Fall Install Event: 70% Off Install Labor, ends Wednesday, October 31

Window and Door Replacement on Massachusetts' North Shore

Local crews out of Marblehead, installing for coastal salt air and century-old colonials since 2014.

  • Free in-home estimate
  • Exact written price
  • Most homes done in a day
Financing available. 0% for 12 months. See Financing Options
(978) 354-5544
*Offer terms

*70% off installation labor on qualifying window and door projects contracted by October 31, 2026. Applies to installation labor only, not product cost. Not combinable with other offers.

Get Your Free Estimate

A written estimate in 24 hours. No pressure, no obligation.

    By submitting this form, you give your express written consent for Seaside Windows & Doors to contact you by phone, text, and email about our services, including by automated technology, at the number you provided. Consent is not required to purchase. Msg and data rates may apply; reply STOP to opt out. See our Privacy Policy.

    Complete the required fields to send your request.

    • 5.0 Google (29 reviews)
    • Marvin & Andersen Certified
    • Licensed & Insured
    • Serving the North Shore since 2014

    What will my windows cost?

    Most contractors will not tell you until someone has been to your house. Answer a few questions and get a real range in about two minutes, with no phone number and no commitment.

    See your price range
    Window cost calculator, first step

    What our customers say

    Real reviews from homeowners across the North Shore.

    5.0 Based on 29 Google reviews Verified Reviews
    Alexis Reed 3 days ago
    ★★★★★

    I had a great experience working with Andy at Seaside Windows and Doors to replace my storm door. The entire process was easy and straightforward from start to finish. I would absolutely recommend Andy and Seaside Windows and Doors to anyone looking for quality work and a hassle-free experience!

    Sam Balian 3 weeks ago
    ★★★★★

    We had a great experience with Seaside Windows and Doors. The entire experience from quote through installation was smooth, prompt, and professional. We couldn't be happier with our new storm doors and sliding door!

    Marve Q 9 weeks ago
    ★★★★★

    Super smooth process from start to finish! Seaside Windows and Doors did a fast, top-quality installation and the new windows look incredible. Highly recommend Andy and the team!

    Read all 29 reviews on Google

    Brands we install

    The manufacturers we buy direct and install ourselves.

    Alside windows installed by Seaside Harvey Andersen Marvin

    Customer Stories

    Real window and door installations across the North Shore, start to finish.

    Black Replacement Windows in a Salem Brick Facade
    WindowsSalem, MA

    Black Replacement Windows in a Salem Brick Facade

    Brick openings with granite lintels and sills, and a window that had to look like it had always been there. Six over…
    A Basement Window Nobody Will Notice, Medford MA
    WindowsMedford, MA

    A Basement Window Nobody Will Notice, Medford MA

    Black frame, poured concrete foundation, and a detail that most houses get wrong: the window is not supposed to be the thing…
    Casement Windows with Transoms in a Topsfield Home
    WindowsTopsfield, MA

    Casement Windows with Transoms in a Topsfield Home

    A tall opening that reads as one window and is actually four, with the grid pattern carried through all of it. Done…
    Whole House Window Replacement on a Beverly Cape
    WindowsBeverly, MA

    Whole House Window Replacement on a Beverly Cape

    Every opening in the house, dormers included. The dormers are the ones most quotes quietly leave out.
    A Three Panel Sliding Patio Door in Charlestown, MA
    DoorsCharlestown, MA

    A Three Panel Sliding Patio Door in Charlestown, MA

    A wide opening onto a covered deck, with no room on either side for a door that swings. Three panels, one moving,…
    Three Basement Windows in a Fieldstone Foundation, Lawrence MA
    WindowsLawrence, MA

    Three Basement Windows in a Fieldstone Foundation, Lawrence MA

    Three openings cut into a rubble stone foundation, no two the same size, and not one of them square. The homeowner expected…

    See all customer stories

    How we work

    The same four steps on every job, from the first visit to the last window.

    A Seaside estimator reviewing a window project with a homeowner
    1. 1 Free in-home estimateWe come out, measure every opening, and give you a real number. No charge, no pressure.
    2. 2 An honest repair-or-replace callIf a window only needs a repair, we say so. We tell you what to skip, not just what to buy.
    3. 3 An itemized written quoteThe whole job on paper, line by line. The number on it is the number you pay.
    4. 4 Installed in a dayOur own crews, each opening closed up before the next is opened. Most homes done in a day.
    0%APR for 12 months
    Financing

    0% financing for 12 months

    On approved terms. Prequalify without affecting your credit score, and spread the cost of a whole-house job over the year.

    • Prequalify in minutes, online
    • Plans for whole-house and single-room jobs
    • Your estimator walks you through the options
    See financing options

    Where we work

    Massachusetts and southern New Hampshire, by county and by town.

    Map of Seaside Windows and Doors' service area: Essex, Middlesex and Suffolk counties in Massachusetts and Rockingham County in New Hampshire North Shore MA & southern NH
    Beverly Charlestown Danvers Georgetown Gloucester Lawrence Lynn Lynnfield Marblehead Medford Merrimac Peabody Salem Saugus Swampscott Topsfield

    Not sure if we cover your town? Call us and ask.

    Before you replace anything

    Straight answers before you spend a dollar.

    The Small Window Problems That Usually Turn into Big Repairs
    Window

    The Small Window Problems That Usually Turn into Big Repairs

    A small window issue can seem easy to ignore, but tiny signs often become expensive repairs later. A…
    Why Vinyl Windows Are Becoming the Modern Home Standard
    Vinyl Windows

    Why Vinyl Windows Are Becoming the Modern Home Standard

    Many homeowners do not think about their windows until something starts feeling wrong. A room feels colder than…
    Could New Windows and Doors Add More Value Than a Kitchen Remodel?
    Door Replacement

    Could New Windows and Doors Add More Value Than a Kitchen Remodel?

    A kitchen remodel can be beautiful, but window replacement in Swampscott, MA, may add value in a quieter,…

    All articles

    Ask AI about Seaside

    Do not take our word for it. Ask any AI assistant about us and see what it says.

    “Tell me about Seaside Windows and Doors in Marblehead, MA. What are their reviews, services, and service area?”
    ChatGPT Perplexity Grok Google AI

    Answers to your most asked questions

    How long does window or door installation take?

    Most standard window or door installations are completed within one day. Larger projects or custom products may take additional time, but our team will provide a clear timeline before work begins.

    Do you offer free estimates?

    Yes! We provide 100% free, no-obligation estimates. Our experts will assess your needs, discuss options, and recommend the best solution for your home and budget.

    Are your windows energy efficient?

    Absolutely. All our windows are energy-efficient and ENERGY STAR® compliant, helping reduce energy costs while improving comfort and insulation year-round.

    Do your products come with a warranty?

    Yes. Our windows and doors come with manufacturer warranties, and we also stand behind our installation with a workmanship guarantee for complete peace of mind.

    Do you offer financing options?

    Yes, we offer flexible financing options to make upgrading your windows and doors affordable. Our team can help you choose a payment plan that fits your budget.

    What areas do you serve?

    We proudly provide our services across several communities in the North Shore area of Massachusetts. Our coverage includes Marblehead, Salem, Swampscott, Beverly, Peabody, Lynn, and the greater North Shore MA region. If you're located in or near these areas, our team is ready to assist you with reliable and professional service.

    Ready for a free estimate?

    Get a real price range before anyone comes to your house, or reach us for an exact written quote.

    Get a free estimate See your price range
    Schedule a Free Consultation for Window and Door Replacement Schedule a Free Consultation for Window and Door Replacement
    Schedule a Free Consultation for Window and Door Replacement Schedule a Free Consultation for Window and Door Replacement
    Get a Cost Estimate