Costco Gas Prices in Union Gap, Washington
Union Gap · Warehouse #1013
2310 LONGFIBRE RD, Union Gap, Washington 98903-1513
Prices updated: July 22, 2026 at 5:00 PM
Regular
$4.299
PRICE PER GALLON
Press
Premium
$4.759
PRICE PER GALLON
Press
Current gas prices at Costco #1013
This Costco gas station is located at 2310 LONGFIBRE RD in Union Gap, Washington. The latest reported fuel prices are regular at $4.299/gal, premium at $4.759/gal. Prices were last updated on July 22, 2026 at 5:00 PM.
Get directions to this Costco gas station30-Day Price History
30-day change
Regular
$4.299−0.030 (0.7%)
Premium
$4.759−0.140 (2.9%)
DateRegPrem
Jul 22, 5:00 PM$4.299$4.759
Jul 22, 8:00 AM—$4.759
Jul 22, 7:00 AM$4.299$4.759
Jul 19, 4:00 PM$4.199$4.659
Jul 16, 5:00 PM$4.099$4.559
Jul 10, 5:00 PM$4.159$4.559
Jul 9, 6:00 PM—$4.559
Jul 9, 5:00 PM$4.159$4.559
Jul 6, 9:00 PM$4.159$4.499
Jul 3, 4:00 PM$4.059$4.459
Jun 29, 4:00 PM$4.159$4.559
Jun 27, 9:00 PM—$4.559
Jun 27, 8:00 PM$4.159$4.559
Jun 25, 9:00 PM$4.259$4.659
Jun 25, 7:00 PM$4.329$4.799
Jun 23, 9:00 PM$4.329$4.899