Cornerstone Builders
California licence 527184 · Sole Owner
1170 Oleander Drive, Lafayette, CA 94549
CLEAR
556 days to renewal
Classifications
Bond and insurance
- Contractor bond
- $25,000
- Business Alliance Insurance Company · #G19033211191
- Workers' compensation
- Exempt
Licence timeline
- Issued
- March 25, 1988
- Expires
- March 31, 2028
- Registry updated
- April 2, 2026
Contra Costa County · estimating tools for California steel work