The Benton County Treasurer's Office has opened the drop boxes outside both the Prosser Courthouse and the Kennewick Annex for property tax payments. The dro...

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 the latest. If you do ...