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Colburn & Grove Custom Construction is the general-contracting partnership of Robert Colburn and Robert Grove, working out of Dunstable, Massachusetts on additions, kitchens, bathrooms and custom fine finish carpentry. The two say they met working on custom, high-end homes around Boston and Concord and bring more than 35 years of combined building experience to the company, which also serves Groton. Its 11 Google reviews, from 2024 through 2026, are all five stars, and clients repeatedly name the crew directly — Rob, Rob, and a third team member, Randy. A 2024 review described them renovating a 30-year-old kitchen in three weeks and keeping to what the client called a well-conceived schedule; another 2024 review said the crew showed up every day until a home renovation was finished on time and within budget, and a third described them rebuilding a deck at what the reviewer called a fair price. Reviewers also point to steady communication: a November 2025 review said the team was responsive and did not consider the job done until the customer was satisfied, and a July 2026 review described a project that grew from converting a deck into a four-season room into something bigger. An August 2026 review, about a 1,500-square-foot first-floor kitchen and gut renovation, called the crew fast, efficient and kind. Houzz lists a license number, 065-650, for the company, and its Houzz services list adds home additions, custom and new-home construction, deck building, garage building and trim work to the kitchen, bath and addition work its own site highlights. Colburn & Grove looks like a strong call for a kitchen renovation, addition or whole-home remodel; confirm the license number and get the scope, price and schedule in writing before signing.
Rob and Rob (and Randy!) were wonderful for our 1,500 sq ft first floor gut renovation including kitchen remodeling. The team was fast, efficient, kind, provided high quality workmanship, and fun to talk to generally. Two stand outs: reused beams to plane 1” liner for custom firebox next to fireplace - worked with me to go with a design they hadn’t seen but executed flawlessly, second was extra effort Rob put in to get the right stone slab for our backsplash - he followed up a bunch of times with stone place to get it right going above and beyond. We are certainly having them back for next round of projects - great guys all around and recommend them!
Rob, Rob, and Randy are truly exceptional! They take immense pride in their craftsmanship, and their communication throughout every stage of the project was outstanding. What started as transforming our deck into a beautiful four-season room quickly became so much more. As someone who can be a bit indecisive, I asked if they could also build a three-season porch beneath the deck. They were incredibly accommodating and went above and beyond to bring my vision to life. Their level of skill is nothing short of remarkable. One of the biggest challenges was building the four-season room around our kitchen vent. Another contractor had previously told us it couldn't be done and that the room couldn't extend beyond the vent. Colburn & Grove never hesitated—they simply found a solution. Their creativity, expertise, and confidence in their craft were truly impressive. Beyond their incredible workmanship, Rob, Rob, and Randy were an absolute pleasure to have around. They were professional, hardworking, kind, and genuinely great people. By the end of the project, we had not only a stunning new living space but also friendships we truly value. We couldn't be more grateful for the outstanding work they did. We'll miss seeing their smiling faces first thing in the morning, but we'll enjoy the beautiful spaces they created for many years to come. Thank you, Rob, Rob, Randy for making our dream a reality! 🤗💗🤗 Laura & Michael Ps. Photos coming soon!!
As an interior design professional, we work with a lot of contractors and I cannot say enough great things about the Colburn & Grove team. Their craftsmanship, attention to detail, and timeliness were 2nd to none, and I am so proud of how our collaborative project turned out. They do beautiful work, and I can't wait for The Freshmaker and C&G teams to work together again!
Top notch service and quality. Very responsive and willing to spend the time to answer questions. Always on-time! They did exactly what they promised and weren’t satisfied until we were satisfied. We love the finished product and would highly recommend Colburn and Grove!
These guys are great to work with. Their combination of creativity, skill, and dedication were key to the success of our recent projects.
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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 Colburn & Grove Custom Construction. 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
Detailed craftsmanship5.0
Complete bathroom rebuild3.9
