This website provides data on starts, completions, sales, permits and value. Forecasts the trends for commercial use of real estate for nine major cities. Provides data on ownership, construction, loans, and sales for the nation and states. Mortgage Bankers Association of America. Monthly Each issue contains a statisical section which gives interest rates and yields on mortgages, types of loans written, secondary market activity data, new construction statistics, etc.
All data is at the the national level.
Mortgage Bankers Association of America. Real Estate Research Council of Southern California at California State Polytechnic University, Pomona. Quarterly Statistical data for Southern California counties. U.S. Census Bureau. Annual Statistics on housing at the national and regional levels, with some data for metropolitan areas.