What Is PMI and How to Avoid It

If you're buying a home with less than 20% down, there's a good chance your lender will tack on a fee called private mortgage insurance, or PMI. It's one of the most misunderstood line items on a mortgage statement, and it can quietly add hundreds of dollars to your monthly payment. The good news: PMI is temporary, it's avoidable, and once you understand the rules you can save thousands of dollars over the life of your loan.

This guide breaks down exactly what PMI is, why it exists, what it costs in 2025 dollars, how to get rid of it, and four proven ways to skip it entirely. We'll also walk through a fully worked example so you can see the real numbers.

What Is PMI, Exactly?

Private mortgage insurance is a policy that protects the lender, not you, if you stop making your mortgage payments and the home goes into foreclosure. Even though you pay the premium every month, the bank is the one who gets reimbursed if things go wrong.

Lenders require PMI on conventional loans whenever your down payment is less than 20% of the home's purchase price. From the bank's perspective, a borrower who puts down only 5% has far less equity to lose, which makes them statistically riskier. PMI is how lenders offset that risk while still saying yes to buyers who don't have a full 20% saved up.

It's important to separate PMI from two things it's often confused with:

• Homeowners insurance protects you and your property against fire, theft, and storm damage. PMI does nothing for you personally.
• MIP (Mortgage Insurance Premium) is the FHA loan equivalent. It works similarly but follows different, often stricter, cancellation rules. PMI specifically refers to conventional loans.

Why Putting Down Less Than 20% Triggers PMI

The magic number is your loan-to-value ratio (LTV) — the size of your loan compared to the value of the home. The formula is simple:

LTV = Loan Amount ÷ Home Value × 100

If you buy a $400,000 home and put down $40,000 (10%), you borrow $360,000. That's an LTV of 90% ($360,000 ÷ $400,000), which means you have only 10% equity. Because your LTV is above 80%, you'll pay PMI.

Flip it around: a 20% down payment ($80,000) gives you an 80% LTV from day one — and no PMI. The 20% threshold isn't arbitrary; it's the equity cushion lenders consider safe enough to skip the insurance. If you want to see how different down payments change your LTV and monthly cost, our Down Payment Calculator makes it easy to compare scenarios side by side.

How Much Does PMI Cost?

PMI typically runs between 0.5% and 1.5% of your original loan amount per year, billed in 12 monthly installments added to your mortgage payment. Your exact rate depends on three main factors:

• Your credit score. This is the biggest lever. A borrower with a 760+ score might pay 0.3%-0.5%, while a borrower in the low 600s could pay 1.5% or more.
• Your down payment size. A 5% down payment carries a higher PMI rate than a 15% down payment, because a smaller down payment means a higher LTV and more lender risk.
• Your loan term and type. Longer terms and adjustable-rate mortgages can carry slightly higher premiums.

On a typical $300,000 loan, that range translates to roughly $125 to $375 per month — money that builds you no equity and disappears once PMI is removed.

Worked Example: PMI on a $400,000 Home

Let's run the numbers on a realistic 2025 purchase. Say you buy a $400,000 home with a 10% down payment and a 720 credit score, which might land you a PMI rate of 0.6% annually.

That's $180 every month — about $2,160 a year — on top of your principal, interest, taxes, and homeowners insurance. If it takes you roughly five years to reach 20% equity, you'll have paid around $10,800 in PMI before it drops off. To see how this premium stacks on top of your full monthly payment, plug your numbers into our Mortgage Payment Calculator.

How to Remove PMI at 80% and 78% LTV

Here's the part many homeowners miss: PMI is not permanent. Under the federal Homeowners Protection Act, there are clear rules for getting it cancelled.

• At 80% LTV — you can request cancellation. Once your loan balance drops to 80% of the home's original value, you can send your lender a written request to cancel PMI. You'll typically need to be current on payments and have a clean recent payment history. The lender may require an appraisal to confirm the home hasn't lost value.
• At 78% LTV — cancellation is automatic. By law, your lender must automatically terminate PMI once your balance reaches 78% of the original value, as long as you're current on payments. You don't have to ask.
• At the loan midpoint. If you somehow haven't hit 78% by the halfway point of your loan term (year 15 of a 30-year loan), PMI must be cancelled then regardless of LTV.

A powerful but underused tactic: if your home's value rises through appreciation or renovations, you may reach 80% equity faster than your amortization schedule predicts. In that case, order a new appraisal and request cancellation early. On a fast-appreciating market, this can shave a year or more off your PMI payments.

Four Ways to Avoid PMI Entirely

The best PMI is the one you never pay. Here are four legitimate ways to sidestep it.

1. Put 20% down. The cleanest solution. A 20% down payment means an 80% LTV from closing day, so PMI never applies. On a $400,000 home that's $80,000 — a big ask, but it eliminates PMI and lowers your monthly payment and total interest. Use the Down Payment Calculator to map out a savings timeline.

2. Use a VA loan. If you're an eligible veteran, active-duty service member, or qualifying surviving spouse, a VA loan requires no down payment and no monthly mortgage insurance, ever. There's a one-time VA funding fee instead, which can often be rolled into the loan. This is one of the most valuable benefits in all of home financing. Our VA Loan Calculator can estimate your payment and funding fee.

3. Choose lender-paid PMI (LPMI). With LPMI, the lender pays the insurance premium upfront in exchange for charging you a slightly higher interest rate. There's no separate PMI line item, and the higher rate is tax-deductible as mortgage interest for some borrowers. The catch: because it's baked into your rate, you can't cancel LPMI at 80% LTV — it lasts the life of the loan. It can still pencil out if you plan to refinance or sell within a few years.

4. Use a piggyback (80/10/10) loan. Here you take a first mortgage for 80% of the price, a second mortgage (often a HELOC) for 10%, and put down 10% yourself. Because the primary loan never exceeds 80% LTV, no PMI is required. The trade-off is a second loan that usually carries a higher interest rate, so run the combined cost carefully before committing.

Is Avoiding PMI Always the Right Move?

Not necessarily. Draining your savings to reach 20% down can leave you with no emergency fund, which is its own kind of risk. And in a rising market, waiting years to save 20% might mean buying a more expensive home later — sometimes the appreciation outpaces the PMI you would have paid.

For many buyers, paying PMI for a few years is a reasonable price for getting into a home sooner and starting to build equity. The key is to treat PMI as temporary: know your cancellation milestones, track your LTV, and have a plan to remove it as soon as you legally can.

Common PMI Mistakes to Avoid

• Forgetting to request cancellation at 80%. Lenders auto-cancel at 78%, but you can save months of premiums by proactively requesting it at 80%. Don't wait for the bank to act.
• Confusing original value with current value. Automatic cancellation is based on the home's original value, not today's. To use a higher current value, you generally need a new appraisal and a formal request.
• Assuming FHA loans work the same way. FHA mortgage insurance (MIP) often can't be cancelled at all on newer loans — refinancing into a conventional loan is usually the only exit. Don't apply PMI rules to an FHA loan.
• Ignoring LPMI's hidden cost. A "no PMI" lender-paid option still costs you through a higher rate for the life of the loan. Compare total costs, not just the monthly payment.

The Bottom Line

This article is for general informational purposes only and is not financial, mortgage, or tax advice. PMI rates, cancellation rules, and the deductibility of mortgage insurance can change and vary by lender and by your individual situation. Confirm the specifics with your loan servicer and a qualified professional before making a decision.

PMI exists to let you buy a home without a full 20% down payment — a fair trade for many buyers, but one worth managing closely. Expect to pay 0.5%-1.5% of your loan amount per year, watch your LTV, and request cancellation the moment you hit 80%. If you'd rather avoid PMI from the start, a 20% down payment, a VA loan, lender-paid PMI, or a piggyback loan can each get you there. Run your own numbers with our Down Payment Calculator, Mortgage Payment Calculator, and VA Loan Calculator to see which path saves you the most.