Mayo Mark Sam, C-36 Plumbing Contractor in Agua Dulce, CA
Mayo Mark Sam operating as a sole owner holds California contractor license #656466, which is currently expired (lapsed Oct 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 American Contractors Indemnity Company and a previously-filed workers' compensation policy with National Fire Insurance Company of Hartford that is no longer active. The business is based in Agua Dulce, in Los Angeles County, California.
- License Number
- 656466
- Issued
- Oct 15, 1992
- Status
- CLEAR
- Expires
- Oct 31, 2026
- Entity
- Sole Owner
- Surety
- American Contractors Indemnity Company
- Bond Number
- 100409025
- Effective
- Jan 1, 2023
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- National Fire Insurance Company of Hartford
- Policy Number
- WC739050323
- Effective
- Oct 30, 2025
- Expires
- Oct 30, 2026
This contractor has a compliance issue in its public CSLB record:
- License expired
- No active workers' comp on file
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Mayo Mark Sam licensed in California?
Mayo Mark Sam previously held California Contractors State License Board license number 656466, but the license expired on October 31, 2026 and is not currently valid. It was first issued on October 15, 1992.
What does Mayo Mark Sam specialize in?
Mayo Mark Sam is licensed for one CSLB classification: C-36 Plumbing Contractor.
Where is Mayo Mark Sam headquartered?
Mayo Mark Sam is headquartered at 33335 Barber Road, Agua Dulce, CA 91390, in Los Angeles County, California.
Does Mayo Mark Sam have an active surety bond on file with CSLB?
Yes. Mayo Mark Sam has an active California contractor surety bond filed with American Contractors Indemnity Company.
Does Mayo Mark Sam carry workers' compensation coverage?
Mayo Mark Sam has a previously-filed workers' compensation policy with National Fire Insurance Company of Hartford that is no longer active.
How do I verify Mayo Mark Sam's contractor license?
You can verify Mayo Mark Sam's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=656466.
- License issuedOct 15, 1992
- Bond activeJan 1, 2023
- WC coverage startsOct 30, 2025
- WC expiredOct 30, 2026
- License expiredOct 31, 2026
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