What to Do If Your Mortgage Is Underwater: A Simple Guide for Homeowners

When your mortgage is "underwater," it simply means you owe more on your home loan than the house is currently worth. Think of it like a car loan where the car's value has dropped below what you still owe. If you bought a home for $300,000 with a $30,000 down payment, you borrowed $270,000. But if the market cools and your home's value falls to $250,000, you're underwater by $8,000. That $8,000 is the gap between what you owe and what the house is worth today.

This creates a major financial hurdle if you want to sell. In a normal sale, the buyer's money pays off the mortgage and the rest goes to you. But if you're underwater, you'd need to come up with the difference out of your own pocket just to cover the loan balance. That's a significant hit to your cash reserves and often makes selling unaffordable.

The problem is growing. By the end of 2025, the number of underwater homeowners in the U.S. had surged to over 1.1 million. That's a 60% jump from just the start of the year. While 2.1% of all borrowers still seems like a small share, it's the largest level since early 2018 and signals a deepening stress in the housing market as prices stalled and buyer demand weakened.

Why This Is Happening Now (And It's Not Just a Crisis)

This isn't a repeat of the 2008 housing bubble. Back then, lenders handed out risky loans to people with little income or down payment, creating a massive, systemic problem. Today's situation is more about timing and location, a natural correction after a period of extreme highs.

The core reason is simple: people bought homes at peak prices, and now those prices are coming back down. It's like buying a new car at the dealership's sticker price just before the model year ends. You paid full retail, but the car's value immediately drops as soon as you drive it off the lot. In the housing market, that "sticker price" was set during the pandemic rush, when demand outstripped supply and prices soared. As the market has cooled, that gap between what people paid and what their homes are worth today has started to close.

This trend is concentrated in specific areas, not the whole country. The data shows a clear regional split. States like Florida, Arizona, and South Carolina saw the biggest drops in homeowner equity, meaning buyers there are now sitting on less of a cushion. In some Florida cities, the problem is severe: about one in 10 homeowners were underwater at the end of last year. That's a local stress point, not a national collapse.

The mechanics are straightforward. First, many new buyers put down very little cash. A low down payment means you start with less equity, making you more vulnerable to any price drop. Second, some homeowners took out second mortgages or home equity lines of credit during the boom, which ate into their ownership stake. When prices fell, those loans could push them underwater faster. As economist Brad Case notes, this is less about a market crisis and more about a return to "normalization" after years of unusual conditions.

The bottom line is that this is a symptom of a market adjusting, not a sign of a coming crash. The overall share of underwater borrowers is still far below the 6.5% seen before the last crisis. But for the hundreds of thousands of homeowners caught in these specific areas, it's a real financial hurdle that needs a practical solution.

Your Action Plan: What Homeowners Can Actually Do

The good news is that being underwater isn't a dead end. It's a financial situation, not a life sentence. The key is to act with common sense, focusing on what's within your control. Here are the three most realistic paths forward, each with its own mechanism and trade-offs.

1. Stay and Pay: Let Time Work for You

The simplest, and often the wisest, option is to simply stay in your home and keep making your payments. This builds equity over time, slowly shrinking the gap between what you owe and what your home is worth.

• The Mechanism: Every mortgage payment chips away at the principal balance. Even if your home's value stays flat, your equity grows because you're paying down the debt. If the market eventually rebounds, your equity will grow even faster.
• The Benefit: This avoids the immediate costs and stress of selling or refinancing. It's a passive strategy that requires no action beyond your regular budget.

• The Consideration: This only works if you can afford the payments and plan to stay put. It's a long-term play, not a quick fix. As economist Brad Case notes, this is about a market returning to "normalization," which suggests prices may stabilize or rise again over years, not months.

• Refinance if Possible: Lock in a Lower Rate

If you have good credit and some remaining equity, refinancing into a new loan with a lower interest rate can dramatically improve your cash flow and make the mortgage more manageable.

• The Mechanism: You replace your current, higher-rate loan with a new one at a lower rate. This reduces your monthly payment and the total interest paid over the life of the loan.
• The Benefit: Lower payments free up cash for other needs and reduce the risk of default. Recent data shows a clear opportunity: when rates dipped in early January, nearly five million borrowers became eligible for a refinance, with affordability hitting a four-year high.

• The Consideration: You must have enough equity to qualify. If you're deeply underwater, lenders won't approve a refinance because they'd be taking on a loan with a high loan-to-value ratio. This option is off the table for many underwater homeowners.

• Talk to Your Lender: Explore a Short Sale or Modification

If you're facing financial hardship and can't afford to stay or refinance, the most proactive step is to contact your lender. They may offer options to avoid foreclosure.

• The Mechanism: A loan modification changes the terms of your existing mortgage-like lowering the interest rate or extending the loan term-to make payments more affordable. A short sale allows you to sell the home for less than what you owe, with the lender agreeing to accept the sale proceeds as full payment and forgiving the remaining balance.
• The Benefit: Both options can prevent the severe credit damage of a foreclosure. A short sale, in particular, is often less damaging than a foreclosure and allows you to exit the property without a huge personal debt.
• The Consideration: This requires honesty and initiative. Lenders are more likely to work with you if you reach out proactively. However, a short sale may still require you to pay some of the shortfall, and it can be a lengthy process. It's a last resort, but a responsible one.

The bottom line is that your situation is unique. There's no one-size-fits-all answer. Start by assessing your budget and long-term plans. Then, gather the facts: get a current appraisal, review your loan terms, and talk to your lender. The goal isn't to panic, but to understand your options and choose the path that gives you the most control and the clearest path forward.

Who's Most at Risk and What to Watch

The risk of being underwater isn't spread evenly. It falls heaviest on borrowers who started with the smallest financial cushion. People who put down little cash-like those with Federal Housing Administration (FHA) loans or Veterans Affairs (VA) loans-have less equity to begin with. That means even a modest dip in home prices can push them into negative equity. As economist Joel Berner noted, recent homeowners have not started with high levels of equity in their homes, making them especially vulnerable to any market correction.

The states where this problem is most acute are clear. Louisiana leads the list, with 11.9% of mortgages seriously underwater in the second quarter of 2025. That's one in every eight loans in the state. Other states like Kentucky, Mississippi, and Iowa also saw rates above 5%. These are the local hotspots where the combination of recent price declines and low initial equity has created the deepest stress.

For homeowners, the key is to monitor two moving targets. First, keep an eye on local housing prices. The data shows a clear regional split, with Sun Belt areas seeing the biggest drops. If prices in your area are falling, the gap between what you owe and what your home is worth is likely growing. Second, watch mortgage rates. While a rate drop can unlock a refinance opportunity for some, it also signals a shift in the broader market. A sustained climb in rates, however, would make carrying a high-payment loan even more burdensome.

The bottom line is that the risk is concentrated. If you live in a state like Louisiana, Kentucky, or Mississippi, or if you have a low-down-payment loan, you're in a more exposed position. The most at-risk states have underwater rates over 10%. For everyone else, the situation is a reminder to stay informed about local market trends and your own loan terms.