Contractor License Proof

Mahaffey Don H Drilling Co

Licensed

Verified against CSLB on · View on CSLB

License details

License number
139513
Status
Active
Classifications
A · General EngineeringHAZ · Hazardous Substance Removal Certification
Contractor bond
$25,000
Workers' comp
Covered
License term on file
July 14, 1953 – August 31, 2026

Business

  • (310) 668 2030 (CSLB public record)
  • 1800 SOUTH ALAMEDA STREET, Compton, CA 90221Los Angeles County

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Frequently asked questions

Is Mahaffey Don H Drilling Co licensed in California?

Yes. Mahaffey Don H Drilling Co holds an active California state contractor license (CSLB #139513), verified against the CSLB public record on June 17, 2026.

What is Mahaffey Don H Drilling Co's CSLB license number?

Mahaffey Don H Drilling Co's California contractor license number is 139513. 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 Mahaffey Don H Drilling Co licensed for?

Mahaffey Don H Drilling Co is classified under General Engineering (A) and Hazardous Substance Removal Certification (HAZ) by the CSLB.

How do I verify Mahaffey Don H Drilling Co's license myself?

Look up license #139513 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 #139513 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.