Latest available Costco gas prices for Longmont.
Current Gas Prices:
- Regular: $3.959
- Premium: $4.659
Last successful update: September 3, 2026 9:11 am GMT+0000.
Location
Address: 205 EAST KEN PRATT BLVD, Longmont, Colorado 80501-8500
Phone: (303) 827-2534
Opening Hours
Gas Station:
Mon-Fri: 6:00 AM – 10:00 PM
Warehouse:
Mon-Fri: 10:00 AM – 8:30 PM
FAQ About Longmont, Colorado
When is the best time to avoid long waits at the Longmont Costco gas station?
Typically, early weekday mornings or late evenings see fewer customers at the Longmont Costco gas pumps. Avoiding peak hours around 7-9 AM and 5-7 PM can help you fuel up quickly without long lines.
Do I need a Costco membership to buy gas at the Longmont location, and what payment methods are accepted?
Yes, a Costco membership is required to purchase fuel at the Longmont Costco gas station. Payment is accepted via Costco credit cards, debit cards, and cash. Having your membership card ready before arrival speeds up the process.
What should drivers heading out from Longmont on a road trip check before stopping at Costco gas?
Before fueling, check your tire pressure and oil levels at nearby service centers, if possible, to ensure a safe trip. Also, verify the current gas price at Longmont Costco since prices can fluctuate and impact your budget.
How should I respond if the gas line at Longmont Costco looks longer than usual?
If the line appears very long, consider waiting a few minutes to see if it shortens or try fueling during off-peak hours. Alternatively, nearby gas stations may offer quicker service, but keep in mind Costco’s generally competitive prices.
Does weekend timing affect the fueling experience at Longmont Costco gas station?
Yes, weekends tend to be busier at Longmont Costco fuel pumps, especially mid-morning to early afternoon. Planning your fueling early in the morning or later in the evening on weekends can reduce wait times significantly.
How can I simplify refueling at Longmont Costco when returning home after a trip?
To make your return fueling smooth, try to time your arrival at Costco during non-peak hours and have your membership and payment method ready. Monitoring traffic and local events in Longmont can also help you avoid unexpected delays.