An inheritance often reflects a family member’s hard work and careful planning. When a marriage ends, many people fear losing those assets. That fear is valid. Washington law gives inherited property a specific legal status. But that status is not guaranteed. It depends on how those assets are managed during the marriage.
Does Washington treat inheritance as separate property?
Washington law treats inherited assets as separate property, not community property. In practice, that classification can meaningfully affect how a court approaches division. Courts in Washington, however, hold wide authority over how property is divided. RCW 26.09.080 authorizes courts to divide any property, including inherited assets, when a just and equitable outcome requires it. Separate property is not excluded from that authority. Holding an inheritance clearly apart from marital funds offers the strongest available protection. Courts are not barred from dividing separate property if the circumstances call for it.
What actions cause inherited assets to lose protection?
Commingling is the most common threat. It happens when separate funds are mixed with marital assets. Even small or casual transactions can create this problem. Depositing an inheritance into a joint account is one example. Paying a shared mortgage with those funds is another. Adding a spouse’s name to an inherited property title can turn it into community property. Courts may treat such funds as a gift to the marriage.
How to maintain separate property status
Individuals who want to protect an inheritance should take consistent, well-documented steps throughout the marriage. The following practices reduce the risk of commingling and help maintain separate property status:
- Keep inherited assets in accounts held solely in the owner’s name
- Maintain detailed records showing the source of funds and how they were used
- Retain bank statements and estate documents that help demonstrate separate ownership
- Avoid using inherited funds for joint purchases or shared expenses
- Document every transaction involving inherited assets
- Consider a postnuptial agreement confirming the separate nature of the inheritance
Consistent boundaries and thorough recordkeeping over the course of the marriage give a person the strongest foundation for preserving separate property status if a divorce occurs.
Planning ahead to protect inherited assets
Washington law treats property based on the facts of each case. Account titles, how the couple spends money and the records they keep can affect how a court handles inherited assets in a divorce. A family law attorney can review these assets and spot choices that may put them at risk. A review now can help prevent costly disputes later.

