It allows them to qualify for a mortgage, and receive terms that are affordable and favorable. As these are government guaranteed loans, Quicken Loans only requires a minimum credit score of 580 for approval, though you will still have to meet the above stated requirements about income, credit history, etc.here are also different types of loans and loan guarantees that people can qualify for, that will effect the loan you get, no matter where you go. One of the most popular mortgage lenders these days is Quicken Loans.