Contractor License Proof

Robo One Plumbing Corporation

Licensed

Verified against CSLB on · View on CSLB

License details

License number
639506
Status
Active
Classifications
A · General EngineeringC-34 · PipelineC-36 · PlumbingC-42 · Sanitation System
Contractor bond
$25,000
Workers' comp
Covered
License term on file
March 14, 1992 – September 30, 2026

Business

  • (909) 721 0085 (CSLB public record)
  • P O BOX 310686, Fontana, CA 92331San Bernardino County

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Frequently asked questions

Is Robo One Plumbing Corporation licensed in California?

Yes. Robo One Plumbing Corporation holds an active California state contractor license (CSLB #639506), verified against the CSLB public record on June 17, 2026.

What is Robo One Plumbing Corporation's CSLB license number?

Robo One Plumbing Corporation's California contractor license number is 639506. 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 Robo One Plumbing Corporation licensed for?

Robo One Plumbing Corporation is classified under General Engineering (A), Pipeline (C-34), Plumbing (C-36), and Sanitation System (C-42) by the CSLB.

How do I verify Robo One Plumbing Corporation's license myself?

Look up license #639506 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 #639506 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.