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A custom storm door, a french door trimmed to fit an awkward opening, a bathroom's fixtures swapped and the paint matched back in — Rob Grant's jobs are the ones that need somebody to measure twice. Grant Associates is owner-operated out of Waltham, working Weston, Wellesley, Wayland and nearby MetroWest towns, and its Massachusetts home improvement contractor registration, #200348, is active. Rob says he started the business in 2020, after years of hands-on remodeling and residential construction. Seven Google reviews, all five stars, describe two kinds of work. The first is renovation. A February 2023 customer had him do a small bathroom remodel in a Cambridge condo — shower, lights and overhead fan replaced and adjusted, with the finishing work matched to the existing paint. A March 2026 reviewer, after considerable work on their home including a bathroom, called him thorough and punctual and good at consulting them through each phase of a project. The second is the list of things that pile up on an older house. In February 2023, one homeowner described a closet ceiling damaged by a wasp nest along with damaged vinyl siding, rotted trim and warped porch stairs; another that same month had exterior woodwork, a deck, lighting and windows repaired or replaced, plus some painting. When some of those tasks turned out to need more work than the initial estimates, that customer said Rob took the time to explain the problem. Two things to settle before you call. Thumbtack puts the business at one employee, and BuildZoom shows six permitted projects, in Weston, Waltham, Wellesley and East Taunton — so a whole-house job deserves a frank conversation about timeline, whatever BuildZoom's service list says about custom home building. Thumbtack also lists a Massachusetts construction supervisor licence, #CS-114330, in Robert Grant's name. For a renovation you want one experienced person to own end to end — a bathroom, a door, the backlog of exterior repairs on a MetroWest house — this is a sensible call. Ask up front how the estimate handles a task that opens up bigger than expected; a 2023 customer hit exactly that and got the explanation before the extra work.
Grant Associates installed a custom storm door and the workmanship, communication and overall experiance were great.
Grant has done considerable work on our home, including remodeling a bathroom. We are very happy with everything he has done. He is thorough, punctual, and excellent at consulting us through all phases of each project. I highly recommend Grant!
We were very pleased with the workmanship that was done with each and every project that was completed. All work was excellent and was done on time! Will spread the word to family, friends and neighbors!
Rob Grant completed a small bathroom remodel in my Cambridge condo over a couple of weeks in Dec 2022. The work involved replacement and adjustment of bathroom fixtures (shower, lights, overhead fan). Post-installation finishing work included matching existing paint and replacing portions of drywall. He completed the work very efficiently. Everything works perfectly and looks great. He provided advice on job details that minimized the costs and extent of the renovation, and managed all aspects of materials selection, purchase, pick-up and installation without additional workers. He communicated all aspects of the work clearly and performed all work according to planned schedule and budget, with minimal noise and clean-up (critical for work within a larger condo building). He is easy to work with and took care to understand the details of the fixtures, including use of the color adjustment on the new LED lights to match existing fixtures. Rob has a broad-based background for remodeling projects and I recommend considering him for any scope of work that can be managed and performed solely by him, or with the help of a small crew under his direction.
Hiring Grant Associates was a wonderful experience for us. In 2019 we had a significant issue with a closet ceiling damaged by a wasp nest and multiple exterior issues including damaged vinyl siding pieces, rotted trim, warped porch stairs and landscape issues. We hired Robert@Grant Associates after learning of his skillset and willingness to work multiple diverse issues. Couldn't be happier with his attention to detail and quality of his work. Best of all Robert did everything diagnosis cause, materials, repair/installation, painting, and clean up. As an example diagnosis of our closet ceiling damaged by wasp nest found that porch roof protecting part of the closet had water damaged wood as initial roofing was done w/o barrier material under shingles (a real problem as higher roof valley drained onto that 1/2 of roof. The repair involved sheetrock, carpentry, painting, and roofing skills. Robert even located a unused security cable I hadn't been able to find. From our initial interview Robert knew we wanted minimal maintenance repairs. So trim repairs were made with cedar or manufactured wood. Trim was professionally painted with premium paint. Vinyl siding was repaired with pieces we provided from initial build (worth holding onto these). Other work included, making beds, mulching, paver walkway, rear stair replacement, and painting bulkhead. Being able to address so many issues that accrued over 20 years was very valuable to us. After 3 1/2 the work continues to look great. Particularly impressed with the bulkhead head painting as it only had primer and rust on it before Robert painted it.
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1 change recorded — last scanned Sep 8, 2026.
Typical Greater Boston range for this kind of work, from regional averages — not a quote from Grant Associates. Use it to sanity-check bids, then get the real number in writing.
Estimated range
$4,000 – $11,000
Typical exterior project around $7,500
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Root-cause repairs5.0
Repair specialist5.0
Whole-house jobs of 14 to 30+ windows5.0
Historic restoration expertise5.0
Detailed workmanship4.8