ADU Contractors near Westborough, MA
NE Tiny Homes
969 Waterman Avenue, East Providence, RI 02914
34.7 miles
NE Tiny Homes is a full-service ADU builder across the US, offering custom tiny homes, garage conversions, and ADUs from 352 sq ft. Transparent pricing, permit handling, and move-in-ready builds for rental income or in-law suites.
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New England Outdoor
37 Oakland Avenue, Methuen, MA 01844
36.8 miles
New England Outdoor, a family-owned business in Methuen, MA, builds custom sheds, garages, pavilions, and ADUs across New England. Specializing in ADU construction, garage conversions, and in-law suites, they handle design, permits, and zoning guidance.
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Aureli Construction
Eugene Road, Medford, MA 02155
26.5 miles
An Accessory Dwelling Unit (ADU) is a self-contained living space on a residential property. Massachusetts law now makes ADU construction easier. Aureli Construction offers full-service ADU building, from zoning research to completed construction.
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Luxe & Co Accessory Dwellings
60 Thoreau Street, Concord, MA 01742
17.6 miles
Luxe & Co. Accessory Dwellings is a Massachusetts ADU builder offering full-service design, construction, and permitting. Founded by Hope Beckman and Sage Conti, they specialize in high-end ADUs including in-law suites, carriage houses, and home offices.
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Avalon Building Systems
560 Turnpike Street, Canton, MA 02021
26.9 miles
Avalon Building Systems builds custom modular homes and ADUs across the northeastern US. A VA Certified Builder, they offer turnkey services, Energy Star-compliant construction, and compact floor plans like in-law suites and backyard cottages.
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Boston Building Concepts
275 Main Street, Watertown, MA 02472
23.1 miles
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.
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Walczak Design and Build LLC
25 South Main Street, Ipswich, MA 01938
48.1 miles
Walczak Design and Build LLC is a trusted ADU contractor on Massachusetts' North Shore, serving Ipswich, Newburyport, Beverly & more. They offer full-service ADU design, permitting, and construction with transparent planning and expert project management.
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G.M. Roth Design Remodeling
12 Murphy Drive, Nashua, NH 03062
32.2 miles
G.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.
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BuildX - Your Building & ADU Experts
24 Rockland Street, Hanover, MA 02339
41.6 miles
BuildX is a premier ADU builder in Southeastern Massachusetts with 40+ years of experience and $450M+ in projects. Offering custom stick-built ADUs, a 100-day build guarantee, and transparent pricing starting from $254,540.
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Top Pro Inc.
35 Bradshaw Street, Medford, MA 02155
27.8 miles
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.
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Mass ADU
144 Arlington Road, Woburn, MA 01801
27.7 miles
Mass ADU is a Massachusetts-based ADU contractor offering full-service accessory dwelling unit construction. Services include free consultations, permitting, design, and build. They serve homeowners statewide with a clear 3-step process.
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Horizon ADU
77 King Street, Boston, MA 02122
28.3 miles
Trusted Boston ADU builders specializing in attached, detached, and two-story accessory dwelling units. Stick-built construction ensures code compliance and lasting value. Services include design, permitting, and full project management for multigenerational living or rental income.
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Boston ADU Builder
807 Massachusetts Avenue, Boston, MA 02118
28.2 miles
Boston ADUs add rental income ($1,500–$3,000/month), boost property value, and support multi-generational living. Boston ADU Builder offers detached, attached, garage, and basement conversions, handling design, permits, and construction in 8–12 months.
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Boston Construct
1660 Soldiers Field Road, Boston, MA 02135
23.9 miles
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.
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True Measure Construction
293 Turnpike Road, Westborough, MA 01581
2.1 miles
True 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.
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Other cities in Massachusetts
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.