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Step-Up in Basis: Inherited Real Estate, Trusts, and 2026 Rules

By Jerry Baker

A step-up in basis generally resets the tax basis of qualifying inherited property to its value at the owner’s death. That can reduce gain on a later sale, but falling value can cause a step-down. It does not erase estate tax, every income-tax item, or investment risk.

For real estate owners, this is often part of the question, “What happens if my family inherits it?” I would separate the tax answer from the ownership answer. The heirs may receive a better basis and still need cash, a manager, or a way to sell. A useful estate plan addresses all of those concerns.

What the basis adjustment does

Basis is the tax amount used to measure gain or loss. For property you bought, it generally starts with cost and changes with improvements, depreciation, and other items. For qualifying inherited property, the starting basis generally becomes fair market value at death, subject to exceptions and permitted valuation rules. [1]

Suppose a parent owns investment land with a $200,000 adjusted basis. At the parent’s death, the land has a supported value of $900,000. If the usual inherited-basis rule applies, the heir’s starting basis is generally $900,000.

The heir later sells for $920,000 with $20,000 of selling costs. With no other changes, the amount realized is $900,000. In that simplified example, gain is zero. The $700,000 increase above the parent’s old basis does not carry into the heir’s gain calculation.

Now change the sale price to $1 million. With the same $20,000 costs, gain becomes $80,000. Future growth can still create taxable gain. The basis adjustment is tied to a valuation date, not a permanent exemption for everything the asset later earns.

It can also be a step-down

“Step-up” is the familiar name because many assets rise in value over time. But the general rule is a value-based adjustment, not a rule that only helps when prices rise. If an asset has fallen in value, the inherited basis can be lower than the decedent’s adjusted basis. [1]

Assume an asset had a $600,000 adjusted basis and is worth $450,000 at death. If the general rule applies, the heir’s basis starts at $450,000. The heir does not automatically keep the $600,000 number to claim the old owner’s unrealized loss later.

A sale soon after death may help support value, but the sale price and valuation-date value are not automatically identical. Market conditions, property changes, and the terms of the sale can matter. The executor and tax adviser should document the value used.

This is one reason to review assets individually. A family may own both highly appreciated property and assets with losses. A single phrase such as “everything steps up” can hide very different tax outcomes.

Which date and value apply?

Date-of-death fair market value is the usual starting point. In certain estates, a valid alternate-valuation election or a special-use valuation rule can change the result. The beneficiary cannot simply choose whichever value produces the largest basis. [1]

An alternate-valuation election is an estate-level rule with conditions. It is not a general option to use a higher value six months later. Have the executor and estate-tax preparer confirm whether an election is available and how it applies to each asset.

Some beneficiaries receive Schedule A of Form 8971, which reports estate-tax values. Consistent-basis rules can require the income-tax basis to match the relevant estate-tax value. Do not substitute a new number without understanding those requirements. [1]

For real estate, retain the appraisal and the facts behind it. The asset may be a minority interest or have transfer limits. Its value may differ from a simple share of the whole property. The tax team should identify precisely what the owner held and what the heir received.

A number on a property website is not a substitute for a supported valuation of a complex holding. The work may cost money, but it provides the evidence that can support years of later tax reporting.

Basis and estate tax answer different questions

The inherited-basis rule concerns income-tax basis. Federal estate tax concerns a transfer at death. A property can get a new basis even when the estate owes no federal estate tax. Conversely, a basis adjustment does not itself exempt a large estate from transfer tax. [1] [2]

For 2026, the federal basic estate and gift tax exclusion is $15 million per person under the law enacted in 2025. Prior taxable gifts, deductions, other assets, and available spousal rules affect the actual estate-tax calculation. The exclusion is not a fresh separate $15 million allowance for every asset or every gift. [3]

Do not use an older forecast that assumed the prior law’s scheduled 2026 reduction would take effect. The 2025 law changed that result. At the same time, no current article can promise Congress will never change the law again.

A surviving spouse may be able to use a deceased spouse’s unused exclusion through portability. That generally requires an estate-tax return and a valid election. It should not be treated as automatic merely because the couple was married. Relief for some missed elections has its own conditions. [2]

State estate or inheritance rules may also matter. Ask counsel to check the applicable states separately. A federal exclusion amount does not establish the state result or remove the need to handle filings and estate administration.

A lifetime gift usually follows a different basis rule

Giving an appreciated asset to a child during life generally does not provide the same basis reset as a qualifying inheritance. For gain, the recipient generally starts with the donor’s basis, with applicable adjustments. If value was below basis at the gift date, separate loss-basis rules can apply. [1]

Suppose a parent gives land with a $200,000 basis and $900,000 value. Ignoring gift-tax basis adjustments and other facts, the child generally takes the $200,000 gain basis. A later $900,000 sale can therefore expose the prior appreciation to gain.

That does not mean every lifetime gift is a mistake. A gift may serve other goals, including support for family members or transfer-tax planning. It means the plan should compare the income-tax basis effect with the other benefits and costs.

Adding a child to a deed can also have legal, creditor, control, and tax effects. It is not just a form change. Before signing, ask what ownership is being transferred, whether a gift occurs, and how basis will be divided.

There is also a specific anti-abuse limit: appreciated property given to someone within one year before that person dies does not get the normal value reset when it comes back to the original donor or the donor’s spouse under the rule described in Publication 551. Do not assume a brief round-trip gift creates a new basis. [1]

Joint ownership and community property are different

For many qualifying joint interests held by spouses, the deceased spouse’s portion receives the death-related adjustment while the surviving spouse’s own portion keeps its existing basis. The exact ownership and estate-inclusion rules matter. It is not safe to assume all jointly owned property gets a full reset. [1]

Consider a simple spousal joint-interest example. Total old basis is $600,000, split equally. Value at death is $1 million. If only the deceased spouse’s half is adjusted, that half becomes $500,000. The survivor’s half stays at $300,000, leaving a total basis of $800,000.

Qualifying community property can have a different result. Generally, both halves can receive the adjustment when at least half the community property’s value is includible in the deceased spouse’s gross estate. That can apply even when no estate-tax return is required. [1]

Using the same $600,000 old basis and $1 million value, qualifying community property could have a total $1 million basis under that rule. The difference comes from the legal ownership and tax conditions, not from choosing the more favorable example.

Have estate counsel review the deed, marriage-property law, source of funds, and any trust. Property located in a community-property state is not automatically community property merely because of its address.

A trust label does not guarantee a basis reset

A revocable living trust often serves estate-administration goals. An irrevocable trust may serve different goals. Neither word, by itself, tells you every tax result. The trust’s terms, powers, ownership, and tax treatment matter.

Revenue Ruling 2023-2 addresses an irrevocable grantor trust funded by a completed gift, where the assets were outside the grantor’s gross estate under the stated facts. The IRS concluded that grantor-trust status alone did not give those assets a section 1014 basis adjustment at the grantor’s death. [4]

Being treated as the owner for income-tax purposes and having assets included for estate-tax purposes are different questions. Do not assume paying the trust’s income tax means the trust assets will receive a new basis at death.

The ruling should not be stretched into a claim that every trust fails or that one fact settles every inherited-basis case. Ask the attorney which provision supports the planned result and whether the trust documents actually meet it.

For a family real estate plan, I would want the CPA and estate attorney working from the same ownership chart. A well-designed investment plan can still run into trouble if one adviser assumes personal ownership and another assumes the asset was already given away.

Some inherited income does not get this treatment

Income in respect of a decedent, often shortened to IRD, is an important exception to the simple “new basis” story. It includes certain income the person had a right to receive but that was not properly included on the final return. The estate or beneficiary may have to report it when received. [5]

Examples can include certain unpaid compensation, accrued income, taxable traditional IRA amounts, and gain in an inherited installment obligation. The specific rules differ by income type. Inheriting a right to receive taxable income is not the same as inheriting an unsold parcel of land.

If a parent sold property on the installment method before death, the heir generally does not replace the remaining obligation’s gain history with a tax-free face-value basis. Publication 559 explains that the inherited payments generally continue using the decedent’s gross-profit percentage.

For instance, if the applicable gross-profit percentage is 40%, a $50,000 principal payment generally contains $20,000 of gain under that simplified rule. Interest is separate. The parent’s death does not by itself make the whole principal payment tax-free. [5]

This is a reason to compare selling before death with holding the underlying asset, but it is not a reason to postpone every sale. Health, cash needs, investment risk, and the family’s ability to manage the asset matter too.

An entity interest and its real estate can have different bases

When the inherited asset is a partnership or LLC interest taxed as a partnership, distinguish outside basis from inside basis. Outside basis belongs to the owner’s interest. Inside basis belongs to the partnership’s assets. An adjustment to one does not automatically reset all the other owners’ property basis. [6]

A partnership’s asset basis generally is not changed merely because an interest passes at death. A section 754 election can allow a transfer-related adjustment under section 743(b). Other entity rules also need review. The effect is specific and needs the partnership’s tax team.

Ask whether an election is in place, whether one will be made, and what records the heir must provide. Also ask how any adjustment is allocated among assets and reflected in future deductions or gain.

Do not assume inherited operating partnership units reset every building’s basis. The unit-level value, liability allocation, and asset-level rules require separate work.

The same practical lesson applies to any ownership structure: identify the asset that actually passes to the heir. A share, a partnership interest, a qualifying trust interest, and a direct deed are not interchangeable descriptions.

How this relates to a 1031 exchange

A qualifying 1031 exchange generally carries deferred gain into replacement basis. If the owner later dies holding property that qualifies for the inherited-basis rule, a death-related adjustment may affect that carried basis. The answer depends on the ownership and applicable law at that time. [1]

This is sometimes described as exchanging for life and leaving the property to heirs. The phrase can make a complex plan sound automatic. An exchange does not guarantee the owner will hold the asset until death, that the structure will remain suitable, or that future law will stay unchanged.

A sponsor may sell a property during the owner’s life. An investment may also change structure or have a planned exit that limits the investor’s control. Review those terms rather than assuming the family can dictate every sale date.

For a DST or other private holding, ask how an estate transfer works in practice. What documents are required? Who updates ownership records? What transfer limits apply? How are values obtained? The tax result and access to cash are different issues.

I would consider a possible future basis adjustment as one planning factor. It should not be used to justify an investment whose cash flow, leverage, or lack of liquidity does not fit the owner today.

What heirs should do after receiving property

Start by confirming legal authority. The executor, trustee, or beneficiary may have different powers and responsibilities. Do not assume a family member can sell, refinance, or distribute the asset before the estate documents and title are reviewed.

Then gather the valuation, ownership records, old tax schedules, and any estate-tax reporting. Even when basis changes, the old records can help establish what was owned and how the new calculation was made.

If the property stays in rental use, ask the CPA to establish the correct new depreciation schedule for the inherited interest. Separate land from depreciable assets. Future improvements and deductions will change basis again; it does not remain frozen at the date-of-death value.

Review the investment itself. Does it need a major repair? Is a loan coming due? Do the heirs need equal cash amounts, or do some want to hold while others want to sell? A tax benefit does not resolve those practical differences.

Finally, keep a dated record of the basis conclusion and its support. A sale five years later should not require the family to reconstruct the entire estate file from memory.

Keep debt and cash separate from basis

Suppose an inherited property has a supported value and tax basis of $1.2 million under the applicable rule. It also has a $700,000 loan. Ignoring costs, a sale for $1.2 million leaves $500,000 after the debt is paid.

The $500,000 cash is not the property’s tax basis. The lender’s claim affects what the family can spend. The basis helps measure gain. Both numbers matter, but they serve different jobs.

Now assume the family plans to keep the property. The basis adjustment does not cancel the loan or pay next month’s bills. Ask how much cash is on hand, who will sign checks, and whether the loan terms change at death. Those are practical issues to settle with the lender and legal team.

Questions for the estate attorney and CPA

These questions make the plan concrete. They connect the tax rule to the property, legal documents, and people involved. Leave clear choices and useful records. Do not leave the next generation to sort it all out.

Frequently asked questions about a step-up in basis

Does every inherited asset get a step-up?

No. The general inherited-property rule has exceptions, and some assets produce taxable income in respect of a decedent. Trust ownership and entity interests also need review. The asset must be identified before assuming which basis rule applies. [1] [5]

Can basis go down at death?

Yes. If the applicable value is below the old adjusted basis, the rule can produce a step-down. “Step-up” is the common name, but the general adjustment works in both directions. Keep support for the valuation used. [1]

Must the estate owe federal estate tax to get the adjustment?

Not generally. Income-tax basis and estate-tax liability are different questions. An eligible asset can receive a basis adjustment even if no federal estate tax is due. Estate inclusion, ownership, and other conditions still need to be checked. [1]

What is the federal estate exclusion for 2026?

The basic estate and gift tax exclusion is $15 million per person for 2026 under the law enacted in 2025. Prior taxable gifts and other rules affect its use. State tax and spousal portability need separate analysis. [3]

Does a lifetime gift give my child the same basis?

Usually not. A gift generally carries the donor’s basis for gain, with applicable adjustments and separate loss rules when value is lower. A qualifying inheritance generally uses a value-at-death rule. Compare both effects before transferring an appreciated asset. [1]

Does an irrevocable grantor trust guarantee a step-up?

No. Grantor-trust status for income tax alone does not guarantee a basis adjustment. Revenue Ruling 2023-2 denied it for the completed-gift trust assets outside the estate under its facts. Have counsel review the actual trust and applicable provision. [4]

Does a 1031 exchange guarantee my heirs will never pay tax?

No. An exchange generally defers gain. A later qualifying inheritance may change basis, but future income, later appreciation, estate tax, ownership structure, and other exceptions still matter. Investment terms may also prevent control over the timing of a sale.

Does a higher basis make an inherited investment liquid?

No. Basis is a tax measure. It does not require a sponsor to redeem an interest, remove transfer limits, pay off debt, or create a buyer. Review cash needs and transfer terms separately from the tax calculation.

Sources and references

  1. Internal Revenue Service. Publication 551: Basis of Assets. December 2025 edition.Relevant sections: Cost basis, settlement costs, land and buildings, adjustments, gifts, inherited assets, exchanges, and conversion to rental use. Accessed October 6, 2026.
  2. Internal Revenue Service. Frequently Asked Questions on Estate Taxes. Current official resource reviewed October 6, 2026.Relevant sections: Estate-tax filing, portability elections and relief, and changes enacted in 2025 affecting 2026. Accessed October 6, 2026.
  3. Internal Revenue Service. Revenue Procedure 2025-32. 2026 inflation adjustments published October 9, 2025.Relevant sections: Section 4.03: all five 2026 capital-gain threshold pairs; sections 2 and 4 on enacted 2025 law and 2026 amounts. Accessed October 6, 2026.
  4. Internal Revenue Service. Revenue Ruling 2023-2: Basis of Assets in an Irrevocable Grantor Trust. 2023 revenue ruling, reviewed October 6, 2026.Relevant sections: Issue, facts, and holding: completed-gift grantor trust assets outside the gross estate do not receive a section 1014 adjustment solely from income-tax ownership. Accessed October 6, 2026.
  5. Internal Revenue Service. Publication559: Survivors, Executors, and Administrators. 2025 edition.Relevant sections: Inherited property, income in respect of a decedent, installment obligations, and inherited IRAs. Accessed October 6, 2026.
  6. Internal Revenue Service. Publication541: Partnerships. December 2025 edition.Relevant sections: Basis of a partner’s interest and optional adjustment of partnership asset basis following a sale or death. Accessed October 6, 2026.

Educational information, not an offer or a personal tax, legal, or investment recommendation. Examples are hypothetical and omit stated adjustments. Tax treatment depends on your facts and current law. Review your transaction with your CPA, attorney, and qualified intermediary. Real estate investments can lose value and may be illiquid.

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