Costco - Rancho Cucamonga, CA

11800 4th StreetRancho CucamongaCA 91730
Today: 10:00 am - 8:30 pm

Hours Costco - Rancho Cucamonga, CA


Holiday Hours 2022 Show

Labor Day
Independence Day
Memorial Day
Good Friday
Easter Saturday
Easter Sunday
Easter Monday
Christmas Eve
Christmas Day
Boxing Day
New Year's Eve
New Year's Day
Veterans Day
Thanksgiving Day

Covid 19 - Important information

It's necessary to respect following measures:

  • Customers and employees are required to wear properly fitting face coverings.
  • Maintain social distancing of 6 feet during shopping trip.
  • Signage, floor decals for one-way aisles and protective barriers have been installed throughout all stores and at checkout.
  • Hand sanitizing stations are available for shoppers and employees.
  • Intensified cleanings are conducted throughout all stores, with added focus on high-touch areas and carts.
  • Some stores installed protective shields at all checklanes.
  • Most of stores are operating under standard opening hours, but some store hours may vary.
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Costco - Rancho Cucamonga, CA - Hours & Store Details

Costco is set at 11800 4th Street, on the south-east side of Rancho Cucamonga (not far from Ontario Mills). The store serves the people of Mira Loma, Upland, Bloomington, Ontario, Riverside, Fontana and Guasti. Today (Thursday), business hours start at 10:00 am and continue until 8:30 pm. Here you may find the store hours, street address or customer reviews for Costco Rancho Cucamonga, CA.

Costco is ideally positioned near the intersection of Buffalo Avenue and 4th Street, in Rancho Cucamonga, California.

By car

The store is situated within a 1 minute trip from Ontario Mills Drive, Rochester Avenue, Exit 110 (Ontario Freeway) of I-15 and Mills Circle; a 3 minute drive from Ontario Freeway (I-15), Milliken Avenue and Exit 58A (San Bernardino Freeway) of I-10; or a 10 minute trip from San Bernardino Freeway (I-10) and San Bernardino Avenue.

11800 4th Street, Rancho Cucamonga, CA 91730 is the address for this location when using GPS devices.

By train

Visitors may take the train to Rancho Cucamonga Station (1.26 mi away). Nearby line is: San Bernardino.

On foot

Just a short walk away you may visit TravelCenters of America - Ontario West, Ontario Mills, Southwire Commercial, PolyOne Industrial, TravelCenters of America - Ontario East, SC Fuels, Ontario Gateway Center, Empire Corporate Plaza and Piemonte at Ontario Center.

The total number of Costco warehouses currently operating in Rancho Cucamonga, California is 1.

Refer to this link for a complete directory of Costco locations near Rancho Cucamonga.

Please note: typical store hours for Costco in Rancho Cucamonga, CA may be revised over national holidays. In 2022 it is applicable to Xmas, Boxing Day, Easter Monday or Thanksgiving Day. For verified information about the holiday operating hours for Costco Rancho Cucamonga, CA, visit the official site or call the contact number at 9095811703.


Food Court, Gas Station, Tire Service Center, Pharmacy, Optical Department, Hearing Aids

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