🧰 Other services · Superstore
Costco
● Open
A superstore on Port Washington Rd, with 21 places within a five-minute walk. One of 136 other services in Grafton.
Where it is
Directions →950 Port Washington Rd
The nearest neighbor is Grafton Eye Center, 1 min walk away.
Address950 Port Washington Rd · 53024
HoursNot listed yetAdd the hours
Phone(262) 204-1050
About
About Costco
Shopping › Superstore
Wholesale StoreDiscount Store
Costco Wholesale Corporation is an American multinational corporation that operates a chain of membership-only big-box warehouse club retail stores. As of 2025, Costco is the third-largest retailer in the world, and as of August 2024, the world's largest retailer of beef, poultry, organic produce, and wine, with just under a third of American consumers regularly shopping at Costco warehouses. As of 2026, Costco is ranked 12th on the Fortune 500 rankings of the largest United States corporations by total revenue.
Read more on Wikipedia ↗Know Costco? .
Around the corner
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21 places within a five-minute walk of Costco.
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Fix a detailWrong hours or phone? Moved or closed? Neighbors keep this right.✎
Address
950 Port Washington Rd
Hours
Not set
Phone
(262) 204-1050
Website
http://www.costco.com/
Status
Open
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Some place details from Overture Maps (CDLA-Permissive-2.0). Changes go live once a second neighbor confirms them. Chain description from Wikipedia (CC BY-SA).