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Mass ADU

Massachusetts

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Website

https://www.mass-adu.com/

Mass ADU is a Massachusetts-based ADU builder and full-service accessory dwelling unit contractor specializing in detached ADUs, attached ADUs, garage conversions, and multigenerational housing solutions. Serving homeowners statewide, the company helps clients navigate every stage of the ADU process — from feasibility studies and permitting to architectural planning and full construction.

Focused exclusively on accessory dwelling units, Mass ADU simplifies the often complex process of building an ADU in Massachusetts by combining local zoning expertise, streamlined project management, and professional construction services.

Full-Service ADU Construction in Massachusetts

Mass ADU offers a structured design-build process tailored specifically for Massachusetts homeowners looking to maximize the value and functionality of their property.

ADU services include:

Detached ADU construction
Attached ADUs and in-law suites
Garage conversion ADUs
Site feasibility assessments and zoning reviews
Architectural planning and ADU design
Permit management and town approvals
Full-service ADU construction and project coordination

Their team works closely with homeowners to create code-compliant, functional, and long-term living spaces customized to each property and family need.

A Streamlined 3-Step ADU Process

1. Free ADU Consultation & Property Review

Mass ADU begins with a free on-site consultation and preliminary zoning research to determine what type of ADU can be built on the property.

2. Survey, Architecture & Design

The company coordinates site surveys and architectural planning, creating permit-ready ADU layouts designed around the homeowner’s goals and local regulations.

3. Permits & Construction

Mass ADU manages the permitting process with local municipalities before moving into full construction, providing clear timelines and communication throughout the build.

Why Homeowners Choose Mass ADU

Massachusetts-focused ADU builder and contractor
Expertise in zoning, setbacks, septic, and local permitting
Full-service design-build ADU solutions
Structured and transparent building process
Detached ADU, garage conversion, and in-law suite expertise
Free virtual ADU workshops for homeowners

Helping Massachusetts Homeowners Build for the Future

Based in Woburn MA, Mass ADU is committed to helping homeowners create flexible housing solutions that support rental income, multigenerational living, aging in place, and long-term property value.

Through professional guidance, local expertise, and end-to-end construction services, Mass ADU makes building an accessory dwelling unit more accessible and manageable for homeowners across Massachusetts.

Business Hours

Monday: 9:00 AM – 5:00 PM
Tuesday: 9:00 AM – 5:00 PM
Wednesday: 9:00 AM – 5:00 PM
Thursday: 9:00 AM – 5:00 PM
Friday: 9:00 AM – 5:00 PM
Saturday: Closed
Sunday: Closed

Facebook

https://www.facebook.com/profile.php?id=61573551334158

https://x.com/adu_mass

Instagram

https://www.instagram.com/adu.mass/

7 Winn St, Woburn, MA 01801, United States

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