Magnum Plumbing
Magnum Plumbing operating as a sole owner is licensed in California under CSLB number 1149255. It carries 2 CSLB classifications: C-34 Pipeline Contractor and C-36 Plumbing Contractor. Records show an active surety bond on file with Merchants Bonding Company (mutual) and active workers' compensation coverage from Employers Compensation Insurance Company. The business is based in Acton, in Los Angeles County, California.
- License Number
- 1149255
- Issued
- Jan 21, 2026
- Status
- CLEAR
- Expires
- Jan 31, 2028
- Entity
- Sole Owner
- Surety
- Merchants Bonding Company (mutual)
- Bond Number
- 101739437
- Effective
- Jan 7, 2026
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- Employers Compensation Insurance Company
- Policy Number
- EIG635561300
- Effective
- Mar 19, 2026
- Expires
- Mar 19, 2027
This contractor warrants a closer look before contracting:
- License issued less than 2 years ago
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Magnum Plumbing licensed in California?
Yes. Magnum Plumbing holds California Contractors State License Board license number 1149255. The license was first issued on January 21, 2026. It is valid through January 31, 2028.
What does Magnum Plumbing specialize in?
Magnum Plumbing is licensed for 2 CSLB classifications: C-34 Pipeline Contractor and C-36 Plumbing Contractor.
Where is Magnum Plumbing headquartered?
Magnum Plumbing is headquartered at 31768 Indoan Oak Rd, Acton, CA 93510, in Los Angeles County, California.
Does Magnum Plumbing have an active surety bond on file with CSLB?
Yes. Magnum Plumbing has an active California contractor surety bond filed with Merchants Bonding Company (mutual).
Does Magnum Plumbing carry workers' compensation coverage?
Yes. Magnum Plumbing carries active workers' compensation coverage through Employers Compensation Insurance Company.
How do I verify Magnum Plumbing's contractor license?
You can verify Magnum Plumbing's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1149255.
- Bond activeJan 7, 2026
- License issuedJan 21, 2026
- WC coverage startsMar 19, 2026
- WC expiresMar 19, 2027
- License expiresJan 31, 2028
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