Helpful links to affordable housing resources:

St. Charles County Loan & Housing Assistance Programs, City of St. Charles Community Development Block Grant Program, City of O'Fallon Public Assistance Department,  - For information regarding local down-payment assistance programs for first time homebuyers along with other home-ownership related resources.
 
Missouri Housing Development Commission - The affordable housing locator can help you find quality affordable rental housing in the state of Missouri.

U.S Department of Housing & Urban Development - For information about affordable rental housing, home ownership and housing couseling organizations, finding homeless resources, and avoiding foreclosure.