Welcome to Taco Diner – located in the heart of Addison on Belt Line Road. Our beautiful patio faces the busy street and is the perfect place to grab a margarita after work. We have happy hour specials, including $5 Mambos & Margaritas, every Monday through Thursday from 4-7pm with music by DJ Ryder Mondays from 5pm-close. Be sure to try our delicious Mango Margarita – a refreshing frozen margarita, just in time for spring.