Fast Food RestaurantRestaurantBreakfast RestaurantCoffee ShopBurger JointSandwich RestaurantMcDonald's
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Customers frequently reported long wait times, often exceeding 20-30 minutes for orders, especially in the drive-thru.
Order Accuracy
Many reviews highlighted issues with incorrect or incomplete orders, prompting customers to advise checking bags before leaving.
Cleanliness
The restaurant and restrooms were often described as filthy, with multiple complaints about unsanitary conditions.
Customer Service
While some staff were praised for their friendliness, many reviews noted rude or unhelpful service, particularly from management.
Food Quality
Customers expressed dissatisfaction with food quality, mentioning cold items, incorrect orders, and overall declining standards.
LJ
LaTasha Rowley Jackson
3 days ago
5.0
Great service, I ordered on the app and picked up in the drive thru, had to wait for a bit for the food, but the order was spot on and the customer service was great.
GG
Gilbert “GILLIExMONSTER” Garcia
5 days ago
5.0
Fod was good and service was good
DH
Deborah Hagin (Cajon HS)
Feb 17, 2026
1.0
my order was wrong - had to wait out in front of store in the rain for my order - girl didn’t bring sauces nor ketchup or napkins - I’d asked in drive thru. My order was wrong and incomplete - manager never came to the phone when I called to bring back an order that wasn’t mine -
FP
Fernando Perez
Feb 6, 2026
1.0
One of the worst McDonalds I've been to ngl. If you want a specific sauce make sure to check your bag before you leave, because the Will NOT give it to you and try to charge you .50 cents for it
ME
Michael E.
Jan 31, 2026
1.0
They always make you pull around the front in order to get your meal, good luck finding parking. Often takes up to 20 minutes for them to finally bring our your meal, even on a weekday. Last time I went, I ordered a cheeseburger happy meal with ketchup only. They topped the burger with hot chili sauce instead of ketchup, which wasn't realized until after my kid went to take his first bite and started crying. And every time you have a complaint, good luck trying to call or email them. Phone just rings and you can't leave a voicemail. No response from email complaint form either. Management/ownership is a wreck there, do yourself a favor and drive across the parking lot to Jack or Del Taco. Just read the reviews below, clearly they don't care with their responses to the bad reviews.
What are the 24/7 hours of operation for McDonald's at 3870 Sierra, Fontana?
McDonald's at 3870 Sierra in Fontana is open 24 hours a day, 7 days a week.
Does this McDonald's location offer delivery services?
Yes, this McDonald's provides curbside pickup, delivery, same day delivery, and no contact delivery services.
Is there a drive-thru available at this McDonald's and what are its hours?
Yes, this McDonald's has a drive-thru that operates 24/7 every day of the week.
How can I order McDonald's food online or through mobile apps at this location?
You can order online via https://mcdonalds.order.online/business/-5579 or use the McDonald's App available on iOS and Android.
What payment methods are accepted at this McDonald's?
They accept American Express, Android Pay, Apple Pay, Cash, Discover, MasterCard, and Visa.
What services does McDonald's offer at this location?
Services include Drive-Thru, Gift Cards, McDelivery, Mobile Offers, Mobile Ordering, and WiFi.
Where is the McDonald's located in Fontana, CA?
It is located at 3870 Sierra, Fontana, CA 92336, United States.
Are there any nearby gas stations where I can refuel and grab snacks close to McDonald's?
Yes, nearby gas stations include ExtraMile, Chevron, ARCO, Shell, Speedway, and 7-Eleven, all offering convenience stores for snacks and fuel.
What other fast food options are available near this McDonald's?
Nearby fast food restaurants include Jack in the Box, Del Taco, and Krispy Krunchy Chicken, giving you multiple dining choices nearby.
Are there any local attractions or outdoor activities close to McDonald's at 3870 Sierra where I can visit?
Yes, you can visit Lytle Creek & Bonita Falls, Lytle Creek Shooting Range, Mt Lakes Resort, and Little Creek River for outdoor recreation nearby.
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