Contractor License Proof

Dittmann Plumbing Inc

Licensed

Verified against CSLB on · View on CSLB

License details

License number
311169
Status
Active
Classifications
C-36 · Plumbing
Contractor bond
$25,000
Workers' comp
Covered
License term on file
October 14, 1975 – September 30, 2026

Business

  • (650) 343 2159 (CSLB public record)
  • 941 SOUTH CLAREMONT STREET, San Mateo, CA 94402San Mateo County

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Frequently asked questions

Is Dittmann Plumbing Inc licensed in California?

Yes. Dittmann Plumbing Inc holds an active California state contractor license (CSLB #311169), verified against the CSLB public record on June 17, 2026.

What is Dittmann Plumbing Inc's CSLB license number?

Dittmann Plumbing Inc's California contractor license number is 311169. 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 Dittmann Plumbing Inc licensed for?

Dittmann Plumbing Inc is classified under Plumbing (C-36) by the CSLB.

How do I verify Dittmann Plumbing Inc's license myself?

Look up license #311169 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 #311169 on CSLB

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