Marriage License Information for Cascade County, Montana

Below is all of the marriage license information you need in order to file in the county you will be married in. Please note that we have provided links to your county clerk’s official website as well as a link to the marriage license application form you will file.

Office Address 415 2nd Avenue North #200, 200A Great Falls, MT 59401 Office Hours MON-FRI 8am to 11:30am and 1pm to 4pm.

Office Phone (406) 454-6780

Useful Links County Website

Is a Blood Test Required?


Does one of us need to go in person to apply?
Both of you

How much is it?

$53.00 cash

What do I need to bring?

Certified birth certificate, valid U.S. Government issued pictured ID card and valid Social Security CARD

How To Apply:

Both applicants must provide their Social Security numbers and verification of the number. Applicants may present a Social Security Card or a W-2 Form or company pay stub with name and number for verification.

A Rubella test is needed for the woman if she is the child bearing age.

When does It Expire:

After 6 Months

Name Change:
Filing for a marriage license in the state of Montana does not cause your or your spouse’s last name to automatically change. Married name change services are available to guide you through the married name change process if you opt to change your name.

Same Sex Couple:
Use this online resource for more information about your state’s marriage legislation.