Costco Gas Prices in Simi Valley, California
Simi Valley · Warehouse #128
2660 PARK CENTER DR, Simi Valley, California 93065-6207
Prices updated: September 5, 2026 at 1:00 AM
Regular
$5.399
PRICE PER GALLON
Press
Premium
$5.759
PRICE PER GALLON
Press
Diesel
$7.259
PRICE PER GALLON
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Current gas prices at Costco #128
This Costco gas station is located at 2660 PARK CENTER DR in Simi Valley, California. The latest reported fuel prices are regular at $5.399/gal, premium at $5.759/gal, diesel at $7.259/gal. Prices were last updated on September 5, 2026 at 1:00 AM.
Get directions to this Costco gas station30-Day Price History
30-day change
Regular
$5.399+0.140 (2.7%)
Premium
$5.759+0.200 (3.6%)
Diesel
$7.259+0.600 (9.0%)
DateRegPremDiesel
Sep 5, 1:00 AM$5.399$5.759$7.259
Sep 4, 10:00 PM$5.399$5.759$7.299
Sep 4, 9:00 PM$5.399$5.759$7.399
Sep 4, 7:00 PM$5.399$5.759$7.359
Sep 4, 4:00 PM$5.399$5.759$7.299
Sep 3, 8:00 PM$5.399$5.759$7.199
Sep 3, 4:00 PM$5.329$5.699$7.159
Sep 2, 10:00 PM$5.329$5.699$7.099
Sep 2, 3:00 PM$5.299$5.699$7.099
Sep 2, 9:00 AM—$5.699—
Sep 2, 8:00 AM$5.299$5.699$7.099
Sep 1, 9:00 PM$5.299$5.659$6.999
Sep 1, 5:00 PM$5.259$5.599$6.999
Aug 29, 5:00 PM$5.259$5.599$6.899
Aug 28, 10:00 PM$5.259$5.599$6.799
Aug 27, 5:00 PM$5.229$5.599$6.799
Aug 26, 10:00 PM$5.199$5.599$6.799
Aug 26, 3:00 PM$5.259$5.559$6.859
Aug 25, 9:00 PM$5.259$5.559$6.799
Aug 24, 3:00 PM$5.259$5.659$6.799
Aug 23, 4:00 PM$5.199$5.599$6.799
Aug 21, 10:00 PM$5.199$5.559$6.699
Aug 21, 5:00 PM$5.199$5.559$6.599
Aug 19, 4:00 PM$5.199$5.559$6.559
Aug 18, 5:00 PM$5.159$5.559$6.559
Aug 16, 7:00 PM$5.099$5.499$6.499
Aug 15, 6:00 PM$5.099$5.399$6.499
Aug 14, 10:00 PM$5.059$5.399$6.459
Aug 14, 5:00 PM$5.159$5.499$6.459
Aug 13, 8:00 PM$5.159$5.499$6.559
Aug 13, 3:00 PM$5.059$5.399$6.459
Aug 12, 10:00 PM$5.059$5.399$6.559
Aug 12, 3:00 PM$5.059$5.399$6.459
Aug 11, 10:00 PM$5.059$5.399$6.559
Aug 11, 5:00 PM$5.159$5.499$6.559
Aug 10, 9:00 PM$5.159$5.499$6.659
Aug 10, 7:00 PM$5.159$5.599$6.659
Aug 9, 6:00 PM$5.259$5.559$6.659