Design Windows and Doors, Inc.
About Us

About Us
Family Owned & Operated


Milgard Certified Dealer


Window & Door Installation + more!

The No. 1 Replacement Windows & Doors Contractor in Ontario, CA
Residential Windows & Doors Experts

At Design Windows & Doors we understand that your time, personal taste, needs and total investment are most important when considering new home windows or home doors. With our assistance, we can help you increase the value, beauty and comfort of your home with new residential windows and doors.

Whether it's your home or rental property, business or multi-unit complex, we can provide you with the very BEST in new home windows and home doors. We believe in providing our customers with the ultimate in customer service and only employ the most professional and skilled window contractors.

Design Windows & Doors offers a large selection of vinyl, aluminum, wood, and fiberglass replacement windows, as well as entry doors, patio doors, french doors, utility doors, vinyl and wood shutters, stained glass doors, pet doors, and more. We service homes in Ontario, Chino, Chino Hills, Corona, Fontana, Glendora, Montclair, Pomona, Laverne, Rancho Cucamonga, Upland, and surrounding areas.

Hero Registered Contractor

We are a HERO Registered Contractor

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