Fire sprinkler
Weisong Liang
Weisong Liang is a fire sprinkler company based in West Covina, California. It holds an active CSLB C-16 Fire Protection Contractor license (No. 1040694) 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 |
|---|---|---|---|
| 1040694 | CSLB C-16 Fire Protection Contractor | September 30, 2028 | 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: West Covina, CA 91790 · Los Angeles County
Other licensed companies in West Covina
Brito Fire Protection Inc
Fire sprinkler 1 active license
Globe Fire Protection Inc
Fire sprinkler 1 active license
United Fire & Safety Corp
Fire sprinkler 1 active license
United Fire & Safety Service Corp
Fire sprinkler 1 active license
All 5 companies in West Covina →
Source: California Contractors State License Board (CSLB) licensee records, retrieved October 24, 2026. Machine-readable: JSON · Markdown.