- Start
- Oct 2, 202675% CONFIDENCEfrom the source
Costco Opens Its Lee's Summit Warehouse
- The warehouse was first set to open on 28 August 2026 and slipped by more than a month to 2 October. [S]
- It is one of ten US warehouses Costco is opening across October and November 2026, part of a 25-to-30 warehouse year. [S]
- Costco does not comment publicly on a site until an opening is two to three months away, which is why so few of its dates appear far ahead.
References 280% CONFIDENCE
The first entry is always the pin's source. Overall confidence is a weighted average of how firmly each reference supports the start and end times used above; a reference counts half as much for every 180 days older than the newest.
- [1]75%costco.com/f/-/new-opening-lees-summitcostco.com· Posted Sep 21, 2026· Starts Oct 2, 2026 ✓· 50% of score
Costco's own new-opening page for the site carries the date, reported as "Oct. 2, 2026" after the original August date moved.
- [2]85%Costco sets October opening for new Lee's Summit storefox4kc.com· Added Sep 21, 2026· 50% of score
Local reporting that fixed the new date and recorded the slip from the original August opening.[1]
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