Foster City Average Gas Price
| Regular | Mid-Grade | Premium | Diesel | E85 | |
|---|---|---|---|---|---|
| Week Ago Avg. | $5.72 | $5.99 | $6.1 | $6.07 | - |
| Month Ago Avg. | $5.72 | $5.99 | $6.1 | $6.07 | - |
Highest Recorded Average Gas Price In Foster City Year to Date
| Price | Date | |
|---|---|---|
| Diesel | $6.07 | 06/15/26 |
| Regular | $5.72 | 06/15/26 |
Top 10 Gas Stations & Cheap Fuel Prices in Foster City
Valero in Foster City (501 Foster City Blvd)
501 Foster City Blvd, Foster City, California,
$5.75
Jul 18, 2026
0¢ Cashback
Valero in Foster City (501 Foster City Blvd)
501 Foster City BlvdFoster CityCalifornia94404USA
Chevron in Foster City (1101 E Hillsdale Blvd)
1101 E Hillsdale Blvd, Foster City, California,
$5.89
Jul 18, 2026
0¢ Cashback
Chevron in Foster City (1101 E Hillsdale Blvd)
1101 E Hillsdale BlvdFoster CityCalifornia94404USA
ARCO in Foster City (880 E Hillsdale Blvd)
880 E Hillsdale Blvd, Foster City, California,
$6.09
Jul 18, 2026
0¢ Cashback
ARCO in Foster City (880 E Hillsdale Blvd)
880 E Hillsdale BlvdFoster CityCalifornia94404USA
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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.