Contractor License Proof

Cornerstone Construction Service Inc

Licensed

Verified against CSLB on · View on CSLB

License details

License number
980455
Status
Active
Classifications
B · General BuildingC-29 · MasonryC-8 · Concrete
Contractor bond
$25,000
Workers' comp
Covered
License term on file
January 17, 2013 – January 31, 2027

Business

  • (909) 985 6766 (CSLB public record)
  • 1845 W. 9TH ST, Upland, CA 91786San Bernardino County

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Frequently asked questions

Is Cornerstone Construction Service Inc licensed in California?

Yes. Cornerstone Construction Service Inc holds an active California state contractor license (CSLB #980455), verified against the CSLB public record on June 17, 2026.

What is Cornerstone Construction Service Inc's CSLB license number?

Cornerstone Construction Service Inc's California contractor license number is 980455. 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 Cornerstone Construction Service Inc licensed for?

Cornerstone Construction Service Inc is classified under General Building (B), Masonry (C-29), and Concrete (C-8) by the CSLB.

How do I verify Cornerstone Construction Service Inc's license myself?

Look up license #980455 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 #980455 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.