WSU Extension > Yakima County > Loading view. There were no results found. There were no results found. Events WSU Yakima County Extension Office WSU Yakima County Extension Office 2403 S. 18th Street Suite 100 Union Gap, Washington 98903 United States Get Directions 509-574-1600 Today Upcoming Upcoming Select date. Previous Events Today Next Events Subscribe to calendar Google Calendar iCalendar Outlook 365 Outlook Live Export .ics file Export Outlook .ics file