This article intends to present the significance of mortgage financing in emerging markets and explain how mortgage financing affects positively the economies of emerging countries. It will also show the legal foundations of the real-estate mortgage law and the prerequisites for a successful mortgage financing system. This article intends to define the main challenges that some consider a hindrance to the development of the mortgage market in the Arabian Gulf countries. From this perspective, a brief comparative analysis of mortgage financing will focus on varying laws and regulations that apply to real-estate mortgages in the Gulf region. Implications for the development of the mortgage market in Arabian Gulf countries will be based on challenges in the mortgage market.