Custom ADU Builders in Massachusetts

Beautiful Accessory Dwelling Units for Extra Space, In-Law Suites, Apartment additions, & More

Adding space to your home is easier than ever with ADUs. Whether you need a practical in-law suite with full residential functionality or a luxury office space and conference room, Dave Potter ADU can create a custom solution for you.

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Our Homes

Custom ADUs

These are built to your exact specifications with luxury finishes.

Tiny homes

Get a stand-alone accessory home in your yard with everything you need for a residence in one space-saving package.

ADUs for in-laws

Ideal for aging parents, adult children, and multigenerational families.

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Why Choose
Dave Potter ADU?

Trusted local ADU
builders with 45
years of experience

Luxury
architecture and
craftsmanship

Fully licensed
and insured
in Massachusetts

White-glove
installation

Custom ADU
designs

Complete turn-
key solution

Premium fixtures
and finishes

Dedicated project
management

Frequently Asked Questions

01.
How much does an ADU cost in Massachusetts?

How much it costs to build an ADU in Massachusetts depends on several factors, including the total size of the building, the complexity of the design, and which finishes you choose. Typically, you can expect to pay around $200 to $350 per square foot. At Dave Potter ADU, we provide transparent pricing from start to finish.

02.
How long does it take to build a custom ADU?

How long it takes to build a custom ADU fluctuates depending on variables like the complexity of your design and site conditions. Dave Potter ADU can build an ADU in 3-11 months, depending on size, complexity, and finishes of the custom ADU.

03.
Will I need a building permit to put an ADU on my property?

A permit must be taken out for any work done in Massachusetts. However, an ADU can be built
as of right, with some regulations. We’ll check your town’s zoning laws and get a building permit at the start of your project.

Watch Dave Potter explain the ADU By-Right Law in Massachusetts

Ready to Build Your Space?

Dave Potter ADU Is Here for You

Your investment matters. We’re here to help you choose the right layout and finishes to match the needs of your space and the aesthetics of your property.