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Dunkin' Zero
Brand Certified

Dunkin'

3.8
(583 reviews)

Business Details

9610 Sierra Ave, Fontana, CA
92335, United States
(949) 484-4200
https://www.dunkindonuts.com

About

Coffee ShopDonut ShopBreakfast RestaurantBakeryBagel ShopFast Food RestaurantTake Out RestaurantDunkin'
Dunkin’ is America’s favorite all-day, everyday stop for coffee, espresso, breakfast sandwiches and donuts. The world’s leading baked goods and coffee chain, Dunkin’ serves more than 3 million customers each day. With 50+ varieties of donuts and dozens of premium beverages, there is always something to satisfy your craving. Dunkin’ is proud to serve Fontana, CA for all breakfast and snacking needs. Stop by today to try a classic favorite or a new featured product!

Details

  • Dine-inAvailable
  • DeliveryAvailable
  • TakeoutAvailable
  • Credit cardAvailable

Location

Dunkin'
9610 Sierra Ave, Fontana, CA
92335, United States

Hours

Reviews

3.8
583 reviews
5 stars
317
4 stars
88
3 stars
41
2 stars
28
1 star
109

What are people saying?

AI-generated from recent customer reviews

Service Quality

Customer service experiences vary widely, with some praising friendly staff while others report rudeness and long wait times.

Cleanliness

Several customers noted a decline in cleanliness, with reports of unsanitary conditions and a need for better upkeep.

Product Quality

While some customers enjoyed the coffee and donuts, many expressed dissatisfaction with the quality and freshness of food items.

Order Accuracy

Numerous reviews highlighted issues with incorrect orders and poor communication, leading to frustration among customers.

Operational Issues

Customers reported inconsistent hours of operation and low inventory, particularly regarding donuts, which negatively impacted their experience.
  • MH
    Megan Howard
    Feb 20, 2026
    1.0
    I ordered 2 drinks , 2 donuts and a breakfast sandwich. One of the drinks was wrong , I asked for it to be fixed , the cashier was rude & said no that’s what you ordered. Then I got home & saw she gave me the wrong donuts. I have never had an issue at Dunkin but this time was very disappointing.
  • ML
    Maritza Landeros
    Feb 6, 2026
    2.0
    I Use to love coming here, but their customer service is horrible and they all look like they don’t want be there.
  • BM
    Brian Machain
    Jan 27, 2026
    5.0
    The coffee’s pretty good, I feel alive!
  • MC
    Marciel Coutinho
    Jan 12, 2026
    5.0
    Great service
  • JR
    Jerry Rosales
    Nov 11, 2025
    1.0
    I’ve been coming to this Dunkin’ for a while and it used to be really clean and well-kept, but lately the cleanliness has really gone downhill. There were flies inside and the tables didn’t look wiped down. I hope management brings it back to the standard it used to have

Brand Certified Facts from Dunkin'

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Certified March 01, 2026Yext Knowledge Graph
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  • Categories
  • Geo coordinates
  • Legal business name
  • Hours of operation
  • Phone number
  • Official website
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