The Benton County Treasurer's Office has opened the drop boxes outside both the Prosser Courthouse and the Benton County Administration building in Kennewick for property tax payments. The drop boxes are designed for property tax payments made by check.
The drop box Locations are:
Benton County Kennewick Office:
7122 W Okanogan PL #E110, Kennewick, WA 99336
Benton County Prosser Courthouse:
620 Market St, Prosser, WA 99350
Richland City Hall: (will be open by Oct 15, 2024)
625 Swift Blvd, Richland, WA 99352
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