Design Windows and Doors Inc. Affiliates

Professional Organizations:

AAMA Installation Masters Certified
AAMA Installation Masters Certified indicates that a contractor has completed their training course and verifies that they are a capable door and window installers.
Certified Contractors Network
Selecting a reputable contractor can be challenging. For this reason, Certified Contractors Network provides homeowners with a variety of resources to help them choose the best contractor for their contracting job. Contractors that are members of CCN are the best in their industry and are committed to providing customers with superior quality of work and an exceptional contracting experience.


PrintReleaf is the world's first platform that automatically converts our paper footprint into actual trees. As we print, we actively replant trees in forests that need it most around the world. With PrintReleaf, resources borrowed from the earth can be returned and multiplied after use. Through their verified reforestation process, they guarantee 100% net survival of the trees we plant.

Manufacturer Certifications:

Milgard Certified Dealer
As a Milgard Certified Dealer, you can trust that your new Milgard Windows and Doors will be installed to the manufacturer's exacting standards.
Simonton Premier Dealer
Simonton Premier Dealer
Simonton Premier Dealers are certified by Simonton as a contractor that you can trust to provide excellent workmanship and customer service. Very few Simonton Dealers earn this distinction.

our service area

We serve the following areas

Our Locations:

Design Windows and Doors Inc.
504 S Mountain Ave
Ontario, CA 91762