Montana Divorce Timeline Estimator

An uncontested dissolution of marriage in Montana typically takes 30–90 days from filing to final decree, while contested cases average 6–18 months depending on complexity. Under MCA § 40-4-105, no decree may be entered until at least 21 days after service on the respondent. Cases involving parenting disputes, property division, or trial scheduling in busy district courts take the longest.

Yes. Montana Code Annotated § 40-4-105 imposes a mandatory 21-day waiting period before a judge can enter a final decree of dissolution. This period begins on the date the respondent is served with the petition or the date both spouses file a joint petition. The 21-day period also serves as the respondent's deadline to file a verified response.

Montana does not require a mandatory separation period before filing for dissolution. However, under MCA § 40-4-107, courts may consider whether spouses lived separate and apart for 180+ days as evidence of irretrievable breakdown. The alternative is showing serious marital discord — so separation is one path to proving grounds, not a prerequisite to filing.

An uncontested dissolution where both spouses agree on all terms — property division, support, and parenting — can be finalized in approximately 30–90 days. After the 21-day waiting period under MCA § 40-4-105, parties may file an Affidavit for Entry of Decree without a hearing, which eliminates scheduling delays. The median cost for an uncontested Montana divorce is $2,200.

The fastest path is a joint petition for dissolution where both spouses agree on all issues and file together under MCA § 40-4-105. After the mandatory 21-day waiting period, you can request entry of the decree by affidavit without a court hearing. Combined with Montana's 90-day residency requirement, the absolute minimum timeline is approximately 3–4 weeks from filing if residency is already met.

Under MCA § 40-4-105, the respondent has 21 days from the date of service to file a verified response with the district court. If no response is filed within that period, the petitioner may request a default judgment from the Clerk of Court. The respondent may also file a counter-petition stating their own claims for property division, support, or parenting arrangements.

Montana does not universally mandate parenting classes for divorcing parents. However, district court judges frequently order parents to attend co-parenting education at their discretion. A parenting plan is mandatory in all cases involving minor children under MCA § 40-4-212. Courts also commonly order mediation through the Montana Family Transition Project for contested parenting disputes, which can add 30–60 days to the timeline.

Contested dissolutions in Montana typically take 6–18 months, depending on the issues in dispute and the district court's scheduling calendar. Cases that settle during mediation often resolve in approximately 6 months. Cases requiring full discovery, expert evaluations, and trial commonly exceed 12 months. Montana processes about 3,200 divorce filings annually, and court backlogs vary significantly by county.