Porter John
California licence 974281 · Sole Owner
3347 Walnut Avenue, Concord, CA 94519
CLEAR
647 days to renewal
Classifications
Bond and insurance
- Contractor bond
- $25,000
- Merchants Bonding Company (Mutual) · #100068654
- Workers' compensation
- Exempt
Licence timeline
- Issued
- June 26, 2012
- Expires
- June 30, 2028
- Registry updated
- July 9, 2026
Contra Costa County · estimating tools for California steel work