PMI protects the lender, not you, when you put down less than 20 percent

PMI stands for private mortgage insurance. It is an insurance policy that the lender buys to protect themselves if you stop paying your mortgage. When you put down less than 20 percent, the lender is taking on more risk — if you default and they foreclose, they may not recover the full loan amount from selling the house. PMI covers that gap.

You pay for this insurance, but it protects the lender's money, not yours. This is the key thing to understand: PMI is a cost you bear for borrowing more than 80 percent of the home's value. It is not optional if you want a conventional mortgage with a down payment under 20 percent. Some loan types, like FHA mortgages, use a different insurance structure called mortgage insurance premium (MIP), but the principle is the same.

The amount you pay depends on three things: how much you borrowed relative to the home's value, your credit score, and the length of your loan. A borrower with a 680 credit score putting down 5 percent will pay more than a borrower with a 740 score putting down 15 percent on the same house.

Key Takeaways

  • PMI is insurance the lender requires you to pay for; it protects them if you default, not you.
  • You need PMI on conventional mortgages when your down payment is less than 20 percent of the home's purchase price.
  • PMI costs typically range from 0.5 to 1.5 percent of your loan amount per year, split into monthly payments added to your mortgage bill.
  • You can remove PMI once you build equity to 20 percent of the home's value, either through payments or home appreciation.
  • FHA loans use a different insurance structure (MIP) that works similarly but has different rules for removal.

How much PMI costs and how it appears on your bill

PMI is usually quoted as an annual percentage of your loan amount. On a $300,000 mortgage with a 10 percent down payment ($30,000), your loan is $270,000. If your PMI rate is 0.8 percent per year, that is $2,160 annually, or $180 per month added to your mortgage payment.

The exact rate depends on your loan-to-value ratio (LTV) — the amount you borrowed divided by the home's purchase price — and your credit score. A 5 percent down payment (95 percent LTV) costs more than a 15 percent down payment (85 percent LTV). Lenders typically charge between 0.5 and 1.5 percent annually, though rates vary by lender and market conditions.

PMI appears as a separate line item on your mortgage statement, though it is bundled into your monthly payment. You cannot avoid paying it by choosing a different payment plan; it is a requirement of the loan itself. Some lenders offer lender-paid PMI, where the lender covers the cost but charges you a higher interest rate instead — this is a trade-off worth comparing when you get quotes.

When you can remove PMI from your loan

You have the right to request PMI removal once your equity reaches 20 percent of the home's original purchase price. This happens through a combination of your monthly payments building equity and, potentially, your home appreciating in value. If you put down 10 percent and make payments for several years, your equity will grow and eventually hit 20 percent.

The timeline depends on your loan term and how quickly you pay down principal. On a 30-year mortgage, reaching 20 percent equity typically takes 8 to 12 years, though it varies based on your interest rate and payment schedule. Some lenders will remove PMI automatically once you reach this threshold; others require you to request it in writing.

Home appreciation can speed this up. If your home value rises and you refinance to a new appraisal, you may reach 20 percent equity faster. However, refinancing comes with closing costs, so the math only works if rates are favorable or you plan to stay in the home long enough to recoup those costs.

The difference between PMI and FHA mortgage insurance

FHA loans use mortgage insurance premium (MIP) instead of PMI. The mechanics are similar — you pay an insurance cost because you are borrowing more than 80 percent of the home's value — but the rules for removal are different and often stricter.

FHA loans require an upfront mortgage insurance premium (UFMIP) of 1.75 percent of your loan amount, paid at closing or rolled into your loan. They also charge an annual MIP that stays on the loan for either 11 years (if you put down 10 percent or more) or the life of the loan (if you put down less than 10 percent). This means on a low FHA down payment, you cannot remove the insurance even after reaching 20 percent equity.

Conventional loans with PMI are generally more flexible. Once you hit 20 percent equity, you can remove PMI. This makes conventional mortgages cheaper over time if you plan to stay in the home long enough to build that equity, though they typically require a higher credit score to may have access to.

PMI and your monthly budget

When you are comparing down payment amounts, factor PMI into the total monthly cost. A 10 percent down payment sounds cheaper upfront than a 20 percent down payment, but the PMI adds $150 to $300 per month depending on the loan size and your credit score. Over 10 years, that is $18,000 to $36,000 in additional cost.

However, a smaller down payment means you keep more cash on hand for emergencies, home repairs, or other investments. The trade-off is real: you pay more over time, but you preserve liquidity now. Some borrowers find this worthwhile; others prefer to save longer and put down 20 percent to avoid PMI entirely.

When you receive a mortgage quote, ask the lender to show you the PMI cost separately and to calculate the total monthly payment including it. This makes it easier to compare different down payment scenarios side by side.

Why lenders require PMI and what it means for you

Lenders require PMI because lending 90 or 95 percent of a home's value is riskier than lending 80 percent. If you default and the home sells for less than you owe, the lender loses money. PMI transfers that risk to an insurance company, which allows lenders to offer mortgages to borrowers who cannot save 20 percent down.

From your perspective, PMI is a cost of borrowing more. It is not a penalty for having a lower credit score or a smaller down payment — it is straightforward how the lending system manages risk. The better your credit score, the lower your PMI rate, so building credit before you explore does reduce this cost.

Understanding PMI helps you make an informed decision about how much to put down. If you can afford 20 percent, you avoid PMI entirely. If you cannot, PMI makes it possible to buy sooner, though at a higher total cost. Neither choice is wrong; it depends on your financial situation and timeline.

Frequently Asked Questions

Can I pay PMI upfront instead of monthly?

Some lenders offer the option to pay PMI as a lump sum at closing, though this is less common. Most borrowers roll it into their monthly payment because it requires less cash at closing. Ask your lender whether they offer upfront PMI and compare the total cost to monthly payments over the life of the loan.

Does PMI go away automatically or do I have to request removal?

It depends on your lender. Some remove PMI automatically once you reach 20 percent equity; others require you to request it in writing and may ask for a new appraisal to confirm your home value. Check your loan documents or contact your lender to understand their specific policy.

What if my home value drops — does PMI stay the same?

PMI is based on your original loan-to-value ratio at closing, not on current home value. If your home loses value, your PMI payment does not change. However, you cannot remove PMI until your equity reaches 20 percent again, which may take longer if the home has depreciated.

Is PMI tax deductible?

PMI was tax deductible for some borrowers in past years, but that deduction expired. Check with a tax professional about your specific situation, as rules change and some circumstances may still may have access to, but do not assume you can deduct it.

How does PMI affect my debt-to-income ratio when I explore for the mortgage?

PMI is included in your monthly housing payment, which lenders use to calculate your debt-to-income ratio. A higher PMI payment means a higher monthly housing cost, which can affect how much you are able to borrow. This is another reason to factor PMI into your budget before you explore.