# DG Commercial Plumbing

DG Commercial Plumbing is a fire sprinkler company based in Corona, California. It holds an active CSLB C-16 Fire Protection Contractor license (No. 1156742) 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 |
|---|---|---|---|
| 1156742 | CSLB C-16 Fire Protection Contractor | June 30, 2028 | active |

## Contact and locations

- Phone: 951-400-5060
- Primary location: 2445 Railroad St Unit C, Corona, CA 92878 (Riverside County)
- Also known as: The Plumbing Company Of Southern California Inc

## Verify

Search 1156742 at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/CheckLicense.aspx to confirm current status.

More companies in Corona: https://plumbregistry.com/fire-protection/california/corona/

_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._