General Millwork Supply Inc.

A full scale window and door dealer located in San Marcos, CA
Over 50 years of experience in the building industry
Family owned and operated since 1991
Specializing in selling quality nationally known brand-name windows and doors at competitive prices.
One of the largest showrooms in San Diego County; Proudly displaying windows, doors, skylights, moldings and door hardware to match virtually any architectural style and budget plan.
We are supplier only, we do not provide the installation, but refer licensed contractors.
Offers many fine lines of quality wood, fiberglass, vinyl and aluminum windows, doors, entry doors, and skylights. Also supply interior doors, wardrobe doors, decorative moldings and many other specially building products.

One-stop Shopping:

Windows, Doors and Skylights - Including replacement windows, French patio doors, front entry doors, sun tunnels and more
Hardware and Moldings - Including a broad range of moldings and door hardware to compliment your design
More Products - We offer more than you think… Faux beams, Closet systems, fireplace mantles and more

We are committed to providing you with the excellent customer service and prices you can afford!
Selecting Windows, Doors, Skylights, Hardware, and Molding
There are so many manufacturers, styles, sizes and materials to choose from… It can all be very overwhelming. If you are looking to simplify your decision making process, Call us today or come into our showroom so we can assist you with your project.