Gladiator Sewer and Drain Masters, C-36 Plumbing Contractor in Oakland, CA
Gladiator Sewer and Drain Masters operating as a sole owner holds California contractor license #644424, which is currently expired (lapsed May 31, 2026) and not valid to contract until it is renewed. First issued in 1992, the license has been on the CSLB roster for 34 years. It carries a single CSLB classification: C-36 — Plumbing Contractor. Records show an active surety bond on file with Merchants Bonding Company (mutual) and an exempt workers' compensation status (no employees on payroll). The business is based in Oakland, in Alameda County, California.
- License Number
- 644424
- Issued
- May 8, 1992
- Status
- CLEAR
- Expires
- May 31, 2026
- Entity
- Sole Owner
- Surety
- Merchants Bonding Company (mutual)
- Bond Number
- 100409547
- Effective
- Apr 4, 2024
- 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 Gladiator Sewer and Drain Masters licensed in California?
Gladiator Sewer and Drain Masters previously held California Contractors State License Board license number 644424, but the license expired on May 31, 2026 and is not currently valid. It was first issued on May 8, 1992.
What does Gladiator Sewer and Drain Masters specialize in?
Gladiator Sewer and Drain Masters is licensed for one CSLB classification: C-36 Plumbing Contractor.
Where is Gladiator Sewer and Drain Masters headquartered?
Gladiator Sewer and Drain Masters is headquartered at P O Box 7153, Oakland, CA 94601, in Alameda County, California.
Does Gladiator Sewer and Drain Masters have an active surety bond on file with CSLB?
Yes. Gladiator Sewer and Drain Masters has an active California contractor surety bond filed with Merchants Bonding Company (mutual).
Does Gladiator Sewer and Drain Masters carry workers' compensation coverage?
Gladiator Sewer and Drain Masters reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Gladiator Sewer and Drain Masters's contractor license?
You can verify Gladiator Sewer and Drain Masters's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=644424.
- License issuedMay 8, 1992
- Bond activeApr 4, 2024
- WC coverage startsFeb 19, 2025
- License expiredMay 31, 2026
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