Costco Oconomowoc Gas Prices – Kirkland Way
- Regular · today
- $3.879
- Premium · today
- $4.949
USD per gallon · Last updated September 30, 2026 · This station does not sell diesel
1855 Kirkland Way, Oconomowoc, WI 53066-4457 · Open in Maps ↗
30-day range
where today sits- Regular$3.879 today · avg $4.115$3.879 low$4.199 high
- Premium$4.949 today · avg $4.953$4.949 low$4.959 high
Price history at Oconomowoc
Last 30 days · USD per gallonView data as table
| Date | Regular | Premium |
|---|---|---|
| Sep 1 | — | — |
| Sep 2 | — | — |
| Sep 3 | — | — |
| Sep 4 | — | — |
| Sep 5 | — | — |
| Sep 6 | — | — |
| Sep 7 | — | — |
| Sep 8 | — | — |
| Sep 9 | — | — |
| Sep 10 | — | — |
| Sep 11 | — | — |
| Sep 12 | — | — |
| Sep 13 | — | — |
| Sep 14 | — | — |
| Sep 15 | — | — |
| Sep 16 | — | — |
| Sep 17 | — | — |
| Sep 18 | — | — |
| Sep 19 | — | — |
| Sep 20 | $4.199 | $4.959 |
| Sep 21 | $4.199 | $4.959 |
| Sep 22 | $4.199 | $4.959 |
| Sep 23 | $4.199 | $4.959 |
| Sep 24 | $4.199 | $4.949 |
| Sep 25 | $4.169 | $4.949 |
| Sep 26 | $4.169 | $4.949 |
| Sep 27 | $4.089 | $4.949 |
| Sep 28 | $4.089 | $4.949 |
| Sep 29 | $3.879 | $4.949 |
| Sep 30 | $3.879 | $4.949 |
Last updated September 30, 2026. Prices are collected once daily and can lag same-day changes at the pump.
Today’s price in context
At $3.879 for Regular, Oconomowoc is tied for the cheapest of 12 Costco gas stations in Wisconsin today, $0.132 below the Wisconsin average of $4.011.
None of the 5 nearest Costco stations is cheaper today.
- vs the US average
- $0.727 below, at $4.606
- Premium over Regular
- $1.070 — the Wisconsin median is $1.070
- Over the last 30 days
- down $0.320
- Days the price changed
- 3 of 11 reported days
- Cheapest day in the window
- today, at $3.879
- 15-gallon fill
- $58.19 — the cheapest it has been in 30 days
Oconomowoc is located at 1855 Kirkland Way, Oconomowoc, WI 53066-4457, in Wisconsin. The gas station sits in the warehouse parking lot and is open to Costco members, selling Regular and Premium — this location does not sell diesel. Gas station hours are 6 a.m. – 10 p.m. on weekdays, 6 a.m. – 8:30 p.m. on Saturdays and 6 a.m. – 7:30 p.m. on Sundays, in local time.
Station details
Oconomowoc Gas station hours
- Mon–Fri
- 6 a.m. – 10 p.m.
- Saturday
- 6 a.m. – 8:30 p.m.
- Sunday
- 6 a.m. – 7:30 p.m.
Oconomowoc Warehouse hours
- Mon–Fri
- 10 a.m. – 8:30 p.m.
- Saturday
- 9:30 a.m. – 7 p.m.
- Sunday
- 10 a.m. – 6 p.m.
Costco gas near Oconomowoc
- 1PewaukeePewaukee, WI · 11.1 mi$3.879Regular
- 2Menomonee FallsMenomonee Falls, WI · 18.9 mi$3.879Regular
- 3New BerlinNew Berlin, WI · 19.2 mi$3.959Regular
- 4GraftonGrafton, WI · 32.0 mi$4.179Regular
- 5Sun PrairieSun Prairie, WI · 42.2 mi$3.999Regular
Distances are straight-line. Prices across the border are shown in that country’s units (¢ per litre).
Cities near Oconomowoc
- Costco gas prices Pewaukee · WI · 11 mi$3.879
- Costco gas prices Menomonee Falls · WI · 19 mi$3.879
- Costco gas prices New Berlin · WI · 19 mi$3.959
- Costco gas prices Grafton · WI · 32 mi$4.179
- Costco gas prices Sun Prairie · WI · 42 mi$3.999
- Costco gas prices Pleasant Prairie · WI · 44 mi$3.989
- Costco gas prices Verona · WI · 54 mi$3.999
- Costco gas prices Middleton · WI · 54 mi$3.999
At this location
- Warehouse opened
- August 2026 — open less than a year
- Warehouse phone
- (262) 266-2227
- Pumps open before the warehouse
- 4 hours on weekdays
Also at this warehouse: a food court, a pharmacy, an optical department and a tire center.
Costco publishes one number per warehouse; there is no separate line for the gas station.
Frequently asked questions
How much is gas at Costco Oconomowoc today?
As of the September 30, 2026 reading: Regular $3.879 and Premium $4.949 per gallon. Prices are collected once a day, so the pump can differ.
What time does the Costco Oconomowoc gas station open?
The pumps are open 6 a.m. – 10 p.m. weekdays, 6 a.m. – 8:30 p.m. Saturdays and 6 a.m. – 7:30 p.m. Sundays, in local time. The pumps open 4 hours before the warehouse on weekdays.
Does the Costco Oconomowoc gas station sell diesel?
No — this station sells Regular and Premium, and has reported no diesel price in the last 30 days.
Is Costco Oconomowoc cheaper than the average Costco station in Wisconsin?
Yes — at $3.879, Regular here is $0.132 below the Wisconsin Costco average of $4.011.
Where is the Costco Oconomowoc gas station?
At 1855 Kirkland Way, Oconomowoc, WI 53066-4457. It sits in the Costco warehouse parking lot and is open to members only.
Do you need a Costco membership to buy gas?
Yes — a Gold Star, Executive or Business membership card has to be scanned at the pump before it will dispense, though a Costco Shop Card also works for non-members.
What payment methods does the Costco gas station accept?
Visa, PIN debit and the Costco Shop Card; US Costco fuel pumps take no cash and no Mastercard, American Express or Discover.
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