Estate Planning for a Child with a Disability

What Happened

A June 2026 post from Letsch Law Firm in Iowa outlines the core estate planning steps parents of children with disabilities face. The piece addresses a milestone that many families overlook until it arrives: a disabled child's 18th birthday. At that point, the child's legal rights attach automatically, and parents lose the informal authority they exercised during childhood.

The article explains that parents who wish to continue making medical and personal decisions for an adult child with a disability must petition a court for guardianship and conservatorship. That petition process carries its own timeline. The firm recommends starting the petition the month before the child turns 18, giving families enough runway to secure a court order before the birthday arrives. The guardian handles daily welfare — shelter, food, medical care, education — while a conservator manages income and assets. One person can fill both roles, or different people can divide the responsibilities.

The article then turns to longer-term planning. It flags a pattern the firm sees frequently: aging parents who assume a sibling or relative will step in when the time comes, without any formal plan in place. The recommended solution is a Special Needs Trust funded by a life insurance policy on the parent's life. This structure keeps assets outside the reach of government benefit programs and lets the parent set the terms for how remaining funds are distributed after the child's death.

What It Means

For families raising a child with a disability, the stakes in estate planning are higher than in a typical plan. A standard inheritance — a direct bequest under a last will and testament or a straightforward trust distribution — can disqualify a beneficiary from Supplemental Security Income, Medicaid, and other means-tested programs. These programs use strict asset and income thresholds. A lump-sum inheritance that pushes a beneficiary over those thresholds can interrupt benefits that took years to establish. A properly drafted Special Needs Trust holds assets for the beneficiary's supplemental care without counting toward those program limits.

The guardianship and conservatorship process described in the article adds a layer of complexity that most estate plans do not require. Courts do not automatically grant parents ongoing authority over a disabled adult child. The initial petition, the care plan, and the annual reports the article describes represent a recurring legal obligation — not a one-time filing. Parents who have not started this process before their child's 18th birthday may face a gap in their legal authority to make medical decisions. That gap can create real problems in a health emergency. Families navigating this process often benefit from connecting with guardianship attorneys who handle these petitions regularly.

The life insurance funding strategy the article recommends addresses a practical problem: most parents of children with disabilities do not accumulate large liquid assets during their caregiving years. A life insurance policy on the parent's life, with the Special Needs Trust named as beneficiary, creates a funding event at the parent's death. The trust receives the proceeds, the trustee steps in, and the child's benefits remain intact. The trust document itself carries the instructions — who serves as trustee, how an advisory committee informs the trustee about the child's needs, and who receives any remaining assets after the child's death. This structure removes the reliance on informal family arrangements that the article identifies as wishful thinking. Families who want to understand how these assets interact with federal estate tax thresholds can use the estate and inheritance tax calculator to estimate their exposure. The federal estate tax exemption currently stands at $15,000,00026 USC 2001(c), 2010; P.L. 119-21 §70106Verified Jul 13, 2026View source per individual, meaning most families funding a Special Needs Trust through life insurance will not face federal estate tax liability, but state-level taxes vary.

Context from SimplyTrust

Estate planning for a child with a disability involves several moving parts: guardianship documents, trust structure, beneficiary designations, and life insurance coordination. SimplyTrust's revocable trust platform includes a built-in supplemental needs provision that authorizes the successor trustee to establish a supplemental needs arrangement for any beneficiary receiving government benefits. This provision activates automatically when relevant, without requiring a separate document. Families who want to understand the full trust structure before committing can review the Trust FAQs for a plain-language breakdown of how trusts work and what they cover.

For parents who have not yet started an estate plan, or who created one before their child's disability diagnosis, the process of reviewing and updating existing documents is straightforward. SimplyTrust allows unlimited amendments after signing, so a plan created today can evolve as the child's needs, government benefit rules, and family circumstances change. Parents who want to understand the full scope of what an estate plan covers — including guardianship nominations, trustee selection, and distribution schedules — can explore the estate planning overview as a starting point. Families with more complex needs, including those requiring court-supervised guardianship or conservatorship, benefit from working alongside special needs planning attorneys who can coordinate the legal filings with the trust structure.

Source: Estate Planning 101: Planning for a Child with a Disability