Jefferson County Property Assessment Study 2015 (PDF) Jefferson County Property Assessment Study 2014 (PDF) Jefferson County Property Assessment Study 2013 (PDF) Jefferson County Property Assessment Study 2012 (PDF) Jefferson County Property Assessment Study 2011 (PDF) Jefferson County Property Assessment Study 2010 (PDF) Jefferson County Property Assessment Study 2009 (PDF) Jefferson County Property Assessment Study 2008 (PDF) Jefferson County Property Assessment Study 2007 (PDF)