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ADU Contractors near Concord, MA
True Measure Construction
293 Turnpike Road, Westborough, MA 01581 18.1 milesTrue Measure Construction, a Westborough, MA general contractor, specializes in full-service ADU construction—covering permits, site prep, and finishing—plus kitchen and bathroom remodeling for a complete home improvement solution.
read morePriced Early Companies
20 Hampden Drive, South Easton, MA 02375 32.9 milesG.M. Roth Design Remodeling
12 Murphy Drive, Nashua, NH 03062 19.9 milesG.M. Roth Design Remodeling offers full-service ADU construction in southern NH and northeastern MA. With 40+ years of experience, they handle zoning, design, permitting, and build. CAPS-certified, serving Nashua, Manchester, Chelmsford & more.
read moreHeritage Modular Homes
16 Harrington Avenue, Shrewsbury, MA 01545 22.1 milesHeritage Modular Homes builds ADUs across MA, RI, CT & NH. With 40+ years experience, they offer custom ADU design, modular installation & in-law suites, backed by a 10-year warranty & free consultations.
read moreAuburndale Builders
151R Adams Street, Newton, MA 02458 12.3 milesAuburndale 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.
read moreSteveworks LLC
108 Cabot Street, Newton, MA 02458 12.7 milesSteveworks LLC completed a whole house remodel in Newton, redesigning the floor plan, replacing windows, siding, and roofing, and upgrading insulation. They also built an accessible ADU above a garage, featuring a full kitchen, curbless shower, and chair lift for aging-in-place living.
read moreRegulus Construction
36 West Street, Milford, MA 01757 22.7 milesRegulus 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.
read morePro's Edge Small Homes
27 Pillsbury Street, Georgetown, MA 01833 28.1 milesPro's Edge Small Homes is a licensed ADU contractor in MA & NH with 20+ years experience. They offer turnkey design, permitting & modular construction of granny flats, in-law suites & backyard cottages, including a free property evaluation.
read moreTurkel Design
1060 Broadway, Somerville, MA 02144 14.1 milesTurkel Design offers custom-designed accessory dwelling units (ADUs) using a prefab process. Highlights include expert cabinetry, smart storage, and high-quality finishes, ensuring ADUs feel purposeful and cohesive with the main residence.
read moreNorthEast Design + Build
2949 Hartford Avenue, Johnston, RI 02919 44.1 milesNorthEast 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.
read moreDCCS Construction
74 Howland Street, Boston, MA 02121 18.5 milesDCCS 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.
read moreRiver City Boston
9 Illinois Avenue, Somerville, MA 02145 16.4 milesRiver City Construction is a Boston-based ADU contractor specializing in home additions, garage conversions, in-law suites & detached backyard cottages. They manage design, permitting & full construction under one roof.
read moreMBA Builders
500 Edgewater Drive, Wakefield, MA 01880 18 milesMassachusetts ADUs are now legal by right statewide after 2024 legislation. MBA Builders offers full-service ADU construction across Greater Boston, with structured preconstruction planning and builds starting around $450/sq ft.
read moreNorth Shore ADU Home Builders
Essex, MA 01929 33.2 milesNorth Shore ADU Home Builders LLC builds custom ADUs up to 900 sq ft across Massachusetts. Services cover design, permits & construction. Rental income ranges $1,800–$3,500/month. Property values may rise $100K–$250K.
read moreOther cities in Massachusetts
- Acton
- Adams
- Attleboro
- Ayer
- Bedford
- Blackstone
- Boston
- Brockton
- Burlington
- Canton
- Carver
- Dartmouth
- Duxbury
- Easthampton
- Essex
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:
- Size limitations: ADUs are generally limited to no more than 900 square feet or a percentage of the primary dwelling's floor area.
- Owner-occupancy: Concord may require that the property owner occupy either the primary residence or the ADU.
- Setback requirements: Detached ADUs must comply with Concord's existing setback rules for accessory structures.
- Historic District compliance: Properties within Concord's Historic Districts require approval from the Concord Historic Districts Commission before construction begins.
- Design standards: Exterior materials, rooflines, and architectural details must be compatible with the existing structure and neighborhood character.
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:
- Attached ADUs – additions connected to the main home, ideal for expanding living space
- Detached ADUs – standalone backyard cottages or carriage house conversions
- Basement ADUs – conversions of existing basement space into a fully functional unit
- Garage conversions – transforming an existing detached garage into a livable space
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.