The Neiman Marcus Building is a department store located in the Main Street District in downtown Dallas, Texas, United States. It was designed by George Dahl for Herbert Marcus, Abraham Lincoln Neiman, and Carrie Marcus Neiman, and opened in 1914; it replaced the first store on the grounds founded in 1907, which burned down in 1913. It is the flagship store of the Neiman Marcus department store chain, and was the corporate headquarters until 2022. The store was previously scheduled to close in March 2025, however, it will now remain open until after the 2025 holiday season. It is the last of the original department stores still serving downtown Dallas. It is listed on the National Register of Historic Places as a contributing property of the Dallas Downtown Historic District.