How to Know When to Refinance Your Mortgage

A MIDDLE TENNESSEE HOMEOWNER’S GUIDE

Should You Refinance? The Short Version

Refinancing replaces your current mortgage with a new one, ideally on better terms. That might mean a lower interest rate, a shorter loan term, or both. But “better terms” only matter if the math works in your favor after closing costs.

The old rule of thumb was simple: refinance if you can drop your rate by at least 1%. That guideline still works as a starting point, but it oversimplifies things. A 0.5% rate drop on a $600,000 loan saves more per month than a 1% drop on a $200,000 loan. The real question is always: how long until the savings cover the cost of refinancing?

To track where rates stand right now, bookmark Freddie Mac’s Primary Mortgage Market Survey. It updates every Thursday with the national average for 30-year and 15-year fixed-rate mortgages. This is the most reliable, non-promotional rate source available.

Five Signs It Might Be Time to Refinance

1. Your current rate is significantly above today’s market. If you locked in during 2022 or early 2023 when 30-year rates were above 7%, and rates have come down since then, run the numbers. Even a half-point reduction on a large loan balance can save hundreds per month.

2. Your credit score has improved. If your credit was fair when you first bought and it’s now excellent, you may qualify for better terms than you originally received. Lenders price risk into your rate, so a higher score means a lower rate.

3. You want to drop PMI. If your home has appreciated and you now have 20% or more equity, refinancing can eliminate private mortgage insurance. In Middle Tennessee, where many neighborhoods have seen 20-40% appreciation over the past five years, this scenario is more common than people realize.

4. You want to shorten your loan term. Switching from a 30-year to a 15-year mortgage often comes with a lower rate. Your monthly payment goes up, but you pay dramatically less interest over the life of the loan and build equity faster.

5. Your financial situation has changed. Maybe your income has increased and you want to pay off your home sooner. Or maybe you need a lower monthly payment because of other financial priorities. Either scenario can make refinancing worth exploring.

The Break-Even Calculation (Do This Before Anything Else)

This is the single most important step. Before you call a lender, grab a calculator.

Break-even months = Total closing costs / Monthly savings

Here’s an example. Say your refinance closing costs total $6,000 and the new loan saves you $200 per month. That’s $6,000 divided by $200, which equals 30 months to break even. If you plan to stay in your home for at least 30 more months, the refinance makes financial sense. If you’re thinking about selling within the next two years, it probably doesn’t.

Closing costs on a refinance typically run 2-5% of the loan amount. On a $400,000 loan, that’s $8,000 to $20,000. Some lenders offer “no-closing-cost” refinances, but they usually roll those costs into a higher rate. There’s no free lunch here.

What the Refinance Process Looks Like, Step by Step

Step 1: Check your current loan details. Pull up your most recent mortgage statement. Know your current rate, remaining balance, monthly payment, and how many years are left on your loan. You’ll need these to compare offers.

Step 2: Get quotes from multiple lenders. Don’t just call one lender. Get at least three quotes. Compare interest rates, closing costs, and loan terms side by side. Your current lender may offer a streamlined process, but that doesn’t mean they’ll offer the best rate.

Step 3: Run the break-even math. Use the formula above for each quote. The lowest rate isn’t always the best deal if one lender charges significantly higher closing costs.

Step 4: Gather your documents. You’ll need recent pay stubs, W-2s or tax returns, bank statements, and your current mortgage statement. If you’re self-employed, expect to provide two years of tax returns. The documentation process is similar to your original mortgage application.

Step 5: Lock your rate. Once you choose a lender and agree on terms, lock your rate. Rate locks typically last 30-60 days. Ask your lender how long the lock lasts and whether there’s a cost to extend it.

Step 6: Appraisal. The lender will order an appraisal of your home. In Middle Tennessee, where property values have been climbing, this step usually works in homeowners’ favor. The appraisal determines how much equity you have and affects your loan-to-value ratio.

Step 7: Closing. Review your Closing Disclosure carefully. Compare the final numbers to the Loan Estimate you received when you applied. Sign the paperwork, and your new loan replaces the old one. The entire process from application to closing typically takes 30-45 days.

Common Mistakes to Avoid

Ignoring the break-even timeline. This is the biggest one. A lower rate feels good, but if you’re moving in 18 months and it takes 30 months to recoup closing costs, you’re losing money.

Restarting a 30-year clock without thinking it through. If you’re 8 years into a 30-year mortgage and refinance into a new 30-year term, you’ve just added 8 years of interest payments. Consider a 20-year or 15-year term instead if you can handle the higher payment.

Only shopping one lender. Rate quotes can vary by a quarter point or more between lenders. On a $500,000 loan, that difference adds up to tens of thousands of dollars over the life of the loan.

Forgetting about taxes and insurance. Your new escrow payment may be different than your old one. Property taxes in Williamson County, Davidson County, and Wilson County have all seen increases in recent years. Make sure you’re comparing total monthly payments, not just principal and interest.

Cashing out equity without a plan. Cash-out refinances can be useful, but pulling equity to fund lifestyle spending is a risk. You’re converting home equity into debt. Make sure the purpose justifies the cost.

Frequently Asked Questions About Refinancing

How much does it cost to refinance a mortgage?

Refinance closing costs typically range from 2% to 5% of the loan amount. On a $400,000 mortgage, that means $8,000 to $20,000. Costs include the appraisal fee, title insurance, origination fees, and recording fees. Some lenders offer no-closing-cost options, but these usually come with a slightly higher interest rate.

How long does the refinance process take?

Most refinances close in 30 to 45 days from application to funding. The timeline can vary depending on the lender’s workload, how quickly you provide documents, and whether the appraisal requires additional review.

Does refinancing hurt your credit score?

Applying for a refinance triggers a hard credit inquiry, which may lower your score by a few points temporarily. If you apply with multiple lenders within a 14-45 day window (depending on the scoring model), those inquiries are typically grouped as a single inquiry. Your score usually recovers within a few months.

Can I refinance if I have less than 20% equity?

Yes, but you may need to pay private mortgage insurance (PMI) on the new loan. Some loan programs allow refinancing with as little as 5% equity. FHA Streamline refinances have even more flexible equity requirements for borrowers with existing FHA loans.

Is it worth refinancing for a 0.5% rate drop?

It depends on your loan balance and how long you plan to stay. On a $500,000 loan, a 0.5% rate reduction saves roughly $150 to $170 per month. If your closing costs are $8,000, you break even in about 50 months. If you plan to stay at least five years, it likely makes sense.

What is the best time of year to refinance?

There’s no universally “best” time, because rates are driven by economic conditions rather than seasons. However, lenders tend to be less busy in late fall and winter, which can mean faster processing times. The best time to refinance is when the math works in your favor.

How do I track current mortgage rates?

The most reliable source is Freddie Mac’s Primary Mortgage Market Survey, updated every Thursday. It reports the national weekly average for 30-year and 15-year fixed-rate mortgages based on thousands of actual loan applications, not advertised rates.

---