Costco Gas Prices in Eau Claire, Wisconsin
Eau Claire · Warehouse #1664
1420 BLACK AVENUE, Eau Claire, Wisconsin 54703-1354
Prices updated: August 18, 2026 at 6:00 PM
Regular
$3.849
PRICE PER GALLON
Press
Premium
$4.649
PRICE PER GALLON
Press
Current gas prices at Costco #1664
This Costco gas station is located at 1420 BLACK AVENUE in Eau Claire, Wisconsin. The latest reported fuel prices are regular at $3.849/gal, premium at $4.649/gal. Prices were last updated on August 18, 2026 at 6:00 PM.
Get directions to this Costco gas station30-Day Price History
30-day change
Regular
$3.849+0.150 (4.1%)
Premium
$4.649+0.050 (1.1%)
DateRegPrem
Aug 18, 6:00 PM$3.849$4.649
Aug 18, 4:00 PM$3.899$4.999
Aug 17, 4:00 PM$3.899$4.699
Aug 16, 5:00 PM$3.839$4.699
Aug 15, 5:00 PM$3.749$4.699
Aug 15, 5:00 AM—$4.699
Aug 15, 4:00 AM$3.749$4.699
Aug 14, 6:00 PM$3.629$4.899
Aug 13, 4:00 PM$3.529$4.619
Aug 12, 4:00 PM$3.629$4.429
Aug 8, 9:00 PM—$4.429
Aug 8, 8:00 PM$3.629$4.429
Aug 8, 3:00 PM$3.649$4.449
Aug 7, 4:00 PM$3.699$4.649
Aug 6, 4:00 PM$3.749$4.649
Jul 31, 4:00 PM$3.749$4.699
Jul 28, 5:00 PM$3.849$4.699
Jul 25, 6:00 AM—$4.699
Jul 25, 5:00 AM$3.849$4.699
Jul 24, 4:00 PM$3.839$4.699
Jul 23, 4:00 PM$3.799$4.699
Jul 23, 12:00 AM—$4.699
Jul 22, 11:00 PM$3.799$4.699
Jul 22, 4:00 PM$3.799$4.599
Jul 21, 3:00 PM$3.699$4.599