Contractor License Proof

Keystone CM Partners Inc

Licensed

Verified against CSLB on · View on CSLB

License details

License number
1155919
Status
Active
Classifications
B · General Building
Contractor bond
$25,000
Workers' comp
ExemptNo employees — not a red flag.
License term on file
May 28, 2026 – May 31, 2028

Business

  • (707) 344 6734 (CSLB public record)
  • 2365 HAGEN OAKS DR, Alamo, CA 94507Contra Costa County

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Frequently asked questions

Is Keystone CM Partners Inc licensed in California?

Yes. Keystone CM Partners Inc holds an active California state contractor license (CSLB #1155919), verified against the CSLB public record on June 17, 2026.

What is Keystone CM Partners Inc's CSLB license number?

Keystone CM Partners Inc's California contractor license number is 1155919. 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 Keystone CM Partners Inc licensed for?

Keystone CM Partners Inc is classified under General Building (B) by the CSLB.

How do I verify Keystone CM Partners Inc's license myself?

Look up license #1155919 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 June 17, 2026.

Verify it yourself: How to verify a California contractor license · Look up #1155919 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.