Fatburger & Buffalo's Express

Fatburger & Buffalo's Express Fatburger & Buffalo's Express is a popular burger restaurant located on Hamner Avenue, offering handcrafted burgers, sandwiches, sides, and shakes. In addition to the signature Fatburger menu items, they also serve fresh chicken wings and sauces from Buffalo's Cafe. Whether you're in the mood for American fare or vegan options, this fast food restaurant has something for everyone. Come taste what makes them stand out and why it's good to be Fat.
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Recent social media posts

shake month starts NOW 🥤 which one are you grabbing?
09/01/2026

shake month starts NOW 🥤 which one are you grabbing?

our melting-up cheese is honestly so underrated 🧀
08/31/2026

our melting-up cheese is honestly so underrated 🧀

Gotta stay realistic 🤷
08/24/2026

Gotta stay realistic 🤷

10/10 would order again 👌
08/21/2026

10/10 would order again 👌

08/18/2026

And you bet we’re happy about it 🤤

Crisp air. Crisp Dr Pepper. Perfect burger weather. 🍔🥤DR PEPPER is a registered trademark of Dr Pepper/Seven Up, Inc. ©️...
08/10/2026

Crisp air. Crisp Dr Pepper. Perfect burger weather. 🍔🥤

DR PEPPER is a registered trademark of Dr Pepper/Seven Up, Inc. ©️2026 Dr Pepper/Seven Up, Inc.

Word of Advice: Don't sleep on Turkeyburgers 🦃
08/06/2026

Word of Advice: Don't sleep on Turkeyburgers 🦃

07/28/2026

This is a safe space for burger + PEPSI appreciation 😍

Bag secured 🤤
07/21/2026

Bag secured 🤤

We don't make the rules 🤷
07/19/2026

We don't make the rules 🤷

Flatburger = Flat out cheesy & delicious 🧀😮‍💨  Visit fatburger.com/disclaimers for additional details & restrictions.
07/14/2026

Flatburger = Flat out cheesy & delicious 🧀😮‍💨

Visit fatburger.com/disclaimers for additional details & restrictions.

Address

3828 Hamner Avenue
Eastvale, CA
91752

Directions to Hamner Avenue in Eastvale for a dining experience are as follows:

By Public Transport:
- Take the Metrolink train and get off at the East Ontario Station
- From there, take either the Omnitrans bus or Riverside Transit Agency bus and get off at the Hamner Ave. & Schleisman Rd. stop
- Walk north on Hamner Ave. for about five minutes until you reach your desired restaurant

By Driving:
- If coming from westbound CA-60, take exit 47 for Pyrite Street/Hamner Avenue
- Turn right onto Hamner Avenue and continue for about 2 miles until you reach your destination
- If coming from eastbound CA-60, take exit 46 for Day Street/Hamner Avenue
- Turn left onto Hamner Avenue and continue for about 1 mile until you reach your destination

Parking:
The restaurant has a parking lot available for customers on site.

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What people say

Fatburger & Buffalo's Express on Hamner Avenue in Eastvale is a must-visit American restaurant for burger lovers. The handcrafted burgers are the star of the show, made with fresh ingredients and cooked to perfection. But that's not all - their world-famous chicken wings and sauces from Buffalo's Cafe are also a must-try. The menu also includes vegan options, making it a great spot for everyone.

Their social media posts showcase some of their delicious offerings, including their hand-breaded sides and extra-thick milkshakes made with real ice cream. And if you're in need of a pick-me-up, their limited-time iced coffee shakes are sure to hit the spot.

But what really sets Fatburger & Buffalo's Express apart is their commitment to quality. They use only the freshest ingredients and never freeze anything, ensuring that every bite is packed with flavor. And with online ordering and delivery available at participating locations, it's easier than ever to enjoy their delicious food from the comfort of your own home.

Overall, Fatburger & Buffalo's Express on Hamner Avenue is a fantastic American restaurant that delivers on taste and quality. Whether you're in the mood for a classic burger or something more adventurous, they have something for everyone.