Contra Costa — Emergency alert guide
The official CWS page currently directs new registrations to phone or email assistance while its portal is under maintenance. See the contact details and availability notice.
- Availability · Local programme guidance
- The official CWS page currently asks new subscribers to email CWSstaff@so.cccounty.us or call 925-655-0111 during portal maintenance. Recheck the current notice before registering.
Source & saved evidence
Contra Costa County · Contra Costa — current emergency alert current-signup (opens in a new tab)
Local programme guidance / maintenance
The CWS registration portal is currently down for maintenance. If you would like to sign up for CWS emergency alerts, please email CWSstaff@so.cccounty.us or call 925-655-0111.
Agent source review: October 15, 2026 · Snapshot
90bd11246293a239
Source & saved evidence
Contra Costa County · Contra Costa — current emergency alert current-signup (opens in a new tab)
Official programme entry / exact actual URL
Community Warning System Registration
Agent source review: October 15, 2026 · Snapshot 90bd11246293a239
Shared California preparedness guidance. Review the state instructions and the current local programme.
Before you start · 3 requirements & conditions
- Eligibility & access · Shared California preparedness guidance — places
- Register in the places where you live, work or regularly spend time.
Source & saved evidence
State preparedness guidance / places
You should sign up for emergency alerts in the places where you live, work, or regularly spend time.
Agent source review: October 15, 2026 · Snapshot
6858e99a104ceb70 - Accessibility · Shared California preparedness guidance — channels
- Available channels vary by programme; state guidance includes calls, texts, email and in some cases TTY devices.
Source & saved evidence
State preparedness guidance / channels
When you sign up, you can choose how to get alerts sent to you, including cell phone, home phone, email, text messages, and in some cases, TTY devices.
Agent source review: October 15, 2026 · Snapshot
6858e99a104ceb70 - Languages · Shared California preparedness guidance — languages
- Language availability varies. Review the county programme’s current options and the state guide’s explanation of common alert words.
Source & saved evidence
State preparedness guidance / languages
Some alert systems may not always be able to send alerts in the language you speak.
Agent source review: October 15, 2026 · Snapshot
6858e99a104ceb70
Source & saved evidence
Official state preparedness page heading
About Local Emergency Alerts
Agent source review: October 15, 2026 · Snapshot 6858e99a104ceb70
Shared California preparedness guidance. Review the state instructions and the current local programme.
- Availability · Shared California preparedness guidance — quake-limit
- Earthquake early warnings may arrive during or after shaking. They do not guarantee advance notice.
Source & saved evidence
State preparedness guidance / quake-limit
In some cases people may receive an alert once they feel shaking or after an earthquake passes.
Agent source review: October 15, 2026 · Snapshot
f605ad9bd7a8d64a
Source & saved evidence
Official state preparedness page heading
Types of Alerts
Agent source review: October 15, 2026 · Snapshot f605ad9bd7a8d64a