Seng's Plumbing, C-36 Plumbing Contractor in Richmond, CA
Seng's Plumbing operating as a sole owner holds California contractor license #1040968, which is currently expired (lapsed Jun 30, 2026) and not valid to contract until it is renewed. First issued in 2018, the license has been on the CSLB roster for 8 years. It carries a single CSLB classification: C-36 — Plumbing Contractor. Records show an active surety bond on file with Business Alliance Insurance Company and an exempt workers' compensation status (no employees on payroll). The business is based in Richmond, in Contra Costa County, California.
- License Number
- 1040968
- Issued
- Jun 21, 2018
- Status
- CLEAR
- Expires
- Jun 30, 2026
- Entity
- Sole Owner
- Surety
- Business Alliance Insurance Company
- Bond Number
- G19033210376
- Effective
- Oct 12, 2025
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Feb 19, 2025
- Expires
- —
This contractor has a compliance issue in its public CSLB record:
- License expired
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Seng's Plumbing licensed in California?
Seng's Plumbing previously held California Contractors State License Board license number 1040968, but the license expired on June 30, 2026 and is not currently valid. It was first issued on June 21, 2018.
What does Seng's Plumbing specialize in?
Seng's Plumbing is licensed for one CSLB classification: C-36 Plumbing Contractor.
Where is Seng's Plumbing headquartered?
Seng's Plumbing is headquartered at 4011 Barrett Ave, Richmond, CA 94805, in Contra Costa County, California.
Does Seng's Plumbing have an active surety bond on file with CSLB?
Yes. Seng's Plumbing has an active California contractor surety bond filed with Business Alliance Insurance Company.
Does Seng's Plumbing carry workers' compensation coverage?
Seng's Plumbing reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Seng's Plumbing's contractor license?
You can verify Seng's Plumbing's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1040968.
- License issuedJun 21, 2018
- WC coverage startsFeb 19, 2025
- Bond activeOct 12, 2025
- License expiredJun 30, 2026
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