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.