Montana State Marriage Laws 

Couples planning to tie the knot in Montana, also known as The Treasure State, must be at least 18 years of age and must provide a social security number, along with a valid photo ID, which can include a driver’s license, and a certified copy of their birth certificate when applying for a marriage license.  Every bride under the age of 50 will be required take a blood test.  Unless either the bride or groom are under 18 years of age, there will not be a waiting period.  If either of the intended were previously married, a certified copy of the divorce decree must be provided.  If the former spouse is deceased, it may be necessary to produce a copy of the death certificate. 

Individuals who are under the age of 18 and wish to be married in the state of Montana must have written parental consent and be able to provide a certified copy of their birth certificate, which will serve as proof of age.  In addition, both the bride and groom will be required to attend two counseling sessions with an approved counselor.  At the conclusion, a written evaluation will be provided to the state and a judge will consider the possibility of judicial consent to the marriage.  If approved, the clerk of court will issue the license.  Montana does not permit those under the age of 15 to be married. 

The state of Montana does not have any residential requirements, which means you can exchange vows even if you are not a resident of the state.  Vacationers, former residents and all others are free to tie the knot here.  Once granted, a marriage license is valid for 180 days.  Application and/or marriage license fees may vary by county, which means you must check with the local courthouse regarding the actual cost and acceptable payment methods.  The fee starts at $30.00 and up, and it is advisable that applicants have cash on hand in the event that credit cards are not accepted. 

Same sex marriage is not permitted in the state of Montana.  Common law marriages, which are those that a state may acknowledge after a couple has lived together for a certain amount of time, are recognized in the state.  A wedding can be officiated by a licensed ordained clergymen, a judge, mayor or justice of the peace. 

Planning a wedding isn’t state law, but it certainly makes for a more memorable experience.  The official state flower, which is the bitterroot, would be ideal for a bridal bouquet, wedding decorations, etc.  There are a number of tranquil locations, resorts and tourist destinations that would make Montana a wonderful choice for an upcoming wedding. 

The information contained in this article is designed to be used for reference purposes only.  It should not be used as, in place of or in conjunction with professional legal advice.  Marriage laws and requirements can change, which means that you should check with your county courthouse regarding the application process for a marriage license, laws, fees and other requirements.   

To obtain a copy of a Montana marriage certificate, write to: Office of Vital Statistics

MT Dept. of Public Health and Human Services, 111 N Sanders, Rm. 209, P.O. Box 4210, Helena, MT 59604.

Code of Montana

Title 40, Chapter 1 provides information on Missouri's marriage laws.