Home Loan Down Payment Assistance Programs in Maricopa County The median sale price for homes across the valley has risen to $275,819 as of August 2016.  Finding affordable housing can indeed be tough, but the good news is that there are three main home loan down payment assistance programs offered in Maricopa County--each program includes flexible debt to income ratios, maximum income ratios based upon applicant income and not household income, loans are available for single family, condo and town home primary residence purchases, grant money can be applied towards down payment and/or