Costco Fullerton
900 S Harbor Blvd, Fullerton, California 92832-3025
Regular
$4.890
Premium
$5.190
Diesel
N/A
Updated Nov 12, 2026View details →
Costco Gas Prices in Fullerton
Latest reported Costco fuel prices in Fullerton, California.
- Stations
- 1
- Avg. Regular
- $4.890
- Lowest Regular
- $4.890
- Avg. Diesel
- N/A