• 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 provide reliable and relevant financial information and quality financial services in an efficient, ethical, and effective manner to the citizens of Sonoma County while promoting fiscal responsibility and accountability.

    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
    Auditor-Controller-Treasurer-Tax Collector Badge  

    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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