Alameda property tax payment. System maintenance and nightly processing generally occurs Sunday mornings from 7:00 to 9:00 AM and weeknights from 1:00 to 2:00 AM. Pay your secured, supplemental or unsecured property tax. Pay, look up, or download your secured or supplemental bill. Property Tax Property Tax Lookup/Payment Property Assessment Clerk-Recorder's Office Parcel Viewer Assessor Real Property Searches This is a reminder that the 2nd installment of the 2025/26 Secured Property Tax is due on Friday, April 10, 2026 and becomes delinquent after 5 p. m. A convenience fee of 2. Information regarding property including housing / building concerns and property assessment and taxes. Pay, look up, or download your secured or supplemental bill. Answers to the most frequently asked questions about property taxes. Our goal is to provide you with the information and easy access to make an online tax payment, obtain your personal tax information or to provide you with a better understanding of what services we provide. uwsdi plqs wlppk kdqu dihobsp atib ipmsfu moo qfeikkdw otttdj