MONTANA DIVORCE GUIDE

How to File for Divorce in Montana
Without a Lawyer

Filing for divorce in Montana without an attorney costs $170 in court fees. You must meet the residency requirement of 90 days in Montana. Montana is a equitable distribution state with a 20 days waiting period. An uncontested divorce typically takes 1-2 months. Victoria AI guides you through every step with Montana-specific instructions.

$170
Filing Fee
20 days
Waiting Period
90 days in Montana
Residency
1-2 months
Timeline

Last updated: February 1, 2026 • Reviewed by Divorce.law Legal Team

Montana Divorce Requirements at a Glance

Filing Fee$170 (The filing fee is approximately $170 statewide. Montana has relatively uniform fees across district courts.)
Residency Requirement90 days in Montana
Waiting Period20 days
Property DivisionEquitable Distribution (fair, not equal)
Grounds for DivorceIrretrievable breakdown (no-fault), Serious marital discord affecting attitude of both parties
No-Fault Only?Yes
Uncontested Timeline1-2 months
Contested Timeline6 months to 2+ years
Fee Waiver Available?Yes
~4,500
Divorces per year in Montana
~60%
Pro se filers
2-3 months (uncontested)
Average duration
$170
Median filing fee

Montana Residency Requirements

To file for divorce in Montana, you must meet the following residency requirement: 90 days in Montana.

At least one spouse must have been domiciled in Montana for at least 90 days before filing for dissolution of marriage.

Tip: Victoria AI can help you determine if you meet Montana's residency requirements and guide you through the documentation needed to prove residency.

How to File for Divorce in Montana: Step-by-Step

Follow these steps to file for divorce in Montana without an attorney. Victoria AI guides you through each step with state-specific instructions.

STEP 1

Meet Residency Requirements

At least one spouse must have been domiciled in Montana for at least 90 days before filing for dissolution of marriage.

STEP 2

Gather Required Forms

Download the official Montana divorce forms: Petition for Dissolution of Marriage, Summons, Financial Declaration. All forms are available from the Montana courts website.

STEP 3

Complete Your Petition

Fill out the divorce petition (DR-100) with your information, grounds for divorce, and what you're requesting (property division, custody, support).

STEP 4

File with the Court

File your completed petition with the Montana court and pay the filing fee of $170. Fee waivers are available if you qualify financially.

STEP 5

Serve Your Spouse

Properly serve your spouse with the divorce papers according to Montana rules. Options typically include sheriff service, process server, or certified mail with acknowledgment.

STEP 6

Complete Financial Disclosure

Exchange mandatory financial disclosure documents as required by Montana law. This typically includes income verification, tax returns, bank statements, and a sworn financial affidavit.

STEP 7

Wait for Response & Complete Waiting Period

Montana has a 20-day waiting period from the date the respondent is served. The court cannot finalize the dissolution until this period expires.

STEP 8

Finalize Your Divorce

Submit your final judgment to the court. For uncontested divorces in Montana, this typically takes 1-2 months. The court will issue your final divorce decree.

Required Forms for Montana Divorce

These are the primary forms you'll need to file for divorce in Montana. Victoria AI guides you through completing each form correctly.

Petition for Dissolution of Marriage

DR-100

Initiates divorce

Summons

DR-101

Notifies spouse

Financial Declaration

DR-105

Financial disclosure

Final Decree of Dissolution

DR-120

Final judgment

Montana Divorce Costs & Filing Fees

The filing fee to start a divorce in Montana is $170. The filing fee is approximately $170 statewide. Montana has relatively uniform fees across district courts.

Cost TypeAmount
Court Filing Fee$170
Service of Process$50-$100 (varies by method)
Certified Copies$5-$25 per copy
Total DIY Uncontested$250-$900 (uncontested DIY)

Fee Waiver Available in Montana

If you cannot afford the filing fee, Montana offers fee waivers for qualifying individuals. You'll need to complete a fee waiver application demonstrating financial hardship. This typically requires showing income below a certain threshold (often 125-200% of federal poverty guidelines) or receiving public assistance benefits.

Victoria can help: Our AI guides you through the fee waiver application process and helps you gather the required documentation.

Serving Your Spouse in Montana

After filing your divorce petition in Montana, you must legally "serve" your spouse with the divorce papers. This ensures they receive official notice of the divorce and have an opportunity to respond.

Acceptable Methods of Service in Montana

Personal Service

A sheriff, constable, or private process server personally delivers the papers to your spouse. Most reliable method.

Certified Mail

Papers sent via certified mail with return receipt requested. Your spouse must sign to acknowledge receipt.

Acceptance of Service

Your spouse voluntarily signs an acknowledgment that they received the papers. Fastest and cheapest option if cooperative.

Service by Publication

If your spouse cannot be located, you may be able to publish notice in a newspaper. Requires court approval.

Important: Proof of Service

You must file proof of service with the court showing your spouse was properly served. Without valid proof of service, your divorce cannot proceed. Montana courts are strict about service requirements.

Property Division in Montana

Equitable Distribution State

Montana is a equitable distribution state.

Montana divides marital property equitably. The court considers duration of marriage, age, health, occupation, amount and sources of income, vocational skills, and contribution to acquisition of marital property.

Victoria's Financial Tools: Our AI-powered financial tools help you identify, categorize, and value marital assets. Victoria can help you understand how Montana law applies to your specific property.

Child Support in Montana

Montana uses the Income shares model per Montana Child Support Guidelines.

Montana uses income shares guidelines. Both parents' gross incomes determine the total child support, allocated based on income percentages and parenting time.

Spousal Support Factors in Montana

  • Financial resources of requesting party
  • Time needed for education/training
  • Duration of marriage
  • Age and health
  • Standard of living
  • Ability to meet needs while paying support

Montana Divorce Timeline: What to Expect

Understanding the timeline helps you plan and set realistic expectations for your Montana divorce.

Uncontested Divorce

1-2 months

When both spouses agree on all terms including property division, custody, and support. This is the fastest and least expensive option.

Contested Divorce

6 months to 2+ years

When spouses cannot agree and need court intervention to resolve disputes. Involves hearings, discovery, and potentially trial.

Typical Montana Divorce Timeline (Uncontested)

1

File Petition

Day 1 - Submit your divorce paperwork and pay the $170 filing fee

2

Serve Your Spouse

Within 30 days - Ensure proper legal service of divorce papers

3

Response Period

20-30 days - Your spouse has time to file a response

4

Waiting Period

20 days - Montana has a 20-day waiting period from the date the respondent is served. The court cannot finalize the dissolution until this period expires.

5

Final Judgment

Court issues your final divorce decree

Speed up your divorce: Victoria AI helps you complete forms correctly the first time, avoiding delays from rejected paperwork. Our checklists ensure you don't miss any steps or deadlines.

What Makes Montana Divorce Unique

No-fault only state

Very short 20-day waiting period

90-day residency

Standardized DR forms statewide

One of the faster states for divorce

Key Montana Divorce Laws

  • MCA §40-4-104Dissolution of Marriage
  • MCA §40-4-202Division of Property
  • Montana Child Support GuidelinesChild Support

Montana Divorce FAQ

Common questions about filing for divorce in Montana without an attorney.

Victoria AI Knows Montana Divorce Law

Get 24/7 guidance specific to Montana's forms, procedures, and requirements.

Montana-specific forms

Guidance through every required form

Financial disclosure wizard

Complete your financial affidavit step-by-step

Child support calculator

Using Montana's exact guidelines

AI document drafting

Create properly formatted legal documents

Evidence notebook

Organize and categorize case documents

24/7 AI guidance

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Not Legal Advice

Victoria provides legal information, not legal advice. For advice specific to your case, consult an attorney.

Official Sources

All Montana divorce information verified from official state court sources.

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