Texas Costco Gas Prices

Costco operates 42 fuel centers in Texas across 37 cities, with the largest cluster in Houston (3 stations). Across the state, regular gas averages $3.802, premium runs about $0.66 higher at $4.464, and diesel sits at $4.796. The lowest-priced regular pump is at Costco Forney in Forney at $3.099, while Rockwall in Rockwall sits about $0.88 higher. Across the state, regular pump prices have climbed about $0.33 over the past two weeks, from $3.468 two weeks ago. Premium has climbed about $0.41 and diesel has climbed about $0.13 over the same period. Diesel is sold at 6 of the 42 Texas locations.