When Your Child With a Disability Turns 18 in Texas

The Texas Estates Code defines an adult as an individual 18 years of age or older, and it draws no exception for disability. On that birthday, a parent in Austin or anywhere else in Texas stops being the automatic legal decision maker for a son or daughter. Medical providers, banks, benefits offices, and colleges may begin dealing with the new adult directly, and a parent who calls to ask a routine question can be turned away.

Guardianship is not the default answer under Texas law. A court must weigh the guardianship alternatives for a Texas adult child before it may appoint anyone at all. Under Texas Estates Code § 1101.101(a)(1)(D) and (E), a court must find by clear and convincing evidence that alternatives to guardianship, and the supports and services available to the proposed ward, were considered and determined not to be feasible before it appoints a guardian. The alternative most families are never told about is the supported decision-making agreement, created by Chapter 1357 of the Texas Estates Code.

What Changes When a Child Turns 18 in Texas

Legal adulthood arrives on schedule. It does not wait for a diagnosis, a transition meeting, or a family’s readiness, and Chapter 1357 uses the same definition the rest of the Estates Code uses, an individual 18 years of age or older, along with a minor whose disabilities of minority have been removed.

What ends is the parent’s automatic authority, not the parent’s role. Many young adults with disabilities can make their own decisions once someone helps them understand the options in front of them. Chapter 1357 was written for that situation rather than for incapacity, and it describes supported decision-making as a less restrictive alternative to guardianship for adults with disabilities who need assistance with daily living decisions but are not incapacitated persons for guardianship purposes.

What a Supported Decision-Making Agreement Does

Supported decision-making is a process of supporting and accommodating an adult with a disability so the adult can make life decisions, including decisions about where to live, what services and medical care to receive, whom to live with, and where to work, without impeding the adult’s self-determination. The agreement is the written form that arrangement takes, and § 1357.056(a) of the Estates Code supplies a statutory form, so a family does not have to invent one.

A supporter is an adult who has entered into a supported decision-making agreement with an adult with a disability. Under § 1357.051, a supporter may:

  • Assist the adult in understanding the options, responsibilities, and consequences of a decision
  • Assist in accessing and obtaining relevant records, including medical, psychological, financial, educational, and treatment records
  • Assist the adult in understanding the information those records contain
  • Assist in communicating the decision the adult has made

What a supporter does not do is decide. The adult keeps the decision, and § 1357.052(b) places fiduciary duties on the supporter, which is a real check on the arrangement rather than a formality. That combination is what lets an agreement satisfy a bank or a clinic without stripping the young adult of the right to choose.

Families often ask whether the agreement alone is enough. That depends on the young adult’s actual decision-making capacity, the benefits at stake, and the assets involved, which is the kind of assessment Texas special needs planning work is built around. McCulloch & Miller, PLLC helps families in Austin and across Texas sort out which combination fits before the birthday arrives.

Guardianship Alternatives a Texas Court Must Rule Out First

The requirement appears twice in Chapter 1101 of the Texas Estates Code. Section 1101.001(b)(3-a) and (3-b) require the application itself to state whether alternatives to guardianship and available supports and services were considered, and whether any of those considered are feasible and would avoid the need for a guardianship. The court then makes its own finding under § 1101.101(a)(1)(D) and (E), by clear and convincing evidence.

Clear and convincing evidence is a demanding standard, and here it attaches to a negative. Someone has to show the court that the less restrictive options were genuinely considered and determined not to be feasible, rather than that guardianship would be simpler for the family. Travis County has two statutory probate courts, Probate Courts Nos. 1 and 2, and the record in either one has to carry that finding.

A parent who arrives at the courthouse with no answer on this point may find the application slowed down at the front end. Working through the alternatives first tends to produce a better plan and a shorter hearing, whichever way the case comes out.

Other Less Restrictive Tools Texas Families Use

Families commonly combine several arrangements rather than choosing one and stopping. Powers of attorney, health care directives, representative payee arrangements through the Social Security Administration, and trusts each cover a different piece of a young adult’s life, and a supported decision-making agreement sits comfortably alongside all of them.

A special needs trust can hold funds for a disabled adult without disturbing means-tested benefits, which is why public benefits planning and decision-making authority are usually worked out in the same sitting. Texas elder law practice covers much of the same statutory ground, since the tools that protect an aging parent’s eligibility are frequently the tools that protect an adult child’s. McCulloch & Miller, PLLC has handled special needs and public benefits planning for Texas families for more than 35 years, and Thomas W. McCulloch is a member of the National Academy of Elder Law Attorneys.

Questions Texas Parents Ask About Turning 18

Does a Disability Change When a Child Becomes an Adult in Texas?

No. The Texas Estates Code defines an adult as an individual 18 years of age or older, or a minor whose disabilities of minority have been removed. A disability does not postpone that date, and nothing has to be filed for it to happen.

What Are the Guardianship Alternatives for a Texas Adult Child?

A Chapter 1357 supported decision-making agreement is the alternative Texas wrote into the Estates Code by name. Families also use powers of attorney, health care directives, representative payee arrangements, and trusts. Section 1101.001(b)(3-a) and (3-b) require a guardianship application to state which alternatives were considered and whether they are feasible.

Can a Supporter Make Decisions for the Adult?

No. Section 1357.051 limits a supporter to helping the adult understand options and consequences, obtain and understand records, and communicate a decision the adult has made. The adult keeps the decision, and § 1357.052(b) places fiduciary duties on the supporter.

Plan the Transition Before Your Child Turns 18

McCulloch & Miller, PLLC helps families in Austin and across Texas put supported decision-making agreements, trusts, and benefits planning in place before an 18th birthday forces the question. Flat fees are available for much of this work, so the cost is known before it starts. Parents who want to review the options can contact the firm at (713) 333-8900 or through the contact page for McCulloch & Miller.

Contact Information