Established in 1989, Colonial Sash and Door has
become one of the premiere building material
suppliers in the Five-State area (Maryland,
Virginia, West Virginia, Delaware, Pennsylvania,
District of Columbia). We provide our clients with
quality, custom, and hand crafted building
products; along with friendly service and
competitive pricing. We offer a large variety of
products including windows, doors, exterior
cornice and features, interior trim, cabinetry,
countertops, railings and custom millwork.
Centrally located in Frederick, Maryland, Colonial
Sash and Door houses over 50,000 square feet of
inventory with a state-of-the-art door assembly
division, maintains a fleet of over 25 trucks and is
home to some of the most knowledgeable staff in
Whether you’re a residential homeowner looking
to remodel, or a homebuilder looking for quality
professionals, we have the proper equipment and
experience to meet your specific needs. If you
have any questions regarding our company, or
would like a tour of our facilities please feel free to
contact us. References and referrals are available
upon request. Client base includes Beazer Homes,
D.R.Horton, Dan Ryan Builders, Engle Homes,
Foster Communities, Grayson Homes, K
Hovnanian Homes, Lennar, M/I Homes, Mark
Building Company, Richmond American Homes,
Stanley Martin Homes and Whittington Design
Our entire staff is ready and willing to serve you!