Filing your Oregon return, in plain English: rates, credits, the kicker, and how to pay

You are looking at a stack of W‑2s and 1099s and wondering what Oregon actually taxes, what the “kicker” does to your refund, and whether you need to sprint to a post office by midnight. For the 2025 tax year, Oregon personal returns are due on April 15, 2026. If you request a federal extension, Oregon grants the same filing extension to October 15, 2026, but any Oregon tax still has to be paid by April 15. Oregon uses your federal adjusted gross income as the starting point, then applies Oregon additions, subtractions, deductions, rates, and credits to get your Oregon tax. This guide walks through what that looks like for an Oregon filer, step by step, with the exact lines, rates, addresses, and hours you will actually use.

What exactly does Oregon tax, and at what rates for 2025?

Oregon begins with your federal adjusted gross income (AGI), then adds or subtracts items Oregon treats differently. After that, you claim either Oregon itemized deductions or Oregon’s standard deduction. For the 2025 return, the Oregon standard deduction is $2,835 for single filers, $4,560 for head of household, and $5,670 for married filing jointly or qualifying surviving spouse. If you or your spouse is 65 or older or blind, you add $1,200 per qualifying box if single or head of household, or $1,000 per qualifying box for all other filing statuses. Dependents who can be claimed on someone else’s return use a separate worksheet that caps their standard deduction based on earned income plus $450, with a minimum of $1,350.

Oregon also allows a subtraction for part of your federal tax liability. For 2025, the federal tax subtraction limit shown in the full‑year instructions is $8,500 (or $4,250 if married filing separately). The amount you actually get can be less than the limit, because it is the lesser of your federal tax and that cap after other required calculations. The instructions spell out the exact line references you will follow when you complete your Form OR‑40.

Once you have Oregon taxable income, you apply Oregon’s rate structure. For 2025, the tax tables apply up to $50,000 of taxable income. Above that, 2025 rate charts use 8.75% on income over $50,000 and up to the top bracket, and 9.9% above the top-bracket threshold. Concretely, for single or married filing separately filers, the chart says “$4,065 plus 8.75% of the excess over $50,000” up to $125,000, then “$10,627 plus 9.9% of the excess over $125,000.” For married filing jointly, head of household, or qualifying surviving spouse, the chart says “$3,756 plus 8.75% of the excess over $50,000” up to $250,000, then “$21,256 plus 9.9% of the excess over $250,000.” These exact figures come directly from the 2025 Form OR‑40 instructions, where you will also find the dollar-by-dollar tax tables below $50,000.

Oregon does not have a federal-style personal exemption deduction. Instead, it uses a personal exemption credit that directly reduces your Oregon tax. For 2025, the worksheet multiplies your number of qualifying regular and special exemptions by $256 per exemption, but only if your federal AGI is at or below $200,000 for joint, surviving spouse, or head of household returns, or at or below $100,000 for single and married filing separately. Above those AGI thresholds, the exemption credit is $0. The Exemption Credit appears on line 25 of Form OR‑40 and it is nonrefundable.

Oregon mirrors the federal Earned Income Tax Credit with its own earned income credit and publishes the percentage right in the 2025 guide. If at least one qualifying dependent was younger than age 3 at the end of the year, the Oregon earned income credit is 12% of your federal EITC; otherwise it is 9% of your federal EITC. Filers using ITINs who cannot claim the federal EITC may still qualify for a state EIC calculated with Schedule OR‑EIC‑ITIN, as described in the Oregon Individual Income Tax Guide (Publication OR‑17).

For low and moderate incomes with young dependents, 2025 introduced the Oregon Kids Credit. The credit is refundable and, at the full level, is $1,050 per dependent child age 5 or younger (up to five dependents). The 2025 OR‑40 instructions lay out a phase‑out formula; for example, a full credit is available when your qualifying income in the worksheet is $26,550 or less. The worksheet in the instructions shows the line‑by‑line math to compute this credit and any reduction.

When is my 2025 Oregon return due, and what happens if I miss it?

The 2025 Oregon personal return is due April 15, 2026. If you requested a federal extension, Oregon automatically follows it. You mark the “Extension filed” box and file your Oregon return by October 15, 2026. A filing extension does not extend time to pay. To avoid a late‑payment penalty, any 2025 Oregon tax must be paid by April 15, 2026.

Penalties and interest are set out in the instructions and on the Department’s penalties page. If any Oregon tax remains unpaid after the original due date, a 5% late‑payment penalty applies even if you requested an extension to file. If you file more than three months after the due date (including extensions), a 20% late‑filing penalty is added. If both apply, the combined penalty is 25% of the unpaid tax. There is also a special nonfiling penalty equal to 100% of each applicable year’s unpaid tax if you fail to file for three consecutive years by the third year’s due date. The annual interest rate used in return calculations is 9% for interest periods in 2025 and 8% for interest periods beginning on or after January 1, 2026; the instructions show where those rates are applied to underpayments and certain federal‑parallel interest items.

Mailing addresses differ depending on whether your return shows a refund or tax to pay, and the 2025 Form OR‑40 instructions print the exact boxes to use. “REFUND” and “no tax due” returns go to PO Box 14700, Salem, OR 97309‑0930. Returns with “tax to pay” go to Oregon Department of Revenue, PO Box 14555, Salem, OR 97309‑0940. If you are making a separate check or money order payment without the return itself, you use Form OR‑40‑V and follow its payment‑voucher instructions. Paper returns should be mailed in a business‑size 4 × 9½ inch or larger envelope with adequate postage as the instructions specify; the Department warns that smaller envelopes delay processing.

If you are self‑employed in parts of the Portland metro or Lane County, Oregon also administers two local self‑employment transit taxes. The TriMet Self‑Employment Tax return is filed on Form OR‑TM and the Lane Transit District Self‑Employment Tax uses a separate form. The Department’s tax calendar states the April 15, 2026 due date for 2025 transit self‑employment returns, the same day as your personal return. The OR‑TM instructions list a specific mailing address for TriMet self‑employment returns and payments: TMSE, Oregon Department of Revenue, PO Box 14555, Salem, OR 97309‑0940.

Before you call for help, note the Department’s statewide phone hours. As posted on the “Do I need to file?” page, the main lines at 503‑378‑4988 and 800‑356‑4222 are open 7:30 a.m. to 5 p.m. Monday through Friday, and are closed from 9 to 11 a.m. every Thursday. If you need to pay in cash, the Department’s headquarters accepts cash in person only at 955 Center St NE, Salem, OR 97301‑2555.

How does the Oregon “kicker” work on the 2025 return?

Oregon’s surplus refund, commonly called the kicker, is a state‑law credit when actual General Fund revenues exceed the forecast by more than two percent. The 2025 Form OR‑40 instructions say the 2025 kicker equals 9.863% of your 2024 total Oregon personal income tax liability after subtracting only the special credit for income taxes you paid to another state on mutually taxed income. That 2024 tax liability appears on line 24 of your 2024 Form OR‑40 if you filed as a full‑year resident, or on parallel lines if you filed OR‑40‑P or OR‑40‑N; the instructions include a table showing exactly where to find it.

To be eligible, the 2025 OR‑40 instructions list three criteria. You must have: filed a 2024 Oregon return, had an Oregon personal income tax liability for 2024, and filed a 2025 return. For a simple case with no status changes, the instructions say you just multiply your 2024 total Oregon personal income tax liability by 0.09863 and round to the nearest dollar. When marital or filing status changed between 2024 and 2025, the instructions include a prorating worksheet that allocates the kicker based on each person’s share of Oregon AGI for 2024. Those worksheets appear immediately after the kicker section and include the exact line math and examples.

You claim the kicker on your 2025 return on line 32. The same section of the OR‑40 instructions explains how to donate the credit to the State School Fund instead of claiming it. The election is made by entering 0 on line 32, checking box 55a, and entering your full kicker amount on line 55b. The instructions emphasize that this school‑fund donation election is irrevocable after the due date of the original return and that partial donations cannot be made on the return itself; if you want to donate part of your kicker, you must first claim it on line 32, receive it, and then make a separate charitable contribution.

Refund timing is also addressed by the Department’s public updates. As of the 2026 filing season, the Department says direct‑deposit refunds for properly e‑filed returns typically arrive within about two weeks after refunds begin issuing in mid‑February. Paper returns begin processing later in the season, and paper refund issuance typically trails e‑filed returns. The Department’s “Where’s My Refund?” page asks filers to wait two weeks after filing before checking status. Those timelines are not guarantees and do not change audit or identity‑verification timelines, but they are the Department’s own published averages for ordinary processing.

Which way should I file and pay in Oregon?

Oregon supports three practical filing approaches. The state’s interview‑based service, Direct File Oregon, lets most full‑year residents file for $0 through Revenue Online, and it also supports filing certain amended returns electronically. Commercial e‑file software can transmit both your federal and Oregon return in one go, but software fees vary by provider. Paper filing by mail with a stamped envelope is still accepted, and the instructions include the exact PO boxes for “refund/no‑tax‑due” and for “tax‑to‑pay” returns.

For payments, Oregon posts clear method‑by‑method rules. Electronic bank transfer through Revenue Online is coordinated through your own financial institution. The Department notes your bank may charge a fee, but the Department itself does not add an Oregon “convenience fee” for an ordinary bank transfer. Credit and debit card payments are accepted through a third‑party processor and involve a nonrefundable convenience fee collected by the processor. Credit or debit card payments generally post in 2–3 business days according to the Revenue Online Help page. Cash is accepted only at the Salem headquarters at 955 Center St NE. Check and money order are accepted by mail; if you mail a separate check without the return, use Form OR‑40‑V and follow that voucher’s address and line‑item instructions to prevent misposting.

Walkthrough: from federal return to Oregon lines

1) Start with your federal AGI and Oregon additions/subtractions

Oregon’s Form OR‑40 instructions list every addition and subtraction with the matching Oregon schedule and line. For example, Social Security benefits that are excluded federally continue to be excluded on Oregon as a subtraction only in specific circumstances detailed in Publication OR‑17. Attach the Oregon add‑backs and subtractions on Schedule OR‑ASC or OR‑ASC‑NP as instructed. The instructions also show a running total that becomes your Oregon AGI on the Oregon return.

2) Itemized versus standard deduction

You then compare your Oregon itemized deduction amount to Oregon’s standard deduction amounts: $2,835 single, $4,560 head of household, $5,670 married filing jointly or qualifying surviving spouse. If you are 65 or older or blind, you add $1,200 per box (single or HOH) or $1,000 per box (other statuses). Be aware of two common Oregon differences from federal rules printed in the instructions: non‑U.S. citizens without permanent resident status have a $0 standard deduction for Oregon, and if one spouse itemizes on a married filing separately return, the other spouse’s Oregon standard deduction is $0 even if the standard deduction would otherwise be higher.

3) Apply the 2025 rate tables or rate charts

If your Oregon taxable income on line 19 is less than $50,000, the dollar‑indexed 2025 tax tables in the instructions give the exact tax. If it is $50,000 or more, the 2025 rate charts apply. For singles and married filing separately, the instruction chart says $4,065 plus 8.75% of the excess over $50,000 up to the $125,000 notch, then a base of $10,627 plus 9.9% of the excess over $125,000. For joint, head of household, or qualifying surviving spouse, it is $3,756 plus 8.75% of the excess over $50,000 up to $250,000, then a base of $21,256 plus 9.9% of the excess over $250,000. The chart examples in the instructions even show the arithmetic for a $75,500 joint filer.

4) Take credits in the order shown on the form

Standard nonrefundable credits, carryforward credits, and refundable credits each have their own sections. The 2025 instructions place the Exemption Credit on line 25 and give a worksheet with a $256 per‑exemption multiplier subject to the $100,000/$200,000 AGI thresholds. The 2025 Oregon earned income credit uses the table printed in the instructions: 9% of federal EITC, or 12% if your youngest qualifying dependent was under age 3. The Oregon Kids Credit appears later with its own worksheet, with the full credit of $1,050 per qualifying young child up to five dependents and an income phase‑out that begins at a worksheet amount of $26,550. These credits can be refundable or nonrefundable depending on their design; the instructions tell you where each one sits in the computation.

5) Use the kicker and finishing lines

If you are eligible for the 2025 kicker, you enter it on line 32 as a payment‑type credit. If you donate it to the State School Fund instead, you put 0 on line 32 and complete lines 55a and 55b to make the irrevocable election. The final pages of the instructions include refund and payment options, including the line to apply part of a refund to 2026 estimated Oregon tax.

“Where do I go or call?” Practical logistics inside Oregon

For in‑person service or cash payments, the Department’s headquarters is at 955 Center St NE, Salem, OR 97301‑2555. Cash is only accepted at that building. Many services are faster online, but when you need a person by phone the posted hours are 7:30 a.m. to 5 p.m. Monday through Friday, with lines closed 9 a.m. to 11 a.m. each Thursday. The main numbers are 503‑378‑4988 and 800‑356‑4222. The Department asks filers who mailed a paper return to allow for a later start to paper refund processing each season compared with e‑file, and also asks all filers to wait two weeks after filing before checking the “Where’s My Refund?” status tool. If you set up a bank transfer in Revenue Online, keep the confirmation number the site gives you; the 2025 instructions explicitly tell you not to mail the confirmation with your return, but to retain it for your records.

Key things to know before you file

• Your 2025 Oregon return is due April 15, 2026. A federal extension extends Oregon filing to October 15, 2026, but tax still has to be paid by April 15 to avoid a 5% late‑payment penalty.
• The 2025 Oregon standard deduction is $2,835 single, $4,560 head of household, and $5,670 joint or qualifying surviving spouse, with an additional $1,200 or $1,000 per qualifying age‑65/blind box depending on filing status.
• Rate charts for 2025 above $50,000 of taxable income use 8.75% on the next layer then 9.9% above $125,000 (single/MFS) or above $250,000 (joint/HOH/QSS). The OR‑40 instructions print both formulas verbatim.
• The 2025 Exemption Credit worksheet multiplies qualifying exemptions by $256 but is $0 if federal AGI is above $100,000 (single/MFS) or $200,000 (others). The 2025 federal tax subtraction limit is $8,500 ($4,250 MFS).
• The 2025 Oregon earned income credit equals 9% of your federal EITC, or 12% if your youngest qualifying dependent was under age 3. The Oregon Kids Credit is up to $1,050 per eligible child age 5 or younger with a worksheet phase‑out beginning at $26,550.
• The 2025 kicker on line 32 equals 9.863% of your 2024 total Oregon personal income tax liability after the specific subtraction described in the instructions. To donate it instead, enter 0 on line 32 and complete 55a/55b.
• Refunds for properly e‑filed returns with direct deposit typically show up within about two weeks once refunds begin issuing mid‑February; paper refunds start later each season. The “Where’s My Refund?” tool asks you to wait two weeks before checking.
• Phone support is 7:30 a.m.–5 p.m. Mon–Fri statewide at 503‑378‑4988 or 800‑356‑4222. Lines are closed 9–11 a.m. Thursdays. Cash is accepted only at 955 Center St NE, Salem.

Reader Q&A

Is Oregon’s 2025 return due the same day as my federal one?

Yes. The published due date for the 2025 Oregon personal return is April 15, 2026. If you obtain a federal extension, Oregon follows it to October 15, 2026 for filing, but any Oregon tax is still due April 15 to avoid the 5% late‑payment penalty and daily interest.

Where do I put the 2025 kicker on my Oregon return?

The kicker is entered as a payment‑type credit on line 32 of Form OR‑40. For 2025, it equals 9.863% of your 2024 total Oregon personal income tax liability. If you donate your kicker to the State School Fund on the return, you enter 0 on line 32 and then complete 55a and 55b to make that irrevocable election.

What are the 2025 Oregon standard deduction and exemption credit amounts?

For 2025, the standard deduction is $2,835 single, $4,560 head of household, and $5,670 joint or qualifying surviving spouse. The personal exemption credit worksheet multiplies your qualifying exemptions by $256, but the credit is $0 if your federal AGI is over $100,000 (single/MFS) or over $200,000 (other filing statuses).

How fast are Oregon refunds, and where do I check mine?

The Department says direct deposit refunds for accepted e‑filed returns typically arrive in about two weeks once seasonal refund issuance starts in mid‑February. Paper returns start later, and paper refunds take longer. The Department asks filers to wait two weeks after filing before using the “Where’s My Refund?” tool.

To narrow your next step, decide two simple things. First, which filing channel you will use based on cost and speed — if you want to avoid postage and speed up your refund, e‑file with direct deposit. Second, choose a payment method that matches your timeline and fees — bank transfer through Revenue Online does not add a Department convenience fee, while card payments do and cash is only accepted at 955 Center St NE in Salem.

Published: September 29, 2026 · Reviewed by the State Of Oregon editorial team