American Water
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Contact Us

Customer Service:
1-888-237-1333 or e-mail at

Customer Service Center Hours of Operation:  Monday through Friday, 7 a.m. to 7 p.m.
Our self-service tool, My H2O Online, is available anytime for account information, payments and turning water service on and off (residential only) at 

In case of EMERGENCY, contact us 24 hours a day, 7 days a week, 365 days a year.
Water emergencies don't keep business hours.  We're available 24/7 to assist you.



Please call the California American Water customer service number for questions or comments about billing, collections, service-related questions, water quality, move-in/move-out notification, changes to your account, water usage and all related matters. 

At California American Water, providing you with the best customer service possible is our priority. If you have an issue that could not be resolved after contacting our Customer Service Center, please feel free to e-mail our President by clicking here.  This forum does not take the place of our Customer Service Center, which must be the first method of customer contact - particularly for issues that need to be addressed immediately. However, if your question, concern or request is still not resolved, you may contact us at this email address, being sure to provide as much information as you can (name, address, account number, type of issue, best contact method, etc.) so that we can better assist you.  

For help with My H2O Online, please call 1-888-237-1333.

California American Water Corporate Headquarters

California American Water Main Offices
Coronado: 619-522-6360
Imperial Beach: 619-522-6400
Larkfield: 707-542-8329
Monterey: 831-646-3287
Rosemead: 626-614-2500
Sacramento: 916-568-4251
Ventura: 805-498-1266

External Affairs
Director: Kevin Tilden 619-522-6362
Central California Manager: Catherine Stedman 831-646-3208
Northern California Manager: Evan Jacobs 707-495-6135
Southern California Manager: Brian Barreto 626-614-2542

Environmental/Water Quality
Central California Manager: Nina Miller 831-646-3269
Northern California Manager: Travis Peterson 916-568-4220
Southern California Manager: Joe Marcinko 805-498-1266 x2817

Holley Joy 619-522-6380
Karen Logan 619-522-6377