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MARRONE FRANK AND SONS INC
Fire protection and plumbing contractor in El Monte, Los Angeles County. CA license #397884
C16 · Fire Protection
C36 · Plumbing
- Licensed since
- 198045 years
- Entity
- CorporationEl Monte, CA
- License bond
- $25,000On file
- Workers' comp
- CoveredPolicy through Oct 2027
- Permits, 24 months
- 3Los Angeles permits
- Discipline
- NoneOn public record
Trusted by
Permit activity
Source: City of Los Angeles permit records, as ofProject mix, last 24 months
- Plumbing100%
Permits from City of Los Angeles records.
Recent permits
| Issued | Work | City | Status |
|---|---|---|---|
| Mar 5, 2025 | Plumbing, commercial building | Los Angeles | Issued |
| Feb 27, 2025 | Plumbing, commercial building | Los Angeles | Issued |
| Nov 6, 2024 | Plumbing, commercial building | Los Angeles | Issued |
| Sep 3, 2024 | Plumbing, commercial building | Los Angeles | Issued |
| Jan 3, 2024 | Plumbing, single-family home or duplex | Los Angeles | Issued |
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Unlock full historyLicense and compliance history
Source: CSLB public license data
- 1980License issued, C16 Fire ProtectionIssued Dec 18, 1980. Corporation. Classifications on record: C16, C36.
- 2023License bond of $25,000 on fileCurrent bond effective Jan 1, 2023.
- 2026Workers' comp policy on fileAMERICAN ZURICH INSURANCE COMPANY, policy #WC551373313. Effective Oct 1, 2026. Current through Oct 1, 2027.
- NowLicense expiration on recordDec 31, 2026.
- NowNo disciplinary actionsNone on CSLB public record as of Oct 22, 2026.
Insurance a C16 / C36 contractor usually needs
What owners and GCs typically ask for on residential and light commercial jobs
- Workers' compensationCalifornia requires it as soon as a contractor has employees.Get quotes
- General liabilityOwner contracts commonly ask for $1M per occurrence / $2M aggregate, often with additional insured.Get quotes
- Builder's riskNew homes and major rebuilds need it while the structure is going up; the contract says who buys it.Get quotes
- Commercial autoCovers trucks and the trailer hauling materials to each site.Get quotes
Bonds for California C16 and C36 contractors
All California bondsLos Angeles County
Grading Permit Security Bond
Set by the permit
Issued for work in Los Angeles County.
1%, $100 min
Get this bondPublic work
Bid bond
Often 10% of bid
Submitted with a bid on many California public projects.
Free
Get prequalifiedAfter award
Performance and payment bonds
Up to 100% of contract
California public works over $25,000 require a payment bond.
Quoted per project
Get a quoteBonds are underwritten and issued by our surety partner. Rates depend on the applicant's credit and history.
Questions about MARRONE FRANK AND SONS
What work can MARRONE FRANK AND SONS do with a C16 license?
CSLB records list C16 (Fire Protection) and C36 (Plumbing) on this license, so MARRONE FRANK AND SONS can take work in each of those classifications.
Does MARRONE FRANK AND SONS have a contractor license bond?
Yes. CSLB records show a $25,000 contractor license bond on file as of Oct 22, 2026.
Does MARRONE FRANK AND SONS carry workers' compensation?
CSLB shows a workers' comp policy on file, current through October 2027. Ask for a certificate of insurance before work starts.
How current is this information?
License, bond and comp data were last checked against CSLB on Oct 22, 2026, and permits come from City of Los Angeles records. We recheck it periodically.
How this profile is built
BLDAssure compiles this profile automatically from public records and refreshes it periodically. We don't accept payment to change any record.
| License, classifications, bond | California Contractors State License Board | Verified Oct 22, 2026 |
|---|---|---|
| Workers' compensation | CSLB workers' comp records | Verified Oct 22, 2026 |
| Permits | City of Los Angeles permit records | As of Nov 6, 2026 |