Secured property taxes in Sonoma County are due by Friday, April 10. Payments made after this date will include a 10% penalty and a $20 administrative fee. Residents can pay online using a free e-check or credit card, by mail, over the phone, or in person.
The U.S. Postal Service now postmarks mail based on when it arrives at a regional processing facility, not when it is dropped off locally. A valid USPS postmark is still required to confirm on-time payment. Visit the Sonoma County Auditor-Controller-Treasurer-Tax Collector website to view and pay your bill, set up monthly payments, or update your address…