What is an ADU?

An Accessory Dwelling Unit (ADU) is a smaller, independent living space located on the same property as a primary residence. ADUs are an increasingly important solution to today’s housing shortage, offering flexible and efficient living options. An ADU can take several forms:

• A converted space within an existing home, such as a basement or attic apartment
• An addition attached to the main house
• A detached structure, such as a backyard cottage or converted garage

While many homeowners build ADUs to accommodate family members, they can also be used as rental units where local regulations allow. In Massachusetts and throughout New England, recent legislation has made it easier to build ADUs, often allowing them by-right. However, specific zoning rules—such as size, placement, and use—are determined at the municipal level. Abrams-Builders, Inc. can guide you through the entire process, from understanding local zoning requirements to designing and building an ADU that fits your property and goals.