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Costco Gas Prices in San Marcos, California

Average Price

$4.50

Lowest Price

$4.10

Highest Price

$4.90

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2 Stations Found

Showing 2 of 2

San Marcos Warehouse Costco

$4.10

725 Center Drive

San Marcos

Last updated 1 month ago

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San Marcos Warehouse Costco

$4.90

725 Center Drive

San Marcos

Last updated 1 month ago

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