Haffner Mechanical Systems
● Active — license status verified against CSLB public data as of November 6, 2026
| CSLB license | #1023978 |
|---|---|
| Classifications | C-36 — Plumbing |
| Office of record | 5384 Palmyra Ave San Diego CA San Diego, CA 92123 Address as listed in the CSLB record — the office of record, not a service-area claim. |
| Phone (CSLB record) | (858) 775-1910 |
| Contractor bond | $25,000 — North River Insurance Company (the) |
| Workers' comp (CSLB record) | Workers' Compensation Insurance — Technology Insurance Company Inc |
| Business type | Corporation |
| License issued | February 22, 2017 |
| License expires | February 28, 2027 |
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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.