ADU Contractors near Worcester, MA
FiveTen Construction & Design
462 Washington Street, Woburn, MA 01801
38.4 miles
FiveTen Construction & Design is a Massachusetts ADU contractor offering design, permitting, and construction services. They build detached, attached, basement, and garage ADUs, ensuring full compliance with MA building codes and zoning regulations.
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Top Pro Inc.
35 Bradshaw Street, Medford, MA 02155
37.7 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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Rockhouse Construction
22 Morgan Mill Road, Johnston, RI 02919
32.8 miles
Rockhouse Construction builds ADUs across Rhode Island, including Providence, Warwick, and Cranston. Options include detached, attached, garage, and basement conversions. Costs range from $60,000 to $480,000+, varying by size and finish level.
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NorthEast Design + Build
2949 Hartford Avenue, Johnston, RI 02919
32.5 miles
NorthEast 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.
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KBR Remodeling & General Contractors
Johnston, RI 02919
33.3 miles
KBR 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.
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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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DCCS Construction
74 Howland Street, Boston, MA 02121
36.9 miles
DCCS 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.
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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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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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Design 1 Kitchen & Bath
363 Great Road, Bedford, MA 01730
31.6 miles
Design 1 Kitchen & Bath designs and builds ADUs in Massachusetts, handling consultation, design, permitting, and construction. ADUs add rental income, multigenerational living space, and property value for Greater Boston homeowners.
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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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JB Cote Construction
25 Grand Avenue, Cumberland, RI 02864
31 miles
J. 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.
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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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Baystate Group Builders Inc
8 Bellingham Road, Blackstone, MA 01504
21.8 miles
Baystate 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.
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Regulus Construction
36 West Street, Milford, MA 01757
16.1 miles
Regulus 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.
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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.