Contractor License Proof

Gruber Plumbing

Licensed

Verified against CSLB on · View on CSLB

License details

License number
619639
Status
Active
Classifications
B · General BuildingC-10 · ElectricalC-36 · PlumbingC-5 · Framing and Rough Carpentry
Contractor bond
$25,000
Workers' comp
ExemptNo employees — not a red flag.
License term on file
May 18, 1991 – May 31, 2027

Business

  • (415) 816 5475 (CSLB public record)
  • P O BOX 5, Moss Beach, CA 94038San Mateo County

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Frequently asked questions

Is Gruber Plumbing licensed in California?

Yes. Gruber Plumbing holds an active California state contractor license (CSLB #619639), verified against the CSLB public record on June 17, 2026.

What is Gruber Plumbing's CSLB license number?

Gruber Plumbing's California contractor license number is 619639. 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 Gruber Plumbing licensed for?

Gruber Plumbing is classified under General Building (B), Electrical (C-10), Plumbing (C-36), and Framing and Rough Carpentry (C-5) by the CSLB.

How do I verify Gruber Plumbing's license myself?

Look up license #619639 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 #619639 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.