California · find a service

Pay your water bill in California

Water providers, official payment portals and billing help.

In California, 123 city governments, 1 county department and 1 special district publish 131 official links for this service, 3 of them online. Reviewed requirements cover availability notices (14), payment methods (8), eligibility (2) and appointments (1). 32 counties have a page for it below.

Before you start · 2 things to check

Match the utility name on your bill before choosing a payment link. Service areas may cover only part of a county.
Payment options and any processing charges are set by the utility. CountyWiki does not collect account details or payments.

3 guides with reviewed service links · Ventura

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Highlighted counties have a reviewed service guide matching this selection. An agency may serve only a city or part of a county.

California58 counties

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U.S. Census boundaries via U.S. Atlas · 2017 edition, simplified for display.

City government · Ventura

Oxnard municipal service information and referrals

Water billing referrals

Water provider and billing information — Oxnard (Utility Billing)Official instructions

Find Oxnard information and provider instructions for this topic. Check the listed location, customer and programme limits.

Service area: Oxnard municipal information/referral context; the linked provider’s actual service and eligibility limits apply Area details & sources

Source checked October 26, 2026

City of Oxnard · Oxnard — Utility Billingmonetization_on municipal information (opens in a new tab)

Reviewed task-specific main content under Utility Billing; information landing only

For all non-billing related questions about water service, please use the City’s 311 app or call the Water Division at (805) 385-8136.

Saved evidence: e4e37719754e05a0 · Agent source review

Full guide, contact details & sources →

City government · Ventura

San Buenaventura (Ventura) municipal service information and referrals

Water billing referrals

Water provider and billing information — San Buenaventura (Ventura) (Billing)Official instructions

Find San Buenaventura (Ventura) information and provider instructions for this topic. Check the listed location, customer and programme limits.

Service area: San Buenaventura (Ventura) municipal information/referral context; the linked provider’s actual service and eligibility limits apply Area details & sources

Source checked October 26, 2026

City of San Buenaventura (Ventura) · San Buenaventura (Ventura) — Ventura Water Billing municipal information (opens in a new tab)

Reviewed task-specific main content under Billing; information landing only

Ventura Water customers can pay their water bills using the following options:

Saved evidence: 4fdafe9d9e9340bf · Agent source review

Full guide, contact details & sources →

City government · Ventura

Simi Valley municipal service information and referrals

Water billing referrals

Water provider and billing information — Simi ValleyOfficial instructions

Find Simi Valley information and provider instructions for this topic. Check the listed location, customer and programme limits.

Service area: Simi Valley municipal information/referral context; the linked provider’s actual service and eligibility limits apply Area details & sources

Published local instructions and limits; confirm the named provider and programme

Waterworks District No. 8 customers may pay water bills by phone 24 hours a day by calling (805) 583-6300.

Official information checked October 26, 2026 · Details & sources

Source checked October 26, 2026

City of Simi Valley · Simi Valley — Utility Billing municipal information (opens in a new tab)

Reviewed task-specific main content under Utility Billing | City of Simi Valley, CA; information landing only

The City of Simi Valley offers several payment options for water utility bills.

Saved evidence: c4da3dd09b7cfab4 · Agent source review

Full guide, contact details & sources →

Pay your water bill in California

Oxnard municipal service information and referrals

San Buenaventura (Ventura) municipal service information and referrals

Simi Valley municipal service information and referrals

Pay your water bill by county