Access to needed information is available through the FHWA's Realty homepage. This page provides links to the related sites you will need to visit once you have determined the household income. Items in the yellow portion of the page are subject to change and as the title indicates will display the "Real Estate Topics of Special Interest".
Low-income levels for each area are available by referring to the latest HUD-compiled tables. The new 2005 limits were effective February 11, 2005. Calculation examples are in the appendix.