Alameda County Property Tax Updated Office Hours - 6/26/2025

The Alameda County Tax Collector's office will have new office hours effective July 1, 2025. Our office hours will be 8:30 a.m. to 4:30 p.m. Monday through Friday.

During state-mandated deadlines, our office will remain open until 5:00 p.m. These dates include: 

  • April 10
  • June 30
  • August 31
  • December 10
  • The day before the auction (date to be determined)