Customer Testimonial from Ontario, CA

"Dear Design Windows & Doors,
My overall experience with everyone associated with your company is & was, exceptionally GREAT! You made what "could be" a stressful endeavor, Easy and Less Tense. The friendly service throughout every phase of this process is greatly appreciated. P.S. I love my new Windows and Doors."

- Wendy H. of Ontario, CA
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Our Locations:

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