Here At MJ Windows Co. Our Customers Satisfaction Is Above All else

MJ Windows thrives on top notch customer service from start to finish

Premium Windows, Expert Installation

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"Josh did such an excellent job with a picture window we needed replaced. He communicated with us very well and did everything in the timeframe agreed upon. MJ windows will be our go-to moving forward!"

"Fantastic work by even better people. I feel fortunate to have found MJ Windows and even though the project was small, the level of care and detail was as if I replaced every window. If you are on the fence of who to use, look no further this is the one. Professional, Tidy, Responsive, I could go on."

"The MJ Windows Co. team were a pleasure to work with. Excellent service and quality work. Executing on all agreed terms, plus more. I will definitely be looking to use them in the near future!"

Who We Are

At MJ Windows Co, we are committed to providing our customers with top-of-the-line windows, professional installation, and exceptional customer service. And while any company can claim to offer great products and service, we’ve earned the third-party recognition and testimonials from a long list of happy customers to prove it.

As a local business serving the Greater Boston area, our mission is simple: to offer a better window, professionally installed, at the right price. You’ll see the difference this approach makes from the moment you contact us. From our no-pressure sales to our transparent pricing, you can be confident that we’ll put your needs first. We’re here to help you find the replacement windows that are right for your home. If you’re looking for home windows that offer great value, then choose MJ Windows Co.

Sleep in Absolute Peace Wake up to Bright Sunshine

MJ Windows Co. Will Help You Meet Your Home Improvement Goals One Window At A Time.

Numbers Speak for Themselves

Satisfied Clients

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Years of Experience

Completed Projects

A REPUTABLE COMPANY WITH A PROVEN TRACK RECORD

At MJ Windows Co., we understand that all homeowners want premium windows at a price that won’t break the bank. That is why we offer replacement windows that perfectly match these requirements. We sell our windows in a straightforward manner, and treat our customers the way we would want to be treated.

Having new windows installed is one of the best investments a homeowner can make. It’s a project that offers a multitude of benefits that range from increasing comfort by eliminating drafts to improving the exterior curb appeal of your home. Of course, modern windows also offer a huge upgrade in energy efficiency to older windows as well.