SmashBurger Cuisine: American Neighborhood: Avondale 9915 W. McDowell Rd., AZ, 85392 Map It 623-936-3020 Website Best Of Phoenix® Awards 2014 Best Hamburger 2012 Best Hamburger advertisement advertisement Trending Business Phoenix suburb has most expensive ZIP code in Arizona By Morgan Fischer Valley Life 12 most haunted places in Phoenix, Tempe and around Arizona By Benjamin Leatherman and Others Restaurants Food influencer Keith Lee raves over viral Valley bakery By Sara Crocker Politics & Government Marana residents decry possible new ICE prison By Yana Kunichoff and John Washington | AZ Luminaria