Contractor License Proof

Bonetti Frank Plumbing Inc

Licensed

Verified against CSLB on · View on CSLB

License details

License number
251165
Status
Active
Classifications
C-20 · Warm-Air Heating, Ventilating and Air-ConditioningC-34 · PipelineC-36 · PlumbingC-4 · Boiler, Hot-Water Heating and Steam FittingC-42 · Sanitation System
Contractor bond
$25,000
Workers' comp
Covered
License term on file
December 26, 1967 – May 31, 2028

Business

  • (510) 582 0934 (CSLB public record)
  • 20878 RUTLEDGE ROAD, Castro Valley, CA 94546Alameda County

Are you Bonetti Frank Plumbing Inc? Claim this listing to manage it.

Claim this listing

Request a free quote

Tell us about your project and we'll connect you with licensed, verified California contractors.

By submitting, you agree we may share your request with relevant licensed contractors to help with your project. See our Privacy Policy.

Other Warm-Air Heating, Ventilating and Air-Conditioning contractors in Castro Valley

Cheng's Mechanical Contractor

C-20 · Castro Valley, CA

Licensed

Verified June 17, 2026 · Bonded

Sigma HVAC & Electric Inc

C-20 · Castro Valley, CA

Licensed

Verified June 17, 2026 · Bonded

M1 Mechanical Corp

C-20 · Castro Valley, CA

Licensed

Verified June 17, 2026 · Bonded

Various Energy

C-20 · Castro Valley, CA

Licensed

Verified June 17, 2026 · Bonded

Morrison B A

C-20 · Castro Valley, CA

Licensed

Verified June 17, 2026 · Bonded

Specialized Heating & Air Conditioning

C-20 · Castro Valley, CA

Licensed

Verified June 17, 2026 · Bonded

Browse all Warm-Air Heating, Ventilating and Air-Conditioning contractors in Castro Valley

What to check next

How to verify a California contractor licenseRed flags when hiring a contractorLicensed vs. bonded vs. insured — what's the difference?Risks of hiring an unlicensed contractor

Frequently asked questions

Is Bonetti Frank Plumbing Inc licensed in California?

Yes. Bonetti Frank Plumbing Inc holds an active California state contractor license (CSLB #251165), verified against the CSLB public record on June 17, 2026.

What is Bonetti Frank Plumbing Inc's CSLB license number?

Bonetti Frank Plumbing Inc's California contractor license number is 251165. Look that number up with the CSLB "Check a License" tool to confirm its current status against the public record yourself.

What kind of work is Bonetti Frank Plumbing Inc licensed for?

Bonetti Frank Plumbing Inc is classified under Warm-Air Heating, Ventilating and Air-Conditioning (C-20), Pipeline (C-34), Plumbing (C-36), Boiler, Hot-Water Heating and Steam Fitting (C-4), and Sanitation System (C-42) by the CSLB.

How do I verify Bonetti Frank Plumbing Inc's license myself?

Look up license #251165 with the CSLB "Check a License" tool and compare the status, bond, and workers' compensation details against what's shown on this page. This page reflects the CSLB public record as of June 17, 2026.

Verify it yourself: How to verify a California contractor license · Look up #251165 on CSLB

Checking more than one contractor? Verify another license.Verify a license

See an error in this record? Report incorrect information. Status reflects CSLB data as of the date shown above.