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General Millwork Supply, Inc.

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General Millwork Supply, Inc.
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San Diego's Full-Service Window and Door Company

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Remodeling or Building a New Home? We can help...Come see your Window & Door Specialists in San Marcos. We are a full-service window and door dealer, located in San Marcos, CA. We serve the County of San Diego and its surrounding areas. We have over 50 years of experience in the building industry. Family owned and operated by Tom and Wendy Duran since 1991, our company specializes in selling quality nationally known brand-name windows and doors to homeowners, building contractors, architects and designers. We are proud to have one of the largest showrooms in San Diego County, displaying windows, doors, skylights, moldings, door hardware, closet systems and much more to match any architectural style or budget plan. General Millwork Supply offers many fine lines of quality wood, wood-clad, fiberglass, vinyl and aluminum windows, entry, interior & wardrobe doors, decorative moldings, greenhouse windows, porch columns and skylights. We also offer many other building specialty products from other manufacturers that can be special ordered. Our showroom is available to support our professional customers with their clients as well. We believe its a team effort by working together to help the client make the best choices for their project. We are your "One Stop Shopping" for all your home remodeling or building needs. Exceptional Service & Quality Guaranteed!

Services Provided

Custom Doors, Door Installation, Door Sales, Exterior Door Installation, Weather Stripping, Delivery Available, Windows, Skylights, Door Hardware, Door Moldings and Trim, Entry Doors, Interior Doors, Exterior Doors, Building Supplies, Replacement Windows, Window Installation

Areas Served

Cardiff By The Sea, Carlsbad, Encinitas, Escondido, Fairbanks Ranch, Hidden Meadows, Hidden Trails, La Costa, Oceanside, Poway, Ranch Santa Fe, Rancho Santa Fe, San Diego, San Marcos, Solana Beach, Valley Center, Vista, Temecula


Voted one of "San Diego's Best" Window & Door Company by The UT San Diego Reader's Poll for 2012-2015, 2017 & 2018; Awarded 2010 "Dealer of the Year" in Overall Excellence for Leadership in the Professional Market; Awarded "Best of Houzz 2014-2015, 2017 & 2018" & "People Love Us On Yelp " 2016