Gray Matter Concrete Design
California licence 865851 · Sole Owner
3 Gary Way, Fairfax, CA 94930
CLEAR
404 days to renewal
Classifications
Bond and insurance
- Contractor bond
- $25,000
- American Contractors Indemnity Company · #100900682
- Workers' compensation
- Amguard Insurance Company
- Expires January 28, 2027
Licence timeline
- Issued
- October 15, 2005
- Expires
- October 31, 2027
- Registry updated
- April 20, 2026
Marin County · estimating tools for California steel work