Home PlusThe Arizona Housing Finance Authority’s HOME Plus program offers creditworthy home buyers a 30-year, fixed-rate mortgage, as well as assistance funds that can be applied towards the down payment on the home, or its closing costs up to 5% of the Purchase Price. Available statewide, all Counties, all Cities, within Arizona. Borrower(s) annual income not to exceed $105,291.00 One borrower must complete a homebuyer education course before closing. Reduced mortgage insurance premiums on conventional (Fannie/Freddie) mortgages. All borrowers on the mortgage must have a minimum credit score of 640 or better.