Spiro Mark F, B General Building Contractor in La Verne, CA
Spiro Mark F operating as a sole owner holds an active California contractor license (CSLB #831013), valid through Jan 31, 2028. First issued in 2004, the license has been on the CSLB roster for 22 years. It carries a single CSLB classification: B — General Building Contractor. Records show an active surety bond on file with North River Insurance Company (the) and an exempt workers' compensation status (no employees on payroll). The business is based in La Verne, in Los Angeles County, California.
- License Number
- 831013
- Issued
- Jan 15, 2004
- Status
- CLEAR
- Expires
- Jan 31, 2028
- Entity
- Sole Owner
- Surety
- North River Insurance Company (the)
- Bond Number
- 04CF613007
- Effective
- Jan 1, 2023
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Feb 27, 2026
- Expires
- —
This contractor warrants a closer look before contracting:
- Workers' comp listed as exempt
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Spiro Mark F licensed in California?
Yes. Spiro Mark F holds California Contractors State License Board license number 831013, which is active and in good standing. The license was first issued on January 15, 2004. It is valid through January 31, 2028.
What does Spiro Mark F specialize in?
Spiro Mark F is licensed for one CSLB classification: B General Building Contractor.
Where is Spiro Mark F headquartered?
Spiro Mark F is headquartered at 6873 Country Club Dr, La Verne, CA 91750, in Los Angeles County, California.
Does Spiro Mark F have an active surety bond on file with CSLB?
Yes. Spiro Mark F has an active California contractor surety bond filed with North River Insurance Company (the).
Does Spiro Mark F carry workers' compensation coverage?
Spiro Mark F reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Spiro Mark F's contractor license?
You can verify Spiro Mark F's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=831013.
- License issuedJan 15, 2004
- Bond activeJan 1, 2023
- WC coverage startsFeb 27, 2026
- License expiresJan 31, 2028
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