Amazon purchased a former Ashley Furniture megawarehouse in unincorporated Pierce County for around $220 million on Friday. It marks one of the county’s most expensive real estate transactions, according to property records. The sale, first reported by The News Tribune in Tacoma, included two megawarehouses with a combined 1.1 million square feet at 20623 34th Ave. E. in Spanaway, purchased for around $198 million. Amazon also scooped up about 20 acres of nearby undeveloped land for nearly $22 million. The Seattle-based e-commerce giant plans to open an operations facility at the site, where Amazon workers will pick, pack and ship customer orders, according to Amazon spokesperson Farah Jad. The site adds to around 40 Amazon warehouses in Washington and will provide “faster delivery and great service to local customers,” Jad said. Amazon’s purchase comes as supply outpaces demand for the area’s industrial sites, leaving an increasing number of them empty.…