From the first bite of your burger to your last french fry, quality is the most important ingredient at In-N-Out Burger. Since opening in 1948, we’ve been doing fresh the old-fashioned way. Our burgers are grilled to order made with juicy 100% beef patties and freshly baked buns. We only use crisp, fresh produce, our fries are hand-cut from whole potatoes, and our shakes are made from real ice cream.
Classic burger chain serving customizable burgers, hand-cut fries & shakes. Based on 3 reviews, the restaurant has received a rating of 4.7 stars. Price $
✔️ Dine-in ✔️ Drive-through ✔️ No delivery
Address:
2235 S Mountain Ave, Ontario, CA 91761
Phone: (800) 786-1000
Website: https://locations.in-n-out.com/21
Hours
| Friday |
10:30 AM–1:30 AM |
| Saturday |
10:30 AM–1:30 AM |
| Sunday |
10:30 AM–1 AM |
| Monday
(Labor Day)
|
10:30 AM–1 AM
Hours might differ
|
| Tuesday |
10:30 AM–1 AM |
| Wednesday |
10:30 AM–1 AM |
| Thursday |
10:30 AM–1 AM |
Menu Photos
Photo Gallery
Reviews
dj demon
ALLL FIVE BEST IN AND OUT THE VIBE WENT CRAZY THE STAFF WERE NICER THEN THE STAFF AT CHICK-FIL-A THE HOW DO YOU TURN OF CAPS LOCK FOOD WAS AMAZING I WAS TRYING TO GET A PICTURE WITH THE STAFF BECAUSE THAY WERE SOOO NICE BUT THAY SAID THAY COULDN’T AND BECAUSE THAY WOULD GET IN TROUBLE?!?!? AND I WAS LIKE :○ ‘○’
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Geoff Enright
Great burger joint. Simple menu, with great flavor. There is also a “secret” menu around that if you ask for something a certain way, they will accommodate it. The most common one is asking for fries “animal” style. Which I suggest. You can also ask for your burger to be topped with grilled onions.
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Charlie O’Neill
I am a huge fan of In-N-Out. First time having it in a couple years. Two double doubles were increíble. Asked for fries well done and they were perfect. My cousin got the 3×3 which looked massive. Food came out rapidly and the staff is always so nice. A great experience as always.
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David Contreras
The best hamburgers. The double double very delicious.
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Rock Ayeh
Always delicious. Always full inside but that’s good, means it’s worth the wait to sit.
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Chris Badre
I come here weekly and after this experience I still will. I went on Tuesday night, got my usual 4v4 and fries. In the middle of the night I started having stomach cramps then diarrhea. Went to work extremely tired with my stomach still in pain. I had to leave half way through to buy pepto and go home. Stomach cramps all day, vomited liquids. At 2am Thursday I still feel a faint feeling in my stomach but overall better. Someone didn’t wash thier hands?
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Kimberly
I love this place and the food they serve is always right but most of the time they have a long line however the workers their are always fast and efficient so the wait isn’t too bad
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Richie Laundreaux
First time trying this franchise….place was super busy with plenty of staff in place. We got “In-N-Out” relatively quickly fir an order of 5. The burgers were stacked, fresh, and tasty! The fries were awesome…real fresh potato taste. I’ll definitely be back!
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Madison Menard
Lindsay was the worst employee I’ve met at in n out, she was rude and disrespectful. I was asking for extra pickles for my burger and she was in the middle of visibly flirting with one of the associates. I stood and waited 4 minutes for her to grab pickles because she was batting her eyes at another worker. When she handed me the bag she barely took a glance my way and didn’t apologize. Terrible customer service
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joshua maxwell
My 2nd time at this location, 1st time was normal. The 2nd time, easily the worst in-n-out I’ve ever had. My burger had 2 hard tomato centers, my fries were soggy and not cooked, the milkshake was the sweetest milkshake I’ve ever bought, from anywhere. I threw half the food out. It was a weekday evening and I waited for 15 min inside, at least the food can be what normal in-n-out should be.
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