Guide
Recast vs Refinance: How to Choose
Both a recast and a refinance can lower your monthly mortgage payment, which is why they get confused. But under the hood they’re completely different transactions with different costs, requirements, and outcomes. This guide shows you how to choose. To test a specific refinance offer, use the Refinance Breakeven Calculator.
The fundamental difference
- A recast keeps your existing loan — same rate, same term — and simply re-amortizes a lower balance after you make a lump-sum principal payment. Your payment drops; nothing else changes.
- A refinance replaces your loan entirely with a new one: new rate, new term, new closing costs, new paperwork.
In short: recasting adjusts your loan; refinancing replaces it.
Cost comparison
This is usually the deciding factor.
| Recast | Refinance | |
|---|---|---|
| Up-front cost | ~$150–$500 flat fee | 2–5% of loan (often $4,000–$12,000) |
| Appraisal | No | Usually yes |
| Credit check | No | Yes |
| Income verification | No | Yes |
| Time to complete | Days | Weeks |
A recast is dramatically cheaper and simpler. A refinance only makes sense if the rate savings outweigh those costs.
When a recast wins
Choose a recast when:
- You already have a good interest rate and don’t want to lose it.
- You have a lump sum and want a lower payment with minimal cost and hassle.
- You can’t easily qualify for a refinance (income changed, self-employed, credit dipped) — a recast requires none of that.
Because the rate stays put, a recast is the obvious choice in a higher-rate environment where refinancing would actually raise your rate.
When a refinance wins
Choose a refinance when:
- Market rates are meaningfully below your current rate. Capturing a lower rate reduces both payment and lifetime interest.
- You want to change your loan structure — switch from an adjustable to a fixed rate, drop FHA mortgage insurance by moving to a conventional loan, or shorten your term to a 15-year.
- You need to pull cash out of your equity (a cash-out refinance), which a recast can’t do.
The key discipline with refinancing is the breakeven: divide your closing costs by your monthly savings to find how many months until the refinance pays for itself. If you’ll move or pay off the loan before then, it isn’t worth it. The Refinance Breakeven Calculator computes this instantly.
Watch the lifetime-interest trap
A lower monthly payment isn’t the same as paying less overall. If you refinance into a brand-new 30-year term, you may lower your payment but extend how long you pay interest — potentially increasing lifetime cost even at a lower rate. Always compare total interest, not just the monthly number. Our calculators surface lifetime interest so you don’t fall into this trap.
A decision checklist
- Are current rates clearly lower than mine? If no → lean recast (or just prepay). If yes → keep going.
- Will I stay in the home past the breakeven month? If no → recast or do nothing. If yes → refinance is on the table.
- Do I mainly want lower payments, or lower total cost? Lower payments with a great existing rate → recast. Lower total cost with today’s lower rates → refinance.
- Do I have a lump sum? That unlocks the recast option (and prepaying). Compare all paths in the Decision Engine.
Making the call
A recast is the cheap, simple way to lower your payment while keeping your rate — ideal when you have a lump sum and a rate you like. A refinance is worth its closing costs only when it captures a meaningfully lower rate and you’ll stay past breakeven. Run your refinance offer through the Refinance Breakeven Calculator, and compare every option at once in the Decision Engine.
These are estimates meant to guide a conversation with your lender, not financial advice. Get a written quote before you decide.
Run the numbers in our calculator →
Frequently asked questions
Is a recast cheaper than a refinance?
Almost always. A recast charges a flat fee of roughly $150–$500 with no closing costs. A refinance typically costs 2–5% of the loan amount in closing costs, plus an appraisal and credit check.
When is refinancing better than recasting?
When market rates are meaningfully lower than your current rate. A refinance can capture that lower rate and reduce both your payment and your lifetime interest, even after closing costs — as long as you stay past the breakeven point.
Can I recast and refinance?
Not at the same time on the same event, but over the life of a loan you might refinance to a better rate and later recast that new loan after a lump sum. They're separate tools for separate situations.