Costco Clarkston Gas Prices
301 5th St, Clarkston, WA 99403
Warehouse #103
Cheapest in Washington
Today's pump prices
per gallon
Regular Unleaded
$4.099Premium Unleaded
$4.499Diesel
$4.999Prices last refreshed — always verify at the pump.
30-day price trend
RegularPremiumDiesel
Costco Clarkston Gas Station Hours
- Monday6AM – 10PM
- Tuesday6AM – 10PM
- Wednesday6AM – 10PM
- Thursday6AM – 10PM
- Friday6AM – 10PM
- Saturday6AM – 8:30PM
- Sunday6AM – 7:30PM
A current Costco membership card is required to fuel up. Hours may differ on holidays — confirm at the warehouse before a long drive.
Costco Clarkston Warehouse Hours
- Monday10AM – 8:30PM
- Tuesday10AM – 8:30PM
- Wednesday10AM – 8:30PM
- Thursday10AM – 8:30PM
- Friday10AM – 8:30PM
- Saturday9:30AM – 7PM
- Sunday10AM – 6PM
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