Looking for the best backyard cottage builders in Cambridge, Massachusetts? Our directory features 27 vetted backyard cottage builders serving the Cambridge area. Whether you're planning a new ADU construction, garage conversion, or backyard cottage, find the right builder for your project.
MassLandlords, Inc.. Non-profit organization. One Broadway, Broadway floor 14, Cambridge, MA 02142
Top-Pro Construction, Inc.. General contractor. 35 Bradshaw St, Medford, MA 02155
Cupertino Construction. Construction company
Doucette Engineering & Septic Design. Civil engineering company
J D Murphy Construction Co. Remodeler
American Precision Developers (APD). General contractor. 50 Follen St, Cambridge, MA 02138, United States
All States Contractor & Builders. Construction company
United Remodeling Corp.. Construction company
Arthur Construction LLC. Construction company. 5 to 7 Grand St, Reading, MA 01867
Colton Water Removal & Cleanup. Water damage restoration service. 200 Dexter Ave suite 316, Watertown, MA 02472
Up Design and Build, LLC. General contractor
AI Construction Company LLC. Construction company. 37 River St, Newton, MA 02465
Waze Development LLC. General contractor. 245 First St #1800, Cambridge, MA 02142, United States
Walczak Design and Build LLC. Remodeler. 25 S Main St, Ipswich, MA 01938
Specializing in ADU construction and related services in Cambridge, MA.
K.B. ARUDA CONSTRUCTION INC.. Excavating contractor
Specializing in ADU construction and related services in Cambridge, MA.
Specializing in ADU construction and related services in Cambridge, MA.
Specializing in ADU construction and related services in Cambridge, MA.
Cambridge is one of the top markets for accessory dwelling units in Massachusetts. With growing demand for affordable housing, ADU construction in Cambridge offers homeowners an excellent opportunity to add living space, generate rental income, or house family members. Our curated list of backyard cottage builders in Cambridge helps you find experienced professionals who understand local building codes, zoning regulations, and permit requirements.
ADU construction costs in Cambridge 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 backyard cottage builders to compare prices.
Yes, ADU construction in Cambridge 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.
ADU construction timelines in Cambridge 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.