Refinance vs. Recasting a Mortgage
Recasting a mortgage re-amortizes the loan after a lump-sum principal payment, lowering the monthly payment without changing the interest rate — a lower-cost alternative to refinancing in some situations.
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Refinance
Replaces the existing mortgage entirely with a new loan, potentially at a different interest rate and term, requiring full underwriting and closing costs.
- Can secure a genuinely lower interest rate if current rates have improved
- Can also change the loan term or access cash through a cash-out option
- Involves full underwriting, appraisal, and closing costs
- Not worthwhile if current rates aren't better than the existing mortgage rate
Mortgage Recasting
After making a lump-sum payment toward principal, the lender re-amortizes the remaining balance over the original term at the existing interest rate, lowering the monthly payment.
- Much lower cost than a full refinance
- Keeps the existing interest rate, which is beneficial if it's already favorable
- Doesn't lower the interest rate itself, only re-amortizes the payment
- Requires a substantial lump-sum payment toward principal to be effective
- Not offered by all lenders or loan types
Which one makes sense for you?
A recast can be a low-cost way to lower monthly payments while keeping an already-favorable interest rate, provided a lump sum is available and the lender offers the option. A refinance makes more sense when the goal is actually improving the interest rate or changing the loan structure, not just lowering the payment through extra principal.
Key cost factors.
- Whether the existing interest rate is already favorable compared to current market rates
- Availability of a lump sum to apply toward principal for a recast
- Whether the current lender offers a recasting option at all
- Total cost comparison between recasting fees and full refinance closing costs
Before you decide.
- Is my current interest rate already better than what a refinance could offer today?
- Do I have a lump sum available to apply toward principal for a recast?
- Does my current loan servicer even offer a recasting option, and what's the fee?
Frequently asked questions.
Does recasting shorten my loan term?
Not typically — recasting usually keeps the original payoff date the same while lowering the monthly payment, unlike making extra principal payments without a recast, which can shorten the payoff timeline instead.
All figures on this page are illustrative examples for general education, not quotes, appraisals, or guarantees of actual pricing. Actual costs vary by provider, location, project scope, and market conditions — always get a specific quote before making a purchasing decision.
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