Costa Mesa hurricane guide¶
Costa Mesa is a coastal city in Orange County. The city's Be Storm Ready page tells residents to know the flooding potential around their home and never to walk, swim, or drive through flood waters. The city's Office of Emergency Management runs its alert information.
Checked on October 10, 2026
Every phone number and web address on this page was checked against official sources on that date. Details can change, especially during a storm. Always follow instructions from the City of Costa Mesa. In a life threatening emergency, call 911.
Official website: costamesaca.gov
What to know in Costa Mesa¶
- The city says to use caution when driving in heavy rain, never drive around barricades, and not to walk, swim, or drive through flood waters.
Emergency and information numbers¶
| Service | Number | Notes |
|---|---|---|
| City Hall | 714-754-5000 | Office line. Not for emergencies. |
| Police Department | 714-754-5252 | For police matters that are not emergencies. After hours line. |
| Public works | 714-754-5323 | Office line. Not for emergencies. |
Official alerts and information¶
- Costa Mesa Emergency Alerts: How the city sends alerts, including a text opt in. Sign up before a storm. Website.
- Costa Mesa Be Storm Ready: The city's storm and flooding safety page. Website.
County services that cover Costa Mesa¶
Orange County manages evacuation zones, evacuation centers, and emergency alerts for everyone who lives in Costa Mesa. The Orange County guide has the full list of county numbers, radio stations, and recovery help.
- Official list of open evacuation centers
- Alert OC: Free alerts by text, email, or phone. Sign up before a storm. Website.
- ReadyOC text alerts: The county's ReadyOC page on text alerts. Website.
Related guides¶
- Should I evacuate?
- What to expect at a hurricane shelter
- Hurricane supply list
- After a hurricane: the first 24 hours
- Insurance claims and disaster aid
Sources¶
Checked on October 10, 2026. If a number or address here is wrong, please tell us at Keith@KMyers.me.
- https://www.costamesaca.gov/government/departments-and-divisions/office-of-emergency-management/emergency-preparedness/be-storm-ready
- https://www.costamesaca.gov/community/about/contact-city-hall
- https://www.costamesaca.gov/government/departments-and-divisions/police
- https://www.costamesaca.gov/government/departments-and-divisions/public-works
- https://www.costamesaca.gov/government/departments-and-divisions/the-office-of-emergency-management/costa-mesa-emergency-alerts