Costco at 950 Port Washington Rd, Grafton, Wisconsin. Find store hours, phone number, driving directions and answers to frequently asked questions below.
This Costco location at 950 Port Washington Rd in Grafton, Wisconsin offers members a wide selection of bulk items and quality goods. The store's hours may vary, so it’s recommended to call ahead for the most accurate information.
Address & Contact
Costco
950 Port Washington Rd,
Grafton, WI 53024
Grafton, WI 53024
262-204-1050
Store information verified in 2026
Store Hours
Monday10:00am - 8:30pm
Tuesday10:00am - 8:30pm
Wednesday10:00am - 8:30pm
Thursday10:00am - 8:30pm
Friday10:00am - 8:30pm
Saturday9:30am - 7:00pm
Sunday10:00am - 6:00pm
Store hours may vary. Please call to confirm.
Location & Map
Costco - Grafton is located on 950 Port Washington Rd, Grafton, WI 53024
Nearby Locations
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Costco - Pleasant Prairie
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7707 94th Ave, Pleasant Prairie, WI 53158
51 miles
Costco - Sun Prairie
2850 Hoepker Rd, Sun Prairie, WI 53590
2850 Hoepker Rd, Sun Prairie, WI 53590
68 miles
Costco - Appleton
5401 W. Integrity Way, Appleton, WI 54913
5401 W. Integrity Way, Appleton, WI 54913
72 miles
Frequently Asked Questions
How do I get directions to this Costco location?
To find directions to Costco at 950 Port Washington Rd, Grafton, Wisconsin, use your preferred mapping service or GPS app.