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Oregon 2026 Tax Changes — What Residents & Business Owners Must Know

On January 1, 2026, major federal tax changes take effect due to the expiration of several Tax Cuts and Jobs Act (TCJA) provisions and the updated rules under the One Big Beautiful Bill Act (OBBBA).

Oregon residents — who pay a progressive state income tax based on federal AGI — will feel the effects immediately. Higher federal taxable income automatically increases Oregon taxable income.

These Changes Affect:

Below is the full, Oregon-specific overview of the 2026 federal changes.

Key 2026 Federal Changes Affecting Oregon

Standard Deduction Shrinks

TCJA temporarily doubled the standard deduction. OBBBA did not extend this provision.

Projected 2026 standard deduction:

Because Oregon uses federal AGI, this deduction drop increases both federal and Oregon taxable income.

Federal Income Tax Brackets Increase

When TCJA’s bracket cuts expire in 2026:
Oregon residents most affected include:

These changes will significantly raise federal tax liability and increase Oregon state taxes as well.

QBI Deduction Made Permanent Under OBBBA

OBBBA permanently preserved the 20% Qualified Business Income (QBI) deduction.

This benefits:

Beginning in 2026, updated QBI rules include new income thresholds and documentation requirements.

Oregon does not apply a separate state QBI deduction.

Child Tax Credit Shrinks

Beginning in 2026:

Families throughout the Portland metro area and Oregon’s growing suburbs will see smaller refunds.

Child Tax Credit Shrinks

Marriage Penalty Returns

In 2026, the marriage penalty reappears due to TCJA’s expiration.

Oregon’s large population of dual-income professional households will experience:
Marriage Penalty Returns

Oregon–Specific Tax Considerations

1. Oregon Uses Federal AGI for State Tax Calculations

Because Oregon begins its tax calculation with federal AGI:

…all increase Oregon state taxes.

Residents across the state will see higher combined federal and state liabilities.

Oregon Uses Federal AGI for State Tax Calculations

2. Real Estate Owners & Rental Investors Will Be Affected

Oregon real estate markets — including Portland, Bend, Eugene, Salem, and coastal areas — will feel federal changes involving:

Property appreciation across much of Oregon increases capital gains exposure beginning in 2026.

Real Estate Owners & Rental Investors Will Be Affected

3. STR Owners Must Prepare for Updated Rules

Short-term rental activity is strong in:
2026 federal STR rules include:

STR hosts will need stronger documentation.

STR Owners Must Prepare for Updated Rules

4. Oregon’s High Cost of Living Magnifies Federal Changes

Many Oregon households already face:

Reduced deductions and higher brackets impact Oregon residents more severely than many other states.

5. Retirement Income Planning Is Essential

Oregon taxes most retirement income, including:

Federal bracket increases mean retirees may owe significantly more in combined taxes.

5. Retirement Income Planning Is Essential

Who Is Most Affected in Oregon (2026)

Who Is Most Affected in Oregon (2026)

What Oregon Residents Should Do Before December 31, 2025

What Oregon Residents Should Do Before December 31, 2025

Oregon 2026 Tax FAQ

 No. QBI is federal-only.

 Rates remain the same, but Oregon taxable income rises due to federal changes.

 Yes. The reduced Child Tax Credit and higher AGI shrink refunds.

Yes. Depreciation reductions and participation rules tighten.

Yes. Higher federal brackets raise tax costs on IRA and pension withdrawals.

Get your 2026 Oregon Tax Strategy

Oregon residents face substantial tax changes in 2026.

Higher taxable income, reduced credits, and updated rules affecting business owners, renters, families, and retirees make early planning essential.

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