The Benton County Treasurer's Office has completed the 2019 fiscal year annual citizen centric report. Please take some time to read thro...

The Benton County Treasurer's Office has opened the drop boxes outside both the Prosser Courthouse and the Kennewick Annex for property t...

In response to Covid-19, changes in office hours & services will commence. Click the image below for more details.

The tax levies for the 2020 tax year have been certified. The tax statements will be printed and sent around the middle of February at th...