Does Recasting Your Mortgage Make Sense?
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A mortgage recast (or re-amortization) is one of the least understood tools in the payoff toolkit. Here's what it actually does — and the twist that makes it a payoff weapon instead of just payment relief.
How a recast works
You make a large lump-sum payment toward principal — say $25,000. The lender then recalculates your required monthly payment based on the new, lower balance spread over the remaining term. Your payment drops; the payoff date stays the same. Lenders typically charge a modest recast fee (often a few hundred dollars) and require a minimum lump amount.
The twist: don't take the lower payment
Here's the move most people miss: after the recast, keep paying your original amount. The gap between the new lower requirement and your old payment attacks principal every month. On a $500,000 loan at 7% with $25K applied at month 12, keeping the original payment finishes the loan in about 25.9 years and saves roughly $138,900 in interest.
When recasting makes sense
Recasting fits windfalls: a bonus, an inheritance, sale proceeds. Unlike refinancing, there's no new loan, no appraisal circus, no thousands in closing costs. The downside: unlike refinancing, your interest rate doesn't change — so in high-rate environments, a refinance later may still beat it.
Run the recast math on your loan in our recast calculator — or see if you qualify for a structured payoff plan.
Calculations are illustrative only, based on the assumptions shown. Not financial advice, not a promise of savings or payoff time, and not a loan quote.
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