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View and Pay Property Taxes Online

Ownership Changes Backlog

Due to an extraordinary number of ownership changes, the Sonoma County Assessor’s Office is experiencing a significant backlog processing these changes. If you received a tax bill for a property you no longer own, please write “sold” on the bill and return it to our office. Should you need additional assistance please reach out to our office at (707) 565-2281 or

The Auditor-Controller-Treasurer-Tax Collector is pleased to provide you with the capability to obtain property tax information on-line. You may view your tax bill and, if desired, make your property tax payment using a credit card, debit card or E-Check electronic debit from your checking or savings account.

By following this link, you are agreeing to the terms and conditions stated in the Property Tax Online Payments Disclaimer.

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Online Transaction Fees:
-Credit card payments - 2.34% per transaction
-Debit card payments - 2.34% per transaction
-E-Check payments - FREE

Returned Payment Fees:
-A $30 processing fee will be added to any returned payments. This includes, but is not limited to, incorrect account information submitted during payment, non-sufficient funds and submitting account information for closed accounts.
-If the payment is returned after the due date additional tax penalties may apply.

All transaction fees are payable to the payment processing company. The County of Sonoma does not collect these fees.

For additional ways to pay your taxes, please visit our Paying Your Taxes section.

California Mortgage Relief Program and Property Tax Assistance

$1 billion in mortgage relief funds are now available to California homeowners who have fallen behind on housing payments or property taxes during the COVID-19 pandemic. Funds do not have to be paid back and the program is free.
The California Mortgage Relief Program is funded by the 2021 American Rescue Plan Act’s Homeowners Assistance Fund. It was designed to provide assistance to qualified homeowners who have fallen behind on their housing payments or property tax payments due to pandemic-related financial hardships. The program is provided to homeowners through the CalHFA Homeowner Relief Corporation.

Please review our Exemptions and Assistance Programs page or for more information. 

Change of Address Form

The Clerk-Recorder-Assessor's office has produced an online form to process change of mailing address requests.

Assessor's Change of Mailing Address Application

Email Reminders

Use the links below to sign up for email reminders for secured and unsecured property tax due dates.

Enroll in email reminders for Secured Tax Bills (houses, land, etc.)

Enroll in email reminders for Unsecured Tax Bills (business, boats, etc.)

Enroll in E-billing

The Auditor-Controller Treasurer-Tax Collector Office is now offering a paperless Property Tax e-Billing System that allows you to receive your property tax bill by email. Once you subscribe, you’ll receive an e-mail with a link to a copy of your property tax bill. Visit on page on Property Tax e-billing for more information on how to enroll.

Use the link below to enroll in e-billing:

Sign-up for Property Tax e-billing