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Complete Guide to Refinancing Your Mortgage

What a mortgage refinance replaces, CFPB break-even and rescission rules, and rate-and-term versus cash-out. Education, not advice to refinance.

Published: 2026-09-14

Key takeaways

  • The CFPB defines a mortgage refinance as taking out a new loan to pay off and replace the old loan. Common reasons include a lower rate, a different payment, or borrowing additional money.
  • The bureau's refinance handout says you often repeat many of the same steps and costs as the original loan. Fannie Mae's consumer tools put many closing-cost totals in a 2 to 5 percent band of the loan amount.
  • Federal rescission gives most refinance borrowers until midnight of the third business day after signing, receiving the Truth in Lending disclosure, and receiving two copies of the rescission notice. Saturday counts. Sunday and legal holidays do not.
  • A lower monthly payment can come from a lower rate, a longer term, or both. The CFPB says to separate those two sources before you call the refinance a savings.

Published: 2026-09-14

A refinance replaces your current mortgage with a new one. The new loan pays off the old balance. You then owe the new lender under new terms.

The CFPB's key-terms page states it this way: "Mortgage refinance is when you take out a new loan to pay off and replace your old loan." This page maps the main types, the cost math, and the three-day cancellation right. It does not tell you to refinance.

What kinds of refinance are there?

A rate-and-term refinance keeps cash out near zero and changes the rate, the term, or both. A cash-out refinance replaces the old loan with a larger one and pays you the difference after payoff and closing costs. A streamline refinance, where a program allows it, may reduce documentation. Program rules still apply.

People also refinance to switch from an ARM to a fixed note, to drop mortgage insurance after building equity, or to change loan type. Each goal uses the same legal form: a new first lien. Each goal has a different break-even story.

If the goal is cash and you want to leave the first mortgage alone, a HELOC or home equity loan is a different product. See HELOC versus cash-out refinance for that split.

How do you test whether a refinance recoups its cost?

The CFPB refinance handout says to weigh the cost of the new mortgage against your goal. You receive a Loan Estimate that shows features, any prepayment penalty, and the total dollar cost of the loan. That cost is the price of the possible savings.

A simple educational check is closing costs divided by monthly principal-and-interest savings versus the current loan. If costs are $6,000 and the new payment is $200 lower, the arithmetic recovery is 30 months. If you sell or refinance again before that window, the cash may not come back.

The CFPB also warns that a lower payment can come from stretching the term, not only from a lower rate. Restarting a 30-year clock on a balance that had 20 years left can raise lifetime interest even when the monthly draft falls. Our refinance versus purchase page includes the same break-even formula and a small calculator.

Fannie Mae's consumer tools describe closing costs as commonly 2 percent to 5 percent of the mortgage amount. That is a planning band, not a quote for your file. Price the pieces in the closing cost calculator.

What is the three-day right of rescission?

Purchase mortgages generally cannot be canceled after you sign. Most refinances can. The CFPB says you have the right to cancel a non-purchase money mortgage until midnight of the third business day after three events: you sign the promissory note, you receive the Truth in Lending disclosure (usually the Closing Disclosure), and you receive two copies of the rescission notice.

For this clock, business days include Saturday and exclude Sunday and legal public holidays. If the last event is Friday and no holiday intervenes, the CFPB's example runs through midnight Tuesday. If required notices were missing or wrong, the bureau says the window can run as long as three years. That is a legal fact pattern, not a plan.

If you rescind the refinance, the CFPB warns that the original loan is still due. Rescission undoes the new loan. It does not erase the old one.

What else usually shows up on the refinance file?

Credit, income, appraisal, and title look a lot like a purchase file. Some streamline products waive or reduce pieces. Lender overlays can still sit above the published program. A refinance is not an automatic approval because you already have a mortgage.

Ask whether the current loan has a prepayment penalty. Ask whether the new loan is rate-and-term or cash-out, because pricing and limits often differ. Ask for a zero-point Loan Estimate and a with-points Loan Estimate on the same day.

Rate note: a refinance offer is not a lock until the lender locks it for a stated period. Compare APR, cash to close, and remaining term. Nothing here guarantees an APR or forecasts a market move.

Disclaimer: this guide is for general education. HomeMortgageOnline is not a lender, broker, or loan originator. It does not take applications, lock rates, or give financial advice. Real offers vary by credit, down payment, loan type, points, fees, and market conditions.

Sources

  1. Consumer Financial Protection Bureau, Mortgage answers key terms (mortgage refinance definition) - https://www.consumerfinance.gov/consumer-tools/mortgages/answers/key-terms/
  2. Consumer Financial Protection Bureau, Should I refinance? consumer handout - https://files.consumerfinance.gov/f/documents/cfpb_should_i_refinance_handout.pdf
  3. Consumer Financial Protection Bureau, What is the right of rescission? (refinance and second mortgages) - https://www.consumerfinance.gov/ask-cfpb/can-i-change-my-mind-after-i-sign-the-loan-closing-documents-for-my-second-mortgage-or-refinance-what-is-the-right-of-rescission-en-186/
  4. Consumer Financial Protection Bureau, How long do I have to rescind? - https://www.consumerfinance.gov/ask-cfpb/how-long-do-i-have-to-rescind-when-does-the-right-of-rescission-start-en-187/
  5. Fannie Mae, Closing costs calculator (2% to 5% common range) - https://yourhome.fanniemae.com/calculators-tools/closing-costs-calculator

Frequently asked questions

What is a mortgage refinance?

The CFPB says a refinance is a new loan that pays off and replaces the old loan. People use it to change the rate, the payment, the term, or to borrow additional cash. You usually pay closing costs again. A refinance is not an approval and not a rate lock.

How do I know if refinancing saves money?

A simple educational check is closing costs divided by monthly principal-and-interest savings. The CFPB also says to separate a lower rate from a longer term, because stretching the clock can raise lifetime interest. If you move first, the cash may not return. Compare written Loan Estimates.

Can I cancel a refinance after closing?

For most refinances, yes, until midnight of the third business day after you sign, receive the Truth in Lending disclosure, and receive two rescission notices. Saturday counts. Sunday and legal holidays do not. Purchase loans generally do not get this right. Rescinding leaves the old loan in place.

Are refinance closing costs the same as a purchase?

The CFPB says you often repeat many of the same steps and costs. Fannie Mae's consumer tools put many totals in a 2 to 5 percent band of the loan amount. Some fees can be rolled into the new balance. That is a planning range, not a quote.

Should I refinance if my payment would drop?

This site does not advise yes or no. A lower payment can come from a lower rate, a longer term, or both. Restarting a 30-year clock can cost more interest even when the monthly draft falls. Use the break-even math on written numbers, not a headline average.