Costco Gas Prices in Sequim, Washington
Sequim · Warehouse #639
955 W WASHINGTON ST, Sequim, Washington 98382-3266
Prices updated: July 22, 2026 at 10:00 PM
Regular
$5.299
PRICE PER GALLON
Press
Premium
$5.799
PRICE PER GALLON
Press
Current gas prices at Costco #639
This Costco gas station is located at 955 W WASHINGTON ST in Sequim, Washington. The latest reported fuel prices are regular at $5.299/gal, premium at $5.799/gal. Prices were last updated on July 22, 2026 at 10:00 PM.
Get directions to this Costco gas station30-Day Price History
30-day change
Regular
$5.299−0.060 (1.1%)
Premium
$5.799−0.160 (2.7%)
DateRegPrem
Jul 22, 10:00 PM$5.299$5.799
Jul 20, 5:00 PM$5.199$5.799
Jul 18, 7:00 PM—$5.799
Jul 18, 6:00 PM$5.199$5.799
Jul 15, 4:00 PM$5.299$5.799
Jul 9, 10:00 PM$5.199$5.799
Jul 7, 4:00 PM$5.299$5.899
Jul 6, 4:00 PM$5.339$5.959
Jul 2, 11:00 PM$5.359$5.959
Jul 2, 4:00 PM$5.359$5.859
Jun 27, 9:00 PM—$5.859
Jun 27, 8:00 PM$5.359$5.859
Jun 27, 3:00 PM$5.399$5.899
Jun 26, 9:00 PM$5.399$5.959
Jun 24, 10:00 PM$5.359$5.959
Jun 24, 7:00 PM—$5.959
Jun 24, 6:00 PM$5.359$5.959