The 1997 Home Sale Tax Rule That Is Keeping Long-Term Homeowners From Moving

A Rule Written for a Different Era Is Creating Very Real Problems Today

If you have owned your home for a decade or more the equity you have built over that time is likely one of the most valuable financial assets you own. That wealth represents years of dedication, consistent payments, and smart decisions and for many long-term homeowners it is the cornerstone of everything they have planned financially for the road ahead.

But when the conversation turns to actually selling and moving into the next chapter a tax rule that has sat unchanged since 1997 may be quietly working against the decision you want to make. That rule is now at the center of a serious and growing conversation in Washington and if you are sitting on substantial equity the details of what is being discussed matter directly to your planning and your options over the next few years.

What the Current Law Says

Federal tax law permits homeowners who sell their primary residence to exclude a portion of their profit from capital gains taxes. Single filers can exclude up to $250,000 in gains. Married couples filing jointly can exclude up to $500,000. To qualify the home must have been your primary residence for at least two of the last five years before the sale.

When Congress established these thresholds in 1997 the median home price in the United States was well under $200,000. The exclusions were calibrated for a market where the vast majority of sellers would never come close to the cap and would owe nothing in capital gains taxes at all. Today in markets across the country where home values have doubled, tripled, or appreciated even more dramatically over the past two to three decades a growing number of long-term homeowners are sitting on gains that significantly exceed those limits.

The thresholds have never been adjusted for inflation. They have never been updated to reflect the dramatic appreciation that has reshaped housing values since they were written into law. And the gap between a 1997 policy and a 2025 housing market is now wide enough to meaningfully affect real decisions for real homeowners across the country.

Why Long-Term Owners Are Staying Put Even When They Want to Move

The financial calculation a meaningful and growing segment of long-term homeowners are running right now is leading many of them to the same uncomfortable conclusion. The potential tax bill attached to selling is large enough to make staying feel like the more financially sensible choice even when moving is genuinely what they want to do.

As Matt Collett explains the math is straightforward and sobering. A homeowner who purchased their property for $185,000 and is now sitting on a home worth $680,000 faces a gain of $495,000. For a single filer that puts $245,000 above the current exclusion threshold and potentially subject to federal capital gains taxes at rates reaching 20 percent before any applicable state taxes are considered. What was supposed to feel like a reward for years of responsible homeownership can suddenly look like a significant and unexpected penalty for wanting to move forward.

When enough homeowners make this calculation simultaneously and decide to hold rather than sell the downstream effect on housing supply is measurable. Homes that would otherwise come to market simply do not and communities that could benefit from more available inventory stay constrained in ways that ripple outward to buyers at every price range.

What Lawmakers Are Actively Considering

The policy conversation now happening in Washington centers on whether the exclusion thresholds need to be modernized for the first time in nearly three decades. Two approaches are under serious and active discussion. The first is raising the caps to a new fixed dollar amount that better reflects what home values actually look like across the country today. The second is indexing the exclusion to inflation going forward so that the thresholds adjust automatically over time rather than remaining frozen until Congress decides to revisit them again decades from now.

Both proposals are connected to the same underlying argument about housing supply. If long-term owners feel more financially comfortable with the outcome of selling more homes enter the market. Whether the effect on inventory would be large enough to produce meaningful relief is debated among economists. Some argue that most sellers already fall under the current thresholds and would not be directly affected by a higher cap. Others believe the barrier is real and significant enough in high-appreciation markets to genuinely shift seller behavior at scale.

What is clear is that the conversation is happening seriously enough and loudly enough that any long-term homeowner with substantial equity and a potential move on the horizon should be paying close attention even without final legislation in place.

The Planning Mistakes That Are Costing Long-Term Sellers the Most

Regardless of what ultimately happens with the exclusion thresholds there are steps long-term homeowners can take right now that directly affect how much of their gain they keep when they eventually sell. The most consistently overlooked involves documentation of capital improvements made throughout the years of ownership.

Significant upgrades including room additions, major renovations, roof replacements, new HVAC systems, and other substantial improvements can all be added to your cost basis. A higher cost basis means a smaller taxable gain at the point of sale. Without records to support those additions the financial benefit of those investments disappears entirely and you pay taxes on gains that your own spending on the property should have reduced.

Timing matters significantly as well. The calendar year in which a sale closes, your overall income picture for that year, and how the proceeds interact with other financial decisions can all affect what you ultimately owe. These variables can be managed thoughtfully but only when planning begins well before you are under contract and the most consequential decisions have already been made by default.

As Matt Collett points out the sellers who navigate this process in the strongest financial position are almost always the ones who started the conversation with both a tax professional and a knowledgeable loan officer at least a year before they were ready to list, not in the final weeks after signing a contract when options have already narrowed considerably.

What You Should Do Before the Rules or the Market Shifts

You do not need to wait for a congressional vote before getting your own situation in order. If you are a long-term homeowner with meaningful equity and a move somewhere in your one to three year planning horizon taking stock of your position now puts you in a far stronger place regardless of what ultimately happens with the exclusion thresholds.

Start by pulling together records of your original purchase price and any documented improvements made since buying. Have a preliminary conversation with a tax professional to estimate your potential gain under current law and understand what your exposure looks like. And connect with a loan officer who can help you think through how a sale fits into your broader financial picture and what your options look like on the other side of the transaction.

Matt Collett works with long-term homeowners to build clarity and a real plan before decisions need to be made under pressure or on a compressed timeline. Reach out to Matt Collett to get ahead of the conversation before the market or the tax code shifts around you.

Sources

IRS.gov NAR.realtor TaxFoundation.org Forbes.com Realtor.com