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Capitol Siding & Home Improvement is an Auburn exterior contractor that, by its own account, installs replacement windows, doors, vinyl and fiber cement siding, asphalt roofing and seamless gutters across Worcester County. The company says it was founded in 1951 by Moses "Mark" Sarkisian, Sr. as the Capitol Aluminum Products Company, starting with aluminum siding and later adding windows, roofing, patio rooms and gutters. A recent customer who needed a new roof said they arrived on time on install day and worked until after dark to complete the job. When that customer had questions afterward, Matt came to the house. A recent customer who met with several roofing companies before choosing Capitol said its price was among the lowest. A Reddit commenter said they used Capitol for new construction windows, including replacing the sills, at a total cost of around $18,000. In a March 2021 Reddit thread, a commenter in r/worcesterma said they had a pretty good experience with Capitol Siding. A 2026 customer described a full exterior overhaul: old aluminum siding swapped for vinyl, every door and window replaced, and a couple of gutters fixed. That 2026 customer said Matt reached out with alternatives when there were hiccups in the order. A 2026 customer said the company repaired a roof after two other companies had quoted only for replacing the whole roof. A 2026 customer hired them to take care of three large ice dams on the roof. A 2025 reviewer wrote that after a storm sent a leak through a light fixture, Matt went on the roof, identified the issue, fixed it in 15 to 20 minutes and would not take payment. A 2025 customer said Matt first told them the roof could probably last a couple more years. In that 2025 review, Luis and the crew later replaced the roof in two days. On Google the company holds 4.9 stars from 105 ratings, and its BBB page shows an A+ grade and lists it as a BBB Accredited Business since 1956. Massachusetts home improvement contractor registration 174389, in the name of Capitol Siding Co Inc, is expired on the state registry. A 2024 reviewer who received the lowest quote called its scope of work nondescript and said Capitol did not want to rewrite the estimate after the customer sent back a list compiled from the other quotes.
“Capitol Siding was good but we only had one guy working on all the windows so it took 2.5 weeks. He was meticulous with his work though, and redid anything that wasn’t to his standard”
“We had a pretty good experience with Capitol Siding.”
“A 63-year-old family business with an array of residential and commercial/municipal customers.”
“This comes on top of a sales territory expansion and a new forray into installing and servicing gutters, which now has its own division.”
Capital did my siding, doors, gutters and windows. My house looks amazing and the workmanship and customer service is outstanding. Nice to have a reliable company with helpful knowledgeable staff to work with in this day and age of no customer service.
I had an excellent experience with Matt and his team when I needed a new roof. Matt was very responsive to my inquiry and when he came out to the house he took the time to explain the estimate and the details of the roof being installed. I don't think anyone was going to beat his price, I was extremely happy with the quote. On the day of the install they were on time and worked until after dark to complete the job. The team did an excellent job cleaning around the house and left without any evidence that they were there. When I had some questions after the job was done Matt showed up at my house to make sure I was 100% satisfied. It was on overall amazing experience. I would not hesitate to call Matt again for any of my contracting needs.
We had the most amazing experience. After meeting with several roofing companies, Mateus Biedron from Capitol came and blew us away. His knowledge and experience was clear from the start. Their price was among the lowest yet offered the most. As a former Builder and Insurance Adjuster I have high standards and he exceeded my expectations every step of the way.
Had my roof replaced 4/15/26. Everything outstanding service and quality work. Matt was terrific to work with, from planning, demo& phases of installion, completion and cleanup. Will be using Capitol for future home projects.
Matt and Capitol Siding were great to work with, and I couldn't be happier with how everything turned out! This was basically a full exterior overhaul - swapping out old, beat up aluminum siding with vinyl, replacing ALL the doors and ALL the windows, and fixing a couple of the gutters. Once I met with Matt to discuss the project, I didn't even bother to shop around for proposals. There were a couple hiccups in the order, and Matt was quick to reach out with alternatives (and I definitely came out all the better for it each time.) Bill and Tony did a beautiful job installing the windows, including a custom one in the bathroom, and the siding looks terrific. They really went the extra mile, and I couldn't recommend them more highly! (Don't mind the missing flashing under the back door - I was too happy to wait for the finished photo.)
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1 change recorded — last scanned Aug 5, 2026.
Typical Greater Boston range for this kind of work, from regional averages — not a quote from Capitol Siding & Home Improvement Co. Inc.. 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
Certified attributes are verified against the public registry. Others are the business's own statement.
Certified attributes are verified against the public registry. Others are the business's own statement.
Works to a budget3.8
Glued-down floors sanded and refinished3.5
