Mortgage Basics • Education
What is mortgage recasting?
How a lump-sum principal payment plus a recast can lower your payment without refinancing — and how it compares to a refinance.
Mortgage recasting (or re-amortization) is when you make a large lump-sum payment toward principal and your lender recalculates your payment over the remaining term on the lower balance — lowering the payment without refinancing and without changing your rate or term.
How recasting works
With a recast, you pay a significant lump sum toward your principal balance, and the lender re-amortizes the loan — recalculating the scheduled payment across the remaining term based on the new, lower balance. Your interest rate and the loan’s end date stay the same; only the payment changes, because the same term now covers a smaller balance.
Recasting typically requires a minimum lump-sum amount and a modest processing fee, and not every loan type is eligible — many conventional loans allow it, while certain government-backed loans generally do not. Your servicer’s rules determine whether and how you can recast.
Recasting vs. refinancing
Both can lower a payment, but they work very differently. A refinance replaces your existing loan with a brand-new one — new terms, new closing costs, and a fresh qualification based on your current credit and income. A recast keeps your existing loan, rate, and term entirely intact and simply lowers the payment after a lump-sum principal reduction.
That makes recasting attractive when you are happy with your current loan and rate and simply have a lump sum to put toward it — you avoid the cost and re-qualification of a refinance. Refinancing makes more sense when you want to change the rate, term, or loan type itself.
When recasting makes sense
Recasting tends to fit specific situations: you have received a lump sum (from a bonus, a sale, or savings), you want a lower payment, and you like your current loan enough that you do not want to refinance into new terms. It is also useful for buyers who close on a new home before selling a previous one, then apply the sale proceeds to recast the new loan.
It is not always the best move — putting a large sum into home equity ties up that cash, and some borrowers would rather keep liquidity or pursue other goals. As a Florida mortgage broker, New Century Financial Mortgage, LLC can help you weigh a recast against the alternatives. This page is educational and is not a commitment to lend.
Frequently asked questions
What is mortgage recasting?
Recasting is making a large lump-sum payment toward your principal and having the lender recalculate your payment over the remaining term on the lower balance. It lowers the payment without refinancing and keeps your rate and term the same.
How is recasting different from refinancing?
A recast keeps your existing loan, rate, and term and just lowers the payment after a lump-sum principal reduction. A refinance replaces your loan entirely with new terms, new closing costs, and a fresh qualification.
Does recasting lower my interest rate?
No. Recasting does not change your interest rate or your loan term. It lowers the scheduled payment because the same term now covers a smaller balance after your lump-sum payment.
Can every loan be recast?
No. Recasting usually requires a minimum lump sum and a small fee, and eligibility depends on the loan type and servicer. Many conventional loans allow it; certain government-backed loans generally do not.
When does recasting make sense?
It fits when you have a lump sum, want a lower payment, and are happy with your current loan and rate — so you would rather not refinance. It is also common when applying proceeds from selling a prior home to a new loan.
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