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Bestoff Windows & Construction

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Bestoff Windows and Construction


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Quality work and product

Had the windows in my South San Francisco home replaced, it was a very quality installation. From start to finish I knew Sergey and Bestoff Windows were the right company for me: he was honest and open about the industry and offered me a very competitive quote. Given this company's reputation I had every reason to trust his word and let them take this project. It took them but two weeks to order and install new vinyl windows into my home, thanks guys, it was a significant face-lift to my home.


Provided by Citysearch - 
Best Window Installation company

My San Francisco house needed new windows isntalled, I called Bestoff Windows and they replaced the windows within three weeks of the estimate.
I did research for more than a month, these guys are top of the line, thousands of completed jobs and all give them the highest ratings. Blown away at their friendliness and hard-working attitude too.



Provided by Citysearch - 
Honest company

I got multiple bids to replace aluminum windows in my Pleasant Hill home with retrofit vinyl windows. Bestoff Windows was $200 dollars more expensive than the cheapest bid, but I chose them because of their reputation and good reviews...

This was the best choice, one of the workers even discovered dry rot inside of the frame of a sliding door and took care of it for free. Awesome!

I recommend this company to anyone looking for replacement windows in the east bay.

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Bestoff Windows & Construction

950 Detroit Ave Ste 12ConcordCA 94518

(925) 288-9100

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