Costco Gas in Seattle, WA
2 stations in Seattle, Washington
Costco Gas Hours in Seattle
Seattle has 2 Costco gas stations. Weekday hours are typically 6 AM to 8:30 PM. Saturday hours are 7 AM–8:30 PM. Sunday hours are 7 AM–8:30 PM. Membership is required at the pump. Costco gas is TOP TIER™ certified, meeting enhanced detergent standards recommended by most major automakers.
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Costco gas in Seattle: FAQ
How many Costco gas stations are in Seattle, WA?
Seattle has 2 Costco gas stations: 4401 4th Avenue South; 4401 4th Ave S.
What time does Costco gas open in Seattle?
On weekdays, Costco gas in Seattle typically opens at 6 AM and closes at 8:30 PM (based on the hours on file for 2 of 2 stations).
What are Costco gas hours on Sunday in Seattle?
On Sundays, Costco gas in Seattle is typically open 7 AM–8:30 PM (based on the hours on file for 2 of 2 stations).
Do I need a membership to buy Costco gas in Seattle?
Yes. An active Costco membership is required at the pump.