MO
State Guide Missouri

Family Law Resources

Filing procedures, court locations, costs, deadlines, and free legal aid for family law matters in Missouri.

How to File for Divorce in Missouri

Filing for Divorce in Missouri



Residency Requirements


90 days in Missouri before divorce can be granted (can file earlier).



Waiting Period


30 days minimum after filing - cannot be waived or shortened.



Filing Process



  1. File Petition for Dissolution of Marriage in county where either spouse resides

  2. Petition must be verified (signed under oath before notary)

  3. Self-represented parties must complete Litigant Awareness Program



Parenting Requirements



  • Submit Parenting Plan with petition or within 30 days

  • Parent education required if minor children involved



Grounds


No-fault: "irretrievably broken."

Missouri Family Court System

Family Courts in Missouri


Missouri's Family Court system was established in 1993 within each Circuit Court.



Family Court Division


A designated division within the Circuit Court handling:



  • Divorce and domestic relations

  • Child custody and adoption

  • Adult abuse and name changes



Domestic Section


Handles cases from both attorneys and self-represented parties:



  • Dissolution of Marriage, Legal Separation

  • Paternity, Child Support, Custody

  • Modifications, Contempt

  • Adult/Child Abuse Protective Orders



Resources


Supreme Court Rule 88 governs procedures. Missouri Courts website (courts.mo.gov) provides approved forms.

Missouri Divorce Filing Fees and Costs

Filing Fees in Missouri



Fee Ranges by County



  • Range: $105-$200+

  • St. Louis County: $140

  • Lawrence County: $105.50

  • Jasper County: $127.50 + $45 service fee



Additional Costs


Typically $25 for serving divorce papers.



Fee Waivers


File Motion and Affidavit in Support of Request to Proceed In Forma Pauperis.



Typical Total Costs



  • Uncontested: $500-$1,500

  • Contested: $5,000-$15,000+



Timeline


Most cases take 2-3 months after filing; contested cases longer.

Missouri Divorce Waiting Periods and Deadlines

Critical Deadlines in Missouri



Two Key Time Requirements



  • Residency: 90 days in Missouri before divorce can be granted

  • Waiting Period: 30 days after filing (cannot be shortened or waived)



Parenting Plan


Must submit with petition or within 30 days after filing.



Relocation Notice



  • 60 days written notice required for moves 50+ miles out of state

  • Co-parent has 30 days to object



Modification


Requires significant change in circumstances affecting child's best interests.



The "30 Day Divorce"


Refers to the minimum time to finalize after filing.

What Makes Missouri Family Law Unique

Missouri's Unique Family Law Features



50/50 Custody Presumption (August 2023)


Senate Bill 35 makes Missouri among the first states requiring courts to start with equal parenting time presumption.



  • Rebuttable by agreement or domestic violence pattern



Property Division is NOT 50/50


Missouri uses equitable distribution based on fairness, not equal split.



Gender Neutral


Law prohibits custody decisions based on parent's gender.



Form 14


Mandatory child support worksheet - new version takes effect January 2026.



Litigant Awareness Program


Required for self-represented parties.



Relocation Rules


60-day advance notice for 50+ mile moves out of state.

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Disclaimer

This information is provided for educational purposes only and does not constitute legal advice. Laws change frequently. Consult with a licensed attorney for advice specific to your situation.