In-N-Out Burger

4.6
(2,956 Reviews)
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Ratings of In-N-Out Burger

google
Google
4.7
(2,608 Reviews)
yelp
Yelp
4.1
(299 Reviews)
tripadvisor
TripAdvisor
4.5
(49 Reviews)

Happy Hours & Specials

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Photos

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Location & Hours

Classic burger chain serving customizable burgers, hand-cut fries & shakes.

583 Grand Ave
San Marcos, CA 92078
Monday
10:30 AM - 1:00 AM
Tuesday
10:30 AM - 1:00 AM
Wednesday
10:30 AM - 1:00 AM
Thursday
10:30 AM - 1:00 AM
Friday
10:30 AM - 1:30 AM
Saturday
10:30 AM - 1:30 AM
Sunday
10:30 AM - 1:00 AM

Recent Reviews

google
Mar 2024
I think the wedge onions bigger than the burger.
google
Mar 2024
Like every In-N-Out location, this one is just as busy. There is always a huge line here but that’s typical. My coworkers and I picked up some food for a team lunch, a few double doubles, lettuce wrapped cheeseburger and a 4x4. Can’t forget the spread as well. Nice food, In-N-Out never misses!!
google
Mar 2024
Tre at the drive through didn’t really greet us. And kind of stood there until we asked him if he’s ready. Kinda awkward.
google
Mar 2024
Perfect every time
google
Mar 2024
Love the animal fries!!!! And strawberry shake. And free hot cocoa for the kids on rainy days.
google
Mar 2024
Top 30 In-N-Out Secret Menu Items 1. Extra Toast This is for all my fellow toast enthusiasts! Your hamburger bun will be left on the grill for an extra minute or two, making it that much crispier and a whole lot yummier. Yes, it's free of charge. 2. Mustard Grilled Guys, this one is no joke. Just say the word and the cook squirts mustard on the top of the patty and flips it, so it literally sizzles and seeps inside the meat *while* on the grill. I mean… 3. Cold Cheese It’s exactly what it sounds like. Sub in the regular melted American cheese with a slice of cold cheese if that’s your thing. 4. Double Meat Order two beef patties but keep the rest of the toppings (tomatoes, lettuce, cheese, etc.) the same for a more meaty experience than your classic Double-Double. 5. 3x3 (aka Triple Triple) This burger comes with three beef patties and three slices of American cheese. 6. 4x4 (aka Quad Quad) This bad boy contains four (!) beef patties and four (!) slices of American cheese. 7. Grilled Cheese The ultimate vegetarian item on the menu: Ask for two slices of American cheese, lettuce, tomato, spread, and onions on a bun. 8. Cheesy Wiki JIC a regular grilled cheese isn't enough to happily glue your teeth together: This bb has *four* slices of cheese. 9. Protein Style Gluten-sensitive? Just a big fan of romaine? Get your burger wrapped in lettuce instead of a bun. 10. Tomato Wrap If you're bored of the infamous "Protein Style", you can get any burger you want wrapped in two slices of tomato instead of bread. Messy, but I am totally here for it. 11. Medium Rare With the exception of Nevada (due to state laws), you can ask to get your burger cooked medium rare, if that's your thing. 12. Animal Style Burger This ~extra~ beef patty is cooked in mustard and comes with extra spread and grilled onions. 13. Flying Dutchman Ask for two slices of cheese melted between two burger patties—that’s it. No bun, no greens. 14. Wishburger or Veggie Burger This sandwich is stuffed only with vegetables—no meat or cheese. 15. Chopped Chilies Add a sprinkle of hot chopped peppers to the bottom bun for some extra spice. 16. Grilled Onions or a Grilled Whole Onion Swap out standard-issue raw onions for sweet and savory caramelized ones. 17. Scooby Snack A single grilled beef patty. Y'know, just for a little snack. 18. Doggy-Style A protein-style grilled cheese with fries *inside* the lettuce sandwich. 19. Fries Well Done Want your fries crispier than usual? Simply ask for a batch that spent more time in the fryer. (Soooo worth it.) 20. Fries Light Order lightly-fried potatoes. (UM, I'M JUDGING YOU.) 21. Animal Style Fries Arguably one of the most popular secret menu items. Top your fries with cheese, spread, and grilled onions. A classique. 22. Cheese Fries If the pile of stuff above isn't your scene, just ask for cheese fries. :) 23. Roadkill Fries If animal-style fries aren't enough for you, order the roadkill fries. AKA, it's a flying dutchman on top of animal fries. Oooooohboy. Advertisement - Continue Reading Below 24. Root Beer Float Order a half cup of root beer, and ask for a swirl of vanilla shake on top. 25. Black and White Shake Ask for chocolate and vanilla swirled together. 26. Neapolitan Shake Order three shake flavors (chocolate, vanilla, strawberry) in one cup. 27. Around the World Shake Every ice cream flavor combined. I mean, sure. Why not? Advertisement - Continue Reading Below 28. Lemon Up We love a good two-in-one deal. And that deal is pink lemonade mixed with 7-Up? Umm, yes please and tysm. 29. Pup Patty An unsalted patty FOR YOUR FLOOFY FRIEND. Brb, sobbing forever. 30. 16x16 According to the same Reddit AMA mentioned above, staff members are not allowed to make anything larger than a 4x4 anymore. But, I have on record from a native Californian and In-N-Out Expert™ (aka my boyfriend) that the elusive 16x16 still exists out there. I'll let the X-Files theme song play you on your way out. As of 2024 Source Cosmopolitan Magazine Vegetarian options: Veggies are a must! Checkout the secret menu items while it's limited it's still very much possible. Dietary restrictions: The great thing about In-N-Out is it customizability. Get creative people! Parking: There are busy hours during lunch but most of the time there's plenty of parking the line is at the drive through which is in a difficult spot with the adjacent parking lot


Frequently Asked Questions

What is In-N-Out Burger's rating?
In-N-Out Burger is rated an average of 4.6/5 stars across various online platforms.

Nearby Locations

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(800) 786-1000

583 Grand Ave, San Marcos, CA 92078