The 90-Day Window:
Purchasing a home with cash offers the advantage of avoiding mortgage interest payments and the associated debt.
However, if you plan to deduct mortgage interest on your taxes, it’s important to understand the IRS guidelines regarding “acquisition indebtedness.”
Thankfully, the Home Equity Conversion Mortgage (HECM), by far the most popular type of reverse mortgage, never needs to be paid out of pocket and includes robust protections for both borrowers and their heirs.
Understanding Acquisition Indebtedness
The IRS allows taxpayers to deduct interest on mortgages that qualify as “acquisition indebtedness.” This term refers to loans used to buy, build, or substantially improve a primary or secondary residence. To be eligible for this deduction, the mortgage must be secured by the home and meet specific criteria set by the IRS.
The 90-Day Rule for Cash Buyers
For cash buyers, there’s a critical 90-day window to establish a mortgage that qualifies as acquisition indebtedness. If you take out a mortgage within 90 days of purchasing your home, the loan is considered acquisition indebtedness, and the interest is deductible. This rule applies to both primary and secondary residences.
Benefits of Applying for a Mortgage Within 90 Days
1. Tax Deduction Eligibility
By securing a mortgage within the 90-day period, you can deduct the interest on up to $750,000 of acquisition indebtedness, as per the Tax Cuts and Jobs Act of 2017.
2. Financial Flexibility
The funds from the mortgage can be used for various purposes, such as investments, retirement savings, or home improvements. This flexibility allows you to leverage your home’s equity for other financial goals.
3. Potential Investment Opportunities
With current interest rates being relatively low, you might find investment opportunities that yield a higher return than the mortgage interest rate, enhancing your overall financial position.
Considerations Before Proceeding
1. Consult a Tax Professional
Before making decisions, it’s advisable to consult with a tax professional to understand how this strategy aligns with your financial situation and tax obligations. Refer to IRS Publication 936 for detailed information on home mortgage interest deductions.
2. Evaluate Financial Goals
Assess whether taking on a mortgage aligns with your long-term financial objectives and if the potential tax benefits outweigh the costs.



