Alternative Ways to Pay Off Your Mortgage Early

 May 21, 2001, Revised November 30, 2004, March 22, 2006, November 21, 2006, October 15, 2007, January 10, 2011, March 31, 2014

A standard fully-amortizing mortgage pays off the balance over the term. With a 30-year term, this requires 360 monthly payments, while a 15-year term requires 180 payments. Many lenders, however, offer special loan repayment programs that promise to pay off the balance before term, without imposing much of an added burden on the borrower. This article looks at the most common of these schemes, as well as an alternative that borrowers can adopt on their own.

Bimonthly Payment Plans

On a bimonthly payment plan, the borrower’s monthly payment in split into two pieces of equal size, one due on the 15th of the month and the other on the first. While the borrower makes 24 payments a year instead of 12, they add to the same total. However, the lender credits the half payment on the 15th to the balance on the 15th, which reduces the interest due on the first.  

While the reduction in interest shortens the period to payoff, the impact is small. On 30-year mortgages with rates of 6% or less, payoff occurs after 719 half payments, shaving just one-half of a month off the term. On a 7% mortgage, payoff occurs after 718 half payments, accelerating payoff by one month.   

There isn’t anything wrong with the bimonthly mortgage, provided that paying twice a month is convenient and you don’t give up anything of value to get it. Readers have reported to me that loan officers touting the bimonthly have told them that the term would be reduced to 23 or 24 years, which is nonsense. You can check this out yourself with a spreadsheet called Extra Payments on Bimonthly Payment Fixed-Rate Mortgages.  

This spreadsheet also allows you to assess the impact of additional bimonthly payments, which some borrowers might find an attractive option. As an example, the borrower with a $200,000 mortgage at 4% who pays $477.42 twice a month gets to a zero balance just half a month early. But if the borrower rounds off the payment to $500, payoff occurs after 659 payments, or 30.5 months early. 

Biweekly Payment Plans

A biweekly mortgage is one on which the borrower makes a payment equal to half the monthly payment every two weeks. The payment amount on a biweekly is thus the same as that on a bimonthly. But since there are 26 biweekly periods in a year compared to 24 bimonthly periods, the biweekly produces the equivalent of one extra monthly payment every year.  

This results in a significant shortening of the term. For example, the 4% 30-year loan converted to a biweekly pays off in 310 months – or 25 years, 10 months. The reduction in payoff period is due entirely to the extra payment every year. Payments are credited monthly, not biweekly, so there is no intra-monthly interest savings comparable to that on a bimonthly.

Note that the benefits of any extra payment program increase with the level of interest rates. Using the biweekly example above, the payoff period is 286 months at 7% compared to 310 months at 4%. All these numbers on biweeklies are drawn from another spreadsheet titled Biweekly Mortgages.

There have been biweekly plans in which payments are credited biweekly rather than monthly, but they have been over-priced and their advantage is small. In the example directly above, the payoff period would be 25 years 7 months, or 3 months less than when payments are credited monthly.  

Readers who want to examine these differences further should examine my calculators 2b, Mortgage Payoff Calculator: Biweekly Payments Applied Monthly, and 2bi, Mortgage Payoff Calculator: BiWeekly Payments Applied Biweekly. They show you exactly what the differences are and how they come about. 

Roll-Your-Own Extra Payment Plans

Borrowers who like the idea of accelerating the payoff need not pay extra for the privilege; they can do it themselves. By increasing their monthly payment by 1/12, they will pay off in about the same time as a standard biweekly.  At 4%, payoff is one months later while at 7% it is one month earlier.  

The major difference between a plan administered by a lender and one administered by the borrower is that the first is mandatory, providing a discipline that some borrowers may value. Doing it yourself means that you don’t have to do it, which is an advantage to some but a drawback to others. For further discussion, see Do You Need Help to Repay Your Mortgage Early?


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