Costco Gas Prices in San Marcos, California
San Marcos · Warehouse #1080
725 CENTER DRIVE, San Marcos, California 92069-3536
Prices updated: September 5, 2026 at 10:00 PM
Regular
$5.559
PRICE PER GALLON
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Premium
$5.999
PRICE PER GALLON
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Current gas prices at Costco #1080
This Costco gas station is located at 725 CENTER DRIVE in San Marcos, California. The latest reported fuel prices are regular at $5.559/gal, premium at $5.999/gal. Prices were last updated on September 5, 2026 at 10:00 PM.
Get directions to this Costco gas station30-Day Price History
30-day change
Regular
$5.559+0.380 (7.3%)
Premium
$5.999+0.400 (7.1%)
DateRegPrem
Sep 5, 10:00 PM$5.559$5.999
Sep 5, 7:00 PM$5.559$5.959
Sep 3, 9:00 PM$5.499$5.899
Sep 3, 4:00 PM$5.459$5.859
Aug 30, 2:00 PM$5.399$5.799
Aug 28, 8:00 PM$5.359$5.759
Aug 28, 3:00 PM$5.299$5.699
Aug 27, 9:00 PM$5.199$5.699
Aug 27, 3:00 PM$5.259$5.759
Aug 25, 4:00 PM$5.199$5.699
Aug 24, 3:00 PM$5.229$5.629
Aug 23, 3:00 PM$5.199$5.599
Aug 22, 3:00 PM$5.159$5.599
Aug 18, 10:00 PM$5.099$5.599
Aug 18, 3:00 PM$5.099$5.499
Aug 15, 6:00 PM$5.059$5.559
Aug 13, 9:00 PM$5.059$5.459
Aug 13, 4:00 PM$4.999$5.459
Aug 11, 9:00 PM$5.059$5.459
Aug 10, 4:00 PM$5.159$5.559
Aug 8, 5:00 PM$5.159$5.599
Aug 7, 9:00 PM$5.179$5.599