# Frank Marrone And Sons Inc

Frank Marrone And Sons Inc is a fire sprinkler company based in El Monte, California. It holds an active CSLB C-16 Fire Protection Contractor license (No. 397884) 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 |
|---|---|---|---|
| 397884 | CSLB C-16 Fire Protection Contractor | December 31, 2026 | active |

## Contact and locations

- Phone: 626-444-2548
- Primary location: 9860 Lower Azusa Rd, El Monte, CA 91731 (Los Angeles County)

## Verify

Search 397884 at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/CheckLicense.aspx to confirm current status.

More companies in El Monte: https://plumbregistry.com/fire-protection/california/el-monte/

_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._