Frosio Plumbing
Frosio Plumbing operating as a sole owner is licensed in California under CSLB number 525001. The license was first issued in 1988, putting the business at 38 years on the active CSLB roster. It carries a single CSLB classification: C-36 — Plumbing Contractor. Records show an active surety bond on file with American Contractors Indemnity Company and active workers' compensation coverage from Markel Insurance Company. The business is based in La Mesa, in San Diego County, California.
- License Number
- 525001
- Issued
- Feb 22, 1988
- Status
- CLEAR
- Expires
- Feb 29, 2028
- Entity
- Sole Owner
- Surety
- American Contractors Indemnity Company
- Bond Number
- SC6371320
- Effective
- Jan 1, 2023
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- Markel Insurance Company
- Policy Number
- MWC024250601
- Effective
- Oct 1, 2025
- Expires
- Oct 1, 2026
This contractor is verified, with no adverse conditions in the current CSLB record.
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Frosio Plumbing licensed in California?
Yes. Frosio Plumbing holds California Contractors State License Board license number 525001. The license was first issued on February 22, 1988. It is valid through February 29, 2028.
What does Frosio Plumbing specialize in?
Frosio Plumbing is licensed for one CSLB classification: C-36 Plumbing Contractor.
Where is Frosio Plumbing headquartered?
Frosio Plumbing is headquartered at 7815 Tanglerod Lane, La Mesa, CA 91942, in San Diego County, California.
Does Frosio Plumbing have an active surety bond on file with CSLB?
Yes. Frosio Plumbing has an active California contractor surety bond filed with American Contractors Indemnity Company.
Does Frosio Plumbing carry workers' compensation coverage?
Yes. Frosio Plumbing carries active workers' compensation coverage through Markel Insurance Company.
How do I verify Frosio Plumbing's contractor license?
You can verify Frosio Plumbing's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=525001.
- License issuedFeb 22, 1988
- Bond activeJan 1, 2023
- WC coverage startsOct 1, 2025
- WC expiresOct 1, 2026
- License expiresFeb 29, 2028
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