How to Pay Off Your Mortgage in 15 Years Instead of 30

Cut your mortgage timeline in half with extra principal payments, refinancing, and strategic budgeting decisions.

1. Calculate what early payoff actually costs you. Compare your mortgage interest rate to what you could earn investing that extra money instead. If your mortgage rate is 6.5% and stock market returns average 10% over 15 years, you might come out ahead investing. If your rate is 7.5% and you're risk-averse, paying off the mortgage wins.
2. Secure your financial foundation first. Build a 3-6 month emergency fund and max out any employer 401(k) match before attacking your mortgage. These come first because they're either guaranteed returns (the match) or essential safety nets. Don't become house-rich and cash-poor.
3. Choose between refinancing and extra payments. Refinancing to a 15-year mortgage forces the timeline and usually gets you a rate 0.25-0.75% lower than 30-year loans. Making extra principal payments on your current loan gives you flexibility to stop if money gets tight. Run both scenarios with your current rate and closing costs.
4. Pick your extra payment strategy. Add one extra principal payment per year (divide your principal payment by 12 and add that monthly), or round up your payment to the nearest $50-100. On a $350,000 loan at 6.5%, an extra $200/month cuts about 8 years off your timeline and saves $140,000 in interest.
5. Automate the process and track progress. Set up automatic extra principal payments so you don't have to think about it. Check your loan balance annually and recalculate your payoff date — seeing the timeline shrink keeps you motivated. Most lenders provide amortization schedules showing exactly when you'll be done.