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John's Roofing Siding & Windows works on roofs, siding, windows and gutters, and its Connecticut home improvement contractor registration, HIC.0651368, is active on the state registry. The company says it has been in business 22 years, and its BBB grade is A+. A recent siding customer said they were kept up to date and everything was explained as the siding went on. A recent customer said they came out when they said they would and called Jasmin the Manager responsive and polite. A 2026 customer said they replaced an old roof ahead of solar panels, set up tarps to protect the deck and grass, and went over the property with a metal detector for loose nails. A 2026 customer with water leaking into a dining room said they came out right away and were back the next morning in -10 degree weather for emergency snow removal. A 2024 reviewer who works in the trades said the roof replacement, with a new skylight and plywood replacements, was completed in one day. A 2022 customer said the crew installed new construction windows and was meticulous in the clean-up. A 2024 customer said they never heard back after the company came out for a quote.
Quick response and MOST important came out when they said they would. A well done job and very nice people. Jasmin the Manager was so responsive and so polite while doing our job. I would highly recommend them.
quick response and MOST important came out when they said they would. A well done job and very nice people. Jasmin the Manager was so responsive and so polite while doing our job. I would highly recommend them.D H.
“I recently had work done by John’s Roofing Siding Windows, and I couldn’t be happier. The crew was professional, on time, and paid attention to every detail. The quality of the work was outstanding, and they left everything clean when the job was finished. My home looks better, has more curb appeal, and I can already notice an improvement in energy efficiency. I highly recommend John’s Roofing Siding Windows to anyone looking for honest pricing and quality craftsmanship!”
We had an excellent experience with John's Roofing and Siding from start to finish. John, Jasmin and their entire team were extremely profession and take incredible pride in the work they provide. We were kept up to date on where things were at and as they were doing the siding everything was explained. I highly recommend this very talented and professional team. I will definitely reach out to them if we need anything else
They have been awesome, Jasmine has been extremely responsive. John came out quickly, listening, diagnosed issues and gave us options. Still working with them and will continue working with them while I own a house.
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Certified attributes are verified against the public registry. Others are the business's own statement.
2 changes recorded — last scanned Oct 30, 2026.
Typical Connecticut range for this kind of work, from regional averages — not a quote from John's Roofing Siding & Windows. 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
One-day roof replacements5.0
Estimate matched the final cost5.0
Cedar clapboard and rot repairs4.1
Bathroom and kitchen renovations3.6
Red oak hardwood refinishing through a home4.7
