Costco Clarkston Gas Prices
301 5th St, Clarkston, WA 99403
Warehouse #103 · Cheapest in Washington
Cheapest in Washington
Prices last refreshed — always verify at the pump.
30-day price trend
Located at 301 5th St in Clarkston, Washington, this Costco gas station opened on July 29, 1993 and has been serving members for over 32 years. The pumps run 6AM – 10PM Monday through Friday, 6AM – 8:30PM on Saturday, and 6AM – 7:30PM on Sunday, while the warehouse itself opens 10AM – 8:30PM on weekdays. Members at this warehouse can also access a food court, a pharmacy, a tire center, an optical department, and hearing aid services. Regular pump prices at this station have climbed about $0.30 over the past two weeks, from $4.299 two weeks ago. Premium has climbed about $0.54 and diesel has climbed about $0.10 over the same period.
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Frequently asked questions
What are the gas station hours at Costco Clarkston?
The Costco Clarkston gas station is open 6AM – 10PM Monday through Friday, 6AM – 8:30PM on Saturday, and 6AM – 7:30PM on Sunday. Hours can change on holidays — check the warehouse page on Costco.com before a long drive.
How much is gas at Costco Clarkston right now?
Current pump prices at Costco Clarkston are regular at $4.599 USD per gallon, premium at $5.199 USD per gallon, and diesel at $5.699 USD per gallon. Prices are pulled from public sources and can change throughout the day — always verify at the pump before fueling.
Where is the Costco Clarkston gas station located?
Costco Clarkston is at 301 5th St, Clarkston, WA 99403. The gas pumps are on the warehouse property — look for the Costco fuel canopy near the parking lot.
When did the Costco Clarkston warehouse open?
The Costco Clarkston warehouse in Clarkston, Washington opened on July 29, 1993.
What other services does Costco Clarkston offer besides gas?
Beyond the gas station, Costco Clarkston also has a food court, a pharmacy, a tire center, an optical department, and hearing aid services. Department hours can differ from the main warehouse — check signage on arrival.
Is Diesel available at Costco Clarkston?
Yes — Diesel fuel is sold at Costco Clarkston, currently at $5.699 USD per gallon. Diesel pumps are typically separate from the regular fuel lanes at Costco gas stations, so look for the Diesel signage on arrival.