# Peterson Mechanical Inc

Peterson Mechanical Inc is a fire sprinkler company based in Sonoma, California. It holds an active CSLB C-16 Fire Protection Contractor license (No. 171486) 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 |
|---|---|---|---|
| 171486 | CSLB C-16 Fire Protection Contractor | June 30, 2028 | active |

## Contact and locations

- Phone: 707-938-8481
- Primary location: P O Box 450, Sonoma, CA 95476 (Sonoma County)

## Verify

Search 171486 at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/CheckLicense.aspx to confirm current status.

More companies in Sonoma: https://plumbregistry.com/fire-protection/california/sonoma/

_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._