Diablo Rooter, C-36 Plumbing Contractor in Walnut Creek, CA
Diablo Rooter operating as a sole owner holds an active California contractor license (CSLB #510112), valid through May 31, 2027. First issued in 1987, the license has been on the CSLB roster for 39 years. It carries a single CSLB classification: C-36 — Plumbing Contractor. Records show an active surety bond on file with American Contractors Indemnity Company and an exempt workers' compensation status (no employees on payroll). The business is based in Walnut Creek, in Contra Costa County, California.
- License Number
- 510112
- Issued
- May 5, 1987
- Status
- CLEAR
- Expires
- May 31, 2027
- Entity
- Sole Owner
- Surety
- American Contractors Indemnity Company
- Bond Number
- SC930426
- Effective
- Jan 1, 2023
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Apr 23, 2025
- Expires
- —
This contractor warrants a closer look before contracting:
- Workers' comp listed as exempt
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Diablo Rooter licensed in California?
Yes. Diablo Rooter holds California Contractors State License Board license number 510112, which is active and in good standing. The license was first issued on May 5, 1987. It is valid through May 31, 2027.
What does Diablo Rooter specialize in?
Diablo Rooter is licensed for one CSLB classification: C-36 Plumbing Contractor.
Where is Diablo Rooter headquartered?
Diablo Rooter is headquartered at P O Box 4419, Walnut Creek, CA 94596, in Contra Costa County, California.
Does Diablo Rooter have an active surety bond on file with CSLB?
Yes. Diablo Rooter has an active California contractor surety bond filed with American Contractors Indemnity Company.
Does Diablo Rooter carry workers' compensation coverage?
Diablo Rooter reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Diablo Rooter's contractor license?
You can verify Diablo Rooter's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=510112.
- License issuedMay 5, 1987
- Bond activeJan 1, 2023
- WC coverage startsApr 23, 2025
- License expiresMay 31, 2027
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