Some of Real Estate Data Sources

• www.census.gov
  
• The U.S. census : could get almost all the housing census data.
• http://www.census.gov/hhes/www/housing.html

• www.nareit.org 
  
• National association of Real Estate Investment Trusts

• www.realtor.com (and www.realtor.org) 
  
•  National Association of Realtor

• www.uli.org
• Urban land institute

• www.huduser.org
• U.S. Department of Housing and Urban Development

• www.nahb.com
  
• National Association of Home Builders
  

• http://www.areuea.org/
• American Real Estate and Urban Economics Association's (AREUEA)