Costco Gas Prices in Oconomowoc, Wisconsin
Oconomowoc · Warehouse #1803
1855 KIRKLAND WAY, Oconomowoc, Wisconsin 53066-4457
Prices updated: July 21, 2026 at 1:00 PM
Regular
$3.999
PRICE PER GALLON
Press
Premium
$5.999
PRICE PER GALLON
Press
Current gas prices at Costco #1803
This Costco gas station is located at 1855 KIRKLAND WAY in Oconomowoc, Wisconsin. The latest reported fuel prices are regular at $3.999/gal, premium at $5.999/gal. Prices were last updated on July 21, 2026 at 1:00 PM.
Get directions to this Costco gas station30-Day Price History
30-day change
Regular
$3.999no change
Premium
$5.999no change
DateRegPrem
Jul 21, 1:00 PM$3.999$5.999
Jul 20, 1:00 PM—$5.999
Jul 20, 12:00 PM$3.999$5.999
Jul 20, 6:00 AM—$5.999
Jul 20, 5:00 AM$3.999$5.999
Jul 19, 12:00 AM—$5.999
Jul 18, 11:00 PM$3.999$5.999
Jul 15, 4:00 AM—$5.999
Jul 15, 3:00 AM$3.999$5.999