Costco Gas Prices in Longmont, Colorado
Longmont · Warehouse #1628
205 EAST KEN PRATT BLVD, Longmont, Colorado 80501-8500
Prices updated: August 9, 2026 at 7:00 PM
Regular
$3.699
PRICE PER GALLON
Press
Premium
$4.299
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 $3.699/gal, premium at $4.299/gal. Prices were last updated on August 9, 2026 at 7:00 PM.
Get directions to this Costco gas station30-Day Price History
30-day change
Regular
$3.699+0.300 (8.8%)
Premium
$4.299+0.240 (5.9%)
DateRegPrem
Aug 9, 7:00 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
Aug 6, 10:00 PM$3.769$4.499
Aug 5, 5:00 PM$3.799$4.499
Aug 4, 5:00 PM$3.899$4.559
Aug 4, 4:00 PM$3.899$4.659
Aug 3, 4:00 PM$3.899$4.599
Jul 31, 10:00 PM$3.799$4.499
Jul 30, 9:00 PM$3.719$4.399
Jul 28, 7:00 PM$3.859$4.499
Jul 28, 4:00 PM$3.899$4.559
Jul 27, 2:00 PM$3.899$4.599
Jul 24, 10:00 PM$3.899$4.559
Jul 23, 10:00 PM$3.859$4.499
Jul 23, 11:00 AM—$4.499
Jul 23, 10:00 AM$3.859$4.499
Jul 22, 4:00 PM$3.759$4.399
Jul 21, 10:00 PM$3.659$4.299
Jul 18, 4:00 PM$3.559$4.259
Jul 17, 3:00 PM$3.499$4.159
Jul 16, 2:00 PM$3.499$4.099
Jul 15, 3:00 PM$3.399$4.099
Jul 14, 10:00 PM$3.349$4.099
Jul 12, 5:00 PM$3.399$4.099
Jul 11, 4:00 PM$3.399$4.059