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
| Method | Cost | Impact | Lump sum needed | When best | Notes |
|---|---|---|---|---|---|
| Recast (re-amortize) | $250-$500 fee | Lower monthly payment, same term, same rate | $5K-$10K minimum typical | Have lump sum + want lower payment + keep low locked rate | Eligibility: conventional/jumbo most lenders; FHA/VA NOT eligible |
| Refinance | $3K-$10K closing costs | New rate, new term, new payment | No minimum (cash-out optional) | Current rate >0.75% above market OR want different term | Resets clock; full underwriting required; appraisal needed |
| Extra principal payments | Free | Same payment, faster payoff (or save and recast later) | Any amount | Building toward recast; or want guaranteed interest savings | Doesn't lower required payment until recast |
| Bi-weekly payments | Free (or $200-$400 service fee — DON'T pay) | 13 monthly payments per year vs 12; ~5 years off 30-yr | No | Steady cashflow + want forced extra principal | Self-implement by paying half-payment every 2 weeks; servicer fees scam |
Recast math — worked examples
| Original Balance | Rate | Lump Sum | New Balance | Original Pmt | New Pmt | Monthly Savings | Fee Break-Even |
|---|---|---|---|---|---|---|---|
| $300,000 | 5.5% | $0 | $300,000 | $1703 | $1703 | $0 | — |
| $300,000 | 5.5% | $25,000 | $275,000 | $1703 | $1561 | $142 | 4 mo |
| $300,000 | 5.5% | $50,000 | $250,000 | $1703 | $1419 | $284 | 2 mo |
| $300,000 | 5.5% | $100,000 | $200,000 | $1703 | $1136 | $567 | 1 mo |
| $500,000 | 6.7% | $50,000 | $450,000 | $3225 | $2902 | $323 | 2 mo |
| $500,000 | 6.7% | $100,000 | $400,000 | $3225 | $2580 | $645 | 1 mo |
Lender eligibility for recasting
| Loan Type | Recast Allowed? | Min Lump Sum | Fee | Frequency |
|---|---|---|---|---|
| Conventional (Fannie Mae/Freddie Mac) | Yes | $5,000-$10,000 | $250-$500 | Once per year typical |
| Jumbo (portfolio loans) | Varies | $10,000-$25,000 | $300-$1,000 | Lender-specific (some unlimited, some none) |
| FHA loans | NO | N/A | N/A | Not eligible — only refinance reduces payment |
| VA loans | NO | N/A | N/A | Not eligible — only IRRRL refinance available |
| USDA loans | NO | N/A | N/A | Not eligible |
| Non-QM / portfolio loans | Often yes | Varies | Varies | Lender-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
- 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.
- Recasting an FHA/VA loan. Not eligible. Use FHA Streamline or VA IRRRL refinance instead.
- Recasting after refinancing. If you JUST refinanced into a low rate, recasting forces another fee. Time recasts mid-cycle.
- 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.
- 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
- Refinance Calculator
- Extra Payment Calculator
- Mortgage Recast Calculator
- Refinance vs HELOC vs Sell — Decision Tree
- 2026 Mortgage Rate Forecast
- PMI vs MIP vs VA Funding Fee Comparison
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.