Contractor License Proof

Maier Jonathan Plumbing Contractor

Licensed

Verified against CSLB on · View on CSLB

License details

License number
838000
Status
Active
Classifications
Contractor bond
$25,000
Workers' comp
ExemptNo employees — not a red flag.
License term on file
May 11, 2004May 31, 2028

Business

  • (510) 220 4376 (CSLB public record)
  • 1310 DERBY STREET, Berkeley, CA 94702Alameda County

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Frequently asked questions

Is Maier Jonathan Plumbing Contractor licensed in California?

Yes. Maier Jonathan Plumbing Contractor holds an active California state contractor license (CSLB #838000), verified against the CSLB public record on June 17, 2026.

What is Maier Jonathan Plumbing Contractor's CSLB license number?

Maier Jonathan Plumbing Contractor's California contractor license number is 838000. 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 Maier Jonathan Plumbing Contractor licensed for?

Maier Jonathan Plumbing Contractor is classified under Plumbing (C-36) by the CSLB.

How do I verify Maier Jonathan Plumbing Contractor's license myself?

Look up license #838000 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 #838000 on CSLB

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