When Does Refinancing Your Mortgage Make Sense?

The fundamental refinance question is simple: how long does it take to recoup the closing costs through monthly savings?

Closing costs on a refinance typically run 2–5% of the loan amount. On a $350,000 balance, expect $7,000–$17,500 in closing costs.

If refinancing from 7.5% to 6.5% saves you $230/month, your break-even is: $10,000 ÷ $230 = 43 months (about 3.6 years).

If you plan to stay in the home for at least 43 months, refinancing makes financial sense. If you might sell or move within 3 years, you'd lose money.

The most common type — you refinance to a lower interest rate, a different term, or both. No cash comes out.

Lowering your rate reduces your monthly payment and the total interest you pay over the life of the loan. The savings are locked in regardless of what rates do in the future.

Changing your term is a separate decision. Refinancing from a 30-year to a 15-year loan increases your monthly payment but dramatically cuts total interest. Refinancing to a new 30-year at a lower rate reduces monthly payments but can actually increase total interest paid if you've already paid down significant principal on the old loan.

A practical tip: instead of refinancing to a new 30-year and reducing your payment, consider refinancing to a lower rate but keeping your payment the same. The extra principal payment each month will pay off the loan significantly faster.

A cash-out refinance replaces your current mortgage with a larger one, with the difference paid to you in cash. This is commonly used to fund home renovations, consolidate high-interest debt, or cover major expenses.

Cash-out refinances carry a slightly higher rate than rate-and-term refinances (typically 0.125–0.5% higher) because they increase your LTV. Most lenders allow cash-out refinances up to 80% LTV.

Using home equity for renovations that increase the property's value can be financially sound. Using it to consolidate credit card debt is only smart if you also change the spending habits that created the debt — otherwise you'll accumulate new credit card debt while now having a larger mortgage.

Never use a cash-out refinance to fund vacations, cars, or consumer goods.

Refinancing isn't always a good idea. Skip it if:

You're planning to move soon — if you'll sell within 2–3 years, you're unlikely to recoup closing costs.

You're far into your loan term — if you have 8 years left on a 30-year mortgage, refinancing to a new 30-year loan means paying interest for 38 years total instead of 30. Run the numbers carefully.

Your credit score has dropped — if your score has fallen since your original loan, you may be offered a worse rate than your current one.

You have a prepayment penalty — some loans (especially older or non-conventional ones) have prepayment penalties. Check before refinancing.

Closing costs would exceed lifetime savings — model the full term in the Refinance Calculator to check total savings, not just monthly savings.