Costco Gas Prices in Fullerton, California
Fullerton · Warehouse #418
900 S HARBOR BLVD, Fullerton, California 92832-3025
Prices updated: August 11, 2026 at 11:00 PM
Regular
$4.959
PRICE PER GALLON
Press
Premium
$5.259
PRICE PER GALLON
Press
Current gas prices at Costco #418
This Costco gas station is located at 900 S HARBOR BLVD in Fullerton, California. The latest reported fuel prices are regular at $4.959/gal, premium at $5.259/gal. Prices were last updated on August 11, 2026 at 11:00 PM.
Get directions to this Costco gas station30-Day Price History
30-day change
Regular
$4.959+0.260 (5.5%)
Premium
$5.259+0.190 (3.7%)
DateRegPrem
Aug 11, 11:00 PM$4.959$5.259
Aug 11, 10:00 PM$4.959$5.299
Aug 9, 6:00 PM$4.999$5.399
Aug 7, 7:00 PM$5.099$5.479
Aug 5, 8:00 PM$5.179$5.479
Aug 5, 3:00 PM$5.199$5.499
Aug 2, 6:00 PM$5.199$5.599
Aug 1, 6:00 PM$5.259$5.599
Jul 30, 12:00 AM$5.259$5.659
Jul 29, 4:00 PM$5.199$5.599
Jul 25, 3:00 PM$5.199$5.559
Jul 23, 10:00 PM$5.199$5.499
Jul 22, 4:00 PM$5.159$5.499
Jul 21, 4:00 PM$5.099$5.499
Jul 20, 10:00 PM$5.039$5.399
Jul 20, 5:00 PM$4.999$5.359
Jul 18, 3:00 PM$4.959$5.299
Jul 17, 10:00 PM$4.879$5.199
Jul 17, 5:00 PM$4.839$5.189
Jul 16, 4:00 PM$4.799$5.189
Jul 15, 9:00 PM$4.759$5.099
Jul 14, 8:00 PM$4.729$5.059
Jul 13, 11:00 PM$4.699$5.069