Costco in Ontario, CA

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Costco

1. Costco

(1)

9404 Central AveMontclair, CA 91763

(909) 575-5004

the tire guy was horrible. seems like i owe him several million dollars.

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Costco

2. Costco

11800 4th StRancho Cucamonga, CA 91730

(909) 581-1703
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Costco

3. Costco

(1)

13111 Peyton DrChino Hills, CA 91709

(909) 464-2900

IF YOU WANT A GREAT LOCATION TO GO TO SHOP AT THE RANCHO CUCAMONGA STORE ON FOURTH STREET, AWESOME EMPLOYEES THAT SPEAK ENGLISH AND VERY HELPFUL, TR…

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Costco

4. Costco

(2)

520 N Lone Hill AveSan Dimas, CA 91773

(909) 962-5507

Had to get my tires rotated , had to wait 20 minutes to just be served , then I was told it would take 2 hours . My time is not worth the savings

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Costco

5. Costco

(2)

16505 Sierra Lakes PkwyFontana, CA 92336

(909) 770-5639

Love this Costco location! Super clean and New. Like your usual Costco's but they had some additional specialty cheeses and some wines that I haven'…

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Costco

6. Costco

480 N McKinley StCorona, CA 92879

(951) 279-1190

From Business: With a sales volume of more than $60 billion, Costco Wholesale Corporation is one of the leading international chains of membership warehouses in the world. Opera…

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Costco

7. Costco

22633 Savi Ranch PkwyYorba Linda, CA 92887

(714) 282-6650
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Costco

8. Costco

(4)

1220 W Foothill BlvdAzusa, CA 91702

(626) 812-7911

I am a regular customer of super cheap gasoline at costco. Even though the lines are big here but we save time as I buy gas and my family go for gro…

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Costco

9. Costco

(2)

17550 Castleton StCity Of Industry, CA 91748

(626) 839-3053

I love my Costco. The staff is friendly, happy to be there and assist. The pharmacy is great too. Not that much of a wait to get a prescription fi…

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Costco

10. Costco

(2)

1099 E Hospitality LnSan Bernardino, CA 92408

(909) 478-3445

If you need help shopping, please just ask. They will actually have a customer svc go w/ you thru the store from beginning to end.

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Costco

11. Costco

(1)

12700 Day StMoreno Valley, CA 92553

(951) 697-8900

this is a great warehouse store. they have a much larger selection than sams club, and the items are of higher quality. the rotisseree chicken is …

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Costco

12. Costco

900 S Harbor BlvdFullerton, CA 92832

(714) 738-7521
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Costco

13. Costco

101 N Beach BlvdLa Habra, CA 90631

(562) 524-0001
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Costco

14. Costco

(4)

12324 Hoxie AveNorwalk, CA 90650

(562) 929-0826

We usually go here when we're buying tons of stuffs to send for our hometown.

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Costco

15. Costco

11000 Garden Grove BlvdGarden Grove, CA 92843

(714) 638-6308
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Costco

16. Costco

13225 Beach BlvdWestminster, CA 92683

(657) 400-7006
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Costco

17. Costco

(3)

2700 Park AveTustin, CA 92782

(714) 338-1933

Even tho Costco has great prices for their gas ⛽️ The waiting time is anywhere from 15-20 minutes 😤 The lines are horrible. They need to resolve th…

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Costco

18. Costco

(2)

1345 N Montebello BlvdMontebello, CA 90640

(323) 890-1904

They have great prices on glasses and contacts but once you have ordered and paid for your glasses/contact lenses, they tell you they will come in a…

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Costco

19. Costco

2655 El Camino RealTustin, CA 92782

(714) 838-7895
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Costco

20. Costco

(3)

29315 Central AveLake Elsinore, CA 92532

(951) 253-6030

This is the BEST costco on the planet!

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Costco

21. Costco

(1)

115 Technology DrIrvine, CA 92618

(949) 453-0435

like takeback policy and also need better selection tho change stock and such

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Costco

22. Costco

17900 Newhope StFountain Valley, CA 92708

(714) 338-2183
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Costco

23. Costco

6333 Telegraph RdCommerce, CA 90040

(323) 767-2640
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Costco

24. Costco

(3)

2207 W Commonwealth AveAlhambra, CA 91803

(626) 289-7164

I love Costco. I probably buy 90% of my household goods, electronics, and food from Costco.I even have some meals here. You can't beat a Polish Saus…

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Costco

25. Costco

(1)

7562 Center AveHuntington Beach, CA 92647

(714) 372-7510

It was horrible! I can't believe Costco would allow them to represent them. The front girl was horribly rude and unprofessional! Had a appointment a…

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Costco

26. Costco

(2)

340 Lakewood Center MallLakewood, CA 90712

(562) 295-1506

Good store and good customer service as always.

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Costco

27. Costco

(3)

5401 Katella AveCypress, CA 90720

(562) 668-5150

I usually go to Costco to buy bulk items. I actually bought a new iPhone X here because of Costco $100 gift card with purchase and my old phone has …

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Helpful Reviews 
Sam's Club
Mel P. rated

Visiting family and stopped in for their routine trip to Sam's Club. Location very organized, well stocked and a several items catered to the local demographics. Would be happy if this was my Sam's Club at home.

Sam's Club
Malinda H. rated

I have or the most part have been treated courteously. The workers are helpful. If the lines are too long they have efficient self-check out lanes where a worker is there to assist you if you need help. Recently, I have utilized their photo and optometry departments. Both were professional and answered my questions that left me satisfied. I am thrilled to have my 8mm family videos from the 80's and 90's be copied onto CD and available online taking advantage of their 2-videos for $17.00.

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