Thank you for updating your billing account contact information.

Please contact us if you have additional questions.

Automated 24 hour phone service at 1-877-637-3661.
Call Center Hours (Live Representative Available) 8am – 5pm, M-F at 1-877-637-3661.
Web-Chat Hours 8am – 5pm, M-Thur @ www.lacwaterworks.org

Main Office Administration
1000 South Fremont Avenue
Building A9-E, 4th Floor
Alhambra, CA 91803
7:00 AM - 5:30 PM (M-Th)*

Main Office Cashier
900 South Fremont Avenue
Mezzanine Level
Alhambra, CA 91803
7:00 AM - 5:30 PM (M-Th)*

Malibu Office
23533 West Civic Center Way
Malibu, CA 90265
8:00 AM - 4:30 PM (M-F)*

Antelope Valley Office
260 East Avenue K-8
Lancaster, CA 93535
8:00 AM - 4:30 PM (M-F)*

*Excluding holidays
Please note, MyWAM Online Bill Pay and eBill Notification email addresses are not updated through this process.
To update your MyWAM account, please login to MyWAM.