California contractor license
FRANK MARRONE AND SONS INC
- C16 Fire Protection
- C36 Plumbing
FRANK MARRONE AND SONS INC is a C16 Fire Protection and C36 Plumbing contractor in El Monte, Los Angeles County, licensed in California for 45 years (since 1980). As of Oct 1, 2025, the license is active with an expiration date of Dec 31, 2026 on record, a license bond is on file, and permit records show 1–10 permitted projects in the last 3 years.
FRANK MARRONE AND SONS INCC16 Fire Protection · C36 Plumbing · checked Oct 1, 2025
ActiveLicense number#397884
Licensed sinceDec 18, 1980
Years licensed45 years
Expiration on recordDec 31, 2026
City and countyEl Monte, Los Angeles County
License bondOn file
Projects1–10 permitted projects in the last 3 years
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Source: California Contractors State License Board (CSLB) and City of Los Angeles permit records. Last updated Oct 1, 2025.