Jumbo Mortgage simply refers to the dollar amount of a mortgage.
In 2017 conforming loans were loans that were $424,100– $636,150 for a 1 unit house with the limit based on the location of the property. A mortgage over $636,150 is considered a super jumbo loan.
Conforming loans are ones that adhere to the loan requirements set forth by Fannie and Freddie Mac. Conforming loans are loans that Fannie and Freddie Mac will buy from lending institutions.