Guardianship Petition Washington Cost — Alternatives Under RCW 11.130

What Guardianship Actually Costs

A full guardianship proceeding in Washington can involve thousands of dollars in legal and court-related fees, depending on complexity. The petition is filed with the court, which appoints a court visitor to investigate. Annual reporting to the court creates ongoing costs even after the guardianship is established.

Beyond the financial cost, a guardianship or conservatorship order can transfer specified decision-making authority to a guardian or financial authority to a conservator. A limited order can preserve rights not covered by the order; the court order determines the scope.

Why Washington Law Pushes Alternatives First

Under the Uniform Guardianship, Conservatorship, and Other Protective Arrangements Act (RCW 11.130), Washington courts must consider less restrictive alternatives before granting any guardianship petition. The court visitor is required to investigate whether a Supported Decision-Making agreement, power of attorney, or other arrangement could meet the individual's needs without removing their rights.

This isn't a suggestion — it's a statutory requirement. A judge can deny a guardianship petition if the evidence shows that less restrictive options would be sufficient, even if the family wants full guardianship.

Supported Decision-Making Agreements

An SDM agreement lets a young adult with a disability choose trusted supporters (typically parents) to help them gather information, understand options, and communicate decisions. The individual retains full legal authority — the supporters advise but cannot override.

Setting up an SDM agreement requires:

• The principal (the adult with a disability) voluntarily executing a written agreement
• Designating specific supporters and defining the scope of support
• Signatures from the principal and supporters, witnessed by two people or a notary

Third parties — doctors, landlords, banks — are legally protected from liability when they rely on a valid SDM agreement. Washington LawHelp provides free information and forms; attorney review adds a separate fee.

Powers of Attorney

If the young adult has the cognitive capacity to understand delegation of authority, a Durable Power of Attorney provides stronger legal tools than an SDM agreement. A DPOA can authorize an agent to:

• Make financial decisions (a Durable Financial Power of Attorney)
• Make healthcare decisions (a Healthcare Power of Attorney)
• Access educational records and communicate with schools

"Durable" means the authority survives if the principal later becomes incapacitated. Without the durable designation, the power of attorney would terminate exactly when you need it most.

Attorney preparation or review adds a separate fee; Washington LawHelp provides free information and forms.

Representative Payee for SSI

For managing federal benefits specifically, the Social Security Administration appoints a Representative Payee — someone authorized to receive and manage SSI or SSDI payments on behalf of a beneficiary. This is not a court order and doesn't require an attorney. The parent (or another responsible party) files Form SSA-11-BK directly with SSA.

A Representative Payee handles the beneficiary's monthly check, pays for food and shelter, and accounts for spending through annual reports to SSA. For families whose primary concern is financial management of disability benefits, this often eliminates the need for a conservatorship.

When Guardianship Is Necessary

Guardianship may be necessary when an individual truly cannot express preferences or make informed choices even with support. Situations include:

• The individual cannot understand the concept of delegating authority (ruling out a DPOA)
• The individual is at risk of exploitation that SDM supporters cannot prevent
• Medical providers or institutions refuse to honor SDM agreements despite legal protections

If guardianship is necessary, Washington law allows limited guardianship — the court can grant authority over specific domains (finances, medical decisions) while preserving the individual's rights in others. Full guardianship, covering all decisions, should be the last resort.

The Washington SSI at 18 & Adult Disability Benefits Guide includes templates for Supported Decision-Making agreements and Durable Powers of Attorney under RCW 11.130, helping families establish decision-making support without court involvement.

See more Washington guides →