4.6 
47 *The Angi rating for Window And Door Contracting companies in Cornwall, CT is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Window And Door Contracting needs.
*The HomeAdvisor rating for Window And Door Contracting companies in Cornwall, CT is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Window And Door Contracting needs.
Last update on October 14, 2025
Serving Cornwall, CT and surrounding areas
Approved (Corporate)
In business since 1992
Free estimates
Warranties offered
"Did windows, doors and gutters and we are very happy!!"
+41
Serving Cornwall, CT and surrounding areas
Approved
In business since 1961
Free estimates
Warranties offered
"We really like our new windows and sliding glass door. They were very professional and did nice work. Everything looks great!"
+40
Serving Cornwall, CT and surrounding areas
Approved
In business since 2018
Free estimates
Warranties offered
"It went very well Highly recommended Very respectful and professional"
+74
Serving Cornwall, CT and surrounding areas
Approved
In business since 2010
Free estimates
Customers say: Quick response
"We hired Elvin to repair a leaking window. Not only did he do that, but he offered to replace the screen which had been damaged by birds. He's truly an awesome guy and a top notch craftsman! We would hire him again in a second."
Serving Cornwall, CT and surrounding areas
Approved
Super Service Award Winner
In business since 2024
Free estimates
Credit card accepted
"he did a great job installing my new screen door. very professional & affordable. i highly recommend!!"
+29
Serving Cornwall, CT and surrounding areas
Approved (Corporate)
Super Service Award Winner
In business since 2007
Free estimates
Warranties offered
"Renewal by Andersen of Wyoming did an incredible job with installing windows in our home. Thank you to the team who did the install and to the company for creating these exceptional windows."
+2
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 1999
Free estimates
Emergency services offered
"I am looking for job and I do roofing and siding."
Serving Cornwall, CT and surrounding areas
Approved
Super Service Award Winner
In business since 2005
Free estimates
Credit card accepted
"They did a wonderful job roofing and siding my garage and replacing my front porch. I plan on hiring them again next year."
+53
Serving Cornwall, CT and surrounding areas
Approved
Super Service Award Winner
In business since 2006
Free estimates
Emergency services offered
"Replaced my bilco door and fixed the concrete base it was on. Put down membrane in my crawl space (encapsulated it) and insulated the crawl space. Prompt, courteous, reasonable pricing. Would absolutely hire them again"
+37
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