Costco Gas Prices in Duncanville, Texas
Duncanville · Warehouse #636
250 W HIGHWAY 67, Duncanville, Texas 75137-4415
Prices updated: July 22, 2026 at 3:00 PM
Regular
$3.499
PRICE PER GALLON
Press
Premium
$4.199
PRICE PER GALLON
Press
Current gas prices at Costco #636
This Costco gas station is located at 250 W HIGHWAY 67 in Duncanville, Texas. The latest reported fuel prices are regular at $3.499/gal, premium at $4.199/gal. Prices were last updated on July 22, 2026 at 3:00 PM.
Get directions to this Costco gas station30-Day Price History
30-day change
Regular
$3.499+0.500 (16.7%)
Premium
$4.199+0.640 (18.0%)
DateRegPrem
Jul 22, 3:00 PM$3.499$4.199
Jul 21, 2:00 PM$3.499$4.099
Jul 20, 2:00 PM$3.519$4.099
Jul 17, 10:00 PM$3.479$4.099
Jul 17, 3:00 PM$3.379$4.079
Jul 16, 10:00 PM$3.299$4.059
Jul 16, 2:00 PM$3.249$3.959
Jul 15, 9:00 PM$3.249$3.899
Jul 13, 3:00 PM$3.299$3.959
Jul 12, 3:00 PM$3.199$3.869
Jul 11, 3:00 PM$3.199$3.849
Jul 10, 3:00 PM$3.199$3.799
Jul 9, 10:00 PM$3.199$3.699
Jul 9, 3:00 PM$3.099$3.599
Jul 8, 9:00 PM$3.029$3.599
Jul 8, 4:00 PM$3.099$3.699
Jul 7, 3:00 PM$3.039$3.599
Jul 6, 3:00 PM$3.039$3.699
Jul 5, 4:00 PM$3.099$3.699
Jul 2, 3:00 PM$2.999$3.599
Jul 1, 9:00 PM$2.959$3.499
Jul 1, 3:00 PM$2.899$3.459
Jun 29, 2:00 PM$2.959$3.459
Jun 28, 4:00 AM—$3.459
Jun 28, 3:00 AM$2.959$3.459
Jun 25, 9:00 PM$2.969$3.489
Jun 25, 2:00 PM$2.979$3.489
Jun 24, 8:00 PM$2.989$3.489
Jun 22, 10:00 PM$2.999$3.559