# 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.

## California Contractors State License Board licenses

| License | Type | Expires | Status |
|---|---|---|---|
| 1040694 | CSLB C-16 Fire Protection Contractor | September 30, 2028 | active |

## Contact and locations

- Phone: 626-708-1550
- Primary location: West Covina, CA 91790 (Los Angeles County)

## Verify

Search 1040694 at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/CheckLicense.aspx to confirm current status.

More companies in West Covina: https://plumbregistry.com/fire-protection/california/west-covina/

_Source: California Contractors State License Board (CSLB) licensee records (https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/CheckLicense.aspx), retrieved October 24, 2026. Published by Plumb Registry._