Costco Gas Prices in Fullerton, California
Fullerton · Warehouse #418
900 S HARBOR BLVD, Fullerton, California 92832-3025
Prices updated: July 22, 2026 at 12:00 PM
Regular
$5.159
PRICE PER GALLON
Press
Premium
$5.499
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 $5.159/gal, premium at $5.499/gal. Prices were last updated on July 22, 2026 at 12:00 PM.
Get directions to this Costco gas station30-Day Price History
30-day change
Regular
$5.159+0.560 (12.2%)
Premium
$5.499+0.600 (12.2%)
DateRegPrem
Jul 22, 12:00 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
Jul 12, 5:00 PM$4.659$5.069
Jul 11, 5:00 PM$4.699$5.079
Jul 10, 5:00 PM$4.759$5.099
Jul 9, 4:00 PM$4.749$5.099
Jul 8, 9:00 PM$4.699$5.099
Jul 8, 4:00 PM$4.699$5.079
Jul 7, 11:00 PM$4.699$4.999
Jul 7, 5:00 PM$4.659$4.959
Jul 4, 8:00 PM$4.559$4.859
Jul 4, 1:00 AM$4.459$4.759
Jul 3, 4:00 PM$4.399$4.699
Jun 30, 5:00 PM$4.439$4.739
Jun 29, 5:00 PM$4.459$4.759
Jun 28, 4:00 PM$4.479$4.779
Jun 26, 10:00 PM$4.499$4.799
Jun 26, 3:00 PM$4.529$4.829
Jun 24, 3:00 PM$4.549$4.849
Jun 23, 4:00 PM$4.569$4.869
Jun 22, 4:00 PM$4.599$4.899