Contractor License Proof

Sierra Construction

Licensed

Verified against CSLB on · View on CSLB

License details

License number
681123
Status
Active
Classifications
B · General Building
Contractor bond
$25,000
Workers' comp
ExemptNo employees — not a red flag.
License term on file
November 30, 1993 – November 30, 2027

Business

  • (909) 215 4613 (CSLB public record)
  • 320 NORTH MUSCATEL, Ontario, CA 91764San Bernardino County

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What to check next

How to verify a California contractor licenseRed flags when hiring a contractorLicensed vs. bonded vs. insured — what's the difference?Risks of hiring an unlicensed contractor

Frequently asked questions

Is Sierra Construction licensed in California?

Yes. Sierra Construction holds an active California state contractor license (CSLB #681123), verified against the CSLB public record on June 17, 2026.

What is Sierra Construction's CSLB license number?

Sierra Construction's California contractor license number is 681123. 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 Sierra Construction licensed for?

Sierra Construction is classified under General Building (B) by the CSLB.

How do I verify Sierra Construction's license myself?

Look up license #681123 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 #681123 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.