Costco Gasoline in San Marcos

Mon:05:30 am - 9:30 pm
Tue:05:30 am - 9:30 pm
Wed:05:30 am - 9:30 pm
Thu:05:30 am - 9:30 pm
Fri:05:30 am - 9:30 pm
Sat:06:00 am - 8:00 pm
Sun:06:00 am - 7:30 pm

Please note times may vary due to seasonal opening hours and extended store trading times.
Store hours are subject to change. Please call the store for exact opening hours.