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Community Property Agreements vs. Trusts in Washington: Which One Should You Choose?

Mar 2, 2026 | Trusts

A community property agreement and a revocable living trust both allow Washington couples to transfer assets outside of probate. But they serve very different purposes and offer different levels of control over how property is distributed after death.

Key Takeaways:

  • A community property agreement (CPA) in Washington converts all assets to community property and passes everything directly to the surviving spouse, bypassing probate.
  • A revocable living trust offers more flexibility, allowing couples to control how and when assets are distributed to a surviving spouse, children, or other beneficiaries.
  • Choosing between a CPA and a trust depends on your family structure, the complexity of your assets, and whether you need protections beyond a simple spouse-to-spouse transfer.

Washington is one of only nine community property states in the country. That means most income earned and assets acquired during a marriage belong equally to both spouses, regardless of whose name is on the account or the title. Separate property, such as assets owned before the marriage or received as a gift or inheritance, stays with the individual spouse unless it gets commingled with community assets.

This framework shapes how estates are planned in Washington. Two of the most common tools couples use to manage what happens to their property after one spouse passes are community property agreements and revocable living trusts. They share a common goal of avoiding probate, but the similarities largely stop there.

What Is a Community Property Agreement?

A community property agreement, or CPA, is a written contract between spouses authorized under RCW 26.16.120. It does two things:

  • It converts all property owned by either spouse, including separate property, into community property.
  • It directs that upon the death of the first spouse, all community property passes automatically to the surviving spouse without going through probate.

The appeal of a CPA is its simplicity. It’s a single document, it’s relatively inexpensive to create, and it accomplishes the immediate goal of keeping everything with the surviving spouse while avoiding the time and cost of Washington’s probate process.

For married couples with straightforward finances and no children from prior relationships, a CPA can be a practical, efficient planning tool. But that simplicity comes with limitations that are worth understanding before you sign one.

Where Community Property Agreements Fall Short

A CPA is essentially an all-or-nothing arrangement. Once one spouse dies, every asset in the estate transfers to the surviving spouse. There is no mechanism within a CPA to direct specific assets to specific people, set conditions on inheritance, or stagger distributions over time.

Here’s where that becomes a problem:

  • If you have children from a previous relationship, a CPA gives everything to your surviving spouse with no guarantee that your children will eventually inherit anything. Your spouse could remarry, change their own estate plan, or simply spend down the assets.
  • If both spouses pass in a common event (such as a car accident), a CPA does not address what happens next. There is no built-in plan for who receives the assets after the surviving spouse, because the agreement only governs the transfer between spouses.
  • A CPA offers no incapacity planning. If one spouse becomes unable to manage finances or make medical decisions, the CPA does nothing to address that situation. You would still need a durable power of attorney and a healthcare directive.
  • A CPA converts all separate property into community property. That means an inheritance you received from your parents, a business you started before the marriage, or a family cabin that’s been in your name for decades all become shared marital property the moment the agreement takes effect.

For couples whose lives and finances are more complex than a simple spouse-to-spouse transfer, these gaps can create serious unintended consequences.

What a Revocable Living Trust Offers

A revocable living trust is a legal entity you create during your lifetime to hold and manage your assets. You maintain full control as the trustee while you’re alive and competent. When you pass away (or become incapacitated), a successor trustee you’ve chosen steps in to manage and distribute those assets according to the terms you set.

The key advantage of a trust is control. You decide who gets what, when they get it, and under what conditions. That level of specificity matters in a number of real-life situations.

Consider a couple in their 50s. Both have children from prior marriages and own a home together in Kent. With a CPA, the surviving spouse would receive everything, and the deceased spouse’s children would have no legal claim to any of it. With a trust, that same couple could structure things differently. For example, the trust could allow the surviving spouse to live in the home for as long as they need, while ensuring the deceased spouse’s share of the home’s equity eventually passes to their children. Both sides are protected, and neither is left out.

Trusts also address incapacity. If you become unable to manage your affairs due to illness or injury, your successor trustee can step in immediately, without court involvement, to pay bills, manage investments, and handle day-to-day financial decisions. A CPA provides no comparable protection.

Comparing CPAs and Trusts Side by Side

To make the distinction clearer, here’s how the two tools compare across the factors that matter most:

  • Probate avoidance: Both a CPA and a trust allow assets to transfer outside of Washington’s probate process.
  • Control over distribution: A CPA passes everything to the surviving spouse with no conditions. A trust allows you to direct assets to multiple beneficiaries with specific terms and timelines.
  • Blended family protection: A CPA offers none. A trust can protect the interests of children from prior relationships while still providing for a surviving spouse.
  • Incapacity planning: A CPA does not address incapacity. A trust includes built-in provisions for a successor trustee to manage assets if you become unable to do so.
  • Separate property: A CPA converts all separate property to community property. A trust allows you to keep separate property separate while still including it in your overall estate plan.
  • Cost and complexity: A CPA is simpler and less expensive to create. A trust requires more upfront planning and typically involves transferring asset titles into the trust, but it provides significantly more flexibility and protection.

When a CPA Makes Sense

A community property agreement is not a bad tool. For married couples in Washington who have been together for a long time, share all of their assets, have no children from other relationships, and simply want everything to go to the surviving spouse without probate, a CPA does exactly what it needs to do.

It’s also worth noting that a CPA and a trust are not mutually exclusive. Some Washington couples use a CPA alongside a trust, using the agreement to consolidate property ownership and the trust to govern how assets are ultimately distributed. The right combination depends on your specific family and financial picture.

When a Trust Is the Best Choice

A revocable living trust tends to be the better fit when any of the following apply:

  • You or your spouse have children from a prior relationship
  • You own real property in more than one state (a trust can avoid probate in every state where you hold property, while a CPA only applies in Washington)
  • You want to set conditions on when and how beneficiaries receive their inheritance
  • You have a family member with special needs who requires a protected inheritance
  • You want seamless incapacity planning built into the same document that governs your estate
  • You own a business or have complex investment holdings

In these situations, the flexibility of a trust provides protections that a CPA simply cannot match.

Talk to an Attorney Who Understands Washington Estate Planning

Choosing between a community property agreement and a trust is one of the most consequential decisions Washington couples make when planning their estates. The right answer depends on your family, your assets, and your long-term goals.

At View Ridge Law, our estate planning attorneys sit down with every client to understand the full picture before recommending a strategy. We take a collaborative, team-based approach, bringing over 150 years of combined legal experience to every plan we build. Whether a CPA, a trust, or a combination of both makes sense for your situation, we walk you through the options in plain language so you can make an informed decision. Contact our team today to schedule a consultation.

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