Union City's Best Mexican Restaurant [Updated 2026]

Union City's Best Mexican Restaurant [Updated 2026]
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After scouring the streets and indulging in countless tacos, enchiladas, and sizzling fajitas, I’ve narrowed down the top 12 Mexican restaurants that truly stand out in Union City. Trust me, I’ve tasted it all—from the fire-roasted salsas that pack a punch to the guacamole that’s so creamy it should come with a warning label.

With years of experience sampling the vibrant flavors of Mexican cuisine, I’m here to share my insights and help you navigate this delicious culinary landscape. Whether you’re a local or just passing through, get ready to elevate your dining experience with some of the most mouthwatering dishes this city has to offer!

Don Julio's Taqueria & Catering

Don Julio's Taqueria & Catering
🗺️ 34910 11th St, Union City, CA 94587
☎️ +1510-605-9337
🌐 Website
Sunday: 9 AM–7 PM
Monday: Closed
Tuesday: 9 AM–8 PM
Wednesday: 9 AM–8 PM
Thursday: 9 AM–8 PM
Friday: 9 AM–8 PM
Saturday: 9 AM–8 PM
Highlights
Fantastic super burritos
Crisp tortilla perfection
Fresh ingredients
Kind and attentive staff
Cute interior decor

Visiting Don Julio's Taqueria & Catering was nothing short of a delightful adventure for my taste buds! As I stepped inside, the charming decor created a warm and inviting atmosphere. I couldn’t wait to dive into their menu, and I must say, the fantastic super burritos caught my attention immediately.

I opted for the carnitas super burrito, and my expectations were exceeded. The burrito was a perfect symphony of textures, wrapped in a crispy tortilla perfection that held everything together beautifully. Each bite was a celebration of fresh ingredients, and it was evident that the culinary team pours their heart and soul into every dish.

What truly made my experience stand out, though, was the kind and attentive staff. From the moment I entered, their welcoming smiles made me feel like family. As I savored each bite, it was clear that Don Julio's prides itself on not just serving food, but creating an experience that makes you want to return.

So, if you're seeking a true taste of Mexico right here in Union City, look no further than Don Julio's Taqueria & Catering. You won’t be disappointed!

You might also want to check out the best mexican restaurant in Modesto.

Los Mariscos Sinaloenses

Los Mariscos Sinaloenses
🗺️ 33306 Alvarado-Niles Rd, Union City, CA 94587
☎️ +1510-471-4525
🌐 Website
Sunday: 10 AM–9 PM
Monday: 10 AM–8 PM
Tuesday: 10 AM–8 PM
Wednesday: 10 AM–8 PM
Thursday: 10 AM–8 PM
Friday: 10 AM–12 AM
Saturday: 10 AM–9 PM
Highlights
Inconsistent food quality
Slow service issues
Spicy enchiladas available
Delicious camarones a la plancha
Churros with unexpected kick

Los Mariscos Sinaloenses has become a popular spot among locals, and after my visit, I can certainly see why! As soon as you step inside, you’re greeted by vibrant décor that sets the mood for a fun culinary adventure. I started off with their spicy enchiladas, which were a delightful burst of flavor. Each bite carried just the right amount of heat to keep things exciting without overwhelming the palate.

For my main course, I couldn't resist trying the camarones a la plancha, which were perfectly grilled, juicy, and rich in flavor. It's clear that the kitchen prides itself on balancing the traditional with the fresh, but I have to admit, I've encountered some inconsistency in the food quality during previous visits.

While my experience was largely positive, I did notice that service can be a little slow at times. However, the charming atmosphere and the delightful churros—featuring a surprising kick that I didn’t see coming—made it all worthwhile. Overall, despite a few hiccups, Los Mariscos Sinaloenses offers an experience that's both fun and flavorful, solidifying its place as one of the noteworthy contenders in Union City.

You might also want to check out the best mexican restaurant in Vacaville.

Lalo’s Taqueria

Lalo’s Taqueria
🗺️ 28293 Mission Blvd, Hayward, CA 94544
☎️ +1510-940-0137
🌐 Website
Sunday: Closed
Monday: 9 AM–10 PM
Tuesday: 9 AM–10 PM
Wednesday: 9 AM–10 PM
Thursday: 9 AM–10 PM
Friday: 9 AM–10 PM
Saturday: 9 AM–10 PM
Highlights
Generous portion sizes
Delicious orange salsa
Family-owned atmosphere
Flavorful burritos
Perfectly cooked asada

Lalo’s Taqueria in Union City is a delightful gem that deserves all the accolades! Upon entering, you're greeted with a cozy, family-owned atmosphere that instantly makes you feel right at home. The generous portion sizes are nothing short of spectacular, ideal for both the famished and food enthusiasts like myself.

Now, let’s talk about their mouthwatering burritos. Each bite is bursting with flavor, filled with perfectly cooked asada that practically melts in your mouth—simply divine! But what truly sets Lalo's apart is their signature orange salsa. It’s a tangy, piquant masterpiece that adds a delightful zing to every dish. I found myself wanting to take a jar home—it’s that good!

Whether you're looking for a casual bite or a celebratory feast, Lalo’s Taqueria has all the bases covered. The staff is friendly and attentive, making sure you feel like part of the family. For anyone searching for the best Mexican food in Union City, look no further. Lalo’s Taqueria is a must-visit spot that shouldn’t be missed! Your taste buds will thank you!

You might also want to check out the best mexican restaurant in Roseville.

Los Carnalitos Restaurant

Los Carnalitos Restaurant
🗺️ 30200 Industrial Pkwy SW, Hayward, CA 94544
☎️ +1510-324-8125
🌐 Website
Sunday: Closed
Monday: 9 AM–9 PM
Tuesday: 9 AM–9 PM
Wednesday: 9 AM–9 PM
Thursday: 9 AM–9 PM
Friday: 9 AM–9 PM
Saturday: 9 AM–9 PM
Highlights
Authentic Mexico City-style food
Generous portion sizes
Impressive corn tortilla flavor
Friendly and quick service
Michelin Bib Gourmand nod

Los Carnalitos Restaurant is nothing short of a hidden gem in Union City! As soon as I walked in, the warm, inviting atmosphere made me feel like I’d just stepped into a bustling eatery in Mexico City. The moment I laid eyes on the menu, I knew I was in for a treat. The food here is as authentic as it gets; their Mexico City-style dishes are a true celebration of flavors.

I couldn't resist trying their signature tacos, and let me tell you, the corn tortillas were nothing short of spectacular. It's almost as if they come straight from a rustic kitchen somewhere in Mexico. The portion sizes are generously hearty, ensuring you leave satisfied—if you can resist the urge for a second helping!

Adding to my delight was the service; the waitstaff were not only friendly but also remarkably quick, ensuring that my dining experience was smooth and enjoyable. It's no wonder that Los Carnalitos received a nod from Michelin's Bib Gourmand—this place embodies incredible taste without the fuss. If you’re in Union City and craving authentic Mexican fare, make Los Carnalitos your next stop!

You might also want to check out the best mexican restaurants in Folsom.

El Patio Original

El Patio Original
🗺️ 37311 Fremont Blvd, Fremont, CA 94536
☎️ +1510-796-1733
🌐 Website
Sunday: 9 AM–8 PM
Monday: 9 AM–9 PM
Tuesday: 9 AM–9 PM
Wednesday: 9 AM–9 PM
Thursday: 9 AM–9 PM
Friday: 9 AM–10 PM
Saturday: 9 AM–10 PM
Highlights
Generational family ties
Homemade daily chips
Prompt and attentive service
Welcoming and pleasant ambiance
Community-focused restaurant

El Patio Original truly captures the heart of Mexican cuisine, making it one of the best spots in Union City. As soon as I stepped inside, I was welcomed by a delightful atmosphere that feels as warm as a family gathering. The generational family ties behind the establishment shine through in every dish, a testament to their commitment to authentic flavors.

One of the standout features was the homemade daily chips served with an array of salsas. Each bite was a crispy embrace, enhancing the experience long before the main dishes graced the table. Speaking of which, the service was nothing short of prompt and attentive, making me feel like a valued guest rather than just another customer.

El Patio doesn’t just focus on food; it actively supports the local community, which adds an extra layer of charm to the dining experience. It’s evident that this restaurant is not just about filling bellies but also about creating connections. If you’re on the hunt for a place that balances flavor and familial warmth, El Patio Original is a must-visit. Whether for a casual lunch or a vibrant dinner, it promises not just a meal but an experience that leaves you smiling.

You might also want to check out the best mexican restaurant in Rancho Cordova.

Los Chavitos inc

Los Chavitos inc
🗺️ 3850 Peralta Blvd, Fremont, CA 94536
☎️ +1510-458-9832
🌐 Website
Sunday: 8 AM–10 PM
Monday: 8 AM–9 PM
Tuesday: 8 AM–9 PM
Wednesday: 8 AM–9 PM
Thursday: 8 AM–9 PM
Friday: 8 AM–11:30 PM
Saturday: 8 AM–11:30 PM
Highlights
Authentic CDMX street food
Generous portion sizes
Variety of meat options
Great Tlacoyo with Suadero
Overall good dining experience

Review of Los Chavitos Inc

Nestled in the heart of Union City, Los Chavitos Inc offers a delightful dive into authentic CDMX street food that left my taste buds dancing. As soon as I walked in, the ambiance whisked me away to the bustling streets of Mexico City. The generous portion sizes are certainly eye-catching—perfect for those who believe in the motto "go big or go home!"

One standout dish was their Tlacoyo with Suadero, which was nothing short of a revelation. The combination of textures and flavors had me savoring every bite. With an impressive variety of meat options, from succulent carnitas to flavorful pollo asado, there’s something here for everyone, ensuring a fulfilling experience.

The friendly staff added to my overall enjoyment, making the meal feel personal and warm. It's not just a dining spot; it’s a culinary journey. If you’re in Union City and seeking a genuine taste of Mexico, do yourself a favor and indulge in the vibrant offerings at Los Chavitos Inc. Trust me; your palate will thank you!

You might also want to check out the best indian restaurants in Sacramento.

Bakery La Mejor

Bakery La Mejor
🗺️ 34572 Alvarado-Niles Rd, Union City, CA 94587
☎️ +1510-400-3920
🌐 Website
Sunday: 6 AM–9 PM
Monday: 6 AM–9 PM
Tuesday: 6 AM–9 PM
Wednesday: 6 AM–9 PM
Thursday: 6 AM–9 PM
Friday: 6 AM–9 PM
Saturday: 6 AM–9 PM
Highlights
Authentic Mexican pastries
Warm and welcoming staff
Custom-made delicious cakes
Freshly made daily
Strong community support

Bakery La Mejor is a delightful gem that captures the essence of authentic Mexican cuisine through its delectable pastries and treats. Upon stepping inside, I was immediately greeted by the warm and welcoming staff, a reflection of the community spirit that thrives here. The aroma of freshly baked goods enveloped me, hinting at the treasures that awaited.

Their authentic Mexican pastries are simply to die for! I couldn't resist indulging in a stunning array of conchas and churros, each bite bursting with flavor. It’s a wonder how a place can serve such lovingly crafted items daily—everything is made fresh, ensuring each treat is as good as the last.

Custom-made cakes are another highlight; their intricate designs are perfect for any celebration, accompanied by flavors that dance on your palate. It's easy to see why this bakery has garnered strong community support; it’s truly a place that brings people together.

In my quest to find the best Mexican restaurant in Union City, I can confidently say that Bakery La Mejor deserves a top spot. It’s more than a bakery; it’s a culinary experience filled with warmth, flavor, and community, making it a must-visit for anyone craving a taste of Mexico!

You might also want to check out the best indian restaurant in Folsom.

Portales Taqueria

Portales Taqueria
🗺️ 3153 Castro Valley Blvd, Castro Valley, CA 94546
☎️ +1510-728-0522
🌐 Website
Sunday: 11 AM–7 PM
Monday: 11 AM–8 PM
Tuesday: 11 AM–8 PM
Wednesday: 11 AM–8 PM
Thursday: 11 AM–8 PM
Friday: 11 AM–8 PM
Saturday: 11 AM–8 PM
Highlights
Authentic Mexican flavors
Friendly and welcoming staff
Complimentary chips provided
Open salsa bar with variety
Family recipe traditions

Portales Taqueria has quickly stolen my heart as a premier destination for authentic Mexican cuisine in Union City. Stepping inside, I was greeted by not only the enticing aroma of spices wafting through the air but also by a truly friendly and welcoming staff that made me feel right at home.

One of the standout features of Portales is their complimentary chips that arrive at your table, fresh and crispy, ready to be dipped in their delightful salsas. Speaking of salsas, the open salsa bar showcases a vibrant array of options, each with its own distinct flavor profile—a perfect accompaniment to the dishes I was eager to explore.

The menu is a treasure trove of authentic Mexican flavors, each plate reflecting the family recipe traditions that keep customers coming back for more. Whether I indulged in their savory tacos or the rich, comforting enchiladas, each bite reminded me of why Portales Taqueria stands out in a sea of culinary options.

If you’re on the hunt for the quintessential Mexican dining experience in Union City, look no further—Portales Taqueria is where your taste buds will thank you for the adventure!

You might also want to check out the best asian restaurant in Sacramento.

Suju's Coffee & Tea

Suju's Coffee & Tea
🗺️ 1752 Decoto Rd, Union City, CA 94587
☎️ +1510-400-3187
🌐 Website
Sunday: 6:30 AM–9 PM
Monday: 6 AM–9 PM
Tuesday: 6 AM–9 PM
Wednesday: 6 AM–9 PM
Thursday: 6 AM–9 PM
Friday: 6 AM–9 PM
Saturday: 6:30 AM–9 PM
Highlights
Cozy and productive atmosphere
Extensive beverage selection
Friendly and cheerful staff
Reasonably priced offerings
Perfect for studying and relaxing

Suju's Coffee & Tea is a charming little gem that transcends the typical coffee shop experience. As soon as I stepped inside, the cozy atmosphere welcomed me like an old friend. With its warm colors and inviting decor, it’s the kind of place where the world feels just a bit slower—perfect for a relaxing afternoon or a productive study session.

What truly sets Suju's apart is its extensive beverage selection. While not a traditional Mexican restaurant, it offers a delightful array of teas and coffees that pair beautifully with their pastries and light snacks, allowing for a unique twist on the Mexican culinary landscape. The friendly and cheerful staff makes you feel like you’re part of the family. Their smiles are as warm as the drinks they serve!

I found prices to be quite reasonable, making it a go-to spot for students and professionals alike. So, if you're wandering around Union City and craving a reflective moment over an incredible beverage, consider stopping by Suju's. You might just find your slice of tranquility amid the bustling city!

You might also want to check out the best asian restaurants in Roseville.

Taqueria Extra

Taqueria Extra
🗺️ 39494 Fremont Blvd, Fremont, CA 94538
☎️ +1510-505-9200
🌐 Website
Sunday: 10 AM–11 PM
Monday: 10 AM–11 PM
Tuesday: 10 AM–11 PM
Wednesday: 10 AM–11 PM
Thursday: 10 AM–11 PM
Friday: 10 AM–11 PM
Saturday: 10 AM–11 PM
Highlights
Friendly and fast service
Affordable food options
Decent portion sizes
Ceviche with refreshing lime
Dry carne asada tacos

Review of Taqueria Extra

Stepping into Taqueria Extra in Union City feels like entering a cozy neighborhood hangout, where the aromas of spices and grilled meats greet you with open arms. From the moment I arrived, the service was friendly and fast, making me feel right at home. I was pleased to find that their prices are quite affordable, which is a delightful surprise for quality Mexican fare.

I decided to taste their famed ceviche, which arrived bursting with fresh flavors and a zesty kick of lime that left my taste buds dancing. However, while everything had a solid foundation, the carne asada tacos were a bit dry for my liking. I longed for that juiciness that can elevate a simple taco into a culinary experience.

Nonetheless, the portion sizes were decent, allowing me to leave satisfied. If you're in Union City and craving authentic Mexican cuisine, Taqueria Extra is certainly worth checking out. Bring your friends, share some laughs, and dig into a plate of their delicious ceviche—it truly makes for a memorable outing!

You might also want to check out the best italian restaurant in Napa.

Il Fornaio Sacramento

Il Fornaio Sacramento
🗺️ 400 Capitol Mall, Sacramento, CA 95814
☎️ +1916-446-4100
🌐 Website
Sunday: 4 PM–8:30 PM
Monday: 11:30 AM–8:30 PM
Tuesday: 11:30 AM–8:30 PM
Wednesday: 11:30 AM–8:30 PM
Thursday: 11:30 AM–8:30 PM
Friday: 11:30 AM–9 PM
Saturday: 4 PM–9 PM
Highlights
Best food experience
Great service and staff
Spacious dining area
Happy hour offers
Validated parking nearby

When I stepped into Il Fornaio Sacramento, I immediately felt the inviting atmosphere wash over me. The spacious dining area made it perfect for both intimate dinners and larger gatherings, allowing for a casual yet vibrant dining experience. As I perused the menu, I was excited by the array of mouthwatering Mexican dishes. Each bite was a revelation, a symphony of flavors that showcased the chef's craftsmanship.

The service? Simply exemplary! My server was attentive, knowledgeable, and genuinely enthusiastic about the specials. It was clear that the staff was well-trained and committed to providing a memorable dining experience. Plus, their happy hour offers were a delightful surprise, making it even easier to indulge in a bit of everything.

Oh, and let’s not forget the validated parking nearby—a rare gem in Union City that ensured my dining experience began without the hassle. In summary, if you’re in the mood for a top-notch Mexican meal, Il Fornaio Sacramento should be at the top of your list. The combination of fantastic food, great service, and a lively atmosphere makes it a standout in the bustling Union City dining scene. Don't miss it!

You might also want to check out the best italian restaurants in Woodland Hills.

Taqueria Luna

Taqueria Luna
🗺️ 1790 Whipple Rd, Union City, CA 94587
☎️ +1650-444-2441
🌐 Website
Sunday: 10 AM–5 PM
Monday: 10 AM–8 PM
Tuesday: 10 AM–8 PM
Wednesday: 10 AM–8 PM
Thursday: 10 AM–8 PM
Friday: 10 AM–8 PM
Saturday: 10 AM–8 PM
Highlights
Amazing flautas
Best carne asada
Simple, clean, and tasty
Delicious quesabirria tacos
Family-friendly atmosphere

Taqueria Luna has truly captured my heart—and my taste buds! Nestled in the vibrant corridors of Union City, this charming spot is a treasure for any lover of authentic Mexican cuisine. As I stepped inside, I was immediately enveloped by an inviting atmosphere that effortlessly combines family-friendly warmth with a no-frills approach to dining.

Let’s talk about the food! The flautas were crispy and filled with savory goodness, drizzled with a heavenly sauce that made me swoon. But it was the quesabirria tacos that stole the show; these little wonders are packed with rich, tender meat that melts in your mouth, all while swimming in a dreamy broth that’s just begging to be sipped.

And can we take a moment to appreciate the carne asada? It’s marinated to perfection, leaving a smoky aftertaste that lingers long after the last bite. Taqueria Luna is a testament to what good food should be—simple yet extraordinarily tasty. Whether you're grabbing a quick lunch or enjoying a leisurely dinner with loved ones, this eatery is a must-visit. I can confidently proclaim that Taqueria Luna deserves a spot on the throne of Union City’s best Mexican restaurant!

You might also want to check out the best italian restaurants in Folsom.

Amara VasquezA
WRITTEN BY

Amara Vasquez

Amara Vasquez is a passionate writer and local enthusiast, dedicated to showcasing the vibrant culture and hidden gems of Sacramento, California. With a keen eye for detail and a love for storytelling, she brings the city's diverse experiences to life through her engaging articles.

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Food tour map
The Local's Blackbook 📓

The 48-Hour Insider Itinerary to Sacramento

Join our Sacramento Secrets newsletter and get our 48-hour insider itinerary to the top hidden spots in Sacramento.

  • Custom 3-stop crawl with QR codes for easy navigation
  • 5 photo-worthy hidden gems (Instagram gold)
  • Insider timing tips: when to go to skip crowds
  • Top spots in your inbox every week
Amara Vasquez
Sacramento Black Book
The Local's Blackbook 📓

INSIDER ITINERARY

Join our Sacramento Secrets newsletter and get our 48-hour insider itinerary to the top hidden spots in Sacramento.