WSU Extension > Jefferson County > Loading view. There were no results found. There were no results found. Events 4-H Building – Jefferson County Fairgrounds 4-H Building - Jefferson County Fairgrounds 4907 Landes St Port Townsend, WA 98368 United States Get Directions (360) 379-5610 ext. 201 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