Oregon Estimated Tax Deadlines — 2026

2026 estimated tax payment deadlines for each quarter. Avoid penalties by filing on time.

Oregon residents who work for themselves face a unique combination of federal and state tax obligations. This page provides state-specific guidance for estimated tax deadlines in Oregon for the 2026 tax year, drawing on IRS publications and Oregon tax authority data.

Oregon imposes a state income tax with 4 tax brackets and a top marginal rate of 9.9%. The state standard deduction is $2,910, and self-employed residents must pay both federal and state income taxes on their net earnings. Forming an LLC in Oregon costs $100 in state filing fees. LLCs in Oregon must pay an annual report fee of $100. Oregon has no state sales tax. Quarterly estimated tax payments are due April 15, June 16, September 15, and January 15 in Oregon. Understanding these obligations before you file prevents penalties and identifies legitimate savings opportunities.

Quick Oregon Tax Estimate

Based on Oregon's tax rates for 2026. Sample calculation for $80,000 net profit.

State Tax on $80K Profit
$3,377.56
SE Tax
$11,303.64
Effective Rate
24.4%
Marginal Rate
12%
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Oregon Tax Facts — 2026

Oregon State Income TaxYes
Oregon Sales TaxNone
LLC Filing Fee$100
Annual Report Fee$100

How to Use This Calculator

Review the Oregon-specific information on this page, then use the linked calculators to compute your personalized estimates. Enter your income and expenses, select Oregon, and review your results. Cross-check key figures against the official Oregon tax authority website linked in the resources section.

Why Getting This Right Matters

Tax mistakes cost Oregon self-employed individuals real money — penalties, interest, and missed deductions. Accurate state-specific guidance means paying exactly what you owe, claiming every deduction available, and avoiding costly surprises. The 8% IRS underpayment rate plus Oregon state penalties make accuracy a financial necessity.

Oregon Income Tax Brackets (2026)

Tax RateFromTo
4.8%$0$4,550
6.8%$4,551$11,400
8.8%$11,401$125,000
9.9%$125,001No limit

Frequently Asked Questions

What are the tax obligations for self-employed workers in Oregon?
Self-employed Oregon residents pay 15.3% federal self-employment tax, federal income tax, and Oregon state income tax. Quarterly estimated payments are required if you expect to owe $1,000+. Use our self-employment tax calculator for your personalized estimate.
Where can I find official Oregon tax information?
The authoritative source is the Oregon Department of Revenue website, linked in the resources section below. The IRS website provides federal guidance including Schedule SE instructions and Publication 334. Always verify current-year figures with official sources before filing.
What forms do Oregon self-employed individuals file?
Federal: Form 1040 with Schedule C (business profit/loss), Schedule SE (self-employment tax), and Form 1040-ES (quarterly estimates). Oregon requires a separate state income tax return — check the state Department of Revenue website for the exact form number and filing method.
How does Oregon compare to other states for self-employed taxes?
Oregon imposes a state income tax with 4 tax brackets and a top marginal rate of 9.9%. The state standard deduction is $2,910, and self-employed residents must pay both federal and state income taxes on their net earnings. Compare your total tax burden against all 50 states using our state tax comparison tool to see potential savings from relocation or remote work.

Official Resources & References

Disclaimer: This calculator provides estimates for informational purposes only. It does not constitute tax, legal, or financial advice. Tax laws change frequently and vary by individual circumstances. Always consult a qualified CPA or tax professional before making tax decisions.