Fire sprinkler
Hetherington Mechanical & Plumbing
Hetherington Mechanical & Plumbing is a fire sprinkler company based in San Francisco, California. It holds an active CSLB C-16 Fire Protection Contractor license (No. 664033) from the California Contractors State License Board, verified against state records on October 24, 2026.
State license verified October 24, 2026
California Contractors State License Board licenses
| License | Type | Expires | Status |
|---|---|---|---|
| 664033 | CSLB C-16 Fire Protection Contractor | February 28, 2027 | active |
Services
- Fire sprinkler. Design, installation, inspection, testing and maintenance of fire sprinkler systems, including underground fire mains and dwelling systems.
Services are inferred from the company's state licenses. Confirm specific capabilities with the company.
Locations
- Primary: 4200 California Street Ste 111, San Francisco, CA 94118 · San Francisco County
Also known as: Earthquake Enterprises Inc
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Source: California Contractors State License Board (CSLB) licensee records, retrieved October 24, 2026. Machine-readable: JSON · Markdown.