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

38 Rosewell Road ,Bedford, NH, US

38 Rosewell Road , Bedford, NH, US
  • GAF Timberline HDZ
  • GAF Timberline HDZ: Pewter Gray

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
4
  • James Hardie Clapboard

Customer Reviews

kelsey routhier — review for Coastal Windows & Exteriors
kelsey routhier
Ewan was great! Very smart, informative, and trustworthy! He explained things very well and made sure all our questions and concerns were addressed!
Coastal Windows & Exteriors response
Response from Coastal Windows & Exteriors10 months ago

Thank you so much for your kind words about Ewan! We’re so glad he made your free roof estimate in West Wareham easy to understand and took the time to answer all your questions thoroughly. Our team believes every homeowner deserves a clear, pressure-free experience when exploring options for a new roof or roof replacement. As your trusted local roofing contractor serving the South Shore and Cape Cod region, we specialize in GAF Master Elite® installations designed to protect your home from leaks, weather, and wear — all backed by a 25-year labor and workmanship warranty and a transferable lifetime warranty on shingles. Thanks again for considering Coastal Windows & Exteriors — we appreciate your trust and look forward to helping with your new roof when you’re ready! – Stephanie Vanderbilt Owner, Coastal Windows & Exteriors

Keri Hawkins — review for Coastal Windows & Exteriors
Keri Hawkins
Very informative and thorough presentation. Frank really listened to us and understood what our vision was for our sliding doors. We look forward to working with him in the future.
Coastal Windows & Exteriors response
Response from Coastal Windows & Exteriors10 months ago

Thank you so much for your kind words about Frank! We’re so glad he provided an informative and detailed sliding glass door consultation in Haverhill and really took the time to understand your vision. Our goal is always to make the process easy, educational, and tailored to each homeowner’s needs. When you’re ready to move forward, your new energy-efficient sliding glass doors will bring in more natural light, improve comfort, and enhance your home’s style — all backed by factory-certified installation and a transferable lifetime warranty for peace of mind. As your trusted local door contractor serving the Merrimack Valley, we look forward to helping you bring your project to life when the time is right! – Stephanie Vanderbilt Owner, Coastal Windows & Exteriors – Stephanie Vanderbilt Owner, Coastal Windows & Exteriors

Eran C — review for Coastal Windows & Exteriors
Eran C
Christos was great! He was very knowledgeable but also very patient with my questions and indecision. I appreciate the time he took to explain the process and walk my though each of the steps.
Coastal Windows & Exteriors response
Response from Coastal Windows & Exteriors10 months ago

Thank you so much for your kind words about Christos! We’re thrilled he made your free window estimate in Carver informative and easy to understand while helping you choose the best fit for your home. His patience and attention to detail ensure every homeowner feels confident about their investment. Your new Harvey energy-efficient windows will make a huge difference—reducing drafts, improving comfort, and helping you save on heating costs, especially with the support of Mass Save. As your trusted local window contractor serving the South Shore, we’re proud to provide factory-certified installation backed by a transferable lifetime warranty for complete peace of mind. Thanks again for choosing Coastal Windows & Exteriors for your new window replacement project — we’re so happy to welcome you to our Coastal family! – Stephanie Vanderbilt Owner, Coastal Windows & Exteriors

Claire Gallacher — review for Coastal Windows & Exteriors
Claire Gallacher
I had the pleasure of working with Ewan Sellars on a siding project for my home, and I couldn’t be more impressed. From start to finish, he was incredibly thorough, professional, and genuinely invested in making sure every detail aligned with my needs. His approach is refreshingly thoughtful — no pushy sales tactics or hard pitches, just honest guidance and a clear commitment to getting things right. I would highly recommend this team and particularly Ewan to anyone considering a home improveme... Read more
Coastal Windows & Exteriors response
Response from Coastal Windows & Exteriors10 months ago

Thank you so much for your kind words about Ewan! We’re thrilled to hear your James Hardie siding consultation in Falmouth was such a positive experience. Ewan takes great pride in providing thoughtful, pressure-free guidance and helping homeowners make confident, informed decisions about their homes. James Hardie fiber cement siding is one of the best ways to add long-lasting beauty and protection to a New England home — durable, low-maintenance, and designed to withstand coastal weather for decades. We’re so glad you enjoyed working with our team and felt supported every step of the way. As your trusted local siding contractor serving Southern Maine and the Seacoast, we’re proud to offer factory-certified installation backed by a 30-year product warranty for complete peace of mind. Thank you again for considering Coastal Windows & Exteriors — we truly appreciate your trust and look forward to helping you move forward with your James Hardie siding project whenever the time is right! – Stephanie Vanderbilt Owner, Coastal Windows & Exteriors

Peggy Bridges — review for Coastal Windows & Exteriors
Peggy Bridges
My husband and I are just starting the process of having our home's siding replaced. At the moment, we have painted cedar shakes. Starting the process was very intimidating. We met with Ewan and Frank from Coastal, who took the time to walk around our home and educate us about the individual needs for our home. This "education" included pointing out both what we needed and did not need. What really impressed me, was how they were very sensitive to our budget. Rather than just tell us we nee... Read more
Coastal Windows & Exteriors response
Response from Coastal Windows & Exteriors10 months ago

Thank you so much for your kind words about Ewan and Frank! We’re thrilled to hear they made your free siding estimate in Tewksbury easy, informative, and pressure-free. Our goal is always to educate homeowners about what truly needs attention — and what can be preserved — while staying mindful of your design goals and budget. It’s wonderful that you enjoyed our home design visualization tool! Seeing how your new siding, colors, and trim will look in real time helps make the process exciting and stress-free. Replacing older cedar siding with low-maintenance, fade-resistant siding means no more repainting — just lasting beauty, energy efficiency, and protection for years to come. As your trusted local James Hardie siding contractor serving the North Shore and Merrimack Valley, we’re proud to provide factory-certified installation backed by a 30 year warranty for complete peace of mind. Thank you again for choosing Coastal Windows & Exteriors — we’re so excited to begin this transformation and bring your vision to life! – Stephanie Vanderbilt Owner, Coastal Windows & Exteriors