Our Facility

Diamond Windows & Doors Mfg. originally operated out of a 20,000 sq. ft. facility in Brighton, MA. The rapid growth of the company soon necessitated a move to a larger window and door factory. In 2004, Diamond Windows moved all of its headquarters and manufacturing systems to the more centrally located Dorchester neighborhood of Boston. With a new 90,000 sq. ft. window and door factory with convenient access to both highway I-90 and I-93, Diamond Windows is poised to serve all of New England and America better.

With more room came the opportunity to expand, Diamond Windows took this opportunity to update all its machinery when it moved. The new vinyl window factory floor even opened enough room to accommodate the machinery needed for introducing a new product expansion, allowing us to become an aluminum window factory. This product expansion effectively brought Diamond Windows into the commercial market, making us a more complete custom window factory. Whether you’re working on a small residential property or a large-scale commercial building, we’re here to provide the best window and door solution possible..

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