Diamond Plumbing and Rooter, C-36 Plumbing Contractor in Concord, CA
Diamond Plumbing and Rooter operating as a corporation holds California contractor license #1019643, which is currently expired (lapsed Jul 31, 2026) and not valid to contract until it is renewed. First issued in 2016, the license has been on the CSLB roster for 10 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Indemnity Company and a previously-filed workers' compensation policy with Norguard Insurance Company that is no longer active. The business is based in Concord, in Contra Costa County, California.
- License Number
- 1019643
- Issued
- Oct 20, 2016
- Status
- CLEAR
- Expires
- Jul 31, 2026
- Entity
- Corporation
- Surety
- American Contractors Indemnity Company
- Bond Number
- 100492839
- Effective
- Jan 1, 2023
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- Norguard Insurance Company
- Policy Number
- HAWC696843
- Effective
- May 24, 2025
- Expires
- May 24, 2026
This contractor has a compliance issue in its public CSLB record:
- License expired
- No active workers' comp on file
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Diamond Plumbing and Rooter licensed in California?
Diamond Plumbing and Rooter previously held California Contractors State License Board license number 1019643, but the license expired on July 31, 2026 and is not currently valid. It was first issued on October 20, 2016.
What does Diamond Plumbing and Rooter specialize in?
Diamond Plumbing and Rooter is licensed for one CSLB classification: C-36 Plumbing Contractor.
Where is Diamond Plumbing and Rooter headquartered?
Diamond Plumbing and Rooter is headquartered at 1416 La Vista Ave, Concord, CA 94521, in Contra Costa County, California.
Does Diamond Plumbing and Rooter have an active surety bond on file with CSLB?
Yes. Diamond Plumbing and Rooter has an active California contractor surety bond filed with American Contractors Indemnity Company.
Does Diamond Plumbing and Rooter carry workers' compensation coverage?
Diamond Plumbing and Rooter has a previously-filed workers' compensation policy with Norguard Insurance Company that is no longer active.
How do I verify Diamond Plumbing and Rooter's contractor license?
You can verify Diamond Plumbing and Rooter's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1019643.
- License issuedOct 20, 2016
- Bond activeJan 1, 2023
- WC coverage startsMay 24, 2025
- WC expiredMay 24, 2026
- License expiredJul 31, 2026
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