Costco Gas Prices in Montclair, California
Montclair · Warehouse #686
9404 CENTRAL AVE, Montclair, California 91763-2421
Prices updated: September 5, 2026 at 3:00 AM
Regular
$5.199
PRICE PER GALLON
Press
Premium
$5.599
PRICE PER GALLON
Press
Current gas prices at Costco #686
This Costco gas station is located at 9404 CENTRAL AVE in Montclair, California. The latest reported fuel prices are regular at $5.199/gal, premium at $5.599/gal. Prices were last updated on September 5, 2026 at 3:00 AM.
Get directions to this Costco gas station30-Day Price History
30-day change
Regular
$5.199no change
Premium
$5.599no change
DateRegPrem
Sep 5, 3:00 AM$5.199$5.599
Sep 4, 7:00 PM$5.199$5.539
Sep 2, 3:00 PM$5.199$5.499
Sep 1, 5:00 PM$5.099$5.499
Aug 30, 3:00 PM$5.059$5.459
Aug 27, 5:00 PM$5.039$5.439
Aug 26, 3:00 PM$4.999$5.399
Aug 24, 3:00 PM$5.099$5.439
Aug 23, 4:00 PM$5.099$5.399
Aug 22, 3:00 PM$5.059$5.399
Aug 19, 4:00 PM$4.999$5.399
Aug 14, 10:00 PM$4.999$5.359
Aug 13, 3:00 PM$4.999$5.399
Aug 9, 6:00 PM$5.099$5.499
Aug 8, 5:00 AM—$5.499
Aug 8, 4:00 AM$5.099$5.499
Aug 7, 7:00 PM$5.199$5.599