Laundromats in Ontario, OR
2 laundromats in and around Ontario, Oregon — check the last-wash time before you set out — most attended stores stop new loads 60–90 minutes before closing, and card-only stores keep no change machine on site.
Clothezline Laundry Card / app payWash & foldAttendant on duty
336 SW 5th St, Ontario, OR 97914-2630
Tip: weekday mornings are the quiet hours — evenings and Sunday afternoons are when every machine is taken. If you have a comforter or sleeping bag, look for a store with 40–80 lb front loaders; a home-size washer will not clean it.