Can You Recast a Conventional Loan to Get a Lower Payment?

The Quick Read: Usually yes, if the loan is conventional, current, and the servicer agrees to do it. A recast is the servicer’s option, not a borrower right. You send a large lump sum toward principal, and the servicer recalculates the monthly principal-and-interest payment on the smaller balance. The rate, the payoff date, and the loan itself stay the same.

What Is a Recast, Exactly?

A recast is a re-amortization. You pay down a big chunk of principal at once, and the servicer rebuilds the payment schedule on what is left, over the time that remains. Nothing else about the note changes.

The agencies use different words for it. Fannie Mae calls the lump sum a “principal curtailment” and the recast a “re-amortization.” Its Loan Delivery job aid on recast loans says the curtailment reduces the balance and the payment is recalculated over the remaining term. It also says the only change to the original note terms is the lower monthly payment. Freddie Mac’s Guide uses “recast” and the same curtailment language.

That vocabulary matters on the phone. If you ask a servicer for a “recast” and get a blank stare, try “re-amortization after a principal curtailment.”

Who Decides: You, the Servicer, or the Investor?

The servicer decides. The investor that owns your loan, usually Fannie Mae or Freddie Mac for a conforming loan, sets the framework. The servicer chooses whether to offer recasts at all and on what terms.

Fannie Mae’s job aid on processing a principal curtailment says that after a substantial curtailment the servicer “may” agree to reduce the payment. “May” is permissive. A servicer can say no, and some say no to everyone.

Even when the investor allows a recast, you cannot demand one. So the first call is to the servicer, not to a loan officer.

Which Loans Can Be Recast?

Conventional loans are the clean case. Other loan types are harder or closed off.

The government-loan point comes from commentary rather than a program guide, so treat it as “generally not available” and confirm with your servicer. A veteran with a VA loan who wants a lower payment is usually pointed toward a refinance instead.

Jumbo and portfolio loans are not governed by the Fannie Mae or Freddie Mac guides. The owner of the loan sets the policy.

What Does the Servicer Need From You?

Mainly, a current loan and a real lump sum. Beyond that, the requirements are servicer-set.

Fannie Mae and Freddie Mac do not publish a borrower-facing minimum curtailment or fee in the guide sections that cover recasts. Those are set by each servicer. Some servicers set a floor on the lump sum. Some charge an administrative fee. Some want the request in by a deadline after the payment posts. Ask for all of it in writing.

Common servicer conditions, described in general terms:

• The loan is current. On a delinquent loan, extra principal can go first toward curing the delinquency, per Fannie Mae’s Servicing Guide section on additional principal payments.
• The lump sum is large enough to count as “substantial” in the servicer’s view.
• The loan is not brand new. Many servicers want some payment history first.
• The loan is a type the servicer actually recasts.

Typically there is no new credit check, income documentation, or appraisal, because the loan is not re-originated. The servicer sets its own process, though, so confirm.

How Do You Request a Recast, Step by Step?

Work the steps in order. Skipping step one wastes the most money.

1. Call the servicer before you send anything. Find out whether it offers recasts, what the minimum lump sum is, what the fee is, and the deadline for the request.

2. Confirm the loan is current and who owns it. Ask whether Fannie Mae, Freddie Mac, or another owner holds the note.

3. Make the request in writing. Ask for a re-amortization after a principal curtailment, and keep a copy.

4. Send the lump sum labeled as principal-only. An unlabeled payment can be applied as an early installment instead. That does nothing to your required payment.

5. Let the servicer re-amortize. It uses the new unpaid balance, the existing rate, and the remaining term.

6. Sign the paperwork if asked. On Fannie Mae loans the servicer completes an Agreement for Modification, Re-Amortization, or Extension of a Mortgage (Form 181) and decides whether your signature is needed to keep its lien position enforceable. On Freddie Mac loans, the Seller/Servicer Guide allows the payment to be recalculated on the borrower’s request through a modification agreement, either signed by both sides or executed by the servicer.

7. Check the next statement. Confirm the new principal-and-interest payment matches what the servicer quoted.

What Does a Recast Change, and What Doesn’t It?

It changes one thing: the required principal-and-interest payment. Everything else holds.

• Rate: unchanged. A recast does not lower your rate.
• Payoff date: unchanged. A recast does not shorten the loan.
• Escrow: unchanged. Taxes and insurance paid through escrow are not touched.
• Loan amount on record: Fannie Mae’s delivery guidance reports the original loan amount as the note amount, without reduction for the curtailment. It treats the recast as a servicing event, not a new loan.

Terminology differs between the two investors. Freddie Mac still uses a modification agreement document. Same result for you, different paperwork names.

Recast vs. Refinance vs. Just Paying Extra

These three do different jobs. Pick by what you want to change.

A recast skips the origination and closing costs of a new loan. Servicers usually charge an administrative fee instead, which is set by the servicer. For a borrower sitting on a low existing rate, that matters. Refinancing would give up the rate you like.

A refinance fits when you want a different rate or term, not just a smaller payment. Lendmire’s piece How to Lower a High Payment With a Conventional Refinance covers that side of the decision. For buyers still shopping, the available conventional loan programs set the starting point: standard purchases go up to 95% loan-to-value, and 97% for qualifying first-time buyers on a principal residence. A recast only comes up later, after you own the home.

Extra payments are the quiet competitor. Sending extra principal without a recast does not lower your required payment. It shortens the loan instead. Many borrowers assume the payment drops on its own. It doesn’t, not without a re-amortization.

The Trade-Off Nobody Mentions

Keeping the old payment after a lump sum usually saves more total interest than recasting. A recast gives up some of that saving in exchange for a smaller required payment.

Run both outcomes side by side:

• Recast: the payment falls, the payoff date stays, and you carry less required cash each month.
• Keep paying the old amount: the payment stays, the loan ends sooner, and you pay less interest overall.

So the question is not “is a recast good?” It is “do I need the monthly breathing room, or the shorter loan?”

There is also a cash question. A lump sum leaves less money in the bank. A household with thin reserves after the payment may be better off holding the cash and leaving the loan alone. That is a judgment call, not a rule.

Who a Recast Fits

A recast tends to fit when three things are true: you have a lump sum, you like your current rate, and you want a lower required payment without a new loan.

Picture a homeowner who sells a previous home and nets a large sum, but whose current mortgage rate is one worth keeping. A refinance would reset the rate. A recast lowers the payment and keeps the note.

Or say you own a home and receive an inheritance or bonus. You want a lower fixed obligation, but you plan to stay put for years. A recast turns the windfall into monthly relief.

It fits poorly when your main goal is a lower rate, when you would drain your emergency savings, or when your servicer does not offer it.

What About Mortgage Insurance?

A recast does not clearly end mortgage insurance. Treat the two as separate questions.

Across the wholesale conventional programs I work with, mortgage insurance is required above 80% loan-to-value. You can request cancellation at 80% of the original value, with good payment history, no subordinate liens, and no decline in value. The servicer must terminate it automatically at 78% under the Homeowners Protection Act. Ask the servicer how a curtailment is counted toward cancellation.

If the Servicer Says No

You still have options.

• Ask again with the right terms. Request a “re-amortization after a principal curtailment” and ask which policy blocks it.
• Find out who the blocker is. The investor may allow recasts while the servicer does not.
• Keep paying extra. You lose the lower required payment but still shorten the loan.
• Look at a rate-and-term refinance. On a one-unit principal residence this runs to 95% loan-to-value, subject to lender guidelines, with mortgage insurance above 80%. It brings new closing costs and a new note.

Key Terms Defined

Recast: a re-amortization of your loan after a lump-sum principal payment, which lowers the required payment.

Principal curtailment: Fannie Mae’s term for a lump-sum principal payment.

Re-amortization: recalculating the payment schedule on a new balance over the remaining term.

Servicer: the company that collects your payments and manages the loan day to day.

Form 181: the Fannie Mae agreement a servicer completes to document a re-amortization.

Escrow: the account that holds money for your property taxes and homeowner’s insurance.

Where This Leaves You

If you already hold a conventional loan and are weighing a recast against a refinance, Lendmire can help you compare the options and what each one asks of the file. Program figures are subject to lender guidelines and full file review, and nothing here is a commitment to lend.

For your own numbers, request a scenario review with Lendmire.

About Lendmire

Lendmire is a mortgage brokerage (NMLS# 2371349) licensed for consumer mortgage lending in 16 states, arranging FHA, VA, conventional and jumbo purchase and refinance loans through a wholesale lending network. Eligibility is determined by the lender on each file. Scotsman Guide named Lendmire a Top Mortgage Workplace in both 2025 and 2026.

References

1. Fannie Mae Job Aid: Processing a Principal Curtailment on a Recast Loan

2. Fannie Mae Loan Delivery Job Aid: Recast Loan Overview

3. Fannie Mae Servicing Guide C-1.2-01, Processing Additional Principal Payments

4. Freddie Mac Seller/Servicer Guide §8103.3

5. Fannie Mae Job Aid: Guidelines for Delivering Required Fields for Recast Loans