Webproposed supplemental tax rate increase of $0. 49 (2. 37%) per benefit unit, from $20. 87 to $21. 36 based on the february 2024 bay area consumer price index vector control. Websecured tax bills are payable online from 10/2/2024 to 6/30/2025. Most supplemental tax bills are payable online to 6/30/2025. Prior year delinquent tax payments are payable. Webaug 7, 2024 · you can get information about your tax including payment status, submitting a payment by echeck or credit card or get answers to frequently asked questions at. Webjun 7, 2024 · here’s a simple way to understand supplemental tax bills: They are the tax office’s way of “catching up” on taxes owed due to an increase in your property’s value. Web•locate all taxable property in the county and identify the ownership. • establish a value for all property subject to property taxation. •list the value of all property on the. Weba supplemental tax bill reflects any increase in property tax generated by a supplemental “event” (change in ownership or new construction). Property construction or change in property ownership. Pay, look up or download your supplemental bill. Weba supplemental tax bill is issued for the net increase in assessed property value due to a change in ownership or completion of new construction. The bill represents the property.