• Glasses and pen on ledger
  • Red House in Bodega
  • Calculator and grapes in the background
  • Taxes

Auditor - Controller - Treasurer
Tax Collector

Donna Dunk
Donna M. Dunk, CPA

Auditor-Controller Treasurer-Tax Collector Donna M. Dunk, CPA, possesses a Bachelor's Degree from Sonoma State University. She has been an actively licensed Certified Public Accountant in California since 1990.

Our mission is to promote public oversight, provide accountability, support financial decision-making and provide quality financial services.

Our vision is to account for the past, direct the present, and shape the future by providing financial information and services that exceed client and stakeholder expectations.

Values: We will demonstrate our commitment to the public, the County, and our employees by:

  • Conducting our business with the highest ethical standards
  • Protecting the public's interest
  • Treating our clients and employees with the utmost respect
  • Striving towards continuous improvement of our services
  • Celebrating the accomplishments of our employees
  • Rewarding innovation
  • Promoting an open and collaborative environment

Find Your Property Tax Information Online

Pay Taxes thumbnail 120The Sonoma County 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.

credit cards

Search for Property Tax Record Information and Pay Taxes
  • Published on July 6, 2015
    Phase 2 of the EFS project is now live!  Learn about what has been accomplished, what training is available and what's next now that we are live.
  • Published on April 22, 2015
    Phase 2 of the EFS project is nearing completion with an expected go-live date of July 1, 2015. Learn about what has been accomplished, what training will be available, and other important information for you as we gear up for go-live.
  • More News
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Contact Information

Auditor–Controller Treasurer–Tax Collector
County of Sonoma
Business Hours
Monday – Friday
8:00 AM – 5:00 PM
585 Fiscal Drive
Suite 100
Santa Rosa, CA 95403
38.465764, -122.725126

Treasurer-Tax Collector
585 Fiscal Drive Suite 100
Santa Rosa, CA 95403
Phone: (707) 565-2631
Fax: (707) 565-3489
Contact Us

Contact Us Directly

Email: Donna M. Dunk, CPA
Auditor - Controller
Treasurer-Tax Collector
Phone: (707) 565-3285

Email: Jonathan Kadlec
Assistant Treasurer-Tax Collector
Phone: (707) 565-6124

Email: Julianne Kamplain
Administrative Services Officer
Phone: (707) 565-3583

Financial Reports

Annual Financial Report

This report offers readers an overview and analysis of the County’s financial activities for the fiscal year ended June 30, 2015.

2014 - 2015 Comprehensive Annual Financial Report

Citizens' Report

This report provides an overview of the County’s financial condition and a brief analysis of where the County revenues come from and where those dollars are spent.

Citizens' Report Fiscal Year 2014 - 2015


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