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.
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 |
Address and Contact Information
Address: 583 Grand Ave, San Marcos, CA 92078
Phone: (800) 786-1000
Website: https://locations.in-n-out.com/185
Menu
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Reviews
emily
the customer service here is very kind and attentive. the food also was great. i’m in california for the first time, and this was my first time finally trying in-n-out. i loved it and it was amazing for my first time.
… moreWillis Farnsworth
Wow! Gwyn was one of the politest cashiers I’ve ever had at in n out. A friendly delight. Great energy. Set the tone for the incredible burgers we would soon receive.
… moreJohn Stevenson
Recently stopped in at this location and sat at the bar. Got a great view into the kitchen and the teamwork and customer service was so impressive I had to leave a review. The communication amongst the kitchen staff was amazing with everyone working together to get the food ready as efficiently as possible. Not the mention every time a customer came to ask a question, make an order, or pick up their food an employee came up to them and made eye contact and smiled. Simply 11/10 service and great food.
… moreTim Hess
Had the Double-Double, with fries, protein style. Mighty tasty. Went during lunch, dined inside. Just a short wait. Fries were not real crispy, but probably because they were going through them at a quick pace.
… moreAlexandra
I came tonight and ordered 2 burgers, 2 fries, 2 drinks, and 2 milkshakes. They read the order back to me when I was ordering, and at the counter to pay, but when I opened my to-go bag at home, I discovered they forgot to give me a box of fries. I was definitely disappointed. It was a really easy order and they forgot my food. The worst part is that they were not even busy. There were 2 cars in line in front of me, and no cars behind me. Literally I have never seen an In-n-Out so empty. I definitely will not come back to this In-n-Out. This isn’t the first time this has happened, too. This has happened almost every time I’ve been here. Not reliable at all.
… moreMarina Chen
A staple whenever we’re back in CA. This location is very quick and the burgers are always delicious! Don’t forget to pick up a Neapolitan shake while you’re at it!
… moreTeresa Kao
Highly recommend eating burger asap. Waiting ’til you get home (to have your burger) does not compare to the crisp and fresh taste of a In-N-Out burger fresh and hot as received. Same for the fries which seems to never disappoint. I enjoy the onions both grilled and raw, but it is a personal preference. I always enjoy the kind and helpful service I encounter at In-N-Out burger. The simple menu and prices are always a delight for me.
… moreCarl O’Neil
UPDATE UPDATE: Came back again, ordered a 4×4 Animal style, delicious but too much with the cheese so I’ll either stick with the double double or try a 4×2, that’s 4 patties and 2 slices of cheese.
… morejorge leon
Every time that I have the opportunity to eat at In-N-Out, it has always been the same great experience, so far. Since the moment I walk in the restaurant, everyone is very attentive and friendly. My order is always complete, correct, and tasting delicious. The restaurant is kept clean and organized, and I am sure that I am not the only one who sees how the team works in harmony. But, the most important thing, they work as a team. I really enjoy the experience each visit!
… moreMatthew Alexander
Consistently good. I live in San Diego but never go to In&Out except to take out-of-towners here to eat. Its been about 4 years since the last time & and the food is what I remembered.
… more