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In-N-Out Burger

In-N-Out Burger In-N-Out Burger is a fast food restaurant specializing in American-style burgers, located on Sierra Avenue. Since opening in 1948, In-N-Out has focused on fresh ingredients and quality food. Their burgers are made with juicy 100% beef patties and crisp, fresh produce. They also offer hand-cut fries and real ice cream shakes. Diners can choose between the single drive-thru lane or sit-down dining room. Their specialties are lunch and dinner, making it a great spot for a quick bite or casual meal.
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Recent social media posts

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!

05/28/2026

During this time of remembrance and gratitude, we are honored to bless 10 families of fallen heroes who shared their courageous stories on our tribute wall with 365 days of In-N-Out Burger® by offering them 365 complimentary meal cards. Blessing these families is a small but sincere gesture for the ultimate sacrifice our fallen heroes made in serving our country.

Visit INOsalutes.com to show gratitude to our fallen heroes by reading their stories on our tribute wall.

05/25/2026

Today and every day, we honor those who gave the ultimate sacrifice in service to our country.

Visit INOsalutes.com to share your gratitude and read the courageous stories on our tribute wall.

05/18/2026

Show gratitude to our fallen heroes and share their courageous stories on our tribute wall. With Memorial Day approaching, we would be honored to bless a family of a fallen hero during this time of remembrance and gratitude, with 365 days of In-N-Out Burger® by offering them 365 complimentary meal cards. Each tribute submitted will be respectfully entered for a chance to receive this special opportunity; a small but sincere gesture for the ultimate sacrifice our fallen heroes made serving our country. For more details, visit INOsalutes.com.

NO PURCHASE NECESSARY VOID WHERE PROHIBITED. Odds depend on entries received. Ends 5/25/2026 11:59pm PT. Rules: INOsalutes.com

Sip in style with our 24 oz Tumbler, featuring a fresh take on our classic drink cup design! Shop now at shop.in-n-out.c...
05/14/2026

Sip in style with our 24 oz Tumbler, featuring a fresh take on our classic drink cup design! Shop now at shop.in-n-out.com.

Our classic Double-Double® is made with two 100% American beef patties, two slices of real American cheese, freshly bake...
05/13/2026

Our classic Double-Double® is made with two 100% American beef patties, two slices of real American cheese, freshly baked buns, sliced onions, crisp lettuce, juicy tomatoes, and our original spread. That’s Quality You Can Taste®!

05/05/2026

Happy Birthday to our President, Leader, and Owner Lynsi Snyder! Thank you for your leadership and the love you show our IN-N-OUT® Family and Customers. Wishing you a blessed day and a year filled with joy!

What began in 1948 as a small hamburger stand in Baldwin Park became California’s first drive-thru, founded by Harry and...
05/03/2026

What began in 1948 as a small hamburger stand in Baldwin Park became California’s first drive-thru, founded by Harry and Esther Snyder. Today, we proudly carry on their tradition of serving you fresh, made-to-order burgers with high-quality ingredients, just as they did from the start. Thank you for allowing us to serve you the In-N-Out® way!

It’s not too late to donate!April is National Child Abuse Prevention Month. When you donate, 100% of your gift will supp...
04/30/2026

It’s not too late to donate!

April is National Child Abuse Prevention Month. When you donate, 100% of your gift will support organizations that help young children find hope and overcome their pasts.

Donate today at ino4kids.org or at any In-N-Out Burger® restaurant.

April is National Child Abuse Prevention Month. Throughout the month, is raising awareness and support for children aff...
04/26/2026

April is National Child Abuse Prevention Month. Throughout the month, is raising awareness and support for children affected by abuse.

By purchasing Foundation merchandise, you are directly contributing to making a meaningful difference in the lives of children.

Shop now at shop.in-n-out.com

Have you visited us in more than one state? Let us know by commenting with each state emoji!
04/24/2026

Have you visited us in more than one state? Let us know by commenting with each state emoji!

We’re excited to introduce, alongside The World Famous KROQ, the new In-N-Out Burger Sound Space at KROQ in Los Angeles....
04/21/2026

We’re excited to introduce, alongside The World Famous KROQ, the new In-N-Out Burger Sound Space at KROQ in Los Angeles. We look forward to bringing people together through live performances, and at select shows, our IN-N-OUT® Cookout Truck will serve fresh, made-to-order burgers to everyone who wins their way in.

April is National Child Abuse Prevention Month, and there is still time for your donation to be matched. When you donate...
04/17/2026

April is National Child Abuse Prevention Month, and there is still time for your donation to be matched. When you donate, 100% of your gift will go to support organizations that help young children overcome their past. All month long, In-N-Out Burger® will match your donations 3-to-1 up to $600,000.

Donate today at ino4kids.org or round-up your order at any In-N-Out Burger restaurant.

Lynsi Snyder

Comment 🍔 when you find all 5!
04/14/2026

Comment 🍔 when you find all 5!

The perfect matching set for everyday wear! Shop our Sand Heather Hoodie, Sweatpants, and Slides at shop.in-n-out.com. ...
04/12/2026

The perfect matching set for everyday wear! Shop our Sand Heather Hoodie, Sweatpants, and Slides at shop.in-n-out.com.

Sourced Fresh. Made Fresh.
04/10/2026

Sourced Fresh. Made Fresh.

April is National Child Abuse Prevention Month. All month long, you’ll notice our restaurant locations displaying materi...
04/02/2026

April is National Child Abuse Prevention Month. All month long, you’ll notice our restaurant locations displaying materials highlighting the In-N-Out Burger Foundation® and how contributions can be made.

During the month of April, In-N-Out Burger® will match your donation 3-to-1 up to $600,000. When you donate, 100% of your gift will support organizations that help young children find hope and overcome their pasts. Donate today at ino4kids.org or any In-N-Out Burger restaurant.

To learn more about the In-N-Out Burger Foundation and see the impact of your donation, follow In-N-Out Burger Foundation.

Since 1948, our fries have been made from whole potatoes that are peeled and diced in each of our restaurants.
03/30/2026

Since 1948, our fries have been made from whole potatoes that are peeled and diced in each of our restaurants.

The perfect combo. Which item do you start with first? Comment below!
03/25/2026

The perfect combo. Which item do you start with first? Comment below!

Quality and freshness are always in season! 🍔🌷
03/20/2026

Quality and freshness are always in season! 🍔🌷

03/18/2026

Fresh. Simple. Delicious. That’s What a Hamburger’s All About®! Inspired by our newest retro long-sleeve design, available at shop.in-n-out.com.

Swipe down memory lane and see some of our iconic Collector Tees throughout the decades. Shop these items and more at sh...
03/15/2026

Swipe down memory lane and see some of our iconic Collector Tees throughout the decades. Shop these items and more at shop.in-n-out.com.

03/10/2026

What is your favorite shake flavor? Comment below! 🍫🍓🍦

Whether it’s inside our dining room, patio, or drive-thru, where do you love enjoying your burger? Comment below!
03/03/2026

Whether it’s inside our dining room, patio, or drive-thru, where do you love enjoying your burger? Comment below!

Comment 🍔 if you can find all 7 differences!
03/01/2026

Comment 🍔 if you can find all 7 differences!

04/06/2017

Address

9855 Sierra Avenue
Fontana, CA
92335

Directions to Sierra Avenue in Fontana:

Public Transport:
1. Take the bus/train to Fontana Station
2. From there, take a taxi/ride-share to Sierra Avenue

Driving/Parking:
1. If coming from the north: Take I-15 S, exit at Sierra Ave and turn right onto Sierra Ave
2. If coming from the south: Take I-15 N, exit at Sierra Ave and turn left onto Sierra Ave
3. Look for parking spots near the restaurant or in nearby parking lots.

Note: This information is not specific to any restaurant and is provided solely for informational purposes.

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

+18007861000

Website

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What people say

Fast food restaurants are known for their quick service and convenience, but what sets In-N-Out Burger apart is their commitment to quality. Located on Sierra Avenue in Fontana, this fast food restaurant offers a menu that is simple yet delicious.

One of the standout items on the menu is their burgers. Made with 100% beef patties that are grilled to order, each bite is juicy and flavorful. The buns are freshly baked, adding an extra layer of texture to the burger. And unlike other fast food chains, In-N-Out Burger only uses fresh produce in their toppings, ensuring that every bite is bursting with flavor.

But it's not just the burgers that make In-N-Out Burger a must-visit spot. Their fries are hand-cut from whole potatoes and cooked to crispy perfection. And for those with a sweet tooth, their shakes made from real ice cream are the perfect treat.

Overall, In-N-Out Burger on Sierra Avenue in Fontana delivers on its promise of "Quality you can taste®." With fresh ingredients and made-to-order burgers, this fast food restaurant stands out from the rest.

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