Andrea U.
9/16/2025
Right off Rt. # 43 t exit 92, literally 2 minutes off the highway:20 north of Milwaukee. It's amazing. There's no weight at the pump, just a quick In & out for the cheapest gas gasoline around.
Costco Gas Station
$$
(6)
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[1800 - 1802] Port Washington Rd
Grafton, WI 53024
Costco Gas Station in Grafton WI offers a convenient fueling option for members at competitive prices. Known for its efficient service and high-quality fuel this location is ideal for those looking to save on gas while enjoying the benefits of a Costco membership. With ample pump stations and a clean facility it provides a quick and hassle-free experience for drivers.
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Reviews
4.56 reviews
Rebecca S.
5/26/2018
I'm a Downtown Milwaukee resident and this is my gas station. Friendly attendants at all times and thee best prices. The quality of the gas is superior to many stations and Costco sends us a...
Nancy R.
9/9/2012
If you are a CostCo member, the gas is always at least several cents cheaper!
Peter C.
8/29/2014
This gas station has an attendant outside the whole time. There are 8 pumps that are all spaced out so you can fit in something that is being towed or just have more space. The gas is around 5...
Carrie H.
10/11/2016
Costco always has the lowest gas prices around! Why go across the street or the next exit down the highway for 10 cents higher when you can go here? The pumps are clean, unlike most gas stations...
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