Costco Gas Prices in Duncanville, Texas
Duncanville · Warehouse #636
250 W HIGHWAY 67, Duncanville, Texas 75137-4415
Prices updated: August 13, 2026 at 11:00 AM
Regular
$3.199
PRICE PER GALLON
Press
Premium
$3.729
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 $3.199/gal, premium at $3.729/gal. Prices were last updated on August 13, 2026 at 11:00 AM.
Get directions to this Costco gas station30-Day Price History
30-day change
Regular
$3.199−0.050 (1.5%)
Premium
$3.729−0.170 (4.4%)
DateRegPrem
Aug 13, 11:00 AM$3.199$3.729
Aug 12, 10:00 PM$3.169$3.669
Aug 10, 4:00 PM$3.199$3.799
Aug 8, 4:00 PM$3.299$3.859
Aug 7, 9:00 PM$3.299$3.899
Aug 7, 4:00 PM$3.349$3.899
Aug 7, 3:00 AM—$3.899
Aug 7, 2:00 AM$3.349$3.899
Aug 6, 10:00 PM$3.299$3.899
Aug 6, 3:00 PM$3.249$3.899
Aug 5, 9:00 PM$3.199$3.899
Aug 5, 4:00 PM$3.229$3.999
Aug 4, 11:00 PM$3.279$3.999
Aug 2, 3:00 PM$3.359$4.099
Jul 31, 2:00 PM$3.399$4.159
Jul 30, 3:00 PM$3.459$4.199
Jul 28, 10:00 PM$3.499$4.199
Jul 27, 10:00 PM$3.559$4.199
Jul 27, 3:00 PM$3.599$4.199
Jul 26, 4:00 PM$3.599$4.299
Jul 24, 2:00 PM$3.569$4.239
Jul 23, 9:00 PM$3.559$4.189
Jul 23, 3:00 PM$3.499$4.099
Jul 22, 9:00 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