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A free scan shows the junk files, broken settings and background clutter dragging Windows down - then fixes them in one click.Free scan · Windows 10 & 11Refinancing replaces your existing mortgage with a new one that pays off the old balance. It can lower your payment or borrowing cost, but a lower payment alone does not prove that you save money. The new loan may charge thousands in closing costs, restart the payoff schedule, increase the principal, or extend repayment long enough to offset a lower rate.
The sound decision is to compare the current loan with each refinance offer over the dates you might realistically sell, refinance again, or pay off. Count borrower-paid charges, points or credits, ongoing mortgage insurance, interest, and the remaining balance—not just the advertised payment.
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What a mortgage refinance actually changes
A refinance is a new mortgage secured by the same property. At closing, proceeds from the new loan generally pay off the old mortgage, and you then make payments under the new rate, term, balance and fee structure. The payment can fall because the interest rate is lower, because the new term is longer, or because both changed. The Consumer Financial Protection Bureau (CFPB) warns borrowers to understand how much of a payment reduction comes from the rate versus a longer repayment period. CFPB’s key-terms guidance explains why payment reduction is not the same as total savings.
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Refinancing can also increase the new principal if you roll closing costs into the loan or take cash out. That may reduce the cash needed at closing, but you pay interest on those amounts. A comparison should therefore track both the dollars paid each month and the balance still owed when you expect the loan to end.
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What does it cost to refinance a mortgage?
Costs vary by lender, loan type, property and location. Your Loan Estimate and closing disclosure are the controlling documents for a specific offer. The main categories are:
| Cost category | What it covers | How to evaluate it |
|---|---|---|
| Lender and origination charges | Fees for underwriting, processing and originating the mortgage. Lenders may group or label them differently. | Compare the total and the individual descriptions across offers; do not rely on a single label. |
| Discount points | Upfront charges paid to obtain a lower interest rate. One point equals 1% of the loan amount, but the rate reduction per point varies by lender, loan type and market conditions. | Request offers with the same points—or with no points—before comparing rates. |
| Third-party services | Required services such as an appraisal, title work and title insurance. Some services can be shopped separately. | Check whether the service is lender-selected or available for you to shop, and compare the quoted amount. |
| Government fees | Local or state charges connected with the mortgage or real-estate transaction. | These generally do not vary by lender, so treat them separately from negotiable lender pricing. |
| Prepaid items and escrow deposits | Interest from closing to month-end, homeowner-insurance premiums, and initial deposits for future taxes and insurance. | Separate timing and escrow funding from fees that compensate the lender. These amounts may be due at closing without being an added lifetime cost. |
| Mortgage insurance and other ongoing charges | Mortgage insurance can be an ongoing cost of borrowing. Property taxes and homeowner insurance may be collected with the payment but generally exist whether or not you have a mortgage. | Include loan-related recurring charges in the refinance comparison, while identifying ordinary homeownership costs that would remain either way. |
The CFPB’s explanation of mortgage costs is available at What costs come with taking out a mortgage? It distinguishes fees from prepaid items and deposits, which helps prevent treating every dollar due at closing as lender profit.
Why the “break-even” calculation is only a first screen
A quick screening formula is:
Borrower-paid upfront refinance costs ÷ monthly payment savings = approximate months to recover the costs.
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For example, if a hypothetical refinance requires $6,000 of borrower-paid costs and lowers the comparable monthly principal-and-interest payment by $200, the simple result is 30 months. You would need to keep the new loan long enough to pass that point before the payment difference alone exceeds those costs.
This calculation is not a complete financial comparison. It can mislead when:
- the new loan has a longer term or restarts amortization;
- the payment comparison includes different tax, insurance or escrow amounts;
- costs are added to the new principal rather than paid in cash;
- the refinance changes mortgage insurance;
- you sell, refinance again or pay off the loan before the calculated month; or
- the old and new loans have different remaining balances.
A lower payment may come from stretching repayment over more years. You could reach the apparent break-even point while still owing substantially more than you would have under the current loan. The CFPB recommends comparing total costs over several possible timeframes, not relying on one break-even date. See its mortgage key-terms guidance.
A better way to decide whether refinancing is worth it
Use the current mortgage as the baseline and compare the actual Loan Estimates and payoff information for each offer. Evaluate the cash outlay and loan balance at the dates that matter to you.
- Obtain the current payoff information. Confirm the exact principal balance, interest rate, remaining term, payment breakdown, mortgage-insurance status and any payoff fee. A statement balance may not equal the payoff amount on a particular date.
- Collect comparable Loan Estimates. Ask each lender to quote the same loan amount, term and points or credits where possible. Keep rate, points and lender credits visible rather than comparing a low rate from one offer with a no-cost offer from another.
- Separate costs from prepaid items. Identify lender charges, points, third-party services, government fees, prepaid interest and escrow deposits. Decide which amounts you will actually pay, which will be financed, and which would occur as timing items regardless of the lender.
- Calculate the new payment on a like-for-like basis. Compare principal and interest separately from taxes, insurance and escrow. Then identify any change in mortgage insurance or other loan-related recurring charges.
- Model several possible end dates. Use the shortest, longest and most likely periods you may keep the home or new loan. At each date, record cumulative payments, refinance costs, interest paid and the remaining principal for both the current loan and the refinance.
- Include the “do nothing” option. If the current loan produces the lower total outlay or a better remaining balance over your likely timeframe, keeping it is a valid result.
- Stress-test your assumptions. Consider a sale, another refinance, job or income changes, and whether you can comfortably pay the closing cash without reducing emergency reserves.
This comparison is a practical application of the CFPB’s advice to examine multiple timeframes. It is not a CFPB-prescribed formula. The winning offer is the one that best fits your expected holding period, cash position and risk—not necessarily the one with the lowest advertised rate.
Points and lender credits: paying now versus paying later
Points and lender credits are opposite ways to price the same tradeoff. Points increase your upfront cash requirement and generally reduce the interest rate. Lender credits reduce upfront costs and generally result in a higher rate. The amount by which one point changes the rate is not fixed; it varies by lender, loan kind and market conditions.
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The CFPB recommends requesting scenarios both with and without points or credits, then comparing the shortest, longest and most likely periods you may keep the loan. Its guidance is at How should I use lender credits and points?
When points may fit
Points can make sense when you have sufficient cash, expect to keep the mortgage long enough for the monthly interest reduction to exceed the upfront charge, and are comfortable that the rate is genuinely lower for the same loan structure. Compare the added cash with the projected interest and balance differences at your possible payoff dates.
When credits may fit
Credits can help when preserving cash is more important than obtaining the lowest possible rate, or when you may sell or refinance before a point-based rate reduction pays back. A “no-cost” refinance is not free: the lender generally recovers the credit through a higher rate or other pricing. Compare total costs rather than accepting the label.
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How to compare lenders fairly
Ask lenders to quote the same amount of points or credits. Otherwise, a lower rate may simply reflect that you paid more upfront, and a lower closing figure may reflect a higher rate. Hold the structure constant first; then decide whether changing the points-and-credits combination improves your result over your expected timeframe.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Tax treatment of refinance points
Tax treatment should not be the reason you refinance without checking the applicable rules. IRS Publication 936 (2025) says refinance points generally cannot be deducted in full in the year paid, even when the new mortgage is secured by your main home. Qualifying points are generally deducted ratably over the life of the new loan, subject to eligibility requirements and broader mortgage-interest limits.
The publication describes an exception for the portion of refinance proceeds used for qualifying substantial improvements to the main home, provided the required tests are met. If a mortgage ends early, remaining eligible points may generally be deductible then. If you refinance with the same lender, the remaining balance is generally spread over the new loan term instead. Your facts, use of proceeds, filing status and applicable limits matter, so consult the current IRS rules and a tax professional for a personal determination.
IRS examples are illustrations, not typical-market statistics. For instance, Publication 936 describes a $100,000, 20-year mortgage with $4,800 in points and three payments in the tax year, resulting in a $60 ratable deduction under the example’s assumptions. That figure should not be treated as a normal refinance outcome.
Common mistakes that make a refinance look cheaper than it is
- Comparing payment only. A longer term can lower the payment while increasing interest or leaving a higher balance at your planned payoff date.
- Ignoring financed costs. Adding fees to principal avoids a cash payment but creates a larger interest-bearing balance.
- Mixing escrow with true costs. Initial tax and insurance deposits affect cash needed at closing, but they are not automatically an extra lifetime expense.
- Using inconsistent offers. Comparing points on one quote with credits on another hides the real price of the rate.
- Assuming taxes create a benefit. Deductibility depends on IRS rules and your eligibility; a possible deduction does not guarantee that refinancing saves money.
- Using a generic “typical” break-even period. There is no reliable universal duration. Your balance, term, rate, costs and holding period determine the result.
- Forgetting mortgage insurance. A new loan can add, remove or change this recurring borrowing cost.
- Overlooking cash reserves. A mathematically favorable refinance may be imprudent if closing costs consume funds needed for emergencies or near-term obligations.
Questions to ask before signing
- What is the exact borrower-paid total, excluding refundable or timing-related escrow deposits?
- How much of the payment reduction comes from the interest rate, and how much comes from extending or restarting the term?
- Are points or lender credits included, and what would the rate and costs be with neither?
- Which third-party services can I shop for, and are the estimates likely to change?
- Will mortgage insurance or other recurring loan charges change?
- What will I owe on the current and new loans at the dates I might sell or refinance?
- What happens to remaining points if this loan is paid off early?
The bottom line on refinancing costs
Refinancing is worth considering when the new loan’s lower interest and other benefits outweigh its upfront and ongoing costs over the period you realistically expect to keep it. Start with the actual Loan Estimates and payoff figures, compare several possible end dates, keep points or credits comparable, and track the remaining balance as well as the payment. If the analysis only works because the term is much longer, because costs are financed, or because a tax deduction is assumed, the apparent savings may not be real.
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