Contact Us

Visit our office or contact us

Office Closure Information:

The Board of Commissioners passed a resolution today that starting Wednesday, March 18 will be closed to the public.
Beginning on Monday, March 23 all county offices will be closed and will reopen on Monday, April 6. The Recording Department will be available by appointment. For Vehicle Licensing, visit one of our licensing sub-agents.
If you have any questions or need to serve papers to the county, please email auditor@co.benton.wa.us

Prosser.Main Office.

620 Market St

Prosser Office

Contact Information

Office Hours

  • Mondays-Fridays: 8:30 AM - 4:30 PM
  • Saturdays - Sundays: Closed

Kennewick.Sub-Office.

5600 W Canal Dr

Kennewick Office

Contact Information

Office Hours

  • Mondays-Fridays: 8:30 AM - 4:30 PM
  • Saturdays - Sundays: Closed