Public CSLB records

Robo One Plumbing Corporation

License #639506·Corporation·Fontana, San Bernardino County
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Summary

Robo One Plumbing Corporation operating as a corporation is licensed in California under CSLB number 639506. The license was first issued in 1992, putting the business at 34 years on the active CSLB roster. It carries 4 CSLB classifications: A General Engineering Contractor, C-34 Pipeline Contractor, C-36 Plumbing Contractor, and C-42 Sanitation System Contractor. Records show an active surety bond on file with Western Surety Company and active workers' compensation coverage from Mid-Century Insurance Company. The business is based in Fontana, in San Bernardino County, California.

Business Information
Address
P O Box 310686
Fontana, CA 92331
License Details & Classifications
License Number
639506
Issued
Mar 14, 1992
Status
CLEAR
Expires
Sep 30, 2026
Entity
Corporation
Financial & Insurance Coverage
Contractor Bond
Surety
Western Surety Company
Bond Number
66953204
Effective
Jun 1, 2024
Status
Active
Workers' Compensation
Coverage
Workers' Compensation Insurance
Carrier
Mid-Century Insurance Company
Policy Number
A09527389
Effective
Jan 9, 2026
Expires
Jan 9, 2027
Verified

This contractor is verified, with no adverse conditions in the current CSLB record.

License StatusActive
Contractor BondOn file
Workers' CompensationActive

An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this

Frequently asked questions
Is Robo One Plumbing Corporation licensed in California?

Yes. Robo One Plumbing Corporation holds California Contractors State License Board license number 639506. The license was first issued on March 14, 1992. It is valid through September 30, 2026.

What does Robo One Plumbing Corporation specialize in?

Robo One Plumbing Corporation is licensed for 4 CSLB classifications: A General Engineering Contractor, C-34 Pipeline Contractor, C-36 Plumbing Contractor, and C-42 Sanitation System Contractor.

Where is Robo One Plumbing Corporation headquartered?

Robo One Plumbing Corporation is headquartered at P O Box 310686, Fontana, CA 92331, in San Bernardino County, California.

Does Robo One Plumbing Corporation have an active surety bond on file with CSLB?

Yes. Robo One Plumbing Corporation has an active California contractor surety bond filed with Western Surety Company.

Does Robo One Plumbing Corporation carry workers' compensation coverage?

Yes. Robo One Plumbing Corporation carries active workers' compensation coverage through Mid-Century Insurance Company.

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

You can verify Robo One Plumbing Corporation's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=639506.

Activity Timeline
  1. License issuedMar 14, 1992
  2. Bond activeJun 1, 2024
  3. WC coverage startsJan 9, 2026
  4. License expiresSep 30, 2026
  5. WC expiresJan 9, 2027
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