Most people in Washington think about estate planning once, work through the process, and consider it finished. Documents are signed. Files are put away. Life moves on. The problem is that life keeps moving, but the estate plan stays where it was left.
An estate plan is not a record of your intentions at a single point in time. It is a legal framework built on specific facts: the value of your assets, the laws in effect, the people you trusted, and the structure of your family. All of those facts change. When they do, a plan that once reflected exactly what you wanted can start working against it.
Washington Has Its Own Estate Tax, and It Changes
One of the most important things Washington residents need to understand is that this state imposes its own separate estate tax, entirely independent of the federal system. The federal estate tax exemption is currently $15 million per person. Washington’s exemption is $3 million. That gap matters enormously.
A family with a home in the South Sound, a business interest, retirement accounts, and a few investment accounts can find themselves above that threshold without feeling particularly wealthy. And unlike the federal exemption, Washington’s is not portable between spouses. If the first spouse to die does not have a plan in place that preserves both exemptions, that second $3 million exemption can simply disappear.
Washington’s estate tax has also been in motion. The exemption rose from $2.193 million to $3 million in July 2025. Tax rates went up significantly at the same time, hitting a top marginal rate of 35%. Then, in early 2026, the legislature reversed course, rolling back the top rate to 20% and effectively freezing the exemption at $3 million going forward. Plans drafted with specific exemption amounts or tax-sensitive trust formulas may no longer function as intended. If your documents reference specific dollar thresholds or contain formula clauses tied to exemption amounts, those provisions deserve a close look.
Washington Is a Community Property State, Which Complicates the Picture
Washington is one of nine community property states. Generally speaking, assets acquired during a marriage belong equally to both spouses. Assets either spouse owned before marriage, or received individually as a gift or inheritance during the marriage, remain that person’s separate property. In practice, those lines blur quickly. Inherited funds deposited into a joint account, separate property reinvested alongside marital assets, a business started before marriage and grown during it: these situations create real classification questions that carry meaningful legal and tax consequences.
Community property receives a full step-up in tax basis at the death of either spouse, which can significantly reduce capital gains taxes for the surviving spouse. Separate property does not receive that same treatment. Whether your assets are correctly characterized, and whether your plan accounts for that characterization, is the kind of detail that gets overlooked for years until it becomes expensive to untangle.
If you have moved to Washington from another state, or moved away from Washington while holding property here, your plan should be reviewed with that transition in mind. Property brought into the state carries its original character, and the rules governing what happens to it on death may not match what your documents assume.
A Business Sale Changes Everything Quickly
For Washington business owners, a liquidity event can transform an estate plan that was working well into one that is dangerously out of date, often within a matter of months.
Consider a business owner who built a company in Olympia over twenty years. When the estate plan was drafted, the business was worth $2 million and total assets were around $4 million. The plan focused on business succession and avoiding probate. No estate tax planning was needed at the time, because the estate fit comfortably within the Washington exemption.
After a sale, net proceeds bring the estate to $9 million. Suddenly the owner is facing both Washington estate tax and potential federal exposure. The trust, designed for a much smaller estate, has no provisions for credit shelter planning, charitable vehicles, or asset protection for heirs. The accounts have not been reviewed for proper titling. The beneficiary designations on the retirement accounts still name the same people they named a decade ago.
Pre-sale planning is where the most effective work happens. Once a transaction closes, some of the most valuable planning opportunities are no longer available. Coordinating with an estate planning attorney before the deal closes, not after, can allow for more tax-efficient structuring and better outcomes for the people the plan is meant to protect.
The People You Named May No Longer Be the Right People
Estate plans appoint people to make decisions and carry out responsibilities: a successor trustee to administer your trust, a personal representative to handle your estate, an agent under your durable power of attorney, and if you have minor children, a guardian. Those appointments reflect who was in your life and who you trusted at the time the documents were signed.
A decade or two later, those individuals may have moved across the country, developed health challenges, experienced financial difficulties, or drifted from your family. In some cases, they have passed away. If the plan has not been updated, the people named may no longer be positioned to serve well, or able to serve at all.
Washington does not require a trustee or personal representative to be a Washington resident, but geography and practical capacity still matter when someone needs to step in on your behalf. Fiduciary appointments are not a set-it-and-forget-it decision. They reflect a level of trust and competence that should be confirmed periodically against current reality.
Asset Titling and Beneficiary Designations Do the Work When It Counts
The most carefully drafted trust in Washington is only as effective as the assets that are actually in it. A trust controls only what is titled in its name or directed to it through a valid beneficiary designation. An investment account left in your individual name, a piece of real estate never deeded to the trust, or a bank account without a proper payable-on-death designation will pass outside the trust entirely, likely through probate.
Beneficiary designations on retirement accounts, IRAs, and life insurance operate by contract. They override whatever your trust or will says. A designation naming a former spouse, a deceased parent, or an individual who was never part of your current plan can direct significant assets in a direction you never intended, and there is nothing the trust can do about it once you are gone.
These misalignments rarely happen all at once. They accumulate. Each time you open a new account, purchase property, roll over a retirement plan, or go through a major life event, there is an opportunity for something to fall out of step with the rest of the plan. A periodic review of how your assets are held and who is named on each account is not administrative housekeeping. It is the difference between a plan that works and one that does not.
The Real Cost of Leaving It Alone
The families who face the most difficult estate administrations are often not the ones who did no planning. They are the ones who did thoughtful planning years ago and then stopped paying attention. An unfunded trust, a stale beneficiary designation, an outdated fiduciary appointment, and a tax exemption that no longer reflects the plan’s assumptions can each cause problems. Together, they can cause the very outcomes the plan was designed to prevent: probate proceedings, family conflict, unnecessary tax exposure, and assets passing to the wrong people.
Washington’s legal environment adds layers that many other states do not have: a standalone estate tax with a relatively low threshold, community property rules that require careful asset characterization, and a legislative track record of changing the rules with some frequency. Plans drafted even three or four years ago may rest on assumptions that are no longer accurate.
The right time to review your estate plan is not when a crisis occurs. It is before one does.
Christopher T.L. Brown is the founder of NorthStar Law Group, P.S., a business and estate planning firm with offices in Olympia and Seattle, Washington. This article is for general informational purposes and does not constitute legal advice. For guidance specific to your situation, contact NorthStar Law Group at (360) 292-4556 or schedule an appointment here.
