Utility Billing

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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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 Pay Bill   Instructions    Register for Online Portal
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 Start or Stop Service

  Go BLUE by conserving water   How to read your bill


Telephone Payments

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).

City Payment Drop-Off Box

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 Thursday and from 8:00 a.m. - 4:45 p.m. on 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.

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