Belongs to the mortgage company. Housing mortgage loan is a mortgage company, which specializes in providing and managing all kinds of real estate mortgage loans. ? Such lending institutions usually help customers evaluate various mortgage options when buying a new house, or refinance existing mortgages. Some of these companies also help customers compare various types of home equity loans and determine the credit line according to the current net worth of a specific property. Mortgage companies can specifically choose housing or commercial mortgage loans and provide mortgage loans to these two types of customers.