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About

Kosmos Burgers, the ultimate destination for burger lovers, is a premier American restaurant in San Dimas, CA. Located at 416 E Foothill Blvd, we offer a wide range of mouth-watering burgers, breakfast items, and fast food options to satisfy your cravings. As a Breakfast restaurant, we serve up delicious morning meals to start your day off right. Our Fast food restaurant concept ensures quick and convenient service without compromising on quality. At Kosmos Burgers, we're passionate about serving the juiciest Hamburger restaurant experience in town. From classic cheeseburgers to gourmet options, our menu has something for everyone. Whether you're in the mood for a quick bite or a leisurely meal, our friendly staff and cozy atmosphere make us the perfect spot to relax and enjoy a great meal. Come visit us today and taste the difference for yourself!

Kosmos Burgers Review Summary

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4.2
(950 Reviews)
5
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1
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Dirk Hopstein
Dirk Hopstein -Local Guide
3 months ago
Friendly atmosphere and plenty of plates anyone can share. Service has picked up recently and the employees are nice.Vegetarian options: Yes there areParking: Parking stalls all around the building.
Food: 5/5Service: 5/5Atmosphere: 5/5
Rich Gill (Rich AMeN Gill)
Rich Gill (Rich AMeN Gill) -Local Guide
2 years ago
Location: Okay, Parking: Okay, Service: Okay, Price for food received:Decent, Overall: This was a first time try and I have past this place numerous times. I see this restaurant has a strong customer base which is very positive. Since it...Read More
Food: 3/5Service: 3/5Atmosphere: 3/5
Sum Yung Guy
Sum Yung Guy -Local Guide
10 months ago
I could easily post these pics and just write nothing, and the pics would speak for themselves. However, there is so much to say here. When I first opened it up, all I could do was laugh. You could cut it lengthwise and have two,...Read More
Noam Baruh
Noam Baruh -Local Guide
9 months ago
Overall experience not bad at all. old classic American Diner Style. Had for lunch their signature Burger with a side order of friesParking -4/5*Accessibility -3/5*Atmosphere - 4/5*Clean - 3/5*Restrooms - 2/5*Service - 4/5*Food visually -4/5*Food taste -3/5*Food freshness -3/5*Price - 3/5*Total score - 3.5 out...Read More
Food: 3/5Service: 4/5Atmosphere: 4/5
Linda Despard
Linda Despard
2 years ago
When they say big..... they mean big..... got their all meat breakfast burrito. This is a brick of goodness! Great price for the amount of food.. the bonus? It was really good.It took.. breakfast, lunch, dinner, breakfast, and partial snack to finish it. Will definitely...Read More
Ann G
Ann G -Local Guide
a year ago
Grew up comming here, food has always been top notch. They currently have baklava! It's delicious 😋 breakfast, lunch and dinner food are all delicious. Photo is 1 baklava and 1 large French toast!Parking: Small free lot usually a space to park.
Food: 5/5Service: 5/5Atmosphere: 5/5
Melissa Thorpe
Melissa Thorpe -Local Guide
5 years ago
Grilled cheese is good, unfortunately can't try their burgers because they have egg in them.Response to owner: I asked at the drive thru if egg was used in the burgers as a binder and was told yes. I am happy to return and try other...Read More
Marie Pajulio
Marie Pajulio
2 years ago
We always go here to eat whether for breakfast, lunch and dinner whenever we can when we’re around the area...Love the coziness of the place, the ambience, the pine trees outside, the workers are so nice and helpful and the food choices are amazing!!! They...Read More
Di AGU
Di AGU
2 years ago
CALLED IN FOR TWO BREAKFAST BURRITOS AND POTATOES LIGHTLY BROWNED!! Got home the potatoes were were burnt crispy!! NOT HAPPY!!! Cook needs to read the order!! Is he illiterate?Parking: Good parking needs updating
Debbie Bechtel
Debbie Bechtel
2 months ago
Food: 5/5Service: 5/5Atmosphere: 5/5
Henry Ramirez
Henry Ramirez
a year ago
For years I’ve driven past Kosmos and I’ve always told myself I need to try it here someday. Someday came today, and now I wonder why it took me so long. I had the all meat breakfast burrito. Bacon, sausage, ham, eggs and hashbrowns wrapped...Read More
Ruben Cardenas
Ruben Cardenas
10 months ago
The burgers are great, the yellow peppers are fresh and spicy, the mushroom fries are good. Something that I discovered 18 years ago...order a side of fries and a cherry shake. Dip your fries in the shake. Sooo good.Parking: Plenty of parking.Kid-friendliness: They have booster...Read More
Food: 5/5Service: 5/5Atmosphere: 5/5
Ehsan Khan
Ehsan Khan -Local Guide
2 years ago
Loved this place for years! Consistently good with huge burgers to satisfy any and all. The breakfast burritos are huge and so "simple" good.... Meaning it's just straightforward ingredients to make a great tasting food. The All-Meat breakfast burrito is about the size of a...Read More
Mitchell Crawford
Mitchell Crawford -Local Guide
a month ago
Great food made to order.And fun, friendly service too.Now fully staffed for breakfast and lunch.
Food: 5/5Service: 5/5Atmosphere: 4/5
Derek Ortega
Derek Ortega -Local Guide
2 years ago
Had the craving for some hot, delicious French fries and along with some yellow peppers and Catsup, these really hit the spot! I got a small and that was plenty, maybe too much for one person but I'm not complaining, ate them all! The young...Read More
Food: 5/5Service: 5/5Atmosphere: 5/5
Zoe Cheyenne
Zoe Cheyenne
2 years ago
Don't come here unless you want to be kicked out after you place your order and get your food. Forcing a family to eat outside (that has small children) with NO BATHROOM ACCESS is just ridiculous. If I wouldn't have already paid, and my children...Read More
Tiffany Ledesma
Tiffany Ledesma -Local Guide
7 years ago
BEWARE: SOME OF THEM WAY OVERCHARGE!And most of the staff are rude and not very nice. But SOMETIMES the food is good and they sell breakfast all day so we have been here a few times.Yesterday our food was delicious, nice woman helped us and...Read More
Kylie Kitten
Kylie Kitten
3 years ago
The food was good but chicken tenders were small and a little over cooked. They rush the food, time was not taken on the strips! The prices on food seem to vary from what was on menu. The employees are not to friendly.Yes it’s family...Read More
Ladybug
Ladybug -Local Guide
2 years ago
They do not have prices posted on the board on the drive through and we ordered 2 small cokes and one order of onion rings and one small order of fries and when we pulled up to the window it was over 20 dollars for...Read More
Franco Randaccio
Franco Randaccio
2 years ago
We could not get inside of this place. All the doors were locked. We kept knocking but no employees would respond. Place had several people eating inside that saw us trying to enter. I thought that legally a business had to have the doors unlocked...Read More
Casey McGinnis
Casey McGinnis
3 years ago
I will say this the service was extremely friendly and fast. Unfortunately we did not have a good meal from them. We ordered chili burgers, chili fries and within a 5 minute drive home food was cold. it almost felt like food that had been...Read More
Steve Pacheco
Steve Pacheco -Local Guide
2 years ago
Called in an order yesterday so I wouldn't have to wait in the long lines in the drive through. They said it would be ready in fifteen minutes. I pulled up ten minutes after placing my order, only to have the extremely rude "manager"...Read More
Karen Dey
Karen Dey
2 years ago
In response to the owners response to my post: Please ask your staff, I called and specifically asked to speak to the manager and was told you were busy! I specifically asked the female that answered the phone to please replace the entire order...Read More
Sylvia Moreno
Sylvia Moreno -Local Guide
3 years ago
It was my family's first time trying it, we are from out of state, so we are not familiar with this place. We ordered fancy hamburgers with extras, sandwiches to eat, plus side orders. My family and I, all agreed their bread especially the hamburger...Read More
Marisol Trujillo
Marisol Trujillo -Local Guide
8 years ago
Nice people, decent food. I had the turkey combo burger and it was good. Was not over cooked or tasted frozen like most turkey burgers do. The fries were my favirite, perfectly seasoned and crunchy. I also think that they are very generous with portion...Read More
Ryan Rue-Las
Ryan Rue-Las
2 years ago
Horrible service and rude staff. Deliberately ignored a repeated request for a particular food item only to deliver undercooked and unsafe food. As well deliberately ignored choice in drink and treated me nasty at the window. There's a sign saying the service is bad because...Read More
Claire Wallen
Claire Wallen
7 years ago
I am sorry to say this was my first visit here in 2 years since my husband passed away. I brought the kids here today so I could share his favorite seasoned french fries. I ordered a large seasoned fry order. I have...Read More
Marie Walker
Marie Walker -Local Guide
5 years ago
Actually we were very disappointed for the amount of money they charge the portions are small. But the service was great we went in with our smelly Football team and the staff were very attentive and on top of it. Theburgers were alright, chili cheese...Read More
E.R. Burgess
E.R. Burgess -Local Guide
a year ago
Kosmo Burgers is a great drive-thru restaurant that offers excellent breakfast options at reasonable prices. The lunch options are also very good, with a variety of sandwiches and burgers to choose from. But what really sets Kosmo Burgers apart is the friendly service. The staff...Read More
Pastor Yoda
Pastor Yoda
2 years ago
Gave me a sorry grilled cheese with no tuna when I asked for a tuna melt and refused to correct their wrong. I called as soon as it happened and the person who answered the phone told me well all we can do is give...Read More
Dianna Pacheco
Dianna Pacheco -Local Guide
3 years ago
Waited twenty minutes for coffee to go with our breakfast. They forgot to charge me for ranch, so now I'm not going to eat my food. ‍ it isn't my fault they didn't charge me for it and it isn't my fault they refuse to...Read More

Features

Service options

check icon Outdoor seating
check icon Drive-through
check icon Takeout
check icon Dine-in
Delivery

Highlights

check icon Fast service
check icon Great coffee

Popular for

check icon Breakfast
check icon Lunch
check icon Dinner
check icon Solo dining

Accessibility

check icon Wheelchair accessible entrance
check icon Wheelchair accessible parking lot
check icon Wheelchair accessible restroom
check icon Wheelchair accessible seating

Offerings

check icon Coffee
check icon Comfort food
check icon Late-night food
check icon Quick bite
check icon Small plates

Dining options

check icon Breakfast
check icon Lunch
check icon Dinner
check icon Counter service
check icon Dessert
check icon Seating

Amenities

check icon Restroom

Atmosphere

check icon Casual
check icon Cozy

Crowd

check icon Family-friendly
check icon Groups
check icon LGBTQ+ friendly
check icon Tourists
check icon Transgender safespace

Planning

Accepts reservations

Payments

check icon Credit cards
check icon Debit cards
check icon NFC mobile payments

Children

check icon Good for kids
check icon High chairs
check icon Kids' menu

Parking

check icon Free parking lot
check icon Free street parking
check icon Parking

Other

check icon LGBTQ+ friendly