI 02919 41.9 miles

Luxury Builds

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.

Mass Tiny Homes

800 Lexington Waltham Plaza #1012, Waltham, MA 02451 9.6 miles

Mass Tiny Homes helps you build the perfect ADU for your needs, whether it be for aging parents or rental income, with an easy, streamlined process from start to finish.

DCCS Construction

74 Howland Street, Boston, MA 02121 18.5 miles

DCCS Construction helps Boston homeowners navigate the ADU program, converting basements, attics, and existing spaces into independent rental units. Serving 1-3 family homes, they handle both architectural design and construction for full ADU project management.

Boston Construct

1660 Soldiers Field Road, Boston, MA 02135 14 miles

Eco-Friendly Luxury Builds

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.

House Improvement LLC

6 Garfield Avenue, Shrewsbury, MA 01545 19.3 miles

House Improvement LLC builds fully insulated ADUs with electricity and climate control, ideal for home offices or studios. They also construct storage sheds, carports, gazebos, and pergolas for diverse residential outdoor needs.

Spring Home Improvement

16 North Washington Street, Attleboro, MA 02760 34.1 miles

Licensed 13 years in business

Spring Home Improvement offers expert ADU contractor services in Norfolk, MA. Family-owned since 2012, they handle design, permits, and construction with 10+ years of experience, transparent pricing, and a one-year labor warranty.

Platt Builders

109 Central Avenue, Ayer, MA 01432 11.6 miles

In-House Architect Turnkey Solutions

Platt Builders is a home remodeling company offering kitchen, bathroom, and whole-home renovations. They focus on custom design, quality craftsmanship, and clear communication, managing every project from planning to completion.

Other cities in Massachusetts

What you need to know

ADU Contractors in Concord, MA: Building in a Historic New England Town

Concord, Massachusetts is one of the most historically significant towns in the United States, home to the site of the first battle of the American Revolution and the birthplace of the Transcendentalist movement. This rich heritage means that ADU contractors in Concord, MA must navigate a unique set of considerations, including strict historic preservation guidelines and design standards that protect the town's iconic character. Working with an experienced accessory dwelling unit contractor in Concord is essential to ensure your project respects both local aesthetics and regulatory requirements.

Concord Zoning Bylaws and ADU Regulations

Massachusetts passed Chapter 40A Section 3, which requires all municipalities to allow ADUs by right on single-family lots. Concord has aligned its local bylaws accordingly, but homeowners must still comply with specific local requirements. Key regulations that ADU builders in Concord, MA must follow include:

Types of ADUs Built by Concord Contractors

Skilled ADU contractors serving Concord, Massachusetts are experienced in building a variety of accessory dwelling unit types to suit different property layouts and homeowner needs. Common ADU types include:

Why Hire a Local ADU Contractor in Concord, MA?

Hiring a local ADU contractor in Concord offers significant advantages. Local professionals understand the town's permitting process through the Concord Building Department, are familiar with the Historic Districts Commission review process, and have established relationships with local inspectors. This local expertise can save homeowners considerable time and money throughout the project.

Whether you're looking to create rental income, house a family member, or increase your property value, a qualified ADU contractor in Concord, MA can guide you through every step — from initial design and permitting to final construction. Given Concord's unique regulatory landscape, working with an experienced professional is not just helpful — it's essential.

ADU Contractors near Concord, MA