Latest available Costco gas prices for Prosper.
Current Gas Prices:
- Regular: $3.569
- Premium: $4.079
Last successful update: September 2, 2026 10:10 am GMT+0000.
Location
Address: 5620 W UNIVERSITY DRIVE, Prosper, Texas 75078-3830
Phone: (972) 346-6120
Opening Hours
Gas Station:
Mon-Fri: 6:00 AM – 10:00 PM
Warehouse:
Mon-Fri: 10:00 AM – 8:30 PM
FAQ About Prosper, Texas
When is the best time to fuel up at Costco gas in Prosper to avoid the busiest hours?
Early mornings on weekdays tend to be quieter at the Prosper Costco gas station. Planning your visit before 7 AM or after 7 PM can help you avoid peak lines and get in and out more quickly.
How can I plan my Costco gas stop around my commute through Prosper to save time?
Try to time your fueling before the morning or evening rush hours on US-380 or Preston Road. Stopping on the way to or from work during off-peak times reduces wait times and keeps your trip efficient.
What’s a good strategy for combining Costco gas stops with family errands in Prosper?
Grouping your Costco fueling with nearby errands like grocery shopping or picking up school supplies near Prosper Marketplace helps minimize extra driving. This makes family trips more efficient by handling multiple tasks in one area.
How should I prepare for fueling at Costco gas in Prosper during bad weather?
During rain or colder months, plan to fuel during midday when traffic is lighter and staff is fully available. Also, arriving with a little extra time helps avoid stress from slower line movement caused by weather conditions.
What’s a good backup fueling window at the Prosper Costco if mornings are too busy?
Late evening, around 8 to 9 PM, often sees fewer vehicles at the Costco gas pumps in Prosper. If mornings are crowded, consider this quieter window to avoid long waits and rushed service.
How can I reduce repeated cross-town driving when refueling at Costco gas in Prosper?
Plan your gas stop alongside other planned destinations on the west side of Prosper, near Hwy 380. By grouping your stops in one area, you avoid unnecessary travel back and forth across town, saving time and fuel.