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When a Parent With Dementia Refuses Help: Power of Attorney, Capacity and Guardianship in Washington

Washington law gives families several tools between “do nothing” and “go to court” — and the one that works best is almost always the one signed before a crisis, not after it.

HomeBlogWhen a Parent With Dementia Refuses Help: Power

By Patricia Nguyen, CDP · August 13, 2026

“I’m fine” is rarely stubbornness

The call we take most often at this time of year is not about cost or availability. It is a daughter in Shoreline or a son in Puyallup describing a parent who will not accept a caregiver, will not stop driving and will not discuss moving — and who becomes angry when the subject comes up. Families read this as pure stubbornness. It usually is not.

In mid-stage dementia, the part of the brain that tracks one’s own deficits is often affected too. The clinical term is anosognosia, and it is not denial in the ordinary sense: your mother genuinely does not perceive that anything has changed. Arguing the point harder produces conflict without producing agreement, which is why the practical question shifts from “how do I convince her?” to “what legal authority already exists, and what does Washington require before anyone can act without her consent?”

Capacity is task-specific, not a diagnosis

A dementia diagnosis does not by itself mean a person lacks legal capacity. Washington evaluates decision-making ability against a specific decision at a specific time. Someone may still be able to sign a valid power of attorney — understanding who they are appointing and what authority they are handing over — while no longer being able to manage a checkbook or judge whether the stove is off.

That distinction matters enormously for timing. The window in which a parent can still execute their own documents often stays open well past the point families assume it has closed. If your parent has an early or moderate diagnosis, an appointment with an elder law attorney in the next few weeks is worth more than months of persuasion. If capacity is genuinely gone, the paperwork route closes and the court route opens — slower, public and far more expensive.

The documents that keep families out of a courtroom

Washington’s Uniform Power of Attorney Act, chapter 11.125 RCW, governs financial and general powers of attorney. To be valid, the document must be signed and either acknowledged before a notary or signed by two competent witnesses who are not the agent, not the principal’s home care providers and not related to the agent. Make it durable, meaning it survives incapacity; a power of attorney that goes silent exactly when it is needed is a common and painful drafting mistake.

Pair it with a health care power of attorney and a health care directive (Washington’s living will). For a parent with advanced illness, ask the primary care provider or hospital team about a POLST form, which converts treatment wishes into portable medical orders that Seattle Fire, Bellevue medics and every emergency department in the state will follow. Keep the original POLST on the refrigerator, not in a safe deposit box.

Give real copies to the agent, the primary care clinic and any prospective adult family home or assisted living community. Facilities in King, Snohomish and Pierce counties routinely ask for these at move-in, and a scanned copy in a shared folder saves days during a hospital discharge.

If there is no power of attorney

For medical decisions only, Washington provides a default surrogate hierarchy under RCW 7.70.065: a court-appointed guardian, then a health care agent, then the spouse or state registered domestic partner, then adult children, then parents, then adult siblings, followed by other adult relatives and, in limited circumstances, a close friend. The friction point is the adult-children tier, where the statute expects agreement among them. Two siblings who disagree can stall a discharge for days.

That hierarchy does nothing for money. No one can sell a house, redirect a pension or complete an Apple Health application on a parent’s behalf without either a power of attorney or a court order. When that is the gap, families end up in superior court in the county of residence under chapter 11.130 RCW, Washington’s guardianship and conservatorship act, which took effect in 2021.

That law was written to make full guardianship a last resort. The court appoints a visitor to meet the person, the respondent has the right to a lawyer — appointed if they cannot afford one — and judges are directed to consider less restrictive options first: a limited guardianship covering only certain decisions, a one-time protective arrangement instead of an ongoing guardianship, or a supported decision-making agreement in which the person keeps authority and formally names people to help them understand choices. Expect several months and attorney fees running into the thousands, which is precisely why the signed-in-advance route is worth pushing for.

Where Puget Sound families get help

Start with the Area Agency on Aging for your county: Aging and Disability Services for King County, Homage for Snohomish County, and Aging & Disability Resources of Pierce County. Their family caregiver support programs can arrange a consultation and, in many cases, respite hours so you are not making legal decisions on four hours of sleep.

For legal help at no cost, Washington residents 60 and older can call the Northwest Justice Project’s CLEAR*Sr line at 1-888-387-7111 for advice on powers of attorney, guardianship alternatives and long-term care rights. If you are weighing paid care while the paperwork is pending, plan around current Puget Sound ranges: roughly $4,500–$7,000 a month for an adult family home, $6,000–$8,000 for assisted living and $7,500–$9,500 for memory care, with Eastside communities clustering at the top of each band.

Talk to a free Puget Sound advisor →

Common questions

Can my mother still sign a power of attorney after a dementia diagnosis?
Often, yes. Washington assesses capacity against the specific decision being made, not against a diagnosis. If she can understand who she is appointing and what authority that person will have, she may still be able to execute a valid durable power of attorney under chapter 11.125 RCW. An elder law attorney can evaluate this and document the assessment, which also helps if the document is challenged later. Because the window narrows over time, do not wait for the next crisis.
My father refuses care and there is no power of attorney. Do I have to file for guardianship?
Not necessarily, and it should not be the first move. Chapter 11.130 RCW directs Washington courts toward the least restrictive option, including limited guardianship, a single protective arrangement or a supported decision-making agreement. For medical decisions alone, the surrogate hierarchy in RCW 7.70.065 may already give you standing. Guardianship becomes the realistic answer mainly when finances or housing must be managed and no valid document exists.
How long does guardianship take in King or Pierce County superior court?
Plan on several months from petition to appointment in a contested or complex case, and expect attorney fees in the thousands. The process includes a court visitor's investigation, notice to the person and to relatives, appointed counsel for the respondent if needed, and a hearing. Emergency petitions exist for immediate danger, but they grant narrow, time-limited authority rather than a lasting solution.

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