Wallace Mark Plumbing
● Active — license status verified against CSLB public data as of November 6, 2026
| CSLB license | #661873 |
|---|---|
| Classifications | C-36 — Plumbing |
| Office of record | 650 Lilac Drive Los Osos, CA 93402 Address as listed in the CSLB record — the office of record, not a service-area claim. |
| Phone (CSLB record) | (559) 359-7348 |
| Contractor bond | $25,000 — Western Surety Company |
| Workers' comp (CSLB record) | Workers' Compensation Insurance — Employers Preferred Insurance Company |
| Business type | Sole Owner |
| License issued | December 28, 1992 |
| License expires | December 31, 2026 |
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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.