Costco Eau Claire Gas Prices – Black Avenue
- Regular · today
- $4.069▼ −$0.100
- Premium · today
- $5.139▼ −$0.030
USD per gallon · Last updated September 30, 2026 · This station does not sell diesel
1420 Black Avenue, Eau Claire, WI 54703-1354 · Open in Maps ↗
30-day range
where today sits- Regular$4.069 today · avg $3.991$3.589 low$4.249 high
- Premium$5.139 today · avg $5.040$4.659 low$5.369 high
Price history at Eau Claire
Last 30 days · USD per gallonView data as table
| Date | Regular | Premium |
|---|---|---|
| Sep 1 | $3.589 | $4.659 |
| Sep 2 | $3.589 | $4.659 |
| Sep 3 | $3.589 | $4.659 |
| Sep 4 | $3.629 | $4.689 |
| Sep 5 | $3.689 | $4.869 |
| Sep 6 | $3.859 | $4.659 |
| Sep 7 | $3.899 | $4.759 |
| Sep 8 | $3.899 | $4.759 |
| Sep 9 | $3.859 | $4.969 |
| Sep 10 | $3.999 | $5.169 |
| Sep 11 | $3.999 | $5.169 |
| Sep 12 | $4.009 | $4.849 |
| Sep 13 | $4.049 | $4.949 |
| Sep 14 | $4.049 | $5.269 |
| Sep 15 | $4.049 | $5.069 |
| Sep 16 | $4.049 | $5.099 |
| Sep 17 | $4.049 | $5.199 |
| Sep 18 | — | — |
| Sep 19 | $4.249 | $5.369 |
| Sep 20 | $4.199 | $5.369 |
| Sep 21 | $4.199 | $5.369 |
| Sep 22 | $4.199 | $5.369 |
| Sep 23 | $4.099 | $5.169 |
| Sep 24 | $4.099 | $5.169 |
| Sep 25 | $4.099 | $5.169 |
| Sep 26 | $4.169 | $5.169 |
| Sep 27 | $4.169 | $5.169 |
| Sep 28 | $4.169 | $5.069 |
| Sep 29 | $4.169 | $5.169 |
| Sep 30 | $4.069 | $5.139 |
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 $4.069 for Regular, Eau Claire is the 4th most expensive of 12 Costco gas stations in Wisconsin today, $0.058 above the Wisconsin average of $4.011.
None of the 5 nearest Costco stations is cheaper today.
- vs the US average
- $0.537 below, at $4.606
- Premium over Regular
- $1.070 — the Wisconsin median is $1.070
- Over the last 30 days
- up $0.480
- Days the price changed
- 13 of 29 reported days
- Cheapest day in the window
- September 3, 2026, at $3.589
- 15-gallon fill
- $61.03, $7.20 more than at the 30-day low
Eau Claire is located at 1420 Black Avenue, Eau Claire, WI 54703-1354, 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
Eau Claire 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.
Eau Claire 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 Eau Claire
- 1WoodburyWoodbury, MN · 74.4 mi$4.199Regular
- 2Rochester MNRochester, MN · 75.5 mi$4.299Regular
- 3MaplewoodMaplewood, MN · 78.9 mi$4.199Regular
- 4EaganEagan, MN · 82.8 mi$4.199Regular
- 5Minneapolis Business CenterMinneapolis, MN · 87.1 mi$4.149Regular
Distances are straight-line. Prices across the border are shown in that country’s units (¢ per litre).
Cities near Eau Claire
- Costco gas prices Woodbury · MN · 74 mi$4.199
- Costco gas prices Rochester · MN · 76 mi$4.299
- Costco gas prices Maplewood · MN · 79 mi$4.199
- Costco gas prices Eagan · MN · 83 mi$4.199
- Costco gas prices Burnsville · MN · 91 mi$4.269
- Costco gas prices Minneapolis · MN · 91 mi$4.104
- Costco gas prices Saint Louis Park · MN · 94 mi$4.199
- Costco gas prices Eden Prairie · MN · 97 mi$4.299
At this location
- Warehouse opened
- November 2023
- Warehouse phone
- (715) 598-6755
- 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 Eau Claire today?
As of the September 30, 2026 reading: Regular $4.069 and Premium $5.139 per gallon. Prices are collected once a day, so the pump can differ.
What time does the Costco Eau Claire 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 Eau Claire gas station sell diesel?
No — this station sells Regular and Premium, and has reported no diesel price in the last 30 days.
Is Costco Eau Claire cheaper than the average Costco station in Wisconsin?
No — at $4.069, Regular here is $0.058 above the Wisconsin Costco average of $4.011.
Where is the Costco Eau Claire gas station?
At 1420 Black Avenue, Eau Claire, WI 54703-1354. 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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