Costco Fullerton
900 S Harbor Blvd, Fullerton, California 92832-3025
Regular
$5.599
Premium
$5.899
Diesel
N/A
Updated Oct 14, 2026View details →
Costco Gas Prices in Fullerton
Latest reported Costco fuel prices in Fullerton, California.
- Stations
- 1
- Avg. Regular
- $5.599
- Lowest Regular
- $5.599
- Avg. Diesel
- N/A