St. John's county administrative offices are located at 500 San Sebastian View, St. Augustine, FL 32084; phone: 904‑209‑0530.
In 1821, Andrew Jackson established Escambia and St. Johns Counties in the areas known as West and East Florida. St. Johns County encompassed all areas east of the Suwanee River. St. Johns County is home to the City of St. Augustine, the oldest continuously occupied, European settlement in the continental United States. For 200 years, St. Johns County has been a place where families establish their roots and where residents and visitors alike can share history. [storymaps.arcgis.com]