Coastal Windows & Exteriors of Massachusetts

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About Us

We service the Massachusetts, Southern New Hampshire, parts of Maine and surrounding areas. Reach out to us if you’d like a consultation, (978) 717-2841

About Us:

Coastal Windows & Exteriors is a reputable construction company that specializes in providing high-quality window and door replacement services. They have earned a strong reputation for their dedication to delivering top-notch products and services to homeowners in the region. Coastal Windows understands the importance of energy-efficient and aesthetically pleasing windows and doors in a home, and they offer a wide range of options to meet the unique needs and preferences of their customers.


With a commitment to excellence and a team of experienced professionals, Coastal Windows is known for its attention to detail and precision in every project they undertake. They strive to improve the energy efficiency and curb appeal of homes while ensuring a seamless and hassle-free installation process. Coastal Windows' dedication to customer satisfaction and their expertise in the window and door industry make them a trusted choice for homeowners looking to enhance the beauty and functionality of their properties.


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Read what 590+ clients have said about our services:

Recent Work

25 Tobey Garden Street,Duxbury, MA, US

Check out this James Hardie clap siding job in Duxbury! The homeowners are loving the color combo Grey Slate with Arctic White trim. Learn more about us HERE

25 Tobey Garden Street , Duxbury, MA, US
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  • James Hardie Clapboard

17 Sir Lancelot Drive,Exeter, NH, US

  • GAF Timberline HDZ
  • GAF Timberline HDZ: Weathered Wood
  • Other Services
  • Other Services: Roofing

Customer Reviews

Kevin Palmerino — review for Coastal Windows & Exteriors
Kevin Palmerino
We recently met with Tim and Terry of Coastal Windows and Exteriors about replacing some windows and siding our two family home. They were both very friendly and accommodating of our time. They went through all the details of the project and what to expect. We had some particular requests for the look of the overall project and they answered all our questions. They were professional and knowledgable and because of their service, we went ahead with the project. We look forward to having our s... Read more
Tom Monks — review for Coastal Windows & Exteriors
Tom Monks
We received three bids for replacing the siding on our house. We chose Coastal not only for their competitive price but were impressed by the experience and knowledge of representatives Terry O'Connor and Tim Allcott. As the project is still underway, we look forward to working with Terry and Tim and the crew at Coastal. Can't wait to see our 100 yr old house become new again!
Diane Somers — review for Coastal Windows & Exteriors
Diane Somers
My windows are not installed as of yet, but my experience with both Terry O'Connor and Tim Alcott were great. Both were professional, friendly and very knowledgeable. Also, both were very clear in explaining the process, cost, window warranties and timeline. I'm very happy with my purchase and I can't wait to see my new windows!!!!.
Tracy Karavetsos — review for Coastal Windows & Exteriors
Tracy Karavetsos
We called Coastal Windows & Exteriors to replace the siding and some windows on our house. Tim and Terry were here on time and prepared. They went over all the options and explained every detail. They are knowledgeable, patient and easy to talk to. Tim and Terry are a great representation of the company. We are waiting for the install and I'm sure that will go just as smoothly as the consultation did. I can't wait for our new look!
Mike Sargent (All About Flooring, NH) — review for Coastal Windows & Exteriors
Mike Sargent (All About Flooring, NH)
Terry O'Connor and Tim Allcott have been great to work with. They came up from Mass to Derry, NH to meet with us and were very thorough in providing us with lots of options on siding and the associated prices on the spot. We have emailed them with a few changes and they respond right away. We are due to have our siding installed in about a week and I suspect with all the positive feedback we have seen online, and our interaction so far, that we will continue to be impressed with the compan... Read more