Design-Build Remodeling in Plainville, MA
Kitchens, bathrooms, basements, additions and ADUs for Plainville homes — designed and built by one accountable team, from our office next door in Foxborough.

Plainville is next door to our office.
Plainville is small and compact, and its permitting reflects that — fewer layers than a larger town, but a strict order of operations you have to respect.
We work from 26 Patriot Place in Foxborough, and Plainville sits southwest of us. Being this close changes how a project actually runs — a site visit is a short drive rather than a scheduling exercise, and we already know how this particular building department works, which is never quite the same as the one in the next town.
ADUs in Plainville: what the bylaw actually says
Plainville adopted its current ADU bylaw on 19 May 2025. One unit is allowed by right; more than one on a single-family house or lot requires a special permit under MGL c.40A §3A, with the Planning Board acting as the special permit granting authority.
Plainville sequences its permitting differently from most of its neighbours, and it catches people out: no building permit is issued until the water, sewer, septic or Title 5 connection permit has been obtained first, from the Department of Public Works or the Board of Health as applicable. In practice that means the wastewater question has to be settled before you can start building, not alongside it — so it belongs at the front of the schedule.
Parking. There is no commuter rail station in town, so the half-mile transit exemption is not available. The one additional off-street space will be required.
Current as of September 2026, from the Plainville ADU Bylaw, adopted 19 May 2025. Bylaws change — confirm the detail with the Plainville building department before you rely on it, or run your lot through our feasibility check and we will confirm it for you.
Sewer, septic, and what it means for your Plainville project
Plainville is mixed, so the first question is always which utilities your street actually has. On a sewered lot, adding bedrooms is largely a zoning and structural question. On an unsewered one it is a Title 5 question first, and that is a harder constraint than most homeowners expect.
Title 5 sizes a septic system at 110 gallons per day per bedroom, and it counts the bedrooms in the house and any new unit together. Adding a bedroom — whether in a finished basement, an addition or an ADU — can push the total past what your system was designed for, and the upgrade has to happen before the permit issues, not after. We check this at feasibility, because finding out late is what turns a budget into a problem.
Remodeling services in Plainville
One team carries the work from first sketch to final walkthrough — kitchen remodeling, bathroom remodeling, basement finishing, home additions, ADU design and construction, garage-to-ADU conversions and whole-home renovations, all under one design-build contract.
- Feasibility and zoning review before design begins
- Design, permitting and construction under one agreement
- Cost tested against the design as it develops, not after
- One point of contact from consultation through final walkthrough
Nearby towns we serve
From Foxborough we work across the towns on this side of Norfolk County, including Foxborough, Walpole, Sharon, Mansfield, Wrentham, and Norfolk. See all towns we serve, or read the Massachusetts ADU guide for how the by-right rules work statewide.
Frequently asked questions
Can I build an ADU in Plainville?
Yes. Plainville adopted its current ADU bylaw on 19 May 2025. The one additional off-street space will be required. We run the feasibility check before design so you know what your lot actually supports.
What is the permitting path in Plainville?
Settle the water, sewer or Title 5 connection permit first — Plainville will not issue the building permit until that is in hand. We handle the filings and the coordination with the town as part of the project rather than leaving them to you.
Is Plainville on sewer or septic?
Plainville is mixed sewer and septic. It matters because Title 5 counts 110 gallons per day per bedroom across the house and any new unit together, so on an unsewered lot your existing system capacity can cap the number of bedrooms before zoning does.
Do you do kitchens and bathrooms in Plainville, or only additions?
All of it. Kitchens, bathrooms, basements, additions, ADUs and whole-home renovations, with design and construction under one contract so there is no gap between the drawings and the build.
How does a project start?
With a design consultation — a conversation about the house, what you want it to do, and what is realistic on your lot. No obligation, and no pressure to commit to a number before you understand the scope.
Planning a Plainville renovation?
Tell us about the house and what you want it to do. We will tell you what is possible on your lot — including when the answer is that it is not.
Schedule a Design Consultation →