HAFFNER MECHANICAL SYSTEMS
California contractor license #1023978 · San Diego, San Diego County
License
- License number
- 1023978
- Status
- Clear
- Classifications
- C-36 Plumbing Contractor
- Business type
- Corporation
- Issued
- Feb 22, 2017
- Expires
- Feb 28, 2027
- Workers' compensation
- Workers' Compensation Insurance — Technology Insurance Company Inc
- Contractor's bond
- $25,000 — North River Insurance Company (The)
- DIR public works registration
- Registered through Jun 30, 2027
From the California Contractors State License Board (CSLB) public license file, last updated Mar 19, 2026. Verify license #1023978 on CSLB's License Check.
California public works
HAFFNER MECHANICAL SYSTEMS appears on 1 public works project registered with the California Department of Industrial Relations, for 1 awarding body between 2026 and 2026.
| Date | Project | Awarding body | Role | Contract amount |
|---|---|---|---|---|
| Jun 10, 2026 | CITY HALL RESTROOMS RENOVATION PROJECTPlumbing & restrooms | City of San Marcos | Subcontractor | $1,584,880 |
Most recent 1 of 1. Contract amounts are the whole project's, as the awarding body reported them to DIR (reported since July 2024); a role is "Prime" when the awarding body registered the contractor on the project.
Awarding bodies it works for most
- City of San Marcos · 1 project
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