Missouri Guardianship Requirements: Who Can Be a Guardian of a Minor

Before you invest weeks gathering forms and paying filing fees, you need to know whether you meet the basic requirements to serve as a guardian in Missouri. The short answer is that Missouri law does not set many rigid prerequisites — but the court will evaluate you closely.

Basic Eligibility

Missouri does not require a guardian to be a biological relative of the child. Under RSMo § 475.045, a suitable, willing person may be appointed after the statute's priority appointments. Those priorities are a parent; a person nominated by a minor over 14 who has no qualified parent living; and, when both parents are dead, a person named in the last surviving parent's will who has not been adjudged unfit or incompetent. If none of those appointments applies, the court appoints the most suitable willing person whose appointment serves the child's best interests and a stable, permanent placement.

RSMo § 475.055 allows an adult person to be appointed and does not list a minimum income or homeownership requirement. A parent may not be denied appointment as guardian of their own child because the parent is a minor. The court must still find the proposed guardian qualified to perform the duties.

Background Screening

Under RSMo § 475.050, most proposed guardians must submit statewide background-screening reports and file them at least ten days before the appointment hearing. The statute exempts public administrators and certain close relatives; nationally accredited guardians may file proof of certification in place of the reports, and emergency temporary guardianships have a separate exception. The court may waive or modify the deadline for good cause shown by an affidavit filed with the petition or if the protected person requests an expedited hearing. Separately, RSMo § 43.548 permits circuit courts to require fingerprint-based criminal-history checks, which are sent to the Missouri State Highway Patrol and the FBI. State law does not require FCSR screening of every petitioner and all adult household members. For example, St. Louis County's minor-guardianship packet requires FCSR screening for each petitioner and all adult household members. Check your circuit's packet and any court order for additional screening requirements.

What Disqualifies You

RSMo § 475.055 disqualifies a person who is incapacitated or disabled, a habitual drunkard, and a person whose letters of guardianship or conservatorship were revoked within the prior two years. A person generally must be an adult, with an exception for a parent appointed guardian of their own child. Missouri law does not give a statewide list of criminal offenses that automatically disqualify an applicant. Applicants covered by § 475.050 must submit its background screening; check the applicable local rules for any additional checks and be prepared to explain any findings.

What the Judge Evaluates at the Hearing

Beyond background clearances, the judge assesses:

• Stability — do you have stable housing and the ability to provide for the child's daily needs?
• Relationship — what is your existing relationship with the child? How long have you been involved in their life?
• Willingness — are you genuinely willing and able to take on the responsibilities of guardianship, including any reporting required by the court and potential court appearances?
• Parental status — have you demonstrated that the parents are unfit, unwilling, or unable to care for the child? This is the key legal threshold.
• Child's nomination — if the minor is over 14 and has no qualified parent living, the minor may nominate a guardian, unless the court finds that appointment contrary to the minor's best interests

The Step-by-Step Process

Once you confirm you meet the requirements:

1. Determine your county and circuit — file in the Probate Division of the Circuit Court where the child is domiciled
2. Check screening requirements early — if § 475.050 screening applies, file the reports at least ten days before the appointment hearing, subject to that section's good-cause or expedited-hearing exceptions; check your circuit's packet for additional checks
3. Prepare your petition — include the information required by RSMo § 475.060 and any local forms
4. File and serve notice — parents generally receive notice unless they signed the petition or waived notice. RSMo §§ 475.070 and 472.100 let the court direct personal service, mail, or publication; local rules state what showing is required for publication
5. Attend the hearing — bring your background reports, the child's birth certificate, evidence supporting your petition, and a proposed order for the judge to sign
6. Obtain Letters of Guardianship — after the order is entered and any required bond is approved, the Circuit Clerk issues your Letters

The Missouri Guardianship and Custody Court Process Guide walks through every step in detail, with separate checklists for consented cases, contested cases, and emergency situations. It includes the filing-and-notice tracker and post-order compliance calendar so nothing falls through the cracks.

See more Missouri guides →