About Us

the window works

The Window Works of California has provided central Contra Costa County homeowners with the finest products and professional installation since 1978.


We are the oldest installation company in this area. Our company believes in "Quality" and not quantity or high volume sales.


Our first class installation history is backed by our 90% customer referral rate.This percentage is well beyond the industry standard of 51%. Our customers understand the value of our longevity and integrity. Customer referrals; The Best Form of Advertising!!

Our Ratings

We are proud to have been awarded by Bay Area "Consumers' Checkbook" magazine, (www.checkbook.org ), an "Excellent" rating in "Quality" in their 2000 reader survey, AND to have been rated "Superior" in "Overall Performance" in their 2004 reader survey, AND NOW to have been rated "Superior" AGAIN, in "Overall Performance" over 48 other Bay Area window companies in their October 2015 reader survey!!

Select a contractor as carefully as you would your doctor or lawyer. We are a licensed contractor holding a "B classification (General Building Contractor) and a "C17" specialty classification (Window and Glazing Contractor) giving us the ability to properly install windows and doors, or to alter or create a new opening for a window or door. We are bonded under the new state requirements of $15,000 and carry liability insurance protecting your home. We carry workers compensation insurance to protect YOU from being sued by un-insured workers.


Our qualified installation crews are properly trained from 38 years of local experience. Overall, our entire staff represents over 71 years of construction experience.


In addition to performing the proper procedures to install your windows and doors, our crew can also help move larger furniture, remove mini-blinds, cover and protect furniture and carpets, and remove all job related debris. We can also re-attach burglar alarm contacts in most systems.


Our installers are trained to respect our customer's home and pay close attention to job detail.


Our no pressure, non-commissioned estimators offer free in-home planning and consultation to help you find the best products for your individual needs.

We welcome your call and look forward to making your project a reality!

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