Jeff Y.
9/6/2025
If you need new windows and sliding doors, I highly suggest BestOff Windows. Sergey and his team provided professional, punctual, and experienced window installation at a significantly lower cost...
BestOff Windows Inc
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1000 Detroit Ave Ste S
Concord, CA 94518
BestOff Windows Inc is a company based in Concord, CA that specializes in providing window installation services for residential and commercial properties.
With a focus on quality craftsmanship and customer satisfaction, BestOff Windows Inc offers a range of window options to enhance the aesthetic and functionality of any building.
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Reviews
4.5270 reviewsEddie U.
12/7/2025
Extremely pleased with the project done for my house in Walnut creek this summer by Bestoff Windows . Everything looks great and I'm saving money on PG&E bills with my new dual pane energy...
Sam L.
12/22/2025
Much Thanks to BestOff Windows for the professional expertise and painless process of installing 10 replacement windows and 1 sliding patio door to my home. Sergey the proprietor is the one to...
Theresa L.
12/11/2025
Got the windows and slider that I needed replaced for a reasonable price. Installation went well and I am still happy I chose BestOff over a year later.
Matt S.
6/1/2025
These guys were a pleasure to work with. They came out and reviewed the situation, gave me information I didn't consider, and worked with me on pricing and payment timelines. Would happily do...
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