Source: https://www.sos.wa.gov/_assets/elections/drop%20boxes%20and%20voting%20centers%207.10.2020.pdf
Douglas County Courthouse Drop Box – 213 S Rainier St, Waterville WA 98858
Mansfield City Hall Drop Box – 26 Main, Mansfield WA 98830
Bridgeport City Hall Drop Box – 1206 Columbia Ave, Bridgeport WA 98813
Rock Island City Hall Drop Box – 5 N Garden, Rock Island WA 98850
Douglas County Law & Justice Center Drop Box – 110 2nd St NE, East Wenatchee WA 98802
Douglas County Public Service Bldg Drop Box – 140 19th Street NW, East Wenatchee WA 98802
Coulee Dam Town Hall – 300 Lincoln Ave., Coulee Dam WA 98116
East Wenatchee City Hall – 271 9th St. NE, East Wenatchee WA 98802