Central Collections
Established in 1972, the Central Collections unit maximizes Sonoma County’s revenue by collecting delinquent accounts. These accounts include Unsecured Delinquent Taxes, Delinquent Transient Occupancy Taxes, Delinquent Cannabis Business Taxes, Human Services Overpayments, Health Services Accounts, and Abatement Penalties & Permit Fees, along with other types of collections referred by County departments as necessary. Revenue recovered by Central Collections is credited back to the originating department.
The Central Collections unit will work with departments to evaluate delinquent accounts and determine effective collection methods. When necessary, Central Collections will pursue legal action to recover public funds.
Contact Information
The Central Collections Unit can be contacted for assistance using the information below during normal business hours, Monday through Friday from 9:00 a.m. until 5:00 p.m.
- In Person: 585 Fiscal Drive, Suite 100, Santa Rosa, CA 95403
- Email: CentralCollections@sonomacounty.gov
- Phone: (707) 565-2817
- Mail: P.O. Box 3569, Santa Rosa, CA 95402
Payment Options - In Person & By Mail
The following payment options apply to all debt types/accounts listed on your statement. Please make checks payable to County of Sonoma.
- Pay in Person: 585 Fiscal Drive, Suite 100, Santa Rosa, CA 95403
Public Lobby Hours: Monday – Friday, 9:00 AM - 5:00 PM - Pay by Mail: PO Box 3569, Santa Rosa, CA 95402
Payment Options for Delinquent Unsecured Tax
Online payments can be made for Delinquent Unsecured Tax using the information below. These accounts will have a 12-digit assessment number listed on your statement under the account information header. See example below where arrows are pointing.

Pay Online: https://sonomacounty.gov/acttc/pay-your-property-tax-bill-online
- Click View and Pay Property Taxes Online.
- In the grey search bar, leave the Roll Year to the defaulted current year.
- Change the Search by dropdown to ASSESSMENT.
- Enter the assessment number listed on your statement as a 12-digit number with no spaces or dashes.
- Click the blue SEARCH button.
- Select the View Details link in the box for the tax year you wish to pay.
- Proceed through the steps on the website.
*Please note that partial payments cannot be made online for delinquent unsecured tax.
If you have questions regarding valuation of your unsecured property, please contact the Sonoma County Assessor's Office at (707) 565-1888.
Payment Options for Other Debt Types
Online and phone payments can be made for all other debt types using the information below.
Pay Online: Heartland Payment Services
- Enter the account number for the collection account you wish to pay for
- Enter the amount you will be paying. The bill can be paid in full, or a partial payment can be accepted.
- Click the add button. To add additional account payments, select Search Again
- When ready to pay, click the pay button and proceed with completing the required information
Pay by Phone: (866) 706-5719
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