Local business · Hopkinton, MALocal business · 1 Country Way, Hopkinton, MA 01748, USA
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Typical Greater Boston range for this kind of work, from regional averages — not a quote from JMS Partners, Inc.. Use it to sanity-check bids, then get the real number in writing.
Estimated range
$23,000 – $35,000
Typical remodeling project around $29,000
Five stars on every platform that carries them, and the reviews almost never mention the company without naming John. JMS Partners, Inc. works out of 1 Country Way in Hopkinton. Its Massachusetts home improvement contractor registration is active, the Better Business Bureau grades it A+ and files it under home builders, and Angi and HomeAdvisor both show a 5.0 average across 125 ratings — the same 125, mirrored between the two sites rather than two separate sets. Google adds a 5.0 from nine. What people hire them for is range. A July 2026 customer listed a finished basement, decks redone, part of the house leveled, hardwood flooring installed, siding replaced and the exterior painted — the kind of list you only accumulate by calling somebody back. In May 2026 a client described a living room taken down to the studs, closed-cell insulation installed and the forced hot water baseboards upgraded, finished on time and on budget. In April 2025 a new homeowner with burst pipes found a room had no insulation; the crew opened floor and wall to insulate it properly and closed it back up, and John followed up later to check the repair was holding. The written history runs back to 2015, and most of it is older than five years — which is where the most detailed accounts sit. A September 2015 customer described a six-inch sag in the hardwood floor of a house built in 1794, with twins due in ten weeks and a previous contractor who had stopped answering calls; JMS jacked and bent the structural beam straight over several weeks, nailed LVL boards alongside to hold it, and finished two weeks early and under budget. A July 2016 client described a new garage plus a downstairs remodel with a new kitchen and mud room. A October 2015 reviewer had them fixing another contractor's costly mistakes after a house fire. The thing to sort out before you commit is timing. A 2015 client waited several months to start because the firm was booked solid after a hard winter, and a January 2024 reviewer described the company as busy and in demand even while praising how it worked around its own schedule. This is a small shop, so ask early where your job sits in the queue and get the start date in writing. Right call for a homeowner who wants one person coordinating a multi-trade job — a basement, an addition, a structural fix — and is willing to wait for a slot. Confirm the schedule and the registration, and ask for the most recent job of your type.
“I don't normally do reviews, but in the case of JMS Partners, I feel I have to make an exception. They did three different jobs for me this past summer and all I can say is I am extremely happy with the work. They never left the job site without thoroughly cleaning. John's workers are well qualified, friendly as well as John. He keeps you in the loop through all phases of the job.”
We’ve been using John and JMS partners for a few years. They’ve finished a basement, redone decks, leveled part of our home, put in hardwood flooring, and replaced exterior siding, and painted the outside of our house. As you can guess from the fact that we keep calling them back, we’ve had an exceptional experience. John’s experience, exacting standards, and personal touch combine for an exceptional product - over and over again. I can’t say enough good things about him and his team and we’ll continue to hire them for future work.
"We hired JSM Partners for a total gut renovation of our living room, and we couldn’t be more impressed. The project was completed on time and exactly on budget. They took the room down to the studs, installed closed-cell insulation, and upgraded our forced hot water baseboards. Tom and Steve are incredibly talented; their work on the framing, hardwood floors, and painting was flawless. Kyle, a licensed electrician, handled the electrical upgrades with precision, and the masonry team, Dave and Chris, did a spectacular job transforming our fireplace with a new stone veneer. The coordination was seamless, especially with the installation of larger windows and a new sliding glass door. Between the extra glass, the lighter paint colors, and the stone veneer, these changes have made the room 100% brighter. The finished work feels like a Rolls Royce—the level of luxury and high-end craftsmanship is evident in every single detail. If you want a team that is professional, skilled, and delivers a truly premium result, I highly recommend them!"
I had an outstanding experience working with JMS Partners for a full room renovation. From the very beginning, communication was clear and consistent—John took time to understand my vision and kept me informed at every step. The quality of the work exceeded my expectations; the finished project is not only beautiful but also reflects attention to detail. John worked within my budget, offering creative solutions and adjustments as the project evolved. His reliability and genuine commitment to customer satisfaction made the entire process smooth. I highly recommend this contractor to anyone looking for excellent service and beautiful results.
I don't normally do reviews, but in the case of JMS Partners, I feel I have to make an exception. They did three different jobs for me this past summer and all I can say is I am extremely happy with the work. They never left the job site without thoroughly cleaning. John's workers are well qualified, friendly as well as John. He keeps you in the loop through all phases of the job. I can't say enough about JMS Partners and will definitely call on John again if the need arises.
I can't say enough about JMS Partners. They're the best of the best in every way! Their customer service is exceptional, their work is meticulous and highly skilled and they're dedicated to 100% customer satisfaction. John and his team have done several projects for me over the last 10 years - my recent kitchen renovation is the most amazing - and I would never trust anyone else. They're the absolute best.
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Certified attributes are verified against the public registry. Others are the business's own statement.
Added 49 new comments, added 8 new photos, verified active license, established rating 4.2
Roof deck builds4.4
Porch and deck rebuilds4.4
49 years in business4.4
Low-disruption projects4.4