Costco Gas in Richland, WA
1 station in Richland, Washington
Costco Gas Hours in Richland
Richland has 1 Costco gas station. Weekday hours are typically 6 AM to 10 PM. Sunday hours are 6 AM–7:30 PM. Membership is required at the pump. Costco gas is TOP TIER™ certified, meeting enhanced detergent standards recommended by most major automakers.