Contractor License Proof

Masterpiece Windows

Licensed

Verified against CSLB on August 4, 2026 · View on CSLB

License details

License number: 804437
Status: Active
Classifications: C-17 · Glazing
Contractor bond: $25,000
Workers' comp: ExemptNo employees — not a red flag.
License term on file: February 21, 2002 – February 29, 2028

Business

(510) 750 5833 (CSLB public record)
27445 CORONADO STREET, Hayward, CA 94545Alameda County

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What to check next

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Frequently asked questions

Is Masterpiece Windows licensed in California?

Yes. Masterpiece Windows holds an active California state contractor license (CSLB #804437), verified against the CSLB public record on August 4, 2026.

What is Masterpiece Windows's CSLB license number?

Masterpiece Windows's California contractor license number is 804437. Look that number up with the CSLB "Check a License" tool to confirm its current status against the public record yourself.

What kind of work is Masterpiece Windows licensed for?

Masterpiece Windows is classified under Glazing (C-17) by the CSLB.

How do I verify Masterpiece Windows's license myself?

Look up license #804437 with the CSLB "Check a License" tool and compare the status, bond, and workers' compensation details against what's shown on this page. This page reflects the CSLB public record as of August 4, 2026.

Verify it yourself: How to verify a California contractor license · Look up #804437 on CSLB

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See an error in this record? Report incorrect information. Status reflects CSLB data as of the date shown above.