Common Level Ratio (CLR) Real Estate Valuation Factors The following real estate valuation factors are based on sales data compiled by the State Tax Equalization Board. From To CLR Factor 7-1-2010 6-30-2011 1.43 7-1-2009 6-30-2010 1.48 7-1-2008 6-30-2009 1.52 7-1-2007 6-30-2008 1.47 7-1-2006 6-30-2007 1.33 7-1-2005 6-30-2006 1.25 7-1-2004 6-30-2005 1.16 7-1-2003 6-30-2004 1.11