Magnum Plumbing Company INC, C-36 Plumbing Contractor in Oceanside, CA
Magnum Plumbing Company INC operating as a corporation holds California contractor license #1027259, which is currently expired (lapsed Jul 31, 2026) and not valid to contract until it is renewed. First issued in 2017, the license has been on the CSLB roster for 9 years. It carries a single CSLB classification: C-36 — Plumbing Contractor. Records show an active surety bond on file with North River Insurance Company (the) and active workers' compensation coverage from Amtrust Insurance Company. The business is based in Oceanside, in San Diego County, California.
- License Number
- 1027259
- Issued
- May 25, 2017
- Status
- CLEAR
- Expires
- Jul 31, 2026
- Entity
- Corporation
- Surety
- North River Insurance Company (the)
- Bond Number
- 04CF626078
- Effective
- Mar 22, 2024
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- Amtrust Insurance Company
- Policy Number
- KWC1420328
- Effective
- Dec 19, 2025
- Expires
- Dec 19, 2026
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 Magnum Plumbing Company INC licensed in California?
Magnum Plumbing Company INC previously held California Contractors State License Board license number 1027259, but the license expired on July 31, 2026 and is not currently valid. It was first issued on May 25, 2017.
What does Magnum Plumbing Company INC specialize in?
Magnum Plumbing Company INC is licensed for one CSLB classification: C-36 Plumbing Contractor.
Where is Magnum Plumbing Company INC headquartered?
Magnum Plumbing Company INC is headquartered at 2821 Oceanside Blvd Unit H, Oceanside, CA 92054, in San Diego County, California.
Does Magnum Plumbing Company INC have an active surety bond on file with CSLB?
Yes. Magnum Plumbing Company INC has an active California contractor surety bond filed with North River Insurance Company (the).
Does Magnum Plumbing Company INC carry workers' compensation coverage?
Yes. Magnum Plumbing Company INC carries active workers' compensation coverage through Amtrust Insurance Company.
How do I verify Magnum Plumbing Company INC's contractor license?
You can verify Magnum Plumbing Company INC's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1027259.
- License issuedMay 25, 2017
- Bond activeMar 22, 2024
- WC coverage startsDec 19, 2025
- License expiredJul 31, 2026
- WC expiresDec 19, 2026
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