Core Viewpoint - The Trump administration is exploring a 50-year mortgage option to enhance home affordability, which could lower monthly payments but may have significant trade-offs regarding equity and interest costs [2][4]. Mortgage Structure and Impact - A 50-year mortgage could reduce monthly payments from $2,056 on a 30-year loan to $1,823, saving homeowners $233 monthly based on a median home price of $415,200 and a 20% down payment at a 6.3% interest rate [3]. - Homeowners would build equity more slowly due to smaller principal payments, and the total interest paid would increase by 40% compared to shorter-term loans [4]. Regulatory Considerations - Currently, a 50-year mortgage does not qualify under the Dodd-Frank Act, which protects investors if loans default. Changes to this policy could take up to a year and require congressional approval [5]. - Fannie Mae and Freddie Mac could potentially create a secondary market for 50-year mortgages, but lenders may be hesitant to originate these loans without qualified mortgage policy changes [6]. Market Dynamics - The average rate for a 50-year mortgage is expected to be higher than that of a 30-year mortgage due to lack of investor demand and absence of a secondary market for such loans [9][10]. - The proposed mortgage structure may resemble an interest-only loan, as few homeowners are likely to retain a property for 50 years, and home price appreciation has been declining [10]. Affordability Challenges - Experts argue that the 50-year mortgage is not the optimal solution for housing affordability, suggesting that reversing tariff-induced inflation would be more effective [11]. - The future of Fannie Mae and Freddie Mac may hinge on their continued government conservatorship, which could complicate the introduction of a 50-year mortgage product [12][13]. Housing Supply Issues - The Trump administration has identified a significant undersupply of approximately 4 million homes, impacting affordability, and is urging builders to increase housing supply despite builders citing high costs as a barrier [14][15].