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Cornerstone Windows banner - Serving the South Bay for 25 years

We’re happy to report that due to a large backload of installations, we’re unable to contract any new business until early April 2024. We will start returning emails and phone calls on April 1st.

If you’re a current customer with an installation date, please leave a short message and someone will return your call promptly.

Cornerstone Windows & Patio Doors

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Cornerstone Windows will be in touch as soon as possible to discuss your project