Cornerstone Construction & Maintenance Corp

California licence 700207 · Corporation

160 El Rancho Dr, South San Francisco, CA 94080

(415) 999 5151

CLEAR

312 days to renewal

Classifications

Bond and insurance

Contractor bond
$25,000
American Contractors Indemnity Company · #SC1045646
Workers' compensation
Exempt

Licence timeline

Issued
December 13, 1994
Expires
July 31, 2027
Registry updated
July 22, 2025

San Mateo County · estimating tools for California steel work