Finance & Business
74,528 views
25 min · 3 min read
7 steps
Advanced

How to refinance a mortgage to lower your interest rate

Refinancing a mortgage to lower your interest rate can reduce your monthly payment and save tens of thousands over the life of the loan. This guide walks you step-by-step through preparing, comparing offers, and closing so you can decide confidently and act efficiently.

Verified by pleasexplain editors
  1. Step 1: Check your current mortgage

    Gather your loan documents and note your current interest rate, remaining balance, term length, and monthly payment. Knowing your exact numbers helps you calculate break-even points and compare new offers accurately.

    [Illustration: stack of mortgage statements and a calculator on a table]

  2. Step 2: Determine your goals

    Decide whether you want lower monthly payments, a shorter term, or cash-out funds; each goal changes the loan structure and costs. Choosing a clear objective helps you pick the right refinance product and estimate how long you’ll need to keep the loan to benefit.

    [Illustration: person writing goals on a notepad labeled lower payment and shorter term]

  3. Step 3: Check your credit score

    Run a credit report and get your FICO or Vantage score; lenders typically prefer 620+ for conventional refinances and 740+ for best rates. If your score is low, spend 1–3 months improving it by paying down revolving balances and correcting errors to secure a better rate.

    [Illustration: close-up of a credit score report on a smartphone screen]

  4. Step 4: Estimate costs and break-even

    Calculate total refinance costs (typically 2%–5% of the loan amount) and divide them by monthly savings to find the break-even period. For example, $3,000 in closing costs divided by $150 monthly savings equals 20 months to recoup costs.

    [Illustration: simple financial calculator showing monthly savings and break-even months]

  5. Step 5: Shop multiple lenders

    Request Loan Estimates from at least three lenders, including your current servicer, a bank, and an online lender, to compare rates, points, and fees. Make sure offers are for the same loan term, loan amount, and type to ensure apples-to-apples comparisons.

    [Illustration: three different loan estimate forms side by side on a desk]

  6. Step 6: Lock the rate when ready

    Once you find a competitive offer, lock the rate for 30–60 days to protect against market rises; confirm lock fees and expiration date in writing. If rates fall after locking, ask about a float-down option but expect an additional fee or restriction.

    [Illustration: digital timer and a signed rate-lock agreement]

  7. Step 7: Complete underwriting and close

    Submit required documents (pay stubs, tax returns, bank statements) promptly so underwriting can finish within the lock window; expect 30–45 days to closing. Review the Closing Disclosure at least three days before closing, check loan terms against estimates, and bring a government ID to sign.

    [Illustration: borrower handing documents to a loan officer at a closing table]


  • Aim for a rate reduction of at least 0.75% to 1.0% to make refinancing worthwhile in many cases.
  • Consider paying points if you plan to stay in the home more than the break-even period; one point typically costs 1% of loan amount and cuts rate by about 0.25% depending on lender.
  • If you have private mortgage insurance (PMI), refinancing to 80% loan-to-value can eliminate PMI and add to savings.
  • Use a mortgage calculator to model different terms (15- vs 30-year) and see total interest savings and monthly payment trade-offs.
  • Keep debt-to-income under 45% where possible; lower DTI improves chances for the best rates.
  • Ask for a detailed title and escrow estimate to avoid surprise fees and compare them across lenders for negotiation leverage.

  • Don’t ignore closing costs — a small rate drop may not pay back the fees for several years. Calculate the break-even before proceeding.
  • Avoid taking on a much longer term solely to lower monthly payments; you may pay more total interest over time.
  • Don’t apply for new credit (cars, credit cards) during the refinance process to prevent credit-score dips and underwriting issues.
  • Be wary of overly aggressive lenders promising rates far below market — they may tack on high fees or change terms at closing.

Was this guide helpful?