Costco Seattle Gas Prices
4401 4th Ave S, Seattle, WA 98134
Warehouse #1 · 28th cheapest of 33 in Washington
28th cheapest of 33 in Washington
Prices last refreshed — always verify at the pump.
30-day price trend
Located at 4401 4th Ave S in Seattle, Washington, this Costco gas station opened on September 15, 1983 and has been serving members for over 42 years. Gas station hours at Costco Seattle are 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.
Regular pump prices at this station have eased about $0.58 over the past month, from $5.459 a month ago. Premium has eased about $0.66 over the same period.
Costco Seattle 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 Seattle Warehouse Hours
- Monday10AM – 8:30PM
- Tuesday10AM – 8:30PM
- Wednesday10AM – 8:30PM
- Thursday10AM – 8:30PM
- Friday10AM – 8:30PM
- Saturday9:30AM – 7PM
- Sunday10AM – 6PM
Services at this warehouse
Departments & programs
Station map
Click the marker to open in Google Maps for directions.