Preferred Plumbing & Drain
California licence 848878 · Corporation
Also known as Graves 6 Inc
5600 Imhoff Dr Ste C, Concord, CA 94520
CLEAR
39 days to renewal
Classifications
Bond and insurance
- Contractor bond
- $25,000
- Merchants Bonding Company (Mutual) · #101486094
- Workers' compensation
- Employers Assurance Company
- Expires October 1, 2026
Licence timeline
- Issued
- October 26, 2004
- Expires
- October 31, 2026
- Registry updated
- November 25, 2025
Contra Costa County · estimating tools for California steel work