Buildoly
Boston, MA
4.84.8(26 reviews)
ADU ConstructionArchitecture & DesignCustom Home Building
Buildoly. Home builder. Open 24 hours
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ADU Design-BuildBoston, MA
Best ADU design-build firms in Boston, Massachusetts
Looking for the best ADU design-build firms in Boston, Massachusetts? Our directory features 4 vetted adu design-build firms serving the Boston area. Whether you're planning a new ADU construction, garage conversion, or backyard cottage, find the right builder for your project.
4 adu design-build firms found
Average rating: 4.6
Top ADU design-build firms in Boston
Verified
Honorato Company
Boston, MA
4.64.6(3 reviews)
ADU ConstructionDesign-Build ADURemodeling
Honorato Company offers design-build luxury Accessory Dwelling Units in and around Boston.
International Builders Inc
Boston, MA
4.34.3(0 reviews)
ADU ConstructionArchitecture & DesignCustom Home Building
International Builders Inc. Custom home builder. 561 Boylston St, Boston, MA 02116
Massachusetts Adu Plans
Boston, MA
No reviews yet
ADU ConstructionArchitecture & Design
Massachusetts Adu Plans. Architectural designer. 68 Harrison Ave, Boston, MA 02111, United States
Why Choose ADU Design-Build in Boston?
Boston is one of the top markets for accessory dwelling units in Massachusetts. With growing demand for affordable housing, ADU construction in Boston offers homeowners an excellent opportunity to add living space, generate rental income, or house family members. Our curated list of adu design-build firms in Boston helps you find experienced professionals who understand local building codes, zoning regulations, and permit requirements.
What to Look for in ADU design-build firms
- 1Licensed and insured adu design-build firms with experience in Boston
- 2Knowledge of Boston zoning laws and ADU permit requirements
- 3Portfolio of completed ADU projects in the Boston area
- 4Transparent pricing and detailed project timelines
- 5Strong reviews and ratings from local homeowners
- 6Warranty coverage on construction and materials
Frequently Asked Questions
How much does it cost to build an ADU in Boston?
ADU construction costs in Boston typically range from $150,000 to $350,000 depending on size, design, and finishes. Garage conversions are generally less expensive ($80,000–$150,000), while custom-built detached ADUs can cost more. Get free quotes from our listed adu design-build firms to compare prices.
Do I need a permit to build an ADU in Boston, Massachusetts?
Yes, ADU construction in Boston requires building permits. Massachusetts has specific ADU regulations, and local zoning laws may have additional requirements. Our listed builders can help you navigate the permitting process.
How long does it take to build an ADU in Boston?
ADU construction timelines in Boston typically range from 4–12 months, depending on the project type. Prefab ADUs can be installed in 2–4 months, while custom builds may take 8–12 months including design and permitting.