Oregon LLC Taxes Explained: No Sales Tax, 9.9% Income Tax (2026)
Oregon's tax story has two sides: genuinely no sales tax, but a graduated income tax that reaches a 9.9% top rate faster than almost any other state. Here's every layer your LLC touches, with an estimator and the Corporate Activity Tax explained clearly.
Default LLC pass-through taxation depends on the owner and classification. Oregon has no general sales tax; income tax, CAT and an eligible annual PTE-E election have separate bases and rules. Register for Oregon CAT within 30 days of reaching $750,000 in Oregon commercial activity. Registration is separate from filing and payment: commercial activity over $1 million triggers the return requirement, while tax depends on taxable commercial activity after exclusions and the permitted subtraction. Track gross receipts and taxable activity separately.
- State income tax
- Graduated, tops out at 9.9%
- Top bracket threshold
- $125K single / $250K MFJ
- Entity-level tax (default)
- None
- Sales tax
- None
- Corporate Activity Tax
- $250 + 0.57% above $1M activity
- CAT registration threshold
- $750,000
The Tax Layers in Oregon
Federal: income + self-employment tax
Pass-through profits hit your 1040 at your federal bracket, plus 15.3% SE tax on 92.35% of net profit.
Oregon state income tax: graduated, tops out at 9.9%
Four brackets, with the top rate reached at a relatively low income threshold compared to other high-tax states.
No sales tax
Oregon is one of only five states with no general statewide sales tax.
Corporate Activity Tax (if applicable)
Register for Oregon CAT within 30 days of reaching $750,000 in Oregon commercial activity. Registration is separate from filing and payment: commercial activity over $1 million triggers the return requirement, while tax depends on taxable commercial activity after exclusions and the permitted subtraction. Track gross receipts and taxable activity separately.
Estimate Your Combined Bill
Oregon LLC Tax Estimator
Default single-member illustration. Excludes PTE-E, CAT computation, local taxes, credits and complete return adjustments; displayed total is selected taxes only.
The 9.9% Top Rate — Reached Quickly
Oregon's income tax brackets for 2026 (single filers): 4.75% on the first $4,350, 6.75% from $4,350–$10,900, 8.75% from $10,900–$125,000, and 9.9% above $125,000 (married filing jointly thresholds roughly double). Because the 8.75% bracket begins at just $10,900, most working Oregon adults are already taxed at that rate on the bulk of their income, and profitable LLC owners typically reach the 9.9% top bracket faster than they would in most other high-tax states — California's top rate, for comparison, only applies above roughly $698K, and Hawaii's only above roughly $200K.
The Corporate Activity Tax (CAT)
Register for Oregon CAT within 30 days of reaching $750,000 in Oregon commercial activity. Registration is separate from filing and payment: commercial activity over $1 million triggers the return requirement, while tax depends on taxable commercial activity after exclusions and the permitted subtraction. Track gross receipts and taxable activity separately. Review current CAT instructions for exclusions, subtraction and estimated-payment requirements.
The Kicker Law — A Uniquely Oregon Feature
Oregon has a distinctive budget mechanism called the "kicker." When actual state revenue exceeds official projections by more than 2%, the entire surplus is returned to taxpayers as a credit on the following year's tax return, rather than being retained by the state. This doesn't change your annual tax planning in a predictable way — it depends on state revenue performance — but it's a genuinely unique feature of Oregon's tax system worth knowing about.
The S-Corp Question (~$60–80K Profit)
Oregon’s annual PTE-E election is available to eligible partnerships and S corporations whose owners meet the individual/qualifying pass-through ownership rules. Disregarded single-member LLCs and sole proprietors are ineligible. The rate is 9% on the first $250,000 of distributive proceeds and 9.9% above that amount. The program covers tax years beginning before January 1, 2028. Elect on a timely Form OR-21; registration or payment alone is not an election. Current DOR guidance makes both first- and second-quarter 2026 estimated payments due June 15. Owners review their related credit and adjustments separately.
Your Oregon Tax Calendar
| Date | What's Due |
|---|---|
| Apr 15 / Jun 15 / Sep 15 / Jan 15 | Quarterly estimated taxes — federal and Oregon, on pass-through profit |
| Your exact anniversary date | Annual report to the Secretary of State ($100) |
| Mar 15 | Form 1065 (multi-member LLCs) + K-1s |
| Apr 15 | Form 1040 + Oregon Form OR-40 |
| Quarterly (if applicable) | Corporate Activity Tax estimated payments, if liability exceeds $5,000 |
Ahmad Adil's Take: Oregon's tax reputation as a "no sales tax state" is accurate but incomplete, and I want every founder here to see the full picture before they form. The 9.9% top income tax rate, reached at a genuinely modest $125,000, is the number that actually determines your real tax bill as a profitable LLC owner — and it will very likely outweigh whatever you'd have saved on sales tax elsewhere. That's not a reason to avoid Oregon if you're actually building your life and business here — it's a reason to plan with real numbers rather than the "no sales tax" headline alone. The Corporate Activity Tax is the other one to watch as you scale: it doesn't touch most new LLCs, but $1M in Oregon commercial activity arrives faster than founders expect once a business is genuinely growing.
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Annual PTE-E election and 2026 estimated payments
Oregon’s annual PTE-E election is available to eligible partnerships and S corporations whose owners meet the individual/qualifying pass-through ownership rules. Disregarded single-member LLCs and sole proprietors are ineligible. The rate is 9% on the first $250,000 of distributive proceeds and 9.9% above that amount. The program covers tax years beginning before January 1, 2028. Elect on a timely Form OR-21; registration or payment alone is not an election. Current DOR guidance makes both first- and second-quarter 2026 estimated payments due June 15. Owners review their related credit and adjustments separately.
Oregon LLC — FAQ
Ahmad Adil is the founder and CEO of LLC School. For filing and ongoing compliance, confirm the requirements with the responsible state agency. This is educational information, not legal or tax advice.
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