Costco Gas Prices in Union, New Jersey
Latest reported regular prices per gallon from 1 of 1 Costco gas station; most recent report Nov 5, 2026 (UTC). Prices may vary at the pump.
Average Price
$3.89/gal
Lowest Price
$3.89/gal
Highest Price
$3.89/gal
All Costco Gas Stations in Union, New Jersey
Browse every listed location and open its latest reported prices and station details.