Cornerstone Construction & Maintenance Corp
South San Francisco, California 94080
License Details
- License Number
- 700207
- State
- CA
- Type
- B
- Class
- B
- Issued
- Dec 13, 1994
- Expires
- Jul 31, 2027
- Trade
- General Contractor
Bond & Insurance
- Bond Amount
- $25,000
- Bond Status
- Active
- Workers' Comp
- Exempt
Contact
- Phone
- (415) 999-5151
Data from CSLB. Last verified: May 2, 2026.