What a low down payment mortgage is
A low down payment mortgage is a home loan where you put down less than the traditional 20 percent of the home's price upfront. Instead, you might put down 3, 5, 10, or 15 percent, and borrow the rest. The lender takes on more risk because you have less of your own money in the house, so they protect themselves by charging you extra — usually through a higher interest rate, a monthly insurance fee, or both.
The appeal is straightforward: you can buy a home without saving for years. The cost is that you pay more over the life of the loan. Whether that trade-off makes sense depends on your situation — whether you expect your income or home value to rise, whether you can afford the monthly payment, and whether waiting to save more would actually happen or just delay you indefinitely.
Key Takeaways
- Low down payment mortgages let you buy with 3 to 15 percent down instead of 20 percent, but you pay more in interest and insurance over time.
- When you put down less than 20 percent, lenders require mortgage insurance (PMI on conventional loans, built into the loan on FHA loans), which adds to your monthly payment.
- Your interest rate on a low down payment loan is usually higher than on a 20 percent down loan, sometimes by 0.25 to 0.75 percent depending on the lender and your credit score.
- You can remove PMI once you reach 20 percent equity in the home, but the timeline depends on whether your home value rises and how quickly you pay down the principal.
- FHA loans, VA loans, and USDA loans all allow down payments below 20 percent and are designed for specific groups — first-time buyers, military members, and rural homebuyers respectively.
How mortgage insurance protects the lender when you put down less
When you borrow more than 80 percent of the home's value, the lender is exposed: if you stop paying and they foreclose, they may not recover their full loan amount when they sell the house. To protect themselves, they require you to buy mortgage insurance, which pays the lender if you default. You pay the premium, but the insurance protects them, not you.
On a conventional loan (the most common type), this insurance is called PMI, or private mortgage insurance. The cost varies by lender and your credit score, but typically ranges from 0.5 to 1.5 percent of the loan amount per year, divided into monthly payments. On a $300,000 loan, that could be $125 to $375 per month added to your mortgage payment.
On an FHA loan (a loan insured by the Federal Housing Administration, often used by first-time buyers), the insurance works differently. You pay an upfront fee at closing (usually 1.75 percent of the loan amount) and an annual fee (0.55 percent for loans with less than 10 percent down, 0.80 percent for 10 percent down or more). The annual fee is also split into monthly payments, so it shows up on your bill every month.
The interest rate difference between low down and 20 percent down
Lenders charge a higher interest rate on low down payment loans because the risk is higher. The exact difference depends on the lender, the loan type, and your credit score, but you can expect to pay 0.25 to 0.75 percent more per year on a low down payment loan than on a 20 percent down loan.
On a $300,000 loan, that difference adds up. If a 20 percent down loan costs 6.5 percent and a 5 percent down loan costs 7 percent, you pay roughly $150 more per month in interest alone. Over 30 years, that is nearly $55,000 in extra interest payments. The mortgage insurance on top of that makes the total cost of borrowing significantly higher.
Your credit score affects this too. If your score is 740 or higher, the rate bump may be smaller. If it is below 620, some lenders will not work with you at all, and those who do will charge substantially more. Improving your credit score before you explore can save you tens of thousands of dollars.
When you can stop paying mortgage insurance
PMI on a conventional loan is not permanent. Once you have paid down the loan to 80 percent of the home's original purchase price, you can request that PMI be removed. If your home has appreciated (gone up in value), you may reach 20 percent equity faster than the amortization schedule suggests.
The catch: you have to ask for it. Lenders do not automatically remove PMI, and some borrowers pay it for years longer than necessary. You can request removal once you hit 20 percent equity, and the lender must remove it automatically when you reach 22 percent equity (by law, under the Homeowners Protection Act). To prove equity, you may need a home appraisal, which costs $300 to $500.
On an FHA loan, the rules are stricter. If you put down less than 10 percent, you pay mortgage insurance for the entire 30-year loan — you cannot remove it. If you put down 10 percent or more, you can remove it after 11 years. This is one reason FHA loans are most useful for buyers who cannot save 10 percent down; if you can save 10 percent, the insurance cost over time may push you toward a conventional loan instead.
Loan types that allow low down payments
Conventional loans (not insured by the government) typically allow down payments as low as 3 percent, though some lenders require 5 or 10 percent. These are available to anyone with a decent credit score and income, but the interest rate and PMI cost are higher for lower down payments.
FHA loans allow down payments as low as 3.5 percent and are designed for first-time homebuyers or buyers with lower credit scores. The upfront and annual mortgage insurance costs are built into the loan, so your monthly payment includes them automatically. FHA loans are easier to get approved for if your credit score is below 640, but the lifetime insurance cost can make them more expensive overall.
VA loans (for military members, veterans, and surviving spouses) often require zero down payment and no mortgage insurance at all. If you are may be able to access, this is usually the cheapest option. USDA loans (for homebuyers in rural areas) also allow zero down and no mortgage insurance. Both have income and property location limits, so check whether you may have access to before you assume you can use them.
The real cost: comparing down payment scenarios
The difference between putting down 5 percent and 20 percent on the same house is not just the upfront cash — it is the interest and insurance you pay every month for years. Here is how the costs stack up on a $300,000 home with a 30-year loan at current rates (rates change daily, so use these as a rough comparison, not a prediction):
| Down Payment | Loan Amount | Monthly Payment (Principal + Interest) | Monthly PMI or Insurance | Total Monthly Cost | Total Paid Over 30 Years |
|---|---|---|---|---|---|
| 20% ($60,000) | $240,000 | ~$1,432 | $0 | ~$1,432 | ~$515,520 |
| 10% ($30,000) | $270,000 | ~$1,611 | ~$135 | ~$1,746 | ~$628,560 |
| 5% ($15,000) | $285,000 | ~$1,701 | ~$213 | ~$1,914 | ~$689,040 |
The numbers show why lenders prefer larger down payments: the 5 percent down scenario costs you roughly $173,000 more over 30 years than the 20 percent down scenario. That extra money goes to interest and insurance, not to building equity in your home. However, if you are renting now and paying $1,500 a month with no equity building at all, the 5 percent down option might still make sense — you are building ownership, and if your income or home value rises, you can pay down the mortgage faster and remove the insurance sooner.
Deciding whether a low down payment makes sense for you
A low down payment mortgage is worth considering if you are currently renting and could afford the monthly payment, even with insurance included. It is also worth it if you expect your income to rise significantly in the next few years, or if you live in an area where home prices are climbing and waiting to save more would mean paying a higher price later.
It is usually not worth it if you are barely scraping together the down payment and the monthly payment would strain your budget. Lenders require your housing payment (mortgage, insurance, taxes, and utilities) to be no more than 28 percent of your gross monthly income, and your total debt payments to be no more than 36 percent. If you are at the edge of those limits, a job loss or unexpected expense could put you in default.
It is also worth reconsidering if you have high-interest debt (credit cards, personal loans) that you have not paid off yet. Paying down that debt first and then saving a larger down payment usually costs less in the long run than borrowing at a higher rate and paying mortgage insurance.
Frequently Asked Questions
Can I remove PMI before I reach 20 percent equity?
On a conventional loan, no — you must reach 20 percent equity first. However, if your home value rises significantly, you can request a new appraisal to prove you have reached 20 percent equity faster than your payment schedule suggests. On an FHA loan with less than 10 percent down, you cannot remove the insurance at all.
What is the lowest down payment I can put down?
On a conventional loan, some lenders go as low as 3 percent. FHA loans allow 3.5 percent. VA and USDA loans allow zero down if you are may be able to access. The lowest available option depends on your credit score, income, and whether you may have access to for government-backed loans.
Does a low down payment hurt my credit score?
The down payment itself does not affect your score, but the mortgage process does. The lender will do a hard credit inquiry, which temporarily lowers your score by a few points. Over time, making on-time mortgage payments builds your score back up and typically improves it.
If I put down 5 percent now, can I refinance later to remove PMI?
Yes, once your home value rises or you pay down the principal to 20 percent equity, you can refinance into a new loan without PMI. Refinancing costs money (closing costs are typically 2 to 5 percent of the loan amount), so you want to make sure the savings from removing PMI outweigh the cost of refinancing. A lender can calculate this for you.
What if I cannot afford the monthly payment with PMI included?
You may be overextending yourself. Lenders have limits on how much they will lend based on your income, but those limits assume you can handle the payment. If the payment feels tight, consider saving a larger down payment, looking at less expensive homes, or waiting until your income rises. A mortgage you cannot comfortably afford can lead to default and foreclosure.