ADU Contractors near Worcester, MA
Amex Construction
15 Industrial Way, Hanover, MA 02339
49.1 miles
Amex 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.
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ADU Builders of MA
807 Massachusetts Avenue, Boston, MA 02118
38.3 miles
Expert ADU builders serving Massachusetts homeowners. Services include detached ADUs, garage conversions, basement units & in-law suites. Fully permitted, code-compliant builds. Costs from $80K. Serving Boston, Cambridge, Worcester & statewide.
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Massachusetts Adu Plans
68 Harrison Avenue, Boston, MA 02111
38.6 miles
Massachusetts homeowners can get permit-ready ADU plans starting at $800, delivered in days. Three tiers cover plans, cost estimates, and full custom design up to $3,100. Free ADU Starter Guide available.
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Millbrook Construction Corp.
34 Dewey Street, Saugus, MA 01906
43.3 miles
Millbrook Construction Corp. in Boston specializes in ADU construction, handling design, permits, and builds. Services include detached ADUs, garage conversions, and in-law suites for rental income, family housing, or added property value.
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Heritage Modular Homes
16 Harrington Avenue, Shrewsbury, MA 01545
3.3 miles
Heritage 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.
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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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House Improvement LLC
6 Garfield Avenue, Shrewsbury, MA 01545
6.3 miles
House Improvement LLC builds fully insulated ADUs with electricity and climate control, ideal for home offices or studios. They also construct storage sheds, carports, gazebos, and pergolas for diverse residential outdoor needs.
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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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Atlantic Property Development
444 Broadway Unit B #1069, Saugus, MA 01906
42.2 miles
ADUs are now legal statewide in Massachusetts. Atlantic Property Development builds custom Accessory Dwelling Units on the North Shore, offering design, permitting, and construction services for detached, attached, and garage conversion ADUs.
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Provost Companies
20 Maple Street, Stoughton, MA 02072
37.5 miles
Think ADU
123 Main Street, Worcester, MA 01608
0.7 miles
Think ADU is a California ADU contractor specializing in design, permitting, and construction of accessory dwelling units. Services include detached ADUs, garage conversions, JADUs, granny flats, and in-law suites for rental, family, or property value goals.
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ADU 4 You
7 Lincoln St, Suite 207, Wakefield, MA 01880
41 miles
ADU 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.
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Ruhan General Contracting LLC
344 John L Dietsch Boulevard, Attleboro, MA 02763
32.6 miles
Ruhan General Contracting LLC builds home additions and ADUs in North Attleboro, MA. Services include room additions, in-law suites, second-story additions, and detached ADUs, covering permits, design, and finish carpentry throughout Massachusetts and Rhode Island.
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Avalon Building Systems
560 Turnpike Street, Canton, MA 02021
36.5 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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Coastal Modular Homes
271 Post Road, Wakefield, RI 02891
24.5 miles
The Backyard Homes line of ADUs are manufactured in over a dozen production facilities and available in 48 states. After being constructed in one of our modern plants the unit is delivered to the project site for the builder to install.
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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.