Keystone Contracting Inc
California licence 472670 · Corporation
5455 Diaz Street, Irwindale, CA 91706
CLEAR
617 days to renewal
Classifications
Bond and insurance
- Contractor bond
- $25,000
- American Contractors Indemnity Company · #SC6348444
- Workers' compensation
- State National Insurance Company Inc
- Expires January 1, 2027
Licence timeline
- Issued
- April 25, 1985
- Expires
- May 31, 2028
- Registry updated
- August 7, 2026
Los Angeles County · estimating tools for California steel work