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
| Wednesday | 10:30 AM–1 AM |
| Thursday | 10:30 AM–1 AM |
| Friday | 10:30 AM–1:30 AM |
| Saturday | 10:30 AM–1:30 AM |
| Sunday | 10:30 AM–1 AM |
| Monday | 10:30 AM–1 AM |
| Tuesday | 10:30 AM–1 AM |
Address and Contact Information
Address: 1437 N Interstate 35, San Marcos, TX 78666
Phone: (800) 786-1000
Website: https://locations.in-n-out.com/314
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San Marcos, TX, 1437 North Ih-35. – In-N-Out Burger
In-N-Out Burger Restaurant located in San Marcos, TX. Serving the highest quality burgers, fries and shakes since 1948.
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Reviews
Jonathan Uribe
Always the consistent In-N-Out burger that you want and crave. Double double animal style with animal style fries. They are always super nice and because it’s not California, you don’t have to wait more than 10 minutes usually. The chopped chilis is a new pro move for me. The burgers are always so tasty and if you get the fries (well done) you will like them more than you might expect.
… moreBella Secret
first time trying in and out it was good . i expected more but i was good . vanilla and chocolate shakes are bomb ! pink lemonade is fire !
… moreLarry Wilson
Highly impressed with this location. My time at a in and out and I was highly satisfied with the service. The sauce on the fry’s is disgusting though. It’s like a thousand island dressing with cheese. Don’t waste your money on that. The burger was awesome. I’ll be Beck Definitely
… moretabitha roman
Not sure if it was an off day or if it’s just not the same as Cali. Burger bun didn’t have that nice toast on it, patty was unsalted and well done. Animal fries were way overcooked to the point where they turned into more of a chip than a french fry. Just a really disappointing visit.
… moreRobert Cheek
This was our first In-N-Out experience and it was excellent! Ethan took our order and was such a breath of fresh air when it come to customer service (which is something that is becoming more and more rare these days)! He was never without a smile and I heard him pleasantly great everyone as if he was genuinely happy to see them and serve them. Great job Ethan and In-N-Out! You’ve got a new customer in us!
… more德州啟樹
Good burgers as always just that the fries I had today were a bit too dry.
… moreJennifer Liang
First In-N-Out that I’ve been to and was pleasantly surprised by the burger given the super affordable price! Their cheeseburgers are great, though I would pass on the fries as they’re a little dry. All in all, would come again!
… moreSnow The CEO
Oh my gosh. I’ve tried In-N-Out a few times in the town over with a friend in the past, but always got the burger as it would normally come.
… moreJason Brown
The people in this restaurant are super happy! My burger was a burger!
… moreDavid Crow
Depends who’s taking your order and who’s cooking. Some visits taste better than others.
… more