# Oregon Tax — 30 Days or Fewer

Tax residency rule, United States. Page: https://usecountr.com/trackers/tax-us-or-safe-harbor/

## Summary

If Oregon is your permanent home in law, Oregon normally taxes you as a resident wherever you are. There is one way out. Oregon treats you as a nonresident for a tax year if you keep no permanent place of abode in Oregon, you keep a permanent place of abode somewhere else, and you spend no more than 30 days of the year in Oregon. All three must be true. On day 31 the rule is lost for the whole year. The Oregon Department of Revenue decides.

- Limit: 30 days. Day 31 is the first day over the limit
- Period: The tax year, for most people 1 January to 31 December
- A day counts when: Safest reading: you are in Oregon for any part of the day
- Other conditions: No permanent home in Oregon, and a permanent home elsewhere
- Law: Oregon Revised Statutes, ORS 316.027(1)(a)(A)
- Run by: Oregon Department of Revenue

## Who it applies to

- People from Oregon who work in another state or abroad for a long time and still plan to come back one day.
- People who sold or gave up their Oregon home, live somewhere else now, but have not clearly made a new permanent home in law.
- Travelling workers and contractors whose legal home is still Oregon.
- People who visit family in Oregon each year and need to keep those visits short.

## The rule

Oregon's first test of residence is domicile. Domicile is the one place that is your true, fixed, permanent home, the place you intend to return to. Under Oregon Administrative Rule 150-316-0025 you keep your Oregon domicile until you show three things: you intend to give it up, you intend to take a new one, and you actually live in the new place. Many people who leave Oregon for work stay domiciled in Oregon for years.

ORS 316.027(1)(a)(A) says that a person domiciled in Oregon is a resident unless the person (i) maintains no permanent place of abode in Oregon, (ii) does maintain a permanent place of abode elsewhere, and (iii) spends in the aggregate not more than 30 days in the taxable year in Oregon. The Department of Revenue calls a person who meets all three a special-case Oregon resident. This person is taxed as a nonresident: Oregon taxes only income from Oregon sources, and the return is Form OR-40-N.

A permanent place of abode is a dwelling you keep on a lasting basis, owned or rented. The administrative rule gives examples that show how strict the three conditions are. A long-distance lorry driver who is domiciled in Oregon, lives in the lorry and is in Oregon fewer than 31 days is still taxed as a resident, because he has no permanent place of abode anywhere else. A retired person who sold the Oregon home and travels the country with no fixed home is also still a resident. A person who sold the Oregon home, rents a fixed place in another state for most of the year and is in Oregon fewer than 31 days is a nonresident.

Oregon has a sister rule for people whose permanent home is in another state, tracked in Countr as Oregon Tax Residence. It uses a limit of 200 days and a home in Oregon.

Why it exists: Domicile can follow a person for many years after the person has left. Without this rule, Oregon would tax the worldwide income of people who have no home in the state, live somewhere else and almost never visit. The 30-day rule gives these people a clear test. The three conditions keep the rule narrow, so that people who still have a real base in Oregon cannot use it.

## Counting the days

You count the days of the tax year on which you were in Oregon. The statute adds all visits together. The total must be 30 or fewer.

1. Take the tax year. For most people this is 1 January to 31 December.
2. List every visit to Oregon in that year, with the arrival date and the departure date.
3. Count each calendar day of each visit, including the arrival day and the departure day.
4. Add the visits together. A total of 30 or fewer keeps the day condition. A total of 31 loses it for the whole year.
5. Check the two home conditions for the whole year: no permanent place of abode in Oregon at any time, and a permanent place of abode kept outside Oregon.
6. Keep records of travel and of your home outside Oregon, such as a lease, in case the Department asks.

How Countr counts it: Countr counts every calendar day on which your phone records you in Oregon, from 1 January to 31 December, and compares the total with 30. It starts to warn you 5 days before the limit. Countr counts any part of a day as a full day. The statute states the part-day rule only for the 200-day test, and it does not say how to count part days for the 30-day test, so Countr takes the careful reading. Countr cannot tell a day when you only passed through from a day when you stayed, so it counts both and may warn early, never late. Countr also cannot see your homes. The two home conditions are for you to check.

## Examples

### Two short visits home

Maya grew up in Eugene and her domicile is still Oregon. She ended her Oregon lease in 2024 and rents a flat in Phoenix all year, where she works as a nurse. In 2026 she visits her parents in Oregon from 4 to 15 July, 12 days, and from 23 to 31 December, 9 days. Her total is 21 days. She has no permanent place of abode in Oregon, she keeps one in Arizona, and she is under 30 days, so Oregon treats her as a nonresident for 2026.

### The empty flat in Bend

Tom is domiciled in Oregon and works in Texas, where he rents a flat. He keeps his own flat in Bend empty and ready for his return. In 2026 he is in Oregon for only 8 days. The day count is fine, but he still maintains a permanent place of abode in Oregon. One of the three conditions fails, so Oregon taxes him as a full resident on all his income.

### One day too many

Priya is domiciled in Oregon, has no home there and rents a house in Colorado. In 2026 she visits Oregon from 3 to 18 August, 16 days, and from 18 to 31 December, 14 days. That is exactly 30 days, which is allowed. If she had also driven to Portland for one day in October, the total would be 31 days, and she would be an Oregon resident for all of 2026.

## Exceptions

- A person domiciled in Oregon who is a 'qualified individual' under section 911(d)(1) of the Internal Revenue Code, the federal rule for Americans who live and work abroad, is not an Oregon resident for that year. This is a separate way out and has no 30-day limit in the Oregon statute.
- The spouse of such a qualified individual is also not a resident if the spouse's main home for the year is outside Oregon.
- A member of the Armed Forces on active service whose residence in the military payroll records is outside Oregon is not an Oregon resident. Under the administrative rule, a service member who lives outside Oregon is treated as having a permanent place of abode elsewhere.
- If you really change your domicile to another state, this rule is no longer needed. From that date you are a part-year resident or a nonresident under the normal rules.
- The rule changes how Oregon taxes you, not what it can tax. Income from Oregon sources, such as rent from Oregon property or wages for work done in Oregon, stays taxable.

## Common misconceptions

- "I moved out of Oregon, so I am not a resident any more." Moving is not enough. You stay domiciled in Oregon until you intend to give it up, intend to make a new permanent home, and actually live there. Until then you are a resident unless you meet all three conditions of the 30-day rule.
- "Thirty days or fewer in Oregon is enough to be a nonresident." The day count is only one of three conditions. You must also have no permanent place of abode in Oregon and keep one somewhere else. A person with no fixed home anywhere fails the test.
- "I can keep my Oregon house if I do not use it." The statute asks whether you maintain a permanent place of abode in Oregon, not whether you sleep there. A home that you keep ready for your own use breaks the rule even with zero visits.
- "The 30 days are per visit." The statute says 'in the aggregate'. All visits in the tax year are added together.

## Questions and answers

### What happens if I spend 31 days in Oregon?

You lose the rule for the whole tax year. As a person domiciled in Oregon you are then a full-year resident, and Oregon taxes your income from all sources for that year, not only from day 31.

### Does a short stop at Portland airport count as a day?

The statute does not answer this for the 30-day test. Its part-day rule is written for the 200-day test. The careful reading is to count any day on which you were in Oregon, and Countr counts it that way.

### Does staying with my parents in Oregon mean I have a home there?

Short visits as a guest are not the same as maintaining your own dwelling. The question is whether you keep a dwelling in Oregon for your own use on a lasting basis. The Department looks at the facts, for example whether you keep a room and belongings there all year.

### Which Oregon tax form does a special-case Oregon resident file?

The Department of Revenue says a special-case Oregon resident is treated as a nonresident and uses Form OR-40-N. Only income from Oregon sources is taxed.

### Do the 30 days need to be counted in a calendar year?

They are counted in your tax year. For nearly all individuals the tax year is the calendar year, 1 January to 31 December. The count starts again from zero each year.

### Is a rented room abroad a permanent place of abode elsewhere?

It can be. The administrative rule counts rented housing when you keep it long enough to have a settled connection with the place. A hotel room for a few weeks or a home kept only for a short stay for one purpose is not permanent.

## Sources

- [Oregon Revised Statutes, chapter 316, ORS 316.027 (definition of resident)](https://www.oregonlegislature.gov/bills_laws/ors/ors316.html)
- [Oregon Administrative Rule 150-316-0025, Definition: Resident (text of the rule)](https://www.law.cornell.edu/regulations/oregon/Or-Admin-Code-SS-150-316-0025)
- [Oregon Department of Revenue, What form do I use? (special-case Oregon resident)](https://www.oregon.gov/dor/programs/individuals/Pages/What-Form.aspx)

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Countr is an app for iPhone that counts your days in every country for visa, tax and residency rules, from the photos on your phone and your location. It explains rules and counts days. It does not give legal or tax advice. https://apps.apple.com/app/country-days-tracker-countr/id6810720800