ADU Contractors near Worcester, MA
Stella Home Services
25 Everett Street, Woburn, MA 01801
36.6 miles
Stella 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.
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River City Boston
9 Illinois Avenue, Somerville, MA 02145
37.9 miles
River 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.
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Home & Hearth Remodeling and Restoration
203 Circuit Avenue, West Springfield, MA 01089
42.7 miles
Home & Hearth Remodeling offers ADU construction in Massachusetts. Since the 2024 Affordable Homes Act, homeowners can add one ADU by right in single-family zones. Services include detached ADUs, in-law suites, and garage conversions.
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Mass Tiny Homes
800 Lexington Waltham Plaza #1012, Waltham, MA 02451
30.2 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.
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Yeoman Design Build
123 Sandgully Road North, Shelburne Falls, MA 01373
49.7 miles
Yeoman Design Build specializes in sustainable Accessory Dwelling Units (ADUs) in Massachusetts. From detached ADUs to granny flats and in-law suites, they offer holistic design, careful materials selection, and full project management for property owners.
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Boston Construct
1660 Soldiers Field Road, Boston, MA 02135
34 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
8.1 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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BlackDog Builders
7 Red Roof Lane, Salem, NH 03079
48.5 miles
BlackDog Builders offers full-service ADU design/build solutions, handling design, permitting, and construction under one roof. Specializing in detached ADUs, backyard cottages, in-law suites, and granny flats, they back projects with a 3-year warranty.
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Salas Construction
60 Wheaton Avenue, Warwick, RI 27596
44.3 miles
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.
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ADU Building Systems, LLC
Norwell, MA 02061
40 miles
ADU Building Systems LLC builds factory & site-built ADUs in Massachusetts, including detached, attached & converted units. Offering 10-year structural warranties, cost savings up to 50%, and full-service design to turnkey construction.
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Sordan Construction
809 Turnpike Street, North Andover, MA 01845
44.5 miles
Planning an ADU in Massachusetts? Costs range from $250–$500+ per sq ft. State law now allows ADUs by right on single-family lots. Learn about permits, the Stretch Energy Code, and working with a qualified ADU contractor in Greater Boston.
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Auburndale Builders
151R Adams Street, Newton, MA 02458
31.8 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.
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DiStefano Brothers Construction
433 Main Street, Wakefield, RI 02879
23.1 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.
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MassDwell Solutions
109 Highland Ave, Suite 203, Needham, MA 02494
30.2 miles
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.
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NE Tiny Homes
969 Waterman Avenue, East Providence, RI 02914
39 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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Other cities in Massachusetts
What you need to know
Worcester, Massachusetts: A Growing City Embracing ADU Development
Worcester, the second-largest city in New England, has been experiencing significant urban revitalization in recent years. As housing demand continues to rise in this vibrant college city — home to institutions like Clark University, WPI, and Holy Cross — ADU contractors in Worcester, MA are playing a crucial role in helping homeowners expand their housing options. Accessory Dwelling Units (ADUs) offer an excellent solution to Worcester's ongoing housing challenges, providing affordable rental income opportunities while addressing the city's growing population needs.
Worcester Zoning Regulations and ADU Requirements
Before beginning any ADU project in Worcester, it's essential to understand the local zoning ordinances. Worcester operates under its own Zoning Ordinance, and ADU construction must comply with the city's specific requirements. Key regulations that experienced ADU contractors in Worcester must navigate include:
- ADUs must be located on lots that already contain a single-family or two-family dwelling
- The ADU floor area is typically limited to no more than 900 square feet or 30% of the primary dwelling's floor area
- Owner-occupancy of either the primary unit or the ADU is generally required
- Adequate off-street parking must be maintained on the property
- All ADU projects require building permits from the Worcester Inspectional Services Division
- Compliance with Massachusetts State Building Code (780 CMR) is mandatory
Types of ADUs Built by Worcester Contractors
Skilled ADU builders in Worcester, MA are experienced in constructing various types of accessory dwelling units suited to the city's diverse housing stock, which includes many older Victorian-era and triple-decker style homes. Common ADU types include:
- Basement conversions – transforming existing basement space into a livable unit
- Garage conversions – repurposing detached or attached garages into dwelling units
- Attached additions – building a new unit connected to the existing home
- Detached backyard cottages – constructing a fully separate structure on the property
- Interior conversions – dividing existing living space within the home
Why Hire a Local Worcester ADU Contractor?
Hiring a licensed ADU contractor in Worcester, Massachusetts who understands the local permitting process is critical to a successful project. Local contractors are familiar with the Worcester Inspectional Services Division, the city's specific zoning maps, and the nuances of working with older New England housing stock. They can efficiently handle permit applications, inspections, and ensure compliance with both local and state regulations, saving homeowners significant time and money.
Investing in an ADU in Worcester
With Worcester's strong rental market driven by its large student and young professional population, building an ADU is a smart financial investment. ADU construction costs in Worcester vary depending on the project type, but homeowners can typically expect strong returns through rental income. Connect with a reputable Worcester ADU contractor today to explore how an accessory dwelling unit can maximize your property's value and contribute to the city's housing solutions.