Emergency Public Information

Contra Costa County offers our residents many ways to keep up to date on information in an emergency.

Contra Costa County also maintains Community Warning System that allows you to register for alerts by email, telephone, or text message in the event of a possible threat to your safety. Sign up for Warning System alerts, and find out about the sirens that are operational in parts of the County.

Many of our offices use social media to connect with residents in both emergencies and non-emergency situations. Visit our registry of social media sites in the County and follow those that interest you.

The state and federal governments provide a wide range of emergency information as well.

Visit the State's Office of Emergency Services for tips and updated information regarding emergencies throughout California.

Stay on top of the latest incidents throughout the nation by visiting the Federal Emergency Management Association website.