Costco Richland
3125 Queensgate Drive, Richland, Washington 99352-9127
Regular
$5.099
Premium
$5.599
Diesel
$6.969
Updated Oct 14, 2026View details →
Costco Gas Prices in Richland
Latest reported Costco fuel prices in Richland, Washington.
- Stations
- 1
- Avg. Regular
- $5.099
- Lowest Regular
- $5.099
- Avg. Diesel
- $6.969