Commercial Real Estate Broker in Payson, Arizona. Mark Rein with Rein & Grossoehme specializes in commercial real estate sales of investment properties, leasing and tenant representation throughout Payson, Rim Country and Gila County. Property types include retail shopping centers, single tenant NNN/triple net, industrial, distribution, flex, IOS/outdoor storage, self-storage & mini-warehouse facilities, office, land and development pads.