How to File for Divorce in Missouri (2026)
Reviewed by DocDraft Legal Team · Missouri · Last updated 2026-05-18
In Missouri, divorce is a creature of the Missouri code, not a one-size national form. Missouri splits property under equitable distribution (a fair, not automatically equal, split) and treats a divorce as granted when the marriage is irretrievably broken. Residency is the gate: One party must have been a resident of Missouri, or a member of the armed services stationed in Missouri, for 90 days immediately preceding the commencement of the proceeding, and 30 days must have elapsed since the filing of the petition before a judgment may be entered. This guide lays out the Missouri-specific filing sequence and the statutes, beginning with Mo. Rev. Stat. § 452.305; § 452.320, that govern it.
Key Considerations
How Missouri splits assets turns on its fair-but-not-equal equitable-distribution rule. Equitable distribution: the court divides marital property in such proportions as the court deems just after considering all relevant factors including economic circumstances at the time of division, contribution of each spouse, value of nonmarital property, conduct of the parties during the marriage, and custodial arrangements for minor children. Separate property is set aside. The controlling authority is Mo. Rev. Stat. § 452.330.
Support after the marriage ends follows a different track: Court may award maintenance if the spouse seeking maintenance lacks sufficient property to provide for reasonable needs and is unable to support themselves through appropriate employment or is custodian of a child whose condition makes outside employment inappropriate; amount and duration consider 10 enumerated factors including conduct of the parties during the marriage. See Mo. Rev. Stat. § 452.335.
Missouri's child-support math is rule-bound. Income-shares model under Missouri Supreme Court Rule 88.01 and Form 14; both parents' gross monthly income is applied to the Schedule of Basic Child Support Obligations with adjustments for overnight visitation (Line 11 adjustment), health insurance, and child-care It is set out in Mo. Sup. Ct. R. 88.01 (Form 14); Mo. Rev. Stat. § 452.340, with the official calculator via the state agency.
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Relevant Documents
Missouri filers use the following: Form CAFC001 (Petition for Dissolution of Marriage); accompanied by CAFC040 (Statement of Property and Debt), CAFC050 (Statement of Income and Expenses), Confidential Filing Information Sheet, and Form 14 (Child Support Amount Calculation) Forms are published via the state agency.
Child Support Worksheet
This document calculates the appropriate amount of child support based on both parents' incomes, the custody arrangement, and other factors.
Final Decree of Divorce
This is the final court order that legally ends your marriage and includes all the terms of your divorce including property division, support, and child custody arrangements.
Financial Disclosure Declaration
Both spouses must complete this document detailing all assets, debts, income, and expenses to ensure fair division of property and appropriate support amounts.
Marital Settlement Agreement
This document outlines the terms of your divorce agreement including property division, debt allocation, spousal support, and child custody arrangements if applicable.
Parenting Plan
If you have children, this document details the custody arrangement, visitation schedule, and decision-making responsibilities for the children.
Qualified Domestic Relations Order (QDRO)
This document is necessary if you need to divide retirement accounts or pension benefits between spouses as part of the divorce settlement.
Response to Petition for Dissolution
If you're the responding spouse, this document allows you to answer the claims in the petition and state your own requests regarding the divorce terms.
Summons
This document notifies your spouse that a divorce action has been filed and that they have a certain amount of time to respond.
Wage Withholding Order
This document directs an employer to withhold child support or spousal support payments from a spouse's paycheck.
Relevant Laws
Missouri Revised Statutes § 452.300-452.415 - Dissolution of Marriage
These statutes establish the legal framework for divorce (called 'dissolution of marriage' in Missouri). They outline the grounds for divorce (Missouri is a 'no-fault' state, meaning you only need to state the marriage is 'irretrievably broken'), residency requirements (at least one spouse must be a Missouri resident for 90 days before filing), and the overall process for obtaining a divorce in Missouri.
Missouri Revised Statutes § 452.330 - Division of Marital Property
Missouri follows 'equitable distribution' principles when dividing marital property in a divorce. This means property is divided fairly but not necessarily equally. The court considers factors including each spouse's economic circumstances, contribution to acquiring property, value of non-marital property, and conduct during the marriage when determining property division.
Missouri Revised Statutes § 452.340 - Child Support
This statute governs child support obligations in Missouri divorces. Missouri uses specific guidelines to calculate child support based on both parents' incomes, the number of children, childcare costs, health insurance expenses, and other relevant factors. The court can deviate from these guidelines if it finds them unjust or inappropriate in specific circumstances.
Missouri Revised Statutes § 452.375 - Child Custody and Parenting Time
Missouri courts determine child custody based on the 'best interests of the child' standard. This statute outlines the factors courts consider when making custody decisions, including the child's relationship with each parent, each parent's willingness to encourage a relationship with the other parent, the child's adjustment to home and community, and the mental and physical health of all parties involved.
Missouri Revised Statutes § 452.335 - Maintenance (Alimony)
This statute covers spousal maintenance (alimony) in Missouri divorces. Courts may award maintenance if a spouse lacks sufficient property to provide for reasonable needs and cannot support themselves through appropriate employment. Factors considered include the duration of the marriage, standard of living during marriage, age and health of both parties, and each spouse's earning capacity.
Missouri Supreme Court Rule 88 - Discovery in Domestic Relations Cases
This court rule governs the discovery process in Missouri divorce cases, requiring both parties to disclose relevant financial information. Each spouse must complete a Statement of Property, Income and Expense form, and exchange documentation about assets, debts, income, and expenses to ensure transparency in property division and support determinations.
Regional Variances
Major Metropolitan Areas
St. Louis County has specialized family courts with specific local rules. Divorce cases are typically assigned to the Family Court Division, and the county requires mandatory mediation for custody disputes before trial. The county also has specific financial disclosure requirements that may be more detailed than other Missouri jurisdictions.
Jackson County has its own set of local court rules for divorce proceedings. The county requires parties to attend a parenting program if minor children are involved. Additionally, Jackson County may have longer processing times due to higher case volumes, and uses a specific case management system that differs from other counties.
Greene County requires mandatory mediation for all contested divorce cases, not just those involving custody disputes. The county also has specific local rules regarding temporary motions and financial disclosure statements that may differ from other jurisdictions in Missouri.
Rural Counties
Many rural counties in Missouri have more limited court schedules, with some circuit courts only hearing family law cases on specific days of the month. This can result in longer timeframes for divorce proceedings. Additionally, these counties may have fewer resources for mediation services, potentially requiring parties to travel to neighboring counties for court-ordered mediation.
Some rural areas in Missouri are part of judicial circuits that cover multiple counties, with judges traveling between courthouses. This can affect scheduling and may result in different procedural expectations depending on which courthouse within the circuit is handling your case.
Border Regions
Counties along the Kansas border (like Platte, Buchanan, and Jasper) may have specific procedures for handling interstate divorce issues, particularly for couples who lived in both states or have property in both states. These counties may have more experience with applying the Uniform Child Custody Jurisdiction and Enforcement Act (UCCJEA) for cross-border custody matters.
Eastern border counties (like St. Louis, Jefferson, and Cape Girardeau) often deal with interstate divorce issues with Illinois. These counties may have specific procedures for handling cases where one spouse lives across the Mississippi River, including special considerations for service of process and enforcement of judgments across state lines.
Suggested Compliance Checklist
Verify jurisdiction first: One party must have been a resident of Missouri, or a member of the armed services stationed.
Before filing days after startingThis is set by Mo. Rev. Stat. § 452.305.
State the grounds
Before filing days after startingPure no-fault: the sole ground is that the marriage is irretrievably broken with no reasonable likelihood that the marriage can be preserved. If a party denies under oath that the marriage is irretrievably broken, the court must consider conduct factors and may find irretrievable breakdown based on one of five circumstances (adultery, behavior making it intolerable, abandonment for 6 months, mutual consent to separate for 12 months, or separation for 24 months) (Mo. Rev. Stat. § 452.305; § 452.320).
Open the case by filing the petition
At filing days after startingForm CAFC001 (Petition for Dissolution of Marriage); accompanied by CAFC040 (Statement of Property and Debt), CAFC050 (Statement of Income and Expenses), Confidential Filing Information Sheet, and Form 14 (Child Support Amount Calculation) The filing fee is approximately $102.50 to $233.50 filing fee for a Petition for Dissolution of Marriage (county-variable; e.g., Ray County $102.50, others up to $233.50). A fee waiver is available: Motion and Affidavit to Proceed as a Poor Person under Mo. Sup. Ct. R. 77.03 allows fee waiver on showing of indigence.
Calendar the statutory timeline
After filing days after starting30 days from the filing of the petition before a decree of dissolution may be entered. See Mo. Rev. Stat. § 452.305(1).
Handle service and disclosure
After filing days after startingAfter filing, serve the other spouse and trade the required financial disclosures so the court can rule on property and support.
Obtain the final judgment
Final step days after startingAfter timing and any custody, support, and property terms are settled, the court signs the decree of dissolution.
| Task | Description | Document | Days after starting |
|---|---|---|---|
| Verify jurisdiction first: One party must have been a resident of Missouri, or a member of the armed services stationed. | This is set by Mo. Rev. Stat. § 452.305. | - | Before filing |
| State the grounds | Pure no-fault: the sole ground is that the marriage is irretrievably broken with no reasonable likelihood that the marriage can be preserved. If a party denies under oath that the marriage is irretrievably broken, the court must consider conduct factors and may find irretrievable breakdown based on one of five circumstances (adultery, behavior making it intolerable, abandonment for 6 months, mutual consent to separate for 12 months, or separation for 24 months) (Mo. Rev. Stat. § 452.305; § 452.320). | - | Before filing |
| Open the case by filing the petition | Form CAFC001 (Petition for Dissolution of Marriage); accompanied by CAFC040 (Statement of Property and Debt), CAFC050 (Statement of Income and Expenses), Confidential Filing Information Sheet, and Form 14 (Child Support Amount Calculation) The filing fee is approximately $102.50 to $233.50 filing fee for a Petition for Dissolution of Marriage (county-variable; e.g., Ray County $102.50, others up to $233.50). A fee waiver is available: Motion and Affidavit to Proceed as a Poor Person under Mo. Sup. Ct. R. 77.03 allows fee waiver on showing of indigence. | divorce-petition | At filing |
| Calendar the statutory timeline | 30 days from the filing of the petition before a decree of dissolution may be entered. See Mo. Rev. Stat. § 452.305(1). | - | After filing |
| Handle service and disclosure | After filing, serve the other spouse and trade the required financial disclosures so the court can rule on property and support. | - | After filing |
| Obtain the final judgment | After timing and any custody, support, and property terms are settled, the court signs the decree of dissolution. | - | Final step |
Frequently Asked Questions
Missouri uses equitable distribution (a fair, not automatically equal, split). Equitable distribution: the court divides marital property in such proportions as the court deems just after considering all relevant factors including economic circumstances at the time of division, contribution of each spouse, value of nonmarital property, conduct of the parties during the marriage, and custodial arrangements for minor children. Separate property is set aside. See Mo. Rev. Stat. § 452.330.
One party must have been a resident of Missouri, or a member of the armed services stationed in Missouri, for 90 days immediately preceding the commencement of the proceeding, and 30 days must have elapsed since the filing of the petition before a judgment may be entered. This is set by Mo. Rev. Stat. § 452.305.
approximately $102.50 to $233.50 filing fee for a Petition for Dissolution of Marriage (county-variable; e.g., Ray County $102.50, others up to $233.50) Motion and Affidavit to Proceed as a Poor Person under Mo. Sup. Ct. R. 77.03 allows fee waiver on showing of indigence
Pure no-fault: the sole ground is that the marriage is irretrievably broken with no reasonable likelihood that the marriage can be preserved. If a party denies under oath that the marriage is irretrievably broken, the court must consider conduct factors and may find irretrievable breakdown based on one of five circumstances (adultery, behavior making it intolerable, abandonment for 6 months, mutual consent to separate for 12 months, or separation for 24 months). The governing statute is Mo. Rev. Stat. § 452.305; § 452.320.
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