RS Fab Building LLC bought the 52,067-square-foot Allen Airport Center at 2017-2037 East Maule Avenue in Las Vegas for $3.6 million, or $69 per square foot, from Allen Airport LLC. Avison Young’s Joe Leavitt and Chris Lexis represented the seller; Cushman & Wakefield-Commerce’s Amy Ogden and Danielle Steffen represented the buyer.