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Costco Wholesale

4.5

About this business

Members-only warehouse selling a huge variety of items including bulk groceries, electronics & more. 

Location details

9404 Central Ave, Montclair, CA, 91763, United States

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WeekdayScheduleStatus
Mon10:00 a.m. to 8:30 p.m.
Tue10:00 a.m. to 8:30 p.m.
Wed10:00 a.m. to 8:30 p.m.
Thu10:00 a.m. to 8:30 p.m.
Fri10:00 a.m. to 8:30 p.m.
Sat9:30 a.m. to 6:00 p.m.
Sun10:00 a.m. to 6:00 p.m.
4.57,111 reviews
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Deborah's profile image
2 years ago

My place Great place to shop. Great deals and everything is of good quality. my kids like the food outside in the courtyard. The gas prices are unbeatable if you are a member there is no better place to shop. 

Natanya's profile image
2 years ago

I'm so happy with Costco This cost co is one of the best, It acquires great customer service and that was given to me and my family on our visit . I would recommend anyone to go and enjoy all the great saving and friendly environment .Thank you,Natanya *** 

Frequently asked questions about Costco Wholesale

How is Costco Wholesale rated?

Costco Wholesale has a 4.5 star rating with 7,111 reviews. 

When is Costco Wholesale open?

Costco Wholesale is closed now. It will open tomorrow at 10:00 a.m. 

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