California note
Thousand Oaks water service starts with the provider map
The city is one of four local water providers and two wastewater providers. Confirm the address before using the city start-or-stop request.
Check the provider before opening a city account. Thousand Oaks is one of four water providers and one of two sewer providers in the Conejo Valley. A home can have city sewer but a different water company.
For city service, use the online start-or-stop form or call 805-449-2201, option 3. The date must be Monday through Thursday and cannot be a holiday. The usual wait is one or two workdays. Call when the change must happen right away.
The form asks for the service address, mailing address, date, and whether you own or rent. It also asks for a name, phone, email, birth date, last four Social Security digits, and last four driver’s-license marks. Add an old city account or address if you had one. A business uses its federal tax ID. The city may add a deposit to the first bill.
The after-hours number, 805-449-2499, is for an urgent water or sewer problem. It is not the normal start-or-stop line.
Where to see it
Thousand Oaks Water and Wastewater Billing page.
Official sources
Official pages
Reviewed July 28, 2026
Current rules, forms, fees, deadlines, maps, and office instructions.
Rules, forms, fees, deadlines, and office procedures can change. Check the current page before you file, pay, or rely on a date.
Connected places
Open the local directory
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