Mustard’s Chicago Style Eatery

Mustard’s Chicago Style Eatery Mustard’s Chicago Style Eatery — the one and only, serving Los Alamitos since the 1980s. Welcome to Mustard’s Chicago Style Eatery!

For 40+ years we’ve proudly operated only one location, bringing Classic Chicago dogs, Italian beef, and more to SoCal with great food, cold beer, and good vibes. We’re a family-owned restaurant serving Los Alamitos, CA for over 40 years. At Mustard’s, we bring the Windy City’s flavor straight to your plate — from authentic Chicago-style hot dogs to classic sandwiches loaded with bold flavors and

tradition. Pair your meal with an ice-cold beer and catch the game on our screens, all while enjoying a laid-back, vibrant atmosphere. Whether you’re craving a true taste of Chicago or looking for your new favorite hangout, Mustard’s delivers the real deal in every bite. We look forward to serving you soon!

📰 For everyone who wanted to read the full feature... here it is. ✨Swipe through to read the complete Los Angeles Times ...
07/20/2026

📰 For everyone who wanted to read the full feature... here it is. ✨

Swipe through to read the complete Los Angeles Times article featuring Mustard’s Chicago Style Eatery.🌭🔥

We’re incredibly thankful for this recognition, but even more grateful for our customers and community. ❤️Thank you for supporting our family-owned business and allowing us to do what we love every day. ❤️🌭

07/17/2026

📣 Big news! 📰🌭
We’re incredibly honored to be featured by the Los Angeles Times Los Angeles Times as one of their favorite hot dog spots in Los Angeles. ✨
As a family-owned business, this recognition means more than words can express. Thank you to every customer who has supported us over the years. We’re proud to serve our community every day, and we couldn’t have done it without you. ❤️
Here’s to many more Chicago dogs and memories to come. 🌭❤️

07/15/2026

sorry i can’t hear u... i’m kinda busy getting my FREE Chicago Dog at Mustard’s 🌭

🌭 Celebrate National Hot Dog Day with us! ❤️✨

Buy any 5 hot dogs and get a FREE Classic Chicago Dog.
📅 Today only (July, 15th) ! Bring your friends & family—we’ll see you soon!
📍3630 Katella Ave, Los Alamitos, CA
viennabeef supportlocal familyowned

07/03/2026

🇺🇸 Get your Chicago fix before the fireworks! 🌭🎇

✨We’re here to fuel your Fourth of July weekend with authentic Chicago-style favorites.

❤️Friday, July 3rd: OPEN 10 AM–8 PM
🤍Saturday, July 4th: CLOSED
💙Sunday, July 5th: OPEN 10 AM–6 PM

📍3630 Katella Ave, Los Alamitos, CA, 90720

Stop by before or after the holiday—we’ll be ready with your favorite Chicago dogs! 🇺🇸🌭

07/03/2026

Still smiling from an amazing day at the America 250th Block Party! ❤️

A huge thank you to the City of Los Alamitos City of Los Alamitos for having us. We loved being part of such a fun celebration and seeing everyone come together over good food and great company.

Happy Birthday, America! 🇺🇸🌭

06/25/2026

✨Join us at the America 250 Block Party! 🌭🇺🇸

Kids ages 10 & under can enjoy a FREE Chicago-style hot dog—first come, first served while supplies last.

📍 10901 Pine Street, Los Alamitos 
🗓️ Thursday, June 25, 2026
⏰ 6:15 PM - 8:00 PM

Come celebrate with us! Thank you City of Los Alamitos for hosting this amazing community event. ❤️

06/21/2026

At the end of the day, all Dad really wants is good food and quality time with family. ❤️
Happy Father’s Day to all the amazing dads out there. We hope you have a great one! 🍻🌭

06/14/2026

What makes a Mustard’s Chicago Dog authentic? 🌭

✅ Vienna Beef ® from Chicago
✅ Steamed poppy seed bun
✅ Traditional Chicago toppings
✅ Served the Chicago way since 1985

Whether you prefer the traditional snap of a steamed dog or the smoky flavor of a char-broiled dog, we’ve got you covered.

Now for the real question...

💨 Team Snappy Steamed

or

🔥 Team Char-Broiled?

06/12/2026

It’s been a while! 👋 We’re back on your feed and ready to serve up some Chicago-style goodness. 🌭

Address

3630 Katella Avenue
Los Alamitos, CA
90720

Opening Hours

Monday 10am - 8pm
Tuesday 10am - 8pm
Wednesday 10am - 8pm
Thursday 10am - 8pm
Friday 10am - 8pm
Saturday 10am - 8pm
Sunday 10am - 6pm

Telephone

+15625981662

Website

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