Costco Gas in Mount Prospect, IL
1 station in Mount Prospect, IL
Costco Gas Hours in Mount Prospect
Mount Prospect has 1 Costco gas station. Weekday hours are typically 6 AM to 10 PM. Sunday hours are 6 AM–7:30 PM. Membership is required at the pump. Costco gas is TOP TIER™ certified, meeting enhanced detergent standards recommended by most major automakers.
Hours last checked August 20, 2026. How we check
Costco gas in Mount Prospect: FAQ
How many Costco gas stations are in Mount Prospect, IL?
Mount Prospect has 1 Costco gas station: 999 North Elmhurst Road.
What time does Costco gas open in Mount Prospect?
On weekdays, Costco gas in Mount Prospect opens at 6 AM and closes at 10 PM. Hours last checked August 20, 2026.
What are Costco gas hours on Sunday in Mount Prospect?
On Sundays, Costco gas in Mount Prospect is open 6 AM–7:30 PM.
Do I need a membership to buy Costco gas in Mount Prospect?
Yes. An active Costco membership is required at the pump.