Cornerstone Construction & Maintenance CORP, B General Building Contractor in South San Francisco, CA
Cornerstone Construction & Maintenance CORP operating as a corporation holds an active California contractor license (CSLB #700207), valid through Jul 31, 2027. First issued in 1994, the license has been on the CSLB roster for 32 years. It carries a single CSLB classification: B — General Building Contractor. Records show an active surety bond on file with American Contractors Indemnity Company and an exempt workers' compensation status (no employees on payroll). The business is based in South San Francisco, in San Mateo County, California.
- License Number
- 700207
- Issued
- Dec 13, 1994
- Status
- CLEAR
- Expires
- Jul 31, 2027
- Entity
- Corporation
- Surety
- American Contractors Indemnity Company
- Bond Number
- SC1045646
- Effective
- Jan 1, 2023
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Jul 16, 2025
- 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 Cornerstone Construction & Maintenance CORP licensed in California?
Yes. Cornerstone Construction & Maintenance CORP holds California Contractors State License Board license number 700207, which is active and in good standing. The license was first issued on December 13, 1994. It is valid through July 31, 2027.
What does Cornerstone Construction & Maintenance CORP specialize in?
Cornerstone Construction & Maintenance CORP is licensed for one CSLB classification: B General Building Contractor.
Where is Cornerstone Construction & Maintenance CORP headquartered?
Cornerstone Construction & Maintenance CORP is headquartered at 160 El Rancho Dr, South San Francisco, CA 94080, in San Mateo County, California.
Does Cornerstone Construction & Maintenance CORP have an active surety bond on file with CSLB?
Yes. Cornerstone Construction & Maintenance CORP has an active California contractor surety bond filed with American Contractors Indemnity Company.
Does Cornerstone Construction & Maintenance CORP carry workers' compensation coverage?
Cornerstone Construction & Maintenance CORP reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Cornerstone Construction & Maintenance CORP's contractor license?
You can verify Cornerstone Construction & Maintenance CORP's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=700207.
- License issuedDec 13, 1994
- Bond activeJan 1, 2023
- WC coverage startsJul 16, 2025
- License expiresJul 31, 2027
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