How a Piggyback Loan Helps DFW Buyers Avoid PMI With 10% Down

How Does a Piggyback Loan Work for Buyers in Dallas-Fort Worth?

A piggyback loan is a second mortgage taken out at the same time as your primary loan, structured so your combined financing eliminates the need for PMI. The most common setup is 80/10/10: an 80% first mortgage, a 10% second mortgage, and 10% cash down. In the DFW market, where prices in the northern and eastern suburbs regularly push buyers toward the PMI threshold, this structure can save hundreds of dollars a month without requiring a larger down payment.

By Paul Blair | October 20, 2026

Paying for private mortgage insurance is one of the more frustrating parts of buying a home with less than 20% down. You're covering a cost that protects the lender, not you, and it can run anywhere from $150 to $500 per month depending on your loan amount and credit score.

A piggyback loan is one way to avoid it. The structure takes some explaining, and it is not the right move for every buyer. But in a market like DFW, where entry-level prices frequently sit between $450,000 and $750,000, it is worth understanding before you commit to a loan program.

How the 80/10/10 Structure Works

Your first mortgage covers 80% of the purchase price. A second mortgage, usually a home equity loan or a home equity line of credit (HELOC), covers another 10%. You bring 10% as your down payment.

Because your first mortgage is at exactly 80% of the home's value, you never cross the threshold that triggers PMI. Lenders require PMI when the loan-to-value on the primary mortgage exceeds 80%, and the piggyback loan is designed to keep it right at that line.

The second loan comes at a higher rate than the first. In the current DFW market, second mortgages for qualified borrowers are typically pricing between 7.5% and 9%, while 30-year first mortgages are running closer to 6.5% to 7%. The higher rate on the second can still make the overall payment lower than a single 90% LTV loan with PMI tacked on, especially when PMI costs for buyers with 10% down in Texas are running on the higher end of that range.

One thing to understand: the second mortgage is a real lien on your property. Both loans are recorded at closing, you make two separate payments each month, and both have to be paid off or refinanced if you sell or refi the first. That is not a dealbreaker, but it adds administrative complexity that a single mortgage does not have.

Texas Has Specific Rules on Second Liens

Texas homestead law is more restrictive than most states when it comes to borrowing against equity. Understanding the distinction between purchase-money liens and home equity loans matters here.

Purchase-money second liens are generally permissible. A piggyback loan taken out at the same time as your purchase is classified as purchase money, not a home equity loan under Section 50(a)(6) of the Texas Constitution. Purchase-money liens are not subject to the 80% combined LTV cap that applies to cash-out refinances and home equity loans on Texas homesteads.

What that means at closing: you can structure the 80/10/10 without running into homestead restrictions. The lender still has to qualify you for both loans, and most require solid credit for the combined package, but the structure itself is legal and commonly used in Texas.

Where you can run into complexity is afterward. If you later want to refinance just the second lien on its own, or if you try to convert it to a traditional home equity loan, you may encounter the 80% cap depending on how your equity has grown. Your lender should walk you through the long-term implications at origination, and your title company will confirm the lien positions at closing.

If you are also thinking through how both loans affect your qualifying ratios, the debt-to-income calculations for Dallas-Fort Worth buyers are worth reviewing before you start lender shopping.

When a Piggyback Loan Makes Sense in DFW

The math works best when PMI costs are high and you expect to carry the loan for several years before reaching 20% equity naturally.

In the northern suburbs (Plano, Frisco, McKinney, Allen), homes in the $550,000 to $750,000 range are common. A buyer putting 10% down on a $600,000 home with a credit score in the mid-700s might pay $300 to $400 per month in PMI. At that level, even carrying a second mortgage at 8% can produce a lower combined monthly payment than a single 90% LTV loan with PMI tacked on.

For buyers on the eastern growth edge in Wylie, Murphy, and the newer sections of Prosper and Celina, where new construction often starts in the $450,000 range, the same calculation applies. Entry prices have risen enough that 10% down is a realistic target for many move-up buyers, and the PMI burden on a $450,000 purchase can still run $200 or more per month.

Where the math gets closer: if you expect to reach 20% equity in two years or less, you might be better off accepting PMI and canceling it once you hit the threshold. PMI is temporary. A second mortgage is also temporary, but it adds complexity to any future refinance.

Not every lender in DFW offers simultaneous second-lien programs. Credit unions and portfolio lenders tend to be the most competitive on the second mortgage rate. Some buyers use a HELOC as the second because it lets you pay down the balance faster when cash allows. Others prefer a fixed-rate second for payment predictability.

Ask your lender early whether they originate both loans in-house or use a correspondent for the second. The process is smoother when one institution handles both loans and coordinates directly with the title company at closing.

If you're comparing loan structures for a specific home price in DFW and want to model the real monthly difference between a piggyback loan and a single loan with PMI, I'm happy to walk you through the numbers.

Get in touch here.

Frequently Asked Questions

Is a piggyback loan harder to qualify for than a single mortgage?

Yes, generally. You are qualifying for two loans at once, and both lenders will evaluate your credit, income, and debt-to-income ratio. Most programs for the second lien require a credit score of at least 680, and some set the threshold higher. The combined payment obligations can also make qualification more demanding than a single loan, since both payments count toward your DTI.

What credit score do I need for a piggyback loan in Texas?

Most lenders offering simultaneous second-lien programs in Texas want to see a middle score of at least 680, and the best rates on the second mortgage typically go to borrowers at 720 or above. The first mortgage qualifying requirements apply separately, so you will need to meet both lenders' standards. Higher credit scores reduce what you'll pay on the second, which improves the overall comparison against PMI.

Can I use a piggyback loan on a new construction home in DFW?

It depends on the builder's preferred lenders and the construction loan structure. For a standard spec home or a completed model, a piggyback loan works the same as on a resale. For a custom build with a construction-to-permanent loan, the structure gets more complicated, and most construction lenders prefer to close as a single loan. Ask the builder's lender early, and if they do not offer the program, shop independently.

What happens if I sell before paying off the second mortgage?

Both liens are paid off at closing from your sale proceeds. The title company handles the payoff statements for both loans, collects what is owed, and distributes the remainder to you. There are no prepayment penalties on most second mortgages in Texas for residential properties, though you should confirm this with your lender at origination.

How does a piggyback loan affect my debt-to-income ratio?

Both payments count toward your DTI. If your first mortgage payment is $3,200 per month and your second mortgage payment is $600 per month, the lender adds both to your total monthly debt obligations. This can push your DTI higher than a single-loan scenario and may reduce the maximum purchase price you qualify for. Run the numbers with your lender before committing to the structure, especially if your DTI is already close to the qualifying threshold.

If you are thinking through whether a piggyback loan is the right structure for your purchase in DFW, or you want to compare your options side by side, I'm here to help.

Get your free home value estimate. Or reach out directly.

About Paul Blair

Paul Blair is the founder and broker of Grey Square, a virtual real estate brokerage representing buyers and sellers across Dallas, Los Angeles and Houston. With 22 years in the business, Paul works the full range of the market, from luxury homes in the Park Cities and Preston Hollow to estates in the Hollywood Hills and across the Westside. Connect with Paul and the Grey Square team at greysq.com. TX TREC #9011505 · CA DRE #01792671.