Jack in the Box

  3.9 – 1,059 reviews   • Fast food restaurant

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Jack in the Box has always been the place for those who live outside the box. Where you can try new things and order what you want when you want it, while always getting it fast, hot and fresh. If you love the classics, burgers make up the core of our menu with the signature Jumbo Jack®, Ultimate Cheeseburger, the Buttery Jack™ and the Sourdough Jack® on our trademark toasted sourdough. If you seek good value, we offer Jack’s Deals with our famous two tacos, chicken nuggets, Jr. Bacon Cheeseburger and more. We don’t dictate cravings. We serve our full menu, including breakfast, all day every day. Want a burger for breakfast or breakfast sandwich for dinner? You got it.

Burgers, chicken, tacos & breakfast items fill out the menu at this fast-food chain.

✔️Breakfast ✔️Brunch ✔️Lunch ✔️Dinner ✔️Dine in ✔️Take out ✔️Delivery Jack in the Box 91016

Hours

Saturday6 AM–12 AM
Sunday7:30 AM–12 AM
Monday6 AM–12 AM
Tuesday6 AM–12 AM
Wednesday6 AM–12 AM
Thursday6 AM–12 AM
Friday6 AM–12 AM

Address and Contact Information

Address: 100 W Duarte Rd, Monrovia, CA 91016

Phone: (626) 303-0695

Website: https://locations.jackinthebox.com/us/ca/monrovia/100-w-duarte-rd?utm_source=google&utm_medium=local&utm_campaign=google-local

Menu Photos

Order and Reservations

Order: Order online

jackinthebox.com

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Order from Jack In The Box in Monrovia, California

Jack in the Box. OPEN TODAY UNTIL 03:00 AM. 248 W Huntington Dr Monrovia, CA 91016.

All Jack In The Box locations in Monrovia, CA

Get the best Food near Monrovia,ca. Order California for delivery or pickup today … Jack In The Box in monrovia, ca. 248 W Huntington Dr. Monrovia, CA 91016. ( …

Jack in the Box, 100 W Duarte Rd, Monrovia, CA 91016, US

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Reviews

Shari A
Jan. 5, 2026 10:42am
So sorry for the mis typed words below.
Manager: There is nothing to respond to actually.
Your response means nothing.
Did you change all the pictures?
Why no more strips of bacon only bacon bits?
Seems like a bad decision.
Why out of 4-5 employees they only speak 2-3 words of English?
Not 1 person could answer why no more bacon strips, just bacon bits.

Maybe Homeland Security and ICE need to visit the store.
It seems insane that not 1 employee knew English in Monrovia Ca. Not 1.

Dec. 29, 2025. 3:52pm
In one day they do not offer Jumbp Platter.
So I want the egg burrito with strips of pictures and she said they do not carry strips of bacon anymore. All the PICTURES ARE WRONG. All are Fraud she, Adriana, admitted to.. When will the pics be amen down? The manager is off on a break at a store. How many hours quill it be before you gets back I asked Adriana and she said , oh nooo I lied. She won’t be back tomorrow. Why did she lie to me?
Just because it’s all about bacon strips and not bacon hard bits of plastic? Is it because I’m White, I can’t get strips because I’m an old White Lady? Please explain. Why are pictures up of strips but you don’t carry them?
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Patricia Rodriguez
People are so polite here. I’m new to the area and have been here a few times. Workers are so kind and professional. Keep up the good work guys.
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Gordon Zhao
I like the meat rolls and French fries in this store. There are not many places in the store. During the epidemic, many people ate in this store. Most of them are bought back to eat. My daughter likes the Shakes in this store and will come to buy a cup every time after school.
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Nick Gomez
I went in this morning for breakfast. I order ahead as I usually do. When I got to the window the manager working quickly opened it, said “park at spot 1” and then closed it immediately and went back to doing stuff on the order screen. I didn’t even get a chance to ask for condiments or anything so I waited a second to get her attention to make sure I could get some ketchup. She rolled her eyes at me and brushed me off towards the waiting spot. The sever lack of customer service skills is concerning for someone in a management role. I will not be returning to this location. There’s 2 other Jack in The Box restaurants within a mile. I don’t like being made to feel like I’m less than someone when I’m just trying to get breakfast.
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fengjiangli lfj7901
I often come to this store. I like to eat TACO and hamburgers here, and girls like ice cream here. Indoor hygiene is average, there are many bright windows, the meal speed is not very fast, and the service is average.
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Patricia Erhat
If I could give 0 stars, I would. We’re on vacation from out of state and decided to try this place after hearing much about it. What a mistake! The orders were wrong. Instead of a single burger we got an entire meal, the sriracha burger had no sriracha, all the fries were cold, soggy, old, insipid and not safe to eat. We received the wrong drinks, the popcorn chicken was non existent and overly fried,making it more like popcorn rocks. McDonalds would’ve been a better choice. I ended up eating the “beef” patties and had a bad reaction to it. No indication of there was soy in the patty but after the allergic reaction I had, im sure it’s not 100% meat. I just hope I’m ok enough to fly home tomorrow.
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Tony Thu
Total waste of time ordering ahead on the mobile app. They will take their time serving you and will instead take care of drive thru orders and people who order in the store. Very poor customer service.
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Raymundo Rodriguez
We went to this location today like at 1;30 pm when we enter the store nobody greeting us a old lady was in the counter right behind the main one she didn’t even make eye contact with us she took like 4-5 minutes to approach us and she said the regular phrase “ how can I half you “ not even ( hi welcome how can I help you ) this was the worst customer service ever in any fast food testaurante
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Jessie Santana
They have professional services and very friendly staffs and food is very good and the smash jack burger is not anything like the commercial on T.V. looks good on T.V. but realality average burger but very good
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Nancy Gonzalez
Maria took a very long time to help get our order. Multiple people were complaining because she’s very slow taking orders and also giving your order. She has cars just parked and waiting even just for an ice coffe. Management should come and overview this place as it needs customer service to improve.
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