1965 Placentia Avenue
Costa Mesa, CA 92627

Regular Office Hours:

Monday - Thursday 7:30 a.m. - 5:00 p.m.
Friday 8:00 a.m. - 5:00 p.m.

In case of emergency during after hours, please call 949-631-1200

If you have a water leak or other water related emergency, please press “9” and you will be transferred to the Costa Mesa Police Department for assistance. Or, you may call them directly at 714-754-5251

If you would like to locate someone within our dial-by-name directory, please press # (pound).

For all other non-urgent inquiries, including billing questions or to stop or start water service, please call 949-631-1200 during regular business hours.

Please note: Mesa Water requires a 2-day notice to start or stop water service to your property.

General Information

Media Contact

  • Celeste Carrillo
    Public Affairs Coordinator

Office of the General Manager


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