Don H Mahaffey Drilling Co
Verified against CSLB on · View on CSLB
License details
- License number
- 139513
- Classifications
- A · General EngineeringHAZ · Hazardous Substance Removal Certification
- 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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What to check next
Frequently asked questions
Is Don H Mahaffey Drilling Co licensed in California?
Yes. Don H Mahaffey Drilling Co holds an active California state contractor license (CSLB #139513), verified against the CSLB public record on August 4, 2026.
What is Don H Mahaffey Drilling Co's CSLB license number?
Don H Mahaffey 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 Don H Mahaffey Drilling Co licensed for?
Don H Mahaffey Drilling Co is classified under General Engineering (A) and Hazardous Substance Removal Certification (HAZ) by the CSLB.
How do I verify Don H Mahaffey 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 August 4, 2026.
Verify it yourself: How to verify a California contractor license · Look up #139513 on CSLB
See an error in this record? Report incorrect information. Status reflects CSLB data as of the date shown above.