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ADU Contractors near Westborough, MA
Stella Home Services
25 Everett Street, Woburn, MA 01801 27.2 milesStella Home Services is a Greater Boston ADU contractor specializing in basement apartments, garage conversions, in-law suites & home additions. They manage design, permitting & construction for fully functional accessory dwelling units.
read moreKBR Remodeling & General Contractors
Johnston, RI 02919 31.4 milesKBR Remodeling & General Contractors builds ADUs in Rhode Island, including garage conversions, basement ADUs, in-law suites & detached guest houses. Family-owned since 1993, woman & veteran-owned, licensed & insured with 50 years experience.
read moreMass Tiny Homes
800 Lexington Waltham Plaza #1012, Waltham, MA 02451 20.2 milesMass 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.
read moreCZ Construction Management LLC
181 Bowen Street, Boston, MA 28.7 milesMassachusetts' new ADU legislation allows homeowners to build detached or attached accessory dwelling units. CZ Construction Management LLC helps with planning, permits, and construction of ADUs across Massachusetts, including Greater Boston.
read moreAuburndale Builders
151R Adams Street, Newton, MA 02458 21.7 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 moreSpring Home Improvement
16 North Washington Street, Attleboro, MA 02760 25.8 milesSpring 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.
read moreHeritage Modular Homes
16 Harrington Avenue, Shrewsbury, MA 01545 6.9 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 moreJB Cote Construction
25 Grand Avenue, Cumberland, RI 02864 26 milesJ. B. Cote Construction is an ADU contractor in Rhode Island & Massachusetts, specializing in detached ADUs, garage conversions, in-law suites & more. They manage design, permitting, zoning & energy-efficient construction from start to finish.
read moreToensing Construction
Warren, RI 02885 41.7 milesToensing Construction builds ADUs across Rhode Island, including detached units, in-law suites, garage conversions & basement apartments. Licensed & insured, they handle permitting, design & construction for multigenerational & flexible living spaces.
read moreADU 4 You
7 Lincoln St, Suite 207, Wakefield, MA 01880 31.5 milesADU 4 You is a Boston-area ADU contractor offering full-service design, permitting, and construction of accessory dwelling units, including detached ADUs, in-law suites, and garage conversions, with fixed-price quotes and ROI estimates.
read moreBaystate Group Builders Inc
8 Bellingham Road, Blackstone, MA 01504 17.3 milesBaystate Group Builders Inc offers residential remodeling services including basement finishing, bathroom renovations, deck construction, carpentry, and painting. Led by Victor, the team is known for professionalism, clear communication, and quality craftsmanship.
read moreAmex Construction
15 Industrial Way, Hanover, MA 02339 39.5 milesAmex 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.
read moreAcorn Deck House Company
852 Main Street, Acton, MA 01720 19.2 milesAcorn Deck House builds luxury prefab ADUs in MA, featuring exposed beams & large windows. Options include 900 sq ft & 730 sq ft models. ADUs boost property value by 25–34% & generate rental income.
read moreHonorato Company
34 Commerce Way, Woburn, MA 01801 28.9 milesHonorato Company offers a structured construction process in Boston, covering ADUs, garage conversions & renovations. From consultation to final walkthrough, they ensure transparency, permitting, design, and clear communication throughout.
read moreOther cities in Massachusetts
- Acton
- Adams
- Attleboro
- Ayer
- Bedford
- Blackstone
- Boston
- Brockton
- Burlington
- Canton
- Carver
- Concord
- Dartmouth
- Duxbury
- Easthampton
What you need to know
ADU Contractors in Westborough, MA: Building in a Historic and Growing Community
Westborough, Massachusetts is a vibrant town in Worcester County known for its rich history, strong tech industry presence, and well-preserved natural landscapes including the Westborough State Park and Lake Chauncy. As housing demand continues to grow in this desirable MetroWest community, many homeowners are turning to ADU contractors in Westborough, MA to add Accessory Dwelling Units to their properties. Whether you're looking to house aging parents, generate rental income, or add flexible living space, working with experienced local ADU contractors is essential to navigating Westborough's specific zoning and building requirements.
Westborough Zoning Regulations for ADUs
Before breaking ground, homeowners and ADU contractors in Westborough must carefully review the town's zoning bylaws. Westborough falls under Massachusetts General Law Chapter 40A, and the state's 2021 ADU legislation encourages municipalities to allow accessory dwelling units by right in single-family zones. However, local regulations still govern key aspects of ADU construction, including:
- Lot size requirements and minimum square footage thresholds
- Setback rules that determine how close a structure can be to property lines
- Maximum ADU size, typically limited to a percentage of the primary dwelling's square footage
- Owner-occupancy requirements that may apply in certain zoning districts
- Parking space provisions for the new unit
- Utility connection and septic system capacity considerations
Types of ADUs Built by Westborough Contractors
Skilled ADU builders in Westborough, Massachusetts are experienced in constructing several types of accessory dwelling units suited to the town's mix of colonial-style homes, newer subdivisions, and larger residential lots. Common ADU types include:
- Attached ADUs: Added onto the existing home structure, sharing at least one wall
- Detached ADUs: Standalone backyard cottages or carriage houses built separately from the main home
- Garage Conversions: Transforming an existing attached or detached garage into a livable unit
- Basement Conversions: Converting an existing basement into a fully functional apartment
Why Hire a Local ADU Contractor in Westborough?
Hiring a local ADU contractor in Westborough, MA offers significant advantages over working with a general contractor unfamiliar with the area. Local professionals understand the town's permitting process through the Westborough Building Department, have established relationships with local inspectors, and are familiar with the soil conditions, climate considerations, and architectural styles common in the region. This local expertise helps keep your project on schedule and within budget.
When selecting an ADU construction company in Westborough, look for contractors who are fully licensed in Massachusetts, carry proper liability insurance, provide detailed written contracts, and have a proven portfolio of completed ADU projects in the MetroWest area. Investing in the right contractor ensures your ADU is built safely, legally, and to the highest quality standards.