Costco Gas PriceNow

Costco Mt Prospect gas prices

This station's regular prices have climbed about $0.100 per gallon over the past month, from $3.899 to $3.999. Premium is up $0.240 over the same stretch, now at $5.199.

Today's prices

Regular
$3.999
Premium
$5.199

Per gallon, USD · updated July 22, 2026

Updated today · refreshed daily

30-day price history

Regular$3.999Premium$5.199
3.504.004.505.00Jun 23Jun 30Jul 8Jul 15Jul 22$5.199$3.999
Posted prices at Costco Mt Prospect, past 30 days ($/gal).
View price history as a table
DateRegularPremium
July 22, 2026$3.999$5.199
July 21, 2026$3.999$5.099
July 20, 2026$3.999$5.099
July 19, 2026$3.999$5.099
July 18, 2026$3.999$5.099
July 17, 2026$3.899$5.049
July 16, 2026$3.899$5.049
July 15, 2026$3.849$4.949
July 14, 2026$3.899$4.999
July 13, 2026$3.999$5.099
July 12, 2026$3.999$5.099
July 11, 2026$3.999$5.099
July 10, 2026$3.899$4.899
July 9, 2026$3.699$4.699
July 8, 2026$3.599$4.699
July 7, 2026$3.699$4.799
July 6, 2026$3.799$4.859
July 5, 2026$3.799$4.849
July 4, 2026$3.799$4.849
July 3, 2026$3.839$4.849
July 2, 2026$3.789$4.799
July 1, 2026$3.789$4.799
June 30, 2026$3.789$4.799
June 29, 2026$3.789$4.859
June 28, 2026$3.789$4.859
June 27, 2026$3.749$4.859
June 26, 2026$3.799$4.859
June 25, 2026$3.799$4.859
June 24, 2026$3.859$4.899
June 23, 2026$3.899$4.959

Address

999 N Elmhurst Rd
Mount Prospect, Illinois 60056-1133

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Gas station hours

Mon – Fri
6:00 AM – 10:00 PM
Saturday
6:00 AM – 8:30 PM
Sunday
6:00 AM – 7:30 PM

Warehouse hours

Mon – Fri
10:00 AM – 8:30 PM
Saturday
9:30 AM – 7:00 PM
Sunday
10:00 AM – 6:00 PM

Location

999 N Elmhurst Rd, Mount Prospect 60056-1133

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Nearby Costco stations

Costco SchaumburgSchaumburg · 5.9 mi away$4.149regularCostco GlenviewGlenview · 6.0 mi away$4.149regularCostco NilesNiles · 9.2 mi away$3.999regularCostco MettawaMettawa · 11 mi away$4.059regular

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