Mahaffey Don H Drilling Co
● Active — license status verified against CSLB public data as of November 6, 2026
| CSLB license | #139513 |
|---|---|
| Classifications | A — General Engineering · HAZ — Hazardous Substance Removal |
| Office of record | 1800 South Alameda Street Compton, CA 90221 Address as listed in the CSLB record — the office of record, not a service-area claim. |
| Phone (CSLB record) | (310) 668-2030 |
| Contractor bond | $25,000 — Arch Insurance Company |
| Workers' comp (CSLB record) | Workers' Compensation Insurance — Travelers Property Casualty Company Of America |
| Business type | Corporation |
| License issued | July 14, 1953 |
| License expires | August 31, 2028 |
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Data source: CSLB public records as of November 6, 2026. License status can change at any time — verify live at CSLB before signing a contract.