As a homeowner you must to know how important it is to get real information about the home improvement company you hire for to remodel your house. The new windows must add beauty, value, and efficiency to your home. By choosing a wrong contractor you may get in trouble. Bestoff Windows, with over a decade of customer satisfaction, is fully licensed, bonded, and insured. It is no joke when we say we can proudly present you 10 references within a 10 miles radius of your home address (Alameda and Contra Costa only) .

License

LICENSE HELD #769183 (B-General contractor, C-17 Glazing) We also have HIC (Home Improvement Certification). We are among the few window replacement businesses in the Bay Area which has a General Contractor license, as well as Glazing one. This allows us to know more about your house structure, and perform our job properly. For more information visit:
http://www.cscb.ca.gov

Bestoff windows do retrofit type
of installation by the book only.
Our installers typically move through a series of 10 steps to ensure proper installation of your vinyl replacement windows:
1) Remove Operable Sash.
2) Remove Fixed part.
3) Remove Meeting Rail.
4) Insert New Window.
5) Level, Align, and Shim As Necessary.
6) Anchor The Window.
7) Apply Insulation If Necessary.
8) Apply Slope Sill Adapter If Necessary.
9) Caulk Exterior Flush Fin.
10) Apply Interior Trim and Caulk.

Contact us,
our email address is: uswindow@gmail.com

As well as you may use our mailing address:

Bestoff Windows Construction
950 Detroit Avenue #12
Concord, California, 94518

Or you can give us a call at (925)288-9100 for a free in home estimate.