Castle Rock Average Gas Price
| Regular | Mid-Grade | Premium | Diesel | E85 | |
|---|---|---|---|---|---|
| Week Ago Avg. | $5 | $4.92 | $5.3 | $5.13 | - |
| Month Ago Avg. | $4.51 | $4.56 | $4.94 | $4.81 | - |
Highest Recorded Average Gas Price In Castle Rock Year to Date
| Price | Date | |
|---|---|---|
| Diesel | $5.13 | 06/15/26 |
| Regular | $5 | 06/15/26 |
Top 10 Gas Stations & Cheap Fuel Prices in Castle Rock
Space Age in Castle Rock (9515 Old Pacific Hwy N)
9515 Old Pacific Hwy N, Castle Rock, Washington,
$5.09
Jul 06, 2026
0¢ Cashback
Space Age in Castle Rock (9515 Old Pacific Hwy N)
9515 Old Pacific Hwy NCastle RockWashington98611USA
Shell in Castle Rock (1178 Mt St Helens Way NE)
1178 Mt St Helens Way NE, Castle Rock, Washington,
$5.49
Jul 06, 2026
3¢ Cashback
Shell in Castle Rock (1178 Mt St Helens Way NE)
1178 Mt St Helens Way NECastle RockWashington98611USA
Chevron in Castle Rock (1040 Dougherty Dr NE)
1040 Dougherty Dr NE, Castle Rock, Washington,
$5.59
Jul 06, 2026
0¢ Cashback
Chevron in Castle Rock (1040 Dougherty Dr NE)
1040 Dougherty Dr NECastle RockWashington98611USA
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Gas Data Methodology
The fuel prices published in this guide are based on the results of research completed by Way.com’s data team. Using a mix of external and internal data, we analyzed millions of prices across U.S. ZIP codes and globally.