GroundRosterWidner Arthur GroverLicensed
| Name | Widner Arthur Grover |
| License number | 528518 |
| License type | Well Drilling Contractor (C-57) |
| License status | Active — CSLB license CLEAR |
| License expires | 2026-12-31 |
| Location | Valley Center, California 92030 |
| Phone | (760) 801-1679 |
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What this license covers
- Drilling / construction: licensed to bore, case, complete, and plug water wells.
How to verify this license
We publish this listing exactly as it appears in California's official licensing records; we do not vouch for the business itself. Before hiring, look up license #528518 directly with the state, confirm it is still active, and ask for a current certificate of insurance.
Source: California Contractors State License Board (CSLB), last checked 2026-08-17. Verify at the official source.
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