Deborah R.
8/5/2025
John Sullivan at Seacoast Windows was an absolute gem! He and his team of crack window installers did a beautiful job of replacing six 84-inch tall windows of my condo in an historic 1800's mill...
Seacoast Replacement Windows
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7 Rolling Hill Ave
Plaistow, NH 03865
Seacoast Replacement Windows, located in Plaistow, NH, specializes in high-quality replacement windows and doors for both residential and commercial properties. Owned and operated by Mike Lewis and John Sullivan, the company boasts over 20 years of combined experience in the industry, ensuring expert service and premium products from trusted brands like Andersen and Harvey.
Committed to customer satisfaction, Seacoast Replacement Windows offers a wide range of options, including energy-efficient solutions and innovative noise-reduction technologies. Their hands-on approach and dedication to quality have earned them a reputation for professionalism and exceptional workmanship in southern New Hampshire and northeast Massachusetts.
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Reviews
5.013 reviewsMichelle D.
5/7/2021
We just finished the replacement of all 23 of our windows in our house. We couldn't be happier with the installation, quality, and efficiency of the crew and the windows they installed. No more...
Jay R.
11/20/2012
What a great experience! Everything was thoroughly explained, the install was quick and clean and the owners were on-site the entire time.
Matthew R.
11/20/2017
I can't be more pleased with our windows. We had 10 windows and a slider replaced today. We also had a door changed to a wind and a slider put in. All done in one day. John and Mike are great with...
John R.
5/15/2020
John and his team installed 10 windows, an entry door, and 2 storm doors on my house. Not only did they do a great job with the installation and trim work, but they were always polite and...
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