05/28/2026
At In-N-Out®, we serve only fresh, never frozen, high‑quality ingredients. Every burger is made one at a time, fresh to order. Celebrate National Hamburger Day with a classic!
In-N-Out Burger
- Home
- Rialto
- S Riverside Avenue
- In-N-Out Burger
In-N-Out Burger is a well-established burger restaurant located on S Riverside Avenue. With a history dating back to 1948, In-N-Out Burger prides itself on providing the freshest food and highest quality service to its customers. They continue the legacy of their founder, Harry Snyder, by maintaining their reputation for excellence. In addition to their traditional restaurants, they also operate Cookout Trucks in select areas across 4 states, offering customers the chance to enjoy their delicious food outside of the restaurant. Don't miss out on trying their famous made-to-order fries!
Recent social media posts
Address
1456 S Riverside Avenue
Rialto, CA
92376
Option 1: Public Transport
- From Rialto Metrolink Station, walk south on N Riverside Ave toward W Rialto Ave.
- Continue walking for approximately 0.5 miles until you reach the destination on your left.
Option 2: Driving/Parking
- If coming from the north, take I-215 S and exit at Base Line Rd.
- Turn right onto W Base Line Rd and continue for about 1.5 miles.
- Turn left onto N Riverside Ave and drive for approximately 0.7 miles.
- The destination will be on your right.
Note: These directions are provided without mentioning the specific location or business name. Please refer to a map or navigation app for accurate directions to your desired destination.
Opening Hours
| Monday | 10:30am - 1am |
| Tuesday | 10:30am - 1am |
| Wednesday | 10:30am - 1am |
| Thursday | 10:30am - 1am |
| Friday | 10:30am - 1:30am |
| Saturday | 10:30am - 1:30am |
| Sunday | 10:30am - 1am |
Telephone
Website
Alerts
Be the first to know and let us send you an email when In-N-Out Burger posts news and promotions. Your email address will not be used for any other purpose, and you can unsubscribe at any time.
Shortcuts
Share
Category
What people say
In-N-Out Burger on S Riverside Avenue in Rialto is a burger restaurant that has been delighting customers since it was founded by Harry Snyder in 1948. This establishment takes great pride in providing the freshest food and highest quality service, carrying on the legacy of its founder.
One of the standout features of In-N-Out Burger is its innovative drive-thru two-way speaker box, which was introduced by Harry Snyder himself. This unique feature allows customers to conveniently place their orders and receive their delicious meals without ever leaving their vehicles.
Recently, In-N-Out Burger expanded beyond California with the opening of a new location in Las Vegas. This special restaurant features a double drive-thru lane, offering even more convenience to its valued customers. The opening of this location is dedicated to the Snyder family members who have passed, honoring the legacy they created at In-N-Out Burger.
In addition to their brick-and-mortar restaurants, In-N-Out Burger also operates Cookout Trucks that serve customers outside of their traditional locations. These trucks can be found in select areas across four states, allowing even more people to enjoy the mouthwatering offerings from In-N-Out Burger.
One thing that sets In-N-Out Burger apart from other burger joints is their commitment to serving fresh, made-to-order fries. Since 1948, they have been ensuring that every customer receives piping hot fries that are cooked to perfection.
To top it all off, Lynsi Snyder, the President and Owner of In-N-Out Burger, has recently announced her debut book titled "The Ins-N-Outs of In-N-Out Burger." This exciting news gives fans an opportunity to learn more about the history and inner workings of this beloved burger chain.
In conclusion, In-N-Out Burger on S Riverside Avenue in Rialto continues to uphold its reputation for excellence by providing fresh food and exceptional service. With its innovative drive-thru system, expansion into new locations, Cookout Trucks, commitment to quality fries, and the upcoming book release from its President and Owner, In-N-Out Burger is a must-visit for burger enthusiasts.