Costco gas stations in San Marcos, California

2 Costco fuel stations listed, lowest regular price first (US dollars per gallon). Stations without a recorded price appear last.

San Marcos
San Marcos, California
Lowest price
Regular
$5.899
USD per gallon
Premium
$6.299
USD per gallon
725 Center Drive, San Marcos, California, 92069-3536
Last updated 42 hours ago No map locationDetails
San Marcos Business Center Warehouse
SAN MARCOS, California
Regular
$5.899
USD per gallon
Premium
$6.299
USD per gallon
150 S. BENT AVE, SAN MARCOS, California, 92078-1202
Last updated 42 hours agoDetails