Oregon Farmland and Natural Resource Property Estate Tax Exemption

Oregon's $1 million estate tax exemption creates a severe problem for farm and timber families. A working farm that was purchased decades ago for a fraction of its current market value can easily push an estate above the threshold — even though the family has no intention of selling and no liquid assets to pay the tax. Forced sales of family land to cover estate taxes have historically been a real consequence of this cliff.

Oregon recognized this and created a specific carve-out: the Natural Resource Property Exemption, available for deaths on or after July 1, 2025. For qualifying farmland and timber property, the exemption subtracts the value of that land directly from the gross estate before any tax is calculated — potentially eliminating estate tax entirely for agricultural and forestry families.

What Qualifies as Natural Resource Property

Oregon's exemption covers "natural resource property" as defined under ORS 118.005 to 118.540. The property must meet qualifying use requirements to be eligible:

Agricultural land: Property used for farming, ranching, or agricultural production. This includes active cropland, pasture land, orchards, and vineyards where the primary use is agricultural production.

Timber land: Property used for commercial timber production, managed under a forest management plan that demonstrates ongoing forestry activities.

Other qualifying natural resource uses: The statute also covers certain commercial fishing, mining, and similar resource-extraction activities on qualifying real property in Oregon.

The property must be actively used for its qualifying purpose — not merely zoned for agricultural or forestry use. A farm that has been fallow for years or a timber tract that is no longer under active management may not qualify.

Oregon location requirement: Only Oregon-situated natural resource property qualifies for the exemption. Out-of-state farmland or timber does not reduce the Oregon taxable estate under this provision.

How the Exemption Is Calculated

The Natural Resource Property Exemption works by subtracting the qualifying property's value from two figures simultaneously:

1. The total gross estate (before applying the $1 million exemption)
2. The gross value of property located in Oregon (used in the fractional calculation for nonresident estates)

This dual reduction is significant. For an Oregon resident's estate, reducing the gross estate directly reduces whether the $1 million threshold is triggered. For a nonresident estate with Oregon farmland, it also reduces the Oregon-situated property in the fractional apportionment calculation.

Example: An Oregon family has a total estate of $1.4 million — $900,000 in farmland and $500,000 in other assets (house, retirement account, life insurance). Without the exemption, the $1.4 million estate triggers Oregon estate tax on $400,000 above the $1 million threshold — a tax of approximately $40,000.

With the Natural Resource Property Exemption applied to the $900,000 in qualifying farmland, the effective gross estate for tax purposes is reduced to $500,000. This falls below the $1 million Oregon exemption — no estate tax is owed.

Filing Schedule OR-NRE

To claim the exemption, the personal representative must file Schedule OR-NRE (Natural Resource Property) attached to Form OR-706. This schedule requires:

• A description of the qualifying property (legal description, acreage, county)
• Documentation of the qualifying agricultural or forestry use
• The fair market value of the property as of the date of death
• Identification of the heirs or beneficiaries who will receive the property and continue its qualifying use

The Department of Revenue may request additional documentation to verify that the property meets the qualifying use requirements. Having a current agricultural appraisal, farm income records, or a timber management plan available when filing strengthens the claim.

The exemption must be elected on the OR-706 — it is not automatic. If the executor fails to file Schedule OR-NRE, the exemption is not applied and the estate pays tax as if no qualifying property exists.

The Recapture Rule: Long-Term Liability for Heirs

The Natural Resource Property Exemption comes with a significant string attached: a recapture tax that can activate years after the estate is settled.

Under ORS 118.005 to 118.540, if the heirs who received the qualifying natural resource property later:

• Sell the property
• Transfer the property to a non-family member
• Convert the property away from its qualifying agricultural or forestry use (by developing it, switching to non-qualifying commercial use, or simply allowing it to sit idle)

...then Oregon will recapture the full estate tax that was exempted. The state imposes an additional tax equal to exactly what would have been owed if the exemption had never been claimed.

This recapture creates a long-term encumbrance on the land. Heirs who sell the property 10 or 20 years after the estate closes will suddenly owe an Oregon estate tax bill that was originally deferred — plus any applicable interest.

Practical implications:

• Heirs who intend to continue farming or managing timber should document that intention and actively maintain the qualifying use.
• Any heir considering selling the property should first calculate the recapture tax liability and factor it into the sales price negotiation.
• Farm succession plans should explicitly address the recapture risk, including provisions for how the tax will be funded if a future sale occurs.
• If all heirs want to sell but want to minimize the tax hit, timing the sale shortly after the estate closes (when property value appreciation is minimal) may reduce the capital gains exposure, though the recapture tax itself is fixed at the estate tax exemption value.

Comparison to Federal Rules

The federal estate tax has a parallel provision under IRC Section 2032A — the Special Use Valuation for qualified real property used in farming or in a closely held business. Section 2032A allows the property to be valued at its current use value (as farmland) rather than its highest and best use value (as developable land), which can significantly reduce the gross estate figure.

Oregon's Natural Resource Property Exemption works differently — it removes the qualifying value entirely from the taxable estate rather than revaluing it. For estates that are primarily composed of natural resource property and have few other significant assets, the Oregon exemption may be more powerful than the federal provision.

For estates above the federal exemption threshold ($13.61 million in 2025), both elections can be made simultaneously on Form 706 (federal Section 2032A) and Form OR-706 (Schedule OR-NRE). Estates that qualify for both but only elect one leave tax savings on the table.

Who Should Consider This Exemption

The Natural Resource Property Exemption is most valuable for:

• Farm families with large acreage but relatively modest other assets. The exemption can push the taxable estate below $1 million, eliminating Oregon estate tax entirely.
• Timber landowners. Timber tracts in Oregon can have very high market values if the underlying timber is mature. The exemption prevents a single generation from losing the land to estate taxes.
• Mixed estates with farmland and liquid assets. Even if the total estate remains above $1 million after the exemption, reducing the taxable base still reduces the overall tax bill.

The exemption is not available for farmland that the family has stopped actively using, for property that is being converted to development, or for agricultural property held in investment portfolios without active agricultural use.

Getting It Right

Because this exemption involves both a current tax benefit and a long-term recapture obligation, it requires careful documentation and planning. The executor should work with a CPA familiar with Oregon agricultural estates and consider consulting an estate attorney to ensure that the heirs understand the recapture risk before the estate is closed.

For a complete guide to Oregon estate tax deductions, exemptions, and the Form OR-706 filing process — including the natural resource exemption, Schedule J funeral deductions, and the OSMP election for surviving spouses — the Oregon Final Tax & Estate Tax Guide provides the step-by-step roadmap for settling an Oregon estate correctly and minimizing the tax burden for the family.

See more Oregon guides →