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Sullivan Contracting's website names Norwich as its service area and lists roof replacement, roof repair, windows, seamless gutters, vinyl siding and decks. The company says it has been in business 10 years. A 2023 customer said George explained the product and process at the first consultation, and that the roof replacement took one day, with bushes and plants covered. A 2025 customer said George and his crew replaced multiple sheets of rotted plywood. A 2025 customer described a siding replacement project and said they worked hard to meet the timeline. A 2023 customer who called about a downspout said they explained what was wrong and fixed it the same day. A 2024 customer with a serious leak in an old roof said Sullivan Contracting gave a quick diagnosis and cleaned up afterward. A 2024 customer said the company quoted a project in April 2024, and the work done in July 2024 involved taking off all the gutters and power washing the house, which the customer said was never fully completed. By December, that customer wrote, the company had stopped communicating and had left its equipment there and the gutters off the house. A 2023 customer said they signed a contract on August 15, 2023 for new siding and gutters, left a $5,000 deposit, and by December 27 had seen no work done; the customer said they would be going to court to get the deposit back. A 2025 customer said painting and gutter installation started in June 2024 and that, as of June 3, 2025, gutter leaks and the paint for the porch roof were still waiting on completion, though that customer was happy with how the house painting came out. A 2022 customer said George did a good job on the roof "so far," but shingles left behind caused two flat tires, the customer could not reach him for two to three weeks at a time, and the customer was hiring someone else to finish.
Sullivan contracting started our house painting and gutter installation in June 2024. Today, June 3, 2025, we are still waiting for completion of leaks at different spots on the gutters and the paint for the roof of the porch. We were happy with the painting results of the house and the crew were hard workers. We have contacted the owner many different times and have telephoned the office as well. We received many excuses with promises to contact us with an appointment with no follow through.
Excellent work!!! No hassle!!! This is a straight shooting company who breaks down the price so you know where your money is going.
My husband and I were very satisfied we appreciate the communication and product Sullivan roofing completed
Thanks for my new roof it was a pleasure doing business with Sullivan
It a blessing to find any kind of contractor that doesn't give you a headache.Thanks Sullivan for a great job and providing a stress free service
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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 Sullivan Contracting. Use it to sanity-check bids, then get the real number in writing.
Estimated range
$3,750 – $10,300
Typical exterior project around $7,050
Fair pricing on added rot repair5.0
Chimney work on a 1910 home3.9
State-verified Home Improvement Contractor license since 2026Not yet rated
Second floor and attic insulated fast3.9
Ice dam cleared the next morning4.3