Best Mexican Restaurants in Union Square
2 hand-picked restaurants, critic-reviewed and ranked
Last Updated: February 2026
Our Top Pick
Los Tacos No. 1 (Union Square)
High-volume taqueria delivering street-style tacos with rare consistency.
Essential Picks
A Mexico City–style taqueria that runs on speed and precision, turning out deeply seasoned adobada, carne asada, and pollo tacos on supple tortillas. The line moves fast, and the salsa bar lets you dial in heat and acidity to your taste. It’s the area’s most reliable stop for classic street tacos with big, repeatable flavor.
Must-Try Dishes:
Adobada taco with pineapple, Carne asada taco, Chicken taco with salsa verde
What makes it special: High-volume taqueria delivering street-style tacos with rare consistency.
Notable Picks
8.7
A long-running Union Square institution known for tableside guacamole and a deep tequila roster, with a polished, high-energy dining room. Happy hour brings strong margarita value without sacrificing the kitchen’s crowd-pleasing classics.
Must-Try Dishes:
Table-side Guacamole, Tacos de Carne Asada, Pomegranate Margarita
What makes it special: Iconic tableside guac plus a proven, high-volume margarita program.