Why Massachusetts is an ADU market worth owning.
The law, the search demand and the ad costs for Massachusetts, with a source under every number.
Fig. 1 · The law
Massachusetts ADU law in 2026
- By right in single family zones. No special permit needed
- Up to 900 square feet or half the main house, whichever is smaller
- Towns cannot require the owner to live on site
- No more than 1 parking space, and none within half a mile of transit
- Towns can still set setbacks, height and short term rental rules
- Part of the Affordable Homes Act, signed August 6, 2024. State rules took effect January 31, 2025
Every single family zone in the state now has a path to an ADU, and towns can no longer stall it with special permits.
Sources: Mass.gov, Accessory Dwelling Units
Fig. 2 · The proof it's real
2,084
ADUs approved statewide in 2025 and the first half of 2026, out of 2,824 applications.
That is the first 18 months of the new law. Every one of those homeowners needed a builder.
Source: Mass.gov, 2026
Fig. 3 · Google cost per click, Massachusetts
What Massachusetts builders pay Google for one click
$6.29boston adu
$5.33adu boston
$4.72adu builders massachusetts
That's one click. Not a call. We reach Massachusetts homeowners on Facebook and Instagram before they ever search.
Source: SearchAtlas, average cost per click, Oct 2026
Fig. 4 · Monthly Google searches
ADU search demand in Massachusetts
adu builders massachusetts280
massachusetts adu laws170
massachusetts towns that allow adus70
More ADU searches than any state we track outside California. Homeowners are past curious. They are looking up the rules.
Source: SearchAtlas keyword data, US monthly searches, Oct 2026
Fig. 6 · Fit check
Who we work with in Massachusetts
- Custom home builders ready to add ADUs as a service line
- Remodelers who want bigger tickets than kitchen and bath jobs
- GCs with a crew and subs that can handle a 400 to 1,200 square foot build
- ADU builders in Boston, Worcester, Springfield and the Cape who want more volume
Never built one but you've got the license, the crew and the subs? You're who we want to talk to.
Fig. 7 · Questions
Massachusetts ADU marketing FAQ
Are ADUs legal in Massachusetts?
Yes. Since early 2025, Massachusetts lets homeowners build one ADU by right in single family zones, up to 900 square feet or half the size of the main house. Towns cannot require a special permit or that the owner live on site.
How many people search for ADUs in Massachusetts?
About 2,860 searches a month across the ADU keywords we track for Massachusetts, led by "adu massachusetts" at 1,625 a month (SearchAtlas, October 2026). Most of that demand is in Boston, Worcester, Springfield and the Cape.
How does Maverix market ADU builders in Massachusetts?
We run Meta ads to homeowners in your service area, our call rep screens every lead for ownership, budget, financing and timeline, and the ready ones get booked on your calendar. One ADU builder per market. You pay ad spend straight to Meta.
Other markets
ADU marketing in other states
Massachusetts made ADUs by right in every single family zone. The builders who get in front of homeowners now are the ones they call.