An accessory dwelling unit (ADU) is a small living space located on the same lot as an existing home. Massachusetts' new policy allows property owners to build an ADU without needing special approval from the zoning board.

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ADUs can take various forms: they may be internal spaces within an existing home, such as converting a basement into an apartment; they may be attached as an addition to the primary residence; or they may be completely detached, like a cottage or a converted garage.

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We specialize in designing all types of ADUs, and we help you to turn your needs into reality!