A mental health conservatorship is a court order that gives one person (the conservator) legal authority over another person who has a psychiatric condition so severe they cannot meet their own basic needs. Unlike a standard conservatorship, which typically helps older adults or people with cognitive impairments manage finances, a mental health conservatorship can compel someone into psychiatric treatment even if they refuse it. There are an estimated 1.3 million active adult guardianship or conservatorship cases in the United States, with courts overseeing at least $50 billion in assets, and those numbers are expected to climb.
How It Differs From a Standard Conservatorship
States use different terminology, but the distinction is clearest in California, where the two types are formally separated. A probate conservatorship covers people who cannot handle their finances or daily care for reasons other than mental illness, most often dementia or serious cognitive impairment. A mental health conservatorship, known in California as a Lanterman-Petris-Short (LPS) conservatorship, is reserved specifically for people with severe psychiatric disorders.
The critical difference is authority over treatment. A probate conservator handles money and living arrangements. A mental health conservator can do all of that plus consent to psychiatric treatment the person does not want, approve the use of mind-altering medications over the person’s objection, and authorize placement in a locked psychiatric facility if a psychiatrist recommends it. This level of control over another adult is why courts treat mental health conservatorships with extra scrutiny.
What “Gravely Disabled” Means
To qualify someone for a mental health conservatorship, the court must find them “gravely disabled.” This is a specific legal term, not just a medical opinion. It means a person has a psychiatric disorder so severe that it prevents them from providing for their most basic needs: food, clothing, and shelter. Someone can be found gravely disabled even if another person is willing to help them, as long as the court determines the individual is unable or unwilling to benefit from that help.
For minors, the standard shifts slightly. Since children are not expected to provide for themselves, a minor qualifies as gravely disabled if their mental disorder makes them unable to use the essentials of life (food, clothing, shelter) even when those are provided by others.
California’s Expanded Definition
California updated its conservatorship law for the first time in over 50 years when Senate Bill 43 was signed in 2023. The old definition of grave disability covered only people with a mental health disorder who could not provide food, clothing, or shelter. The new law, taking effect in January 2026 across the state, adds three significant expansions. First, a severe substance use disorder alone can now be a basis for conservatorship. Second, the inability to provide for personal safety qualifies, not just food, clothing, and shelter. Third, the inability to obtain necessary medical care also counts. A referral from a psychiatrist or psychologist is still required before any conservatorship petition can move forward, and counties must consider less restrictive alternatives during their investigation.
How the Process Works
A mental health conservatorship does not happen quickly or casually. It follows a multi-step legal process designed to protect the rights of the person being evaluated.
The process begins when an interested party files a petition with the court. In mental health cases, this is often initiated by a treatment facility or a county’s public conservator office after someone has been on an involuntary psychiatric hold and continues to meet the criteria for grave disability. Once the petition is filed, the court appoints professionals to investigate. These typically include a guardian ad litem (a person who represents the proposed conservatee’s interests), a qualified health care professional who evaluates their condition, and a court visitor who meets with them and reports back to the judge.
A formal court hearing follows. The person facing conservatorship is required to attend. The judge reviews all professional reports, hears testimony, and considers the evidence before making a decision. No conservator can be appointed without this hearing.
What a Mental Health Conservator Controls
Once appointed, a mental health conservator gains broad authority over the conservatee’s life. They can consent to psychiatric treatment the conservatee does not agree to. They can approve mind-altering medications, though the conservatee retains the right to physically refuse to take them. The conservator can authorize placement in a locked facility if a psychiatrist recommends it and the facility agrees to accept the person. Outside of a psychiatric facility, the conservator decides where the person lives. They also manage finances: paying bills, collecting income, and handling day-to-day money decisions.
This is an extraordinary amount of power over another adult, which is why mental health conservatorships come with built-in time limits and legal protections that standard conservatorships often lack.
Duration and Renewal
A mental health conservatorship is not permanent in the way most people use that word. In California, an LPS conservatorship automatically expires after one year. It can also end sooner if a treating doctor or the court determines the person no longer meets the criteria for grave disability.
If the conservatee still meets the legal standard after a year and no less restrictive alternatives exist, the conservator can petition the court for renewal. This means a new hearing, a fresh review of evidence, and a judge’s approval. The renewal process repeats annually for as long as the conservatorship continues. This yearly check is a safeguard that distinguishes mental health conservatorships from probate conservatorships, which can remain in place indefinitely without the same regular judicial review.
Rights the Conservatee Keeps
Being placed under a mental health conservatorship strips away significant freedoms, but it does not eliminate all of them. The conservatee retains constitutional protections throughout the process. They have the right to legal counsel, the right to a court hearing before any conservatorship is established or renewed, and in many jurisdictions, the right to request a jury trial to contest the conservatorship. They can also physically refuse medication, even if the conservator has legally consented to it, though this distinction plays out differently in practice depending on the treatment setting.
The conservatee or their attorney can challenge the conservatorship at any point by asking the court to review whether the criteria for grave disability are still met. These protections exist because involuntary psychiatric treatment raises some of the most serious civil liberties questions in American law.
How This Varies by State
The details above draw heavily from California’s system because it has the most developed and widely referenced framework for mental health conservatorships. Other states use different terminology and structures. Many states fold mental health authority into broader guardianship laws rather than creating a separate conservatorship type. The core concept is consistent across jurisdictions: a court must find that a person’s mental condition makes them unable to care for themselves, and a judge must approve any restriction of their autonomy. But the specific criteria, timelines, renewal requirements, and conservator powers vary significantly from state to state. If you are navigating this process, the rules that matter are the ones in your specific state’s courts.