Costco New Berlin Gas Prices – West Grange Ave
- Regular · today
- $3.959
- Premium · today
- $4.899▼ −$0.100
USD per gallon · Last updated September 30, 2026 · This station does not sell diesel
15300 West Grange Ave, New Berlin, WI 53151-7909 · Open in Maps ↗
30-day range
where today sits- Regular$3.959 today · avg $3.773$3.529 low$4.199 high
- Premium$4.899 today · avg $4.689$4.359 low$5.099 high
Price history at New Berlin
Last 30 days · USD per gallonView data as table
| Date | Regular | Premium |
|---|---|---|
| Sep 1 | $3.579 | $4.359 |
| Sep 2 | $3.529 | $4.359 |
| Sep 3 | $3.529 | $4.359 |
| Sep 4 | $3.579 | $4.359 |
| Sep 5 | $3.529 | $4.379 |
| Sep 6 | $3.529 | $4.379 |
| Sep 7 | $3.529 | $4.379 |
| Sep 8 | $3.529 | $4.379 |
| Sep 9 | $3.529 | $4.379 |
| Sep 10 | $3.579 | $4.379 |
| Sep 11 | $3.659 | $4.659 |
| Sep 12 | $3.699 | $4.699 |
| Sep 13 | $3.699 | $4.699 |
| Sep 14 | $3.699 | $4.679 |
| Sep 15 | $3.699 | $4.679 |
| Sep 16 | $3.699 | $4.679 |
| Sep 17 | $3.799 | $4.699 |
| Sep 18 | — | — |
| Sep 19 | $3.799 | $4.799 |
| Sep 20 | $3.799 | $4.799 |
| Sep 21 | $3.799 | $4.799 |
| Sep 22 | $3.799 | $4.799 |
| Sep 23 | $4.199 | $5.099 |
| Sep 24 | $4.159 | $5.099 |
| Sep 25 | $4.179 | $5.099 |
| Sep 26 | $4.179 | $5.099 |
| Sep 27 | $4.099 | $4.999 |
| Sep 28 | $4.099 | $4.979 |
| Sep 29 | $3.959 | $4.999 |
| Sep 30 | $3.959 | $4.899 |
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 $3.959 for Regular, New Berlin is the 4th cheapest of 12 Costco gas stations in Wisconsin today, $0.052 below the Wisconsin average of $4.011.
Pewaukee, 11.8 mi away, is $0.080 cheaper.
- vs the US average
- $0.647 below, at $4.606
- Premium over Regular
- $0.940 — the Wisconsin median is $1.070
- Over the last 30 days
- up $0.380
- Days the price changed
- 12 of 29 reported days
- Cheapest day in the window
- September 9, 2026, at $3.529
- 15-gallon fill
- $59.38, $6.45 more than at the 30-day low
- Nearest cheaper station
- Pewaukee — 11.8 mi
New Berlin is located at 15300 West Grange Ave, New Berlin, WI 53151-7909, 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
New Berlin 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.
New Berlin 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 New Berlin
- 1PewaukeePewaukee, WI · 11.8 mi$3.879Regular
- 2Menomonee FallsMenomonee Falls, WI · 16.6 mi$3.879Regular
- 3OconomowocOconomowoc, WI · 19.2 mi$3.879Regular
- 4GraftonGrafton, WI · 27.8 mi$4.179Regular
- 5Pleasant PrairiePleasant Prairie, WI · 27.9 mi$3.989Regular
Distances are straight-line. Prices across the border are shown in that country’s units (¢ per litre).
Cities near New Berlin
- Costco gas prices Pewaukee · WI · 12 mi$3.879
- Costco gas prices Menomonee Falls · WI · 17 mi$3.879
- Costco gas prices Oconomowoc · WI · 19 mi$3.879
- Costco gas prices Grafton · WI · 28 mi$4.179
- Costco gas prices Pleasant Prairie · WI · 28 mi$3.989
- Costco gas prices Mettawa · IL · 50 mi$4.549
- Costco gas prices Lake Zurich · IL · 52 mi$4.499
- Costco gas prices Lake In The Hills · IL · 54 mi$4.499
At this location
- Warehouse opened
- November 2015
- Warehouse phone
- (262) 599-7030
- 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 New Berlin today?
As of the September 30, 2026 reading: Regular $3.959 and Premium $4.899 per gallon. Prices are collected once a day, so the pump can differ.
What time does the Costco New Berlin 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 New Berlin gas station sell diesel?
No — this station sells Regular and Premium, and has reported no diesel price in the last 30 days.
Is Costco New Berlin cheaper than the average Costco station in Wisconsin?
Yes — at $3.959, Regular here is $0.052 below the Wisconsin Costco average of $4.011.
Where is the Costco New Berlin gas station?
At 15300 West Grange Ave, New Berlin, WI 53151-7909. 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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