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Gauthier Construction Services takes on room-scale projects, and it holds a 5-star Google rating across 12 ratings. The company says it has been in business for 10 years. Its Connecticut home improvement contractor registration, number HIC.0650605, is active on the state registry, with Gauthier Construction Services LLC as the holder. A 2026 customer said Shaun and his crew did their backyard patio and front step set up, and called the work very reasonable. A 2025 customer said Shaun worked with them to turn a small attic space into their girls' bathroom, and wrote that the men who came to work on the project were patient with the children during the 3 weeks they were there. A 2024 customer said the company did a new roof and siding for them in 2018 and was later hired to add a master bath, taking space from two closets to build a full master bath and a walk-in closet. A 2024 customer said the company built a soundproof, acoustically designed custom studio to their specifications and offered guidance along the way on doing it the most cost-effective way. A 2025 customer who had used Shaun many times for various projects said he was timely with his projects and a good communicator. A 2024 customer said their project was done on time and on budget.
Great experience working with Shaun. Hire this guy!
Shaun and his crew did such a beautiful job of our backyard patio and front step set up. Their work is outstanding and Shaun along with his crew are all so friendly and willing to do everything they can to make you satisfied. Professional, highly skilled, very reasonable and friendly. We will definitely be calling on Shaun and Gauthier construction for any of our homes needs. Thank you for giving our home a great face lift.
Gauthier Construction is simply the best. Integrity, quality and trust. I've done several projects with this company and rely on Gauthier to get the job done right.
From start to finish these guys were amazing to work with. Shaun really worked with us to bring our small attic space into our girls dream bathroom (& adding value into our home). All the men who came to work on our project were incredibly proficient in their craft and patient with my children during the 3 weeks they were here. Genuinely grateful and happy with our new bathroom!
Best contractor I have ever worked with. If there is anything about the project that you are unhappy or unsure of they will make it right. They go miles above and beyond with a courteous and conscientious crew. HIGHLY recommend… just don’t keep them too busy because I have a few more projects at my house at I would like them to do.
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1 change recorded — last scanned Oct 31, 2026.
Typical Connecticut range for this kind of work, from regional averages — not a quote from Gauthier Construction Services. Use it to sanity-check bids, then get the real number in writing.
Estimated range
$21,600 – $32,900
Typical remodeling project around $27,300
Roof and siding renovation4.7
Popcorn ceilings removed and repainted4.7
41 years in businessNot yet rated
State-verified Home Improvement Contractor license since 1999Not yet rated
Deck builds5.0
