Costco Gas Prices in Kennewick, Washington
Kennewick · Warehouse #486
8505 W. GAGE BLVD, Kennewick, Washington 99336-8120
Prices updated: July 22, 2026 at 3:00 PM
Regular
$4.599
PRICE PER GALLON
Press
Premium
$5.159
PRICE PER GALLON
Press
Current gas prices at Costco #486
This Costco gas station is located at 8505 W. GAGE BLVD in Kennewick, Washington. The latest reported fuel prices are regular at $4.599/gal, premium at $5.159/gal. Prices were last updated on July 22, 2026 at 3:00 PM.
Get directions to this Costco gas station30-Day Price History
30-day change
Regular
$4.599−0.200 (4.2%)
Premium
$5.159+0.060 (1.2%)
DateRegPrem
Jul 22, 3:00 PM$4.599$5.159
Jul 22, 10:00 AM—$5.159
Jul 22, 9:00 AM$4.599$5.159
Jul 21, 4:00 PM$4.579$5.099
Jul 20, 5:00 PM$4.579$5.079
Jul 19, 4:00 PM$4.589$5.059
Jul 16, 5:00 PM$4.559$4.999
Jul 14, 10:00 PM$4.599$5.099
Jul 10, 5:00 PM$4.629$5.099
Jul 9, 10:00 PM$4.629$5.059
Jul 9, 5:00 PM$4.639$5.059
Jul 7, 11:00 PM$4.699$5.059
Jul 5, 6:00 PM$4.679$4.999
Jul 2, 4:00 PM$4.759$4.999
Jun 30, 5:00 PM$4.769$5.099
Jun 29, 11:00 PM$4.799$5.099