Want up-to-the minute alerts and information about what to do in an emergency? Register for the Contra Costa County Community Warning System (CWS).
The CWS is a partnership of the Office of the Sheriff, the Health Services Department, other government agencies, industry, news media and the non-profit Community Awareness & Emergency Response (CAER) organization, all striving to deliver time-sensitive and potentially life-saving information to the people of Contra Costa County.
Sign up for texts, social media alerts, emails, or your preferred communication method to be notified of the latest information in the event of a natural disaster, shelter-in-place order, missing person alert, or other urgent event. To register or learn more about the system, click this link.