How to File for Divorce
in Montana
A complete guide for Montana residents — residency requirements, no-fault grounds, filing fees, property division rules, and a 6-step process overview.
Filing Fee
$170-$220 (check with your county district court)
Approximate
Timeline
3-6 months
Uncontested
Property
Equitable distribution
Division rule
Montana Divorce — Key Facts
Residency Requirement
90 days in the state before filing
Grounds for Divorce
Irretrievable breakdown of the marriage
Separation Period
180 days of separation is strong evidence of irretrievable breakdown but not strictly required
Property Division
Equitable distribution
Filing Fee
$170-$220 (check with your county district court)
Average Timeline
3-6 months
Montana-Specific Rule
Montana has a mandatory 20-day waiting period after the petition is served. The court must find the marriage is irretrievably broken, considering a 180-day separation as evidence.
6-Step Divorce Process in Montana
Confirm You Meet Residency Requirements
90 days in the state before filing. If you don't yet qualify, you can still start organizing your documents — just wait to file until the residency requirement is met.
Gather Financial and Personal Documents
Collect marriage certificate, bank statements, tax returns (last 2 years), property deeds, vehicle titles, retirement account statements, and any prenuptial agreements. JustiPal™ provides a complete document checklist.
Complete the Divorce Petition
File the Petition for Dissolution of Marriage (or Divorce Complaint, depending on Montana's terminology). State the grounds as "Irretrievable breakdown of the marriage." Include your marriage date, separation date if applicable, and requested relief.
Serve Your Spouse
Your spouse must be formally notified of the divorce filing. This can be done by a process server, certified mail, or sheriff. Your spouse has a set number of days to respond.
Negotiate or Agree on Terms
Reach agreement on property division (Equitable distribution rules apply in Montana), debt allocation, spousal support if applicable, and child custody and support if you have children.
Finalize the Divorce Decree
Submit your Settlement Agreement and financial disclosures to the court. For uncontested divorces, a judge reviews and signs the Final Judgment. Montana has a mandatory 20-day waiting period after the petition is served. The court must find the marriage is irretrievably broken, considering a 180-day separation as evidence.
Frequently Asked Questions — Montana Divorce
How long do I have to live in Montana before I can file for divorce?
90 days in the state before filing. This residency requirement must be met before the court can accept your divorce petition. If you don't yet meet the requirement, you can still begin organizing your documents and preparing your case.
What are the grounds for divorce in Montana?
Montana recognizes no-fault divorce based on "Irretrievable breakdown of the marriage." You don't need to prove fault, wrongdoing, or that your spouse did anything wrong — simply that the marriage has broken down and cannot be repaired.
How much does it cost to file for divorce in Montana?
The estimated court filing fee in Montana is $170-$220 (check with your county district court). Filing fees vary by county. Additional costs may include a process server (typically $30–$100), and document preparation services like JustiPal™ ($197).
How is property divided in a Montana divorce?
Montana follows Equitable distribution rules. Montana has a mandatory 20-day waiting period after the petition is served. The court must find the marriage is irretrievably broken, considering a 180-day separation as evidence.
How long does divorce take in Montana?
An uncontested divorce in Montana typically takes 3-6 months. Separation period: 180 days of separation is strong evidence of irretrievable breakdown but not strictly required. Contested divorces involving disagreements over property division or child custody can take 1–3 years.
Related Resources
Free Check
Divorce Readiness Check
See if you're ready to file in Montana — takes 2 minutes. Covers residency, documents, and property.
Check My ReadinessFull Service · $197
Divorce Intake Package
Guided divorce intake with Montana-specific document checklist and organized filing packet.
- Complete intake workflow
- Montana document checklist
- Property inventory worksheet
- Ready-to-file packet
Document preparation · Not a law firm
JustiPal™ is a document preparation service. We do not provide legal advice. For contested divorces or complex situations, consult a licensed family law attorney in Montana.
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