JEM Development,is a highly successful commercial development and property management company, and a trusted resource for the Yakima Valley. With over 35 years of experience in commercial development, JEM Development has helped position Yakima as the focal point of Central Washingtons business growth. JEM Developments success is largely the result of tourism and ideal metropolitan lease-space. Our portfolio reflects key projects including office, retail, light industrial, and hospitality projects. Future projects also include residential properties.