Your Home. Your Future. Your ADU.
Mass ADU is a Massachusetts-based Accessory Dwelling Unit (ADU) construction company focused on helping homeowners build for the future. We provide statewide feasibility, permitting, and ADU construction services, guiding clients through the entire process from a free initial consultation, through feasibility and permitting, all the way to construction. Our goal is to make ADUs approachable and practical, helping homeowners create long-term solutions that support their families, finances, and changing needs.
Our Services
Create a standalone living space on your property for family, guests, rental opportunities, or multigenerational living.
Expand your existing home with a connected living space designed to blend seamlessly with your current structure.
Transform existing spaces such as basements, garages, or underutilized areas into functional living space.
Factory-built accessory dwelling units constructed off-site and placed on your property to create flexible living space for family, guests, or rental opportunities.
“This group is very easy to work with. Leah spent a lot of time with us reviewing the process and moving forward to the permitting. We look forward to the construction phase.”
- Andover Client