5 
12 *The Angi rating for Door Service companies in Cornwall, CT is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Door Service needs.
*The HomeAdvisor rating for Door Service companies in Cornwall, CT is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Door Service needs.
Last update on October 14, 2025
Serving Cornwall, CT and surrounding areas
Approved
In business since 2018
Free estimates
Warranties offered
"Applied sun screen film to inside of large front storm window of my home. Good work."
+74
Serving Cornwall, CT and surrounding areas
Approved
In business since 2010
Free estimates
Customers say: Quick response
"Elvin is detailed oriented, thoughtful and knows how to connect with customers to make decisions to get the outcome you are looking for. Heâ s a great guy and an excellent problem solver! Looking forward to working with him again."
Serving Cornwall, CT and surrounding areas
Approved (Corporate)
In business since 2000
Free estimates
Warranties offered
"I liked that there was no nonsense. Their salesman was straightforward and the price was fair. We were also impressed with the installers. They installed all the windows in 1 day and they look great. I'm happy I chose them."
+55
Serving Cornwall, CT and surrounding areas
Approved
In business since 2024
Free estimates
Credit card accepted
We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business! Book with us online or feel free to give us a call today!\n
Serving Cornwall, CT and surrounding areas
Approved (Corporate)
In business since 1991
Free estimates
Credit card accepted
Are you looking for the very best replacement window money can buy? You've found it with Castle Windows! Replacing your home's windows with high-performance Castle Windows is one of the wisest home improvement investments you'll ever make.\n\nCastle Windows is dedicated to saving you time, money and frustration. You can trust your custom-made windows from Castle Windows. Committed to producing the best product possible, Castle Windows confidently stands behind our work with a lifetime limited warranty to protect your window investment. \n\nFor over 30 years Castle Windows has been designing windows to fit your world. We offer a wide selection of top quality, custom-made windows to fit your home because we know you appreciate variety, expect quality and demand affordability. We are able to make a window to almost any specification including multiple colors, grid patterns or application without sacrificing quality or warranty.\n\nCall us today for your free estimate!\n
+13
Serving Cornwall, CT and surrounding areas
Approved (Corporate)
In business since 2007
Credit card accepted
Offers commercial services
"I felt the price quoted was exceptionally high and they wanted to do more than just replace 2 doors."
Serving Cornwall, CT and surrounding areas
Approved
Super Service Award Winner
In business since 2005
Free estimates
Credit card accepted
"He also replaced my front door and did a great job."
+53
Serving Cornwall, CT and surrounding areas
Approved
In business since 1985
Free estimates
Emergency services offered
"I highly recommend hammertime. Reasonable prices and quality workmanship. Always arrived on time and cleaned up at the end of each day. I ended up hiring Mike for additional work... would not hesitate to hire again."
+74
Serving Cornwall, CT and surrounding areas
Approved
In business since 2012
Free estimates
Emergency services offered
"Very professional and very clean."
+2
Serving Cornwall, CT and surrounding areas
Approved
Free estimates
Small jobs welcome
Offers commercial services
"Very professional and quick response. Job well done. Great experience."
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