As of July 9, 2019 all Simi Valley Waterworks District No. 8 customers have a new account number. Customers need to re-register in order to use the online portal to view their bill or make payments.
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Start or Stop Service
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Customers may pay their bills by telephone, 24 hours a day, by calling (855) 288-1492 (toll free).
Pagos Por Telefono
Clientes pueden pagar su cuenta por telefono, 24 horas al dia, llamando al (855) 288-1492 (gratuito).
Mailed and In-Person Payments
If you are a customer of Waterworks District No. 8, you may pay your bill in person at 2929 Tapo Canyon Road, Simi Valley, CA 93063 from 7:45 a.m. - 5:10 p.m., Monday through Friday.
You may also mail your payment to:
City of Simi Valley
Customer Services Division
Post Office Box 511363
Los Angeles, CA 90051-7918
Questions regarding signing up for water service or billing related concerns? Please contact us at (805) 583-6736.