Oregon has a few financial rules that catch people off guard during a divorce. It's an equitable distribution state — meaning courts divide marital property in a way they consider fair, not automatically down the middle. But Oregon also presumes both spouses contributed equally to marital property, regardless of who earned the income or whose name is on the title. Spousal support comes in three distinct types rather than one general category. And like most states, fault has no bearing on how property is divided or support is awarded.

This page covers how Oregon generally handles property division, spousal support, child support, and retirement accounts. The links throughout lead to deeper guides on each topic.

What this page covers:
  • Property division — equitable distribution and the equal contribution presumption
  • Spousal support — Oregon's three types and how courts choose between them
  • Child support — the Income Shares Model and 2026 guideline updates
  • Retirement accounts, QDROs, and Oregon PERS
  • A free calculator to estimate your numbers

Property Division: Equitable Distribution With a Twist

Oregon divides marital property under ORS § 107.105(1)(f), which directs courts to divide property in whatever way is "just and proper in all the circumstances." Equitable distribution means courts aim for a fair division — not necessarily an equal one. A 55/45 or 60/40 outcome is possible when the facts support it.

What sets Oregon apart from many other equitable distribution states is a rebuttable presumption that both spouses contributed equally to property acquired during the marriage — regardless of who earned the income or whose name appears on the title. This presumption recognizes non-financial contributions, like homemaking and raising children, as equal in value to a paycheck. A spouse who disagrees with an equal split can rebut the presumption, but the starting point favors treating both spouses' contributions as equivalent.

Marital property generally includes real estate, bank accounts, investment accounts, retirement savings, vehicles, and business interests acquired during the marriage. Separate property — assets owned before the marriage, inheritances, and gifts received individually — is typically treated differently, though commingling separate funds with marital assets can blur that line over time.

Courts weigh several factors in reaching a just and proper division, including each spouse's contributions to the marriage, the duration of the marriage, each spouse's economic circumstances and earning capacity at the time of the divorce, and the tax consequences and reasonable costs of any proposed division of assets.

Fault plays no role. Oregon law specifically prohibits courts from considering marital misconduct when dividing property or awarding spousal support. Courts focus on financial and practical factors — not who caused the marriage to end.
Hypothetical Example — Property Division

Suppose a couple has $420,000 in total marital assets: a home with $180,000 in equity, a retirement account with $150,000, and $90,000 in joint savings. Starting from the equal contribution presumption, a judge might consider each spouse receiving around $210,000. But if one spouse gave up a career to raise children while the other built substantial earning capacity, or if one spouse will have significantly lower future income, the court might shift the split to account for that gap — perhaps 55/45 or a different mix of which assets go to which spouse. This is illustrative only; actual outcomes depend on the specific facts of the marriage.

For a deeper look at how property division generally works and what happens to the family home, see What is Equitable Distribution? and What Happens to the House in a Divorce?

Spousal Support: Three Types, No Fixed Formula

Oregon uses the term "spousal support" and, under ORS § 107.105(1)(d), recognizes three distinct types rather than one general alimony category. Courts must designate which type applies and explain their reasoning in writing.

Transitional support helps a spouse get the education, training, or job skills needed to reenter the workforce or advance in a career. It's typically awarded for a defined period — commonly ranging from several months up to a few years, depending on how much training is needed.

Compensatory support reimburses a spouse who made a significant financial or other contribution to the other spouse's education, training, or career advancement — for example, working to put a spouse through medical school or professional licensing.

Spousal maintenance is ongoing support for either a specified period or an indefinite one. This type is most often considered in longer marriages where one spouse's standard of living and financial stability depend heavily on continued support.

There is no formula for calculating amount or duration. Courts weigh factors including the length of the marriage, each spouse's age and health, the standard of living established during the marriage, each spouse's earning capacity, training, and work experience, and the financial needs and resources of each spouse. The most significant question for duration is generally whether the spouse seeking support can become self-supporting at an income level reasonably close to the marital standard of living.

Support Type Purpose Typical Duration
Transitional Education or training to reenter the workforce Several months to a few years
Compensatory Reimburses contributions to a spouse's career or education Varies by the contribution made
Maintenance Ongoing support tied to standard of living Specified period, or extended for longer marriages
Hypothetical Example — Spousal Support

Suppose a couple was married for 22 years. One spouse worked outside the home the entire marriage, earning $8,500 per month, while the other spouse worked part-time and managed the household, earning $1,500 per month. Given the length of the marriage and the disparity in earning capacity, a court might consider an award of spousal maintenance rather than transitional support — potentially for an extended period, since the lower-earning spouse's opportunity to close the income gap is limited at this stage. Courts have discretion here; two similar cases can produce different outcomes.

For a detailed breakdown of each support type, the statutory factors, and how duration is typically approached, see How is Alimony Calculated in Oregon?

Child Support: Income Shares Model, Updated for 2026

Oregon calculates child support using the Income Shares Model under ORS 25.275, with the detailed calculation rules found in the Oregon Department of Justice child support guideline rules (OAR 137-050). Both parents' incomes are combined and matched to a state schedule to determine the basic child support obligation, which is then divided proportionally based on each parent's share of the combined income.

Updated guidelines took effect January 1, 2026. The current rules cap combined parental income at $30,000 per month and set a monthly self-support reserve of $1,465 to make sure the paying parent retains enough for basic living expenses. The minimum child support obligation is $100 per month per child.

Parenting time affects the final number. Oregon applies a parenting time credit once a parent has at least 92 overnights per year — roughly 25% of the year. That threshold is lower than in many other income shares states, meaning more parents with regular but not equal parenting time may qualify for a credit that reduces the standard obligation.

Hypothetical Example — Child Support Estimate

Suppose Parent A earns $5,000 per month and Parent B earns $2,500 per month, for combined income of $7,500. For one child, the basic obligation from the state schedule at that income level might land around $1,000 per month. Parent A's share would be roughly 67% ($670/month) and Parent B's share roughly 33% ($330/month). If Parent A has at least 92 overnights per year with the child, the parenting time credit would reduce that obligation further. Health insurance and childcare costs are typically added and split proportionally on top of the base amount. These figures are illustrative only.

For a general walkthrough of how income shares child support works and what typically counts toward each parent's income, see How is Child Support Calculated? or use the calculator below to estimate your own numbers.

Retirement Accounts: QDROs and Oregon PERS

Retirement accounts accumulated during the marriage are generally treated as marital property in Oregon and subject to equitable distribution. The portion earned before the marriage is typically treated as separate property. Courts commonly use a coverture fraction — the months of marriage that overlap with the retirement plan divided by the total months in the plan — to identify the marital share of an account.

Dividing a 401(k), 403(b), or private pension typically requires a Qualified Domestic Relations Order (QDRO) — a court order directing the plan administrator to split the account. A properly executed QDRO allows the transfer to happen without triggering early withdrawal penalties or taxes at the time of the split. Without one, accessing retirement funds early may result in significant tax consequences.

Public employees covered by the Oregon Public Employees Retirement System (PERS) — including many teachers, state workers, and municipal employees — typically go through a different division process than private-sector retirement plans. PERS has its own procedures for splitting benefits between former spouses, and the process can differ meaningfully from a standard QDRO. Working with an attorney or plan specialist familiar with PERS is generally recommended when a PERS account is part of the marital estate.

Military and federal retirement: Federal Thrift Savings Plan (TSP) accounts use a "Retirement Benefits Court Order" rather than a standard QDRO. Military pensions are divided under the Uniformed Services Former Spouses' Protection Act (USFSPA), which has its own set of rules separate from private retirement accounts.

For more on how retirement accounts are typically divided, see What is a QDRO? and What Happens to My 401k in a Divorce?

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D
Darryl
Founder, Know Your Half

Darryl has been navigating his own divorce in the Bay Area for over a year and a half. He built Know Your Half because he needed plain English financial answers and couldn't find them. All content on this site is researched against primary sources and reviewed for accuracy before publication.