Rehab mortgage loans might be the answer for home buyers who are looking for a home, but are not finding the perfect home to fit their needs. These loans can be obtained at very competitive interest rates and the rehab mortgage loans can allow homebuyers to finance home repairs within the low interest costs of the financing. Homebuyers can check the various programs online with the internet and discover how qualifying for a rehab mortgage loan works. Fha rehab mortgage program, what is it and how can it benefit you? The fha rehab mortgage program is a special program that allows first time home buyers to finance the purchase of a house and the cost of its improvements through a single mortgage. To meet the requirements of an fha rehab mortgage loan, the property must meet specific criteria.