Five Guys®
Five Guys Sierra Square
11:00 AM - 10:00 PM 11:00 AM - 10:00 PM 11:00 AM - 10:00 PM 11:00 AM - 10:00 PM 11:00 AM - 10:00 PM 11:00 AM - 10:00 PM 11:00 AM - 10:00 PM
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Five Guys Sierra Square

11:00 AM - 10:00 PM 11:00 AM - 10:00 PM 11:00 AM - 10:00 PM 11:00 AM - 10:00 PM 11:00 AM - 10:00 PM 11:00 AM - 10:00 PM 11:00 AM - 10:00 PM
Contact
10540 Sierra Avenue
Fontana, CA 92337
US
Main Number
Hours

Store Hours:

Day of the WeekHours
Monday11:00 AM - 10:00 PM
Tuesday11:00 AM - 10:00 PM
Wednesday11:00 AM - 10:00 PM
Thursday11:00 AM - 10:00 PM
Friday11:00 AM - 10:00 PM
Saturday11:00 AM - 10:00 PM
Sunday11:00 AM - 10:00 PM

DELIVERY HOURS

Day of the WeekHours
Monday11:00 AM - 9:30 PM
Tuesday11:00 AM - 9:30 PM
Wednesday11:00 AM - 9:30 PM
Thursday11:00 AM - 9:30 PM
Friday11:00 AM - 9:30 PM
Saturday11:00 AM - 9:30 PM
Sunday11:00 AM - 9:30 PM
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About Five Guys Sierra Square
Welcome to your local Five Guys at 10540 Sierra Avenue in Fontana. With more than 250,000 ways to customize your burger and more than 1,000 milkshake combinations, your perfect meal is just a click away! Whether it’s using fresh ground beef (there are no freezers in our restaurants), double-cooking our fries in 100 percent peanut oil, hand-preparing fresh ingredients every morning or serving peanuts while you wait, we strive to provide the best experience each and every time you visit.
Services Available
  • Delivery
  • Takeout
  • Curbside Pickup
Payment Methods
American Express
Google Pay
Apple Pay
Cash
Discover
MasterCard
Visa
FRESH OFF THE GRILL
Download the Five Guys app now
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Frequently Asked Questions

$Burger

Handcrafted Opportunities

At Five Guys, we’re passionate about the food we serve, who we are as a company, and how we work as a team. We also love to have fun (hence the in-store tunes). Ready to join our family?