Required, on file
California contractor license bond
$25,000
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From $200/yr
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COSENTINO PLUMBING & BACKFLOW SERVICES
General building and plumbing contractor in San Bruno, San Mateo County. CA license #291550
B · General Building
C36 · Plumbing
- Licensed since
- 197452 years
- Entity
- Sole ownerSan Bruno, CA
- License bond
- $25,000On file
- Workers' comp
- ExemptNo employees reported
- Discipline
- NoneOn public record
Trusted by
License and compliance history
Source: CSLB public license data
- 1974License issued, B General BuildingIssued Feb 20, 1974. Sole owner. Classifications on record: B, C36.
- 2026License bond of $25,000 on fileCurrent bond effective Feb 12, 2026.
- NowExempt from workers' compThe contractor reported having no employees.
- NowLicense expiration on recordFeb 29, 2028.
- NowNo disciplinary actionsNone on CSLB public record as of Apr 8, 2026.
Insurance a B / 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 B and C36 contractors
All California bondsSan Mateo County
Subdivision Tax Bond
Set by the permit
Issued for work in San Mateo 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 COSENTINO PLUMBING & BACKFLOW SERVICES
What work can COSENTINO PLUMBING & BACKFLOW SERVICES do with a B license?
CSLB records list B (General Building) and C36 (Plumbing) on this license, so COSENTINO PLUMBING & BACKFLOW SERVICES can take work in each of those classifications.
Does COSENTINO PLUMBING & BACKFLOW SERVICES have a contractor license bond?
Yes. CSLB records show a $25,000 contractor license bond on file as of Apr 8, 2026.
Does COSENTINO PLUMBING & BACKFLOW SERVICES carry workers' compensation?
CSLB records show COSENTINO PLUMBING & BACKFLOW SERVICES as exempt: the contractor reported having no employees. Ask again if they bring a crew.
How current is this information?
License, bond and comp data were last checked against CSLB on Apr 8, 2026. 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 Apr 8, 2026 |
|---|---|---|
| Workers' compensation | CSLB workers' comp records | Verified Apr 8, 2026 |