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Bay Area Replacement Doors

Over 20 years ago, Belmont Pioneer started as a pre-hung door shop. Pre-hung doors continue to be a large part of our business and our shop has built a reputation to be one of the best in the Bay Area.

Each door that leaves our shop has been built with pride using current technology but old world skill. We take great care in assuring that each hinge is precisely placed and the door is properly fit into the frame. Today’s large mass production door shops are not equipped to hang a door with the same skill and attention to detail. Long term, proper operation is dependent on a properly hung door. Your doors are a big investment and we welcome the opportunity to provide you with a pre-hung doors that will give you years of good service.

Belmont Pioneer is proud to have one of the most complete door showrooms in the Bay Area. We display over 150 interior and exterior doors. From custom stain grade species doors to standard paint grade doors, our staff is trained on each product line we carry to help you make the best choice for your project.

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Our Doors


Belmont Pioneer - Marvin Doors, San Carlos, CA

Marvin Doors
Marvin Doors is an industry leader in the production of energy-efficient windows and doors, offering more than 150,000 options that are ENERGY STAR rated.  
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Belmont Pioneer - Integrity Doors, San Carlos, CA

Integrity Doors from Marvin
Integrity's exclusive Ultrex pultruded fiberglass exterior provides the strength and durability you need in a door, available in several styles designed to match the architecture of your home.
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Belmont Pioneer - Custom Doors, San Carlos, CA

Custom Built Doors
Belmont Pioneer partners with a number of custom door manufacturers. Our sales specialists will choose the company that best fits the type of door you would like built.
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Belmont Pioneer - Simpson Doors, San Carlos, CA

Belmont Pioneer has been selling Simpson Doors for over 20 years and we have a great assortment of both interior and exterior Simpson Doors in our showroom.
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Belmont Pioneer - T.M. Cobb, San Carlos, CAT.M. Cobb
Belmont Pioneer is a long term supplier of quality entry doors, interior doors, and exterior doors from T.M. Cobb, featuring the best selection in San Francisco and the Bay Area.
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Belmont Pioneer - Therma-Tru Doors, San Carlos, CA

Belmont Pioneer features Therma-Tru, the leader in fiberglass exterior doors, with the biggest and best selection of Therma-Tru entry and exterior doors in the Bay Area.
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Belmont Pioneer - Trustile Doors, San Carlos, CA

Belmont Pioneer is one of few TruStile Design Center Dealers in the Bay Area. Our showroom display doors offer examples of each panel and sticking profile available.
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