Costco Richland Gas Prices
3125 Queensgate Drive, Richland, WA 99352
Warehouse #1718 · 8th cheapest of 33 in Washington
8th cheapest of 33 in Washington
Prices last refreshed — always verify at the pump.
30-day price trend
Located at 3125 Queensgate Drive in Richland, Washington, this Costco gas station opened on August 8, 2025. 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 $0.15 over the past two weeks, from $5.099 two weeks ago. Premium has climbed about $0.33 and diesel has eased about $0.04 over the same period.
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Frequently asked questions
What are the gas station hours at Costco Richland?
The Costco Richland 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 Richland right now?
Current pump prices at Costco Richland are regular at $5.249 USD per gallon, premium at $5.699 USD per gallon, and diesel at $6.539 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 Richland gas station located?
Costco Richland is at 3125 Queensgate Drive, Richland, WA 99352. The gas pumps are on the warehouse property — look for the Costco fuel canopy near the parking lot.
When did the Costco Richland warehouse open?
The Costco Richland warehouse in Richland, Washington opened on August 8, 2025.
What other services does Costco Richland offer besides gas?
Beyond the gas station, Costco Richland 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 Richland?
Yes — Diesel fuel is sold at Costco Richland, currently at $6.539 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.