Costco Clarkston
301 5th St, Clarkston, Washington 99403-1860
Regular
$4.599
Premium
$5.459
Diesel
$6.999
Updated Oct 17, 2026View details →
Costco Gas Prices in Clarkston
Latest reported Costco fuel prices in Clarkston, Washington.
- Stations
- 1
- Avg. Regular
- $4.599
- Lowest Regular
- $4.599
- Avg. Diesel
- $6.999