Mortgage Recasting 2026 — Complete Comparison vs Refinance & Extra Payments

Short answer: Mortgage recasting reduces your monthly payment by adding a lump sum to principal — without changing your rate or term. $250-$500 fee, $5K-$10K minimum lump sum, available on conventional/jumbo loans. NOT available on FHA, VA, USDA. Recast beats refinance when you want to keep your low locked-in rate. $100K lump sum at 5.5% rate → ~$567/month savings, payback in 1 month. Doesn\'t affect credit score (no hard inquiry or new loan).

Need your own numbers? Use the Mortgage Recast Calculator to estimate the new payment, monthly savings, interest savings, and payoff tradeoff after a lump-sum principal payment.

Recast vs refinance vs extra payments

MethodCostImpactLump sum neededWhen bestNotes
Recast (re-amortize)$250-$500 feeLower monthly payment, same term, same rate$5K-$10K minimum typicalHave lump sum + want lower payment + keep low locked rateEligibility: conventional/jumbo most lenders; FHA/VA NOT eligible
Refinance$3K-$10K closing costsNew rate, new term, new paymentNo minimum (cash-out optional)Current rate >0.75% above market OR want different termResets clock; full underwriting required; appraisal needed
Extra principal paymentsFreeSame payment, faster payoff (or save and recast later)Any amountBuilding toward recast; or want guaranteed interest savingsDoesn't lower required payment until recast
Bi-weekly paymentsFree (or $200-$400 service fee — DON'T pay)13 monthly payments per year vs 12; ~5 years off 30-yrNoSteady cashflow + want forced extra principalSelf-implement by paying half-payment every 2 weeks; servicer fees scam

Recast math — worked examples

Original BalanceRateLump SumNew BalanceOriginal PmtNew PmtMonthly SavingsFee Break-Even
$300,0005.5%$0$300,000$1703$1703$0
$300,0005.5%$25,000$275,000$1703$1561$1424 mo
$300,0005.5%$50,000$250,000$1703$1419$2842 mo
$300,0005.5%$100,000$200,000$1703$1136$5671 mo
$500,0006.7%$50,000$450,000$3225$2902$3232 mo
$500,0006.7%$100,000$400,000$3225$2580$6451 mo

Lender eligibility for recasting

Loan TypeRecast Allowed?Min Lump SumFeeFrequency
Conventional (Fannie Mae/Freddie Mac)Yes$5,000-$10,000$250-$500Once per year typical
Jumbo (portfolio loans)Varies$10,000-$25,000$300-$1,000Lender-specific (some unlimited, some none)
FHA loansNON/AN/ANot eligible — only refinance reduces payment
VA loansNON/AN/ANot eligible — only IRRRL refinance available
USDA loansNON/AN/ANot eligible
Non-QM / portfolio loansOften yesVariesVariesLender-specific

Decision flow — when to use which

Q1: Is your current rate at least 0.75% above today\'s market rate?

YES: Refinance (rate savings outweigh closing costs in most cases).
→ NO: continue to Q2.

Q2: Do you have a lump sum of $5,000+?

YES: Recast (keep low rate, lower payment).
→ NO: continue to Q3.

Q3: Do you want to pay off faster?

YES: Extra principal payments (free, faster payoff).
→ NO: continue current schedule or biweekly.

5 common recasting mistakes

  1. Paying servicer "biweekly mortgage" fees ($200-$400/year). You can implement biweekly yourself for free by paying half your monthly amount every 2 weeks — same effect, $0 cost.
  2. Recasting an FHA/VA loan. Not eligible. Use FHA Streamline or VA IRRRL refinance instead.
  3. Recasting after refinancing. If you JUST refinanced into a low rate, recasting forces another fee. Time recasts mid-cycle.
  4. Recasting too small a lump sum. $5K minimum on a $300K loan = $28/mo savings = doesn\'t cover the $250 fee for 9 months. Save up to $20K+ before recasting.
  5. Forgetting investment alternative. If your mortgage is at 4.5% but you can earn 4.5%+ in CDs/I-bonds tax-equivalent, recast may be neutral. Run the math: marginal mortgage rate AFTER tax deduction (if itemizing) vs after-tax CD/bond return.

Related Amortio resources

Sources: Fannie Mae Selling Guide B3-5.4-01 (Mortgage Loan File Documentation), Freddie Mac Single-Family Seller/Servicer Guide §8404, FHA Single Family Housing Policy Handbook 4000.1, VA Lender Handbook (Pamphlet 26-7). Recast fees and minimum lump sum amounts are servicer-specific — always confirm with your specific servicer before relying on this guide. Some servicers (Wells Fargo, Chase, Quicken/Rocket) waive recast fees for relationship customers or large lump sums.