Cornerstone Mirror Glass

Based in Desert Hot Springs, Riverside County, Cornerstone Mirror Glass holds California contractor license #1100659, classified C17 (Glazing). The license was active and clear when this listing was compiled.

Window and door contractors replace failed or single-pane units, install new openings in existing walls, and fit entry and patio doors — including the flashing, sealing and interior finish that make the installation weathertight.

Working in the Coachella Valley: Blowing sand and long periods of intense sun are hard on exterior finishes, seals and mechanical equipment, and they shorten maintenance intervals noticeably.

Before you hire any window or door contractor: Ask whether the quote is for a retrofit (insert) or a full-frame installation. Retrofit is faster and cheaper and keeps the existing frame; full-frame removes it and is the only way to address rot or flashing problems you cannot see.

License status can change at any time. Confirm license #1100659 is current, and check bond and workers’ compensation coverage, using the CSLB license lookup before signing a contract or paying a deposit.

This profile was compiled from California State License Board public records and is unclaimed — Cornerstone Mirror Glass has not added its own details. Are you the owner? Claim this listing to add photos, services and a description of your work, or contact us to have it removed.