Costco Gas Prices in Longmont, Colorado
Longmont · Warehouse #1628
205 EAST KEN PRATT BLVD, Longmont, Colorado 80501-8500
Prices updated: September 5, 2026 at 10:00 PM
Regular
$3.799
PRICE PER GALLON
Press
Premium
$4.399
PRICE PER GALLON
Press
Current gas prices at Costco #1628
This Costco gas station is located at 205 EAST KEN PRATT BLVD in Longmont, Colorado. The latest reported fuel prices are regular at $3.799/gal, premium at $4.399/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
$3.799+0.030 (0.8%)
Premium
$4.399−0.060 (1.3%)
DateRegPrem
Sep 5, 10:00 PM$3.799$4.399
Sep 5, 7:00 PM$3.889$4.589
Sep 4, 4:00 PM$3.899$4.599
Sep 4, 12:00 AM$3.899$4.589
Sep 3, 9:00 PM$3.959$4.659
Sep 2, 10:00 PM$3.959$4.599
Sep 2, 4:00 PM$3.919$4.599
Sep 1, 9:00 PM$3.919$4.539
Sep 1, 5:00 PM$3.999$4.599
Aug 31, 9:00 PM$3.939$4.539
Aug 31, 6:00 PM$3.959$4.559
Aug 31, 6:00 AM—$4.559
Aug 31, 5:00 AM$3.959$4.559
Aug 29, 5:00 PM$3.999$4.599
Aug 28, 8:00 PM$3.959$4.599
Aug 28, 3:00 PM$3.999$4.599
Aug 28, 1:00 AM$4.099$4.699
Aug 27, 9:00 PM$4.159$4.759
Aug 27, 3:00 PM$4.199$4.799
Aug 24, 7:00 PM$4.229$4.799
Aug 23, 3:00 PM$4.199$4.799
Aug 22, 4:00 PM$4.159$4.799
Aug 21, 9:00 PM$4.099$4.699
Aug 21, 5:00 PM$4.059$4.659
Aug 19, 4:00 PM$3.999$4.559
Aug 18, 10:00 PM$3.999$4.499
Aug 17, 9:00 PM$3.959$4.499
Aug 17, 2:00 PM$3.899$4.499
Aug 13, 7:00 PM$3.799$4.399
Aug 13, 4:00 PM$3.699$4.299
Aug 9, 1:00 PM—$4.299
Aug 9, 12:00 PM$3.699$4.299
Aug 8, 5:00 PM$3.759$4.359
Aug 7, 7:00 PM$3.769$4.459