Contractor License Proof

Mammoth Concrete Pumping

Licensed

Verified against CSLB on · View on CSLB

License details

License number
890640
Status
Active
Classifications
D-06 · Concrete-Related Services
Contractor bond
$25,000
Workers' comp
ExemptNo employees — not a red flag.
License term on file
February 5, 2007 – April 30, 2028

Business

  • (760) 914 0812 (CSLB public record)
  • 874 LEE STREET, Bishop, CA 93514Inyo County

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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 Mammoth Concrete Pumping licensed in California?

Yes. Mammoth Concrete Pumping holds an active California state contractor license (CSLB #890640), verified against the CSLB public record on June 17, 2026.

What is Mammoth Concrete Pumping's CSLB license number?

Mammoth Concrete Pumping's California contractor license number is 890640. 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 Mammoth Concrete Pumping licensed for?

Mammoth Concrete Pumping is classified under Concrete-Related Services (D-06) by the CSLB.

How do I verify Mammoth Concrete Pumping's license myself?

Look up license #890640 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 #890640 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.