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

Emily Shaw — review for Coastal Windows & Exteriors
Emily Shaw
We had storm doors installed by Coastal, and while the initial installation went smoothly, we did encounter an issue with one of the doors not closing properly. They did come out to address it once, but the problem wasn’t fully resolved at that time. We submitted a second service request, and although it took a bit of time and some back and forth, they did eventually follow through and resolve the issue. Dave was very helpful when addressing the actual problem, and providing a solution to fix i... Read more
Leslie Chiano — review for Coastal Windows & Exteriors
Leslie Chiano
Mark Kissel is extremely thorough and informative during our consultation for new roofing. He explained all of the stages and steps so I knew exactly what to expect! The price for the work to be done was less than I expected. We’re very happy with the level of confidence he instilled in us about this project! The roof looks perfect and has survived its first New England winter with no issues whatsoever!!
Mary Hathon — review for Coastal Windows & Exteriors
Mary Hathon
It was wonderful working with Mike. He was professional and detail orientated. Looking forward to getting the windows done for this upcoming winter.
Rick Shepard — review for Coastal Windows & Exteriors
Rick Shepard
We are extremely happy with our new siding. Our house looks like brand new! We went with vinyl siding and had 2 windows replaced. Everyone we dealt with at Coastal was great. Communication was good, questions were answered quickly. It was very cold the week the siding was installed. The workmen showed up early every morning and worked until dark in freezing (single digit) temperatures. They did a fantastic job. We are happy with the materials. The job was finished to a very high standard. There ... Read more
Katherine Breslin — review for Coastal Windows & Exteriors
Katherine Breslin
Today, in response to my request for information, I was visited by Ryan Mahoney of Coastal Windows & Exteriors. Ryan listened carefully to my needs for siding and windows on my house which was built in the 1950’s. Ryan explained EVERYTHING in detail to make sure I understood what options were available, readily answered my questions, and was so very kind and professional. After making my selections, he again reviewed each item and cost. Ryan made this such a pleasant experience. I feel very comf... Read more