Costco Gas in Longmont, CO
1 station in Longmont, Colorado
Costco Gas Hours in Longmont
Longmont has 1 Costco gas station. Weekday hours are typically 6 AM to 10 PM. Sunday hours are 7 AM–7 PM. Membership is required at the pump. Costco gas is TOP TIER™ certified, meeting enhanced detergent standards recommended by most major automakers.