Flood Preparedness

Overview

Who to Contact

For Zone 7 issues, call 925-454-5000 during normal business hours (Monday-Friday, 8 a.m. to 5 p.m.). After hours, call 925-447-6704. Note that you may be referred to one of the agencies below, if appropriate. In an emergency, call 911.

Visit our Contact Us page for additional contact information.