ADU Contractors near Worcester, MA

Priced Early Companies

20 Hampden Drive, South Easton, MA 02375 40.8 miles

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Alcantara Construction

407R Mystic Avenue, Medford, MA 02155 37.3 miles

Alcantara Construction is an experienced ADU contractor specializing in detached ADUs, garage conversions, JADUs, in-law suites, and granny flats. They guide homeowners through planning, permitting, and building accessory dwelling units efficiently.

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G.M. Roth Design Remodeling

12 Murphy Drive, Nashua, NH 03062 36.3 miles

Licensed 39 years in business

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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WR Builders Inc

397 Elliot Street, Newton, MA 02464 29.8 miles

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Hawthorn Builders

97 Chapel Street, Needham, MA 02492 29.2 miles

Luxury Builds

Hawthorn Builders offers end-to-end ADU construction, managing consultation, design, permitting, and building. As a detached ADU and garage conversion contractor, they complete accessory dwelling units in ~90 days with minimal disruption.

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Luxe & Co Accessory Dwellings

60 Thoreau Street, Concord, MA 01742 26.4 miles

25 years in business Luxury Builds

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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New England Additions

809 Turnpike Street, North Andover, MA 01845 44.5 miles

Prefab Specialist Luxury Builds

New England Additions, backed by Sordan Construction, offers pre-designed ADU builds across 25+ Greater Boston communities. Specializing in in-law suites and detached ADUs, they streamline permitting, budgets, and timelines for Massachusetts homeowners.

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NE Tiny Homes

969 Waterman Avenue, East Providence, RI 02914 39 miles

Luxury Builds

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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The Barn Yard

120 West Road, Ellington, CT 06029 43 miles

Licensed Luxury Builds

The Barn Yard designs and builds accessory dwelling units (ADUs) using post and beam construction. They offer full builds across New England and New York, plus nationwide ADU kit shipping for rental units, guest suites, or multigenerational living.

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Salisbury Construction Worcester

453 Chandler Street, Worcester, MA 01602 1.5 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.

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Turnkey ADUs

435 Lancaster ST, Leominster, MA 01453 17.1 miles

Prefab Specialist Eco-Friendly Luxury Builds

Turnkey ADUs is a Leominster, MA ADU contractor offering modular, prefabricated accessory dwelling units across New England. Models range from $119K–$249,900. Massachusetts' 2024 Affordable Homes Act now allows ADUs up to 900 sq. ft. by right.

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Trust Contractors

65 Hancock Street, Bedford, MA 01730 31.3 miles

Trust Contractors designs and builds ADUs, including detached units, garage conversions, basement ADUs, and in-law suites. Services cover zoning, permits, and construction, helping homeowners add rental income, family housing, or flexible living space.

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CZ Construction Management LLC

181 Bowen Street, Boston, MA 38.9 miles

Luxury Builds

Massachusetts' 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.

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Boston Building Concepts

275 Main Street, Watertown, MA 02472 33.2 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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Horizon ADU

77 King Street, Boston, MA 02122 38.4 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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Other cities in Massachusetts

• Acton
• Adams
• Attleboro
• Ayer
• Bedford
• Blackstone
• Boston
• Brockton
• Burlington
• Canton
• Carver
• Concord
• Dartmouth
• Duxbury
• Easthampton

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:

1. Basement conversions – transforming existing basement space into a livable unit
2. Garage conversions – repurposing detached or attached garages into dwelling units
3. Attached additions – building a new unit connected to the existing home
4. Detached backyard cottages – constructing a fully separate structure on the property
5. 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.