CoCoCWS
CWS is a partnership of government, industry, media, and the CAER group. The Community Warning System (CWS) is a comprehensive, integrated system for alerting people in Contra Costa County to imminent threats to their life or health. CWS capabilities include:
-Sirens near major industrial facilities and in other special safety zones
-Countywide telephone notification system
-NOAA Weather Radio
-Ra
11/23/2025
Concord PD: ALL CLEAR near Ward Way in Concord. More at CWSAlerts.com.
This is a message from Concord Police. An 'ALL CLEAR' has been issued for the lockdown near Ward Way in Concord. Please feel free to resume normal activities.
(1914446)
For more information go to: http://www.CWSAlerts.com
11/23/2025
Concord PD: Lockdown due to Law Enforcement Activity in CONCORD. More at CWSAlerts.com.
This is a message from Concord Police. There is currently law enforcement activity in the 2500-2600 block or Ward Way in Concord. People in this area are advised to LOCKDOWN IN THE NEAREST PLACE OF SAFETY. Go inside, close and lock all windows and doors. Stay off the phone and do not call 9 1 1 unless you need to report a life-threatening emergency. Stay indoors until you receive further official instructions.
(1914432)
For more information go to: http://www.CWSAlerts.com
10/23/2025
ALL CLEAR in the Diablo Plaza area of Walnut Creek. More: CWSAlerts.com.
8:20 pm This is a message from the CONTRA COSTA FIRE PROTECTION DISTRICT. An 'All Clear' has been issued for the shelter in place incident in the Diablo Plaza area of Walnut Creek. Feel free to resume normal activities.
(1265392)
For more information go to: http://www.cwsalerts.com
10/23/2025
Shelter in Place near Mount Diablo Plaza in Walnut Creek. More: CWSAlerts.com.
6:33 pm This is a message from the CONTRA COSTA FIRE PROTECTION DISTRICT. An electric vehicle fire is causing extremely hazardous smoke to emit from the Mount Diablo Plaza parking garage. The danger will be much less indoors. If you are near the Mount Diablo Plaza garage, go inside, and close all windows and doors. Turn off all heaters, air conditioners, and fans. Unless you are using your fireplace, close your fireplace dampers and vents. Cover any cracks around doors or windows with tape or damp towels. Stay off the phone unless you need to report a life-threatening emergency at your location. Remain sheltered indoors until you receive further official instructions. Electric vehicle fires can burn for long periods of time.
(1265385)
For more information go to: http://www.cwsalerts.com
07/21/2025
ALL CLEAR for Lockdown due to Law Enforcement Activity in DANVILLE. More info CWSAlerts.com.
This is a message from The DANVILLE POLICE DEPARTMENT. As of 2:50am, an ALL CLEAR has been issued for the LOCKDOWN due to law enforcement activity for residents in DANVILLE. Please feel free to resume your normal activities.
(1259822)
For more information go to: http://www.CWSAlerts.com
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1850 Muir Road
Martinez, CA
Opening Hours
| Monday | 9am - 5pm |
| Tuesday | 9am - 5pm |
| Wednesday | 9am - 5pm |
| Thursday | 9am - 5pm |
| Friday | 9am - 5pm |