Doors & Windows


Discount Builders Supply Door and Window department is the San Francisco bay area’s expert in the window and door industry. We have served San Francisco for 50 years in the new and replacement window and door business. We specialize in offering the widest selection of windows, doors, door locks, skylights, and decking for new or replacement San Francisco bay area style homes. Our professional friendly door/window staff members will offer you the highest quality residential and commercial products. We provide service and solutions to homeowners, contractors, property managers, designers, or architects, from start to finish.

Our in-stock door selection includes wood doors, front entry doors, interior doors, and bi-fold doors, in-stock vinyl, single hung, and slider windows. We have everything you need to complete your project(s). If you need it custom built, we will work with you and our large selection of manufacture’s to make your dream door or window become an affordable reality.


Our Courteous and Knowledgeable sales staff is always available seven days a week to help you select that special door and or windows. Attention to detail and follow through has set us apart from the competition. Our fully trained staff can assist you on in fulfilling the most appropriate, and compliant product for your quest to create a beautiful home.

We have windows to meet all your needs; wood, aluminum clad, fiberglass, aluminum, & vinyl. Whether you have an older home (Victorian), or new home (modern), or commercial applications, we will accommodate your needs. For your window replacement needs, we offer tilt-pak, replacement windows, insert replacement windows. Complete window units for new construction and remodel replacements are available. We are always ready to take the necessary time to help you make an informed decision. Feel confident that you will purchase the best window that fits your application and your budget. This includes guiding you for measurements, style, color, and hardware.

Our qualified sales associates are here to assist you to find the right door, which includes entry, patio, swing, or sliding door, to fit your budget. We have doors on display in our sample showroom in different species of wood and fiberglass. If we do not have it on display, it is available in a catalogue. If it is not available in a catalogue(s), we can help you design a door built to your exact specifications and needs. You dream it and we will design it.

Interior doors are available in many species of wood (i.e. Knotty Alder, Maple, Mahogany, Cherry, Fir & Pine, etc.) We have the same door styles available in MDF, hollow core and solid core Masonite. The majority of styles can be purchased in single units, double units, dutch units and slabs only. All doors may be purchased in a variety of paint-grade or stain-grade jambs (with or without casing). Stop by our showroom of samples to see what we have on display or pick up a catalogue.

We have listed below a sampling of manufacturers' brands below that we partner with. So, if you do not see a brand that you are looking for, please call or email us for more information. We have doors and windows that will fit all your needs.


Estimates will include:

  • All Products
  • Freight Charges
  • Taxes
  • Discount Builders Supply Delivery (if requested)
  • Estimated Delivery Time

Discount Builders Supply
1695 Mission Street
San Francisco, Ca 94103




We have windows to meet all your needs; wood clad, fiberglass, and all vinyl. For you window replacement needs, we sell tilt-pak replacement windows, insert replacement windows, and complete window units for new construction.

Our trained window experts will help guide you through your window selection process. We will find a window within your budget to accommodate your needs. Our extensive window selection includes; Energy Efficient Windows, Sliding Windows, Single Hung Windows, Double Hung Windows, Casement Windows, Arch & Radius Windows, Bay & Bow windows, and Awning Windows.
  • Wood Clad Windows
  • Vinyl Windows
  • Fiberglass Windows
  • Aluminum Windows
  • Steel Windows


When looking to invest in a new door or replacing an existing door, one of the choices you'll need to make is the material(s) it is made of. In today's door market, there are many options. The most popular choices: wood, fiberglass, and steel.

Commercial and Residential entry doors are primarily manufactured in wood, insulated steel, and fiberglass. Some doors are produced with other composite materials as well. Sliding can be produced in vinyl, aluminum, or in a exterior clad material. Our wide selection doors include; Interior doors, Exterior doors, Sliding doors, Patio doors, French doors, Entry, Entry way, Double entry doors, Bi-fold doors, Louvered doors, Closet doors, Pantry doors, Fire rated doors, and retractable screen doors.

  • Wood Doors
  • French Doors
  • Steel Doors
  • Fiberglass Doors
  • Patio Doors
  • Aluminum Clad Wood Doors
  • Glass Doors with Wood, Fiberglass, or Steel


Look for these brands and more at your local Discount Builders Supply store.