Marriage License by State.
HomeRequirements by state › Montana Marriage License Requirements

Montana Marriage License Requirements

Minimum age
18 without consent
Blood test
yes for female applicants under 50 (rubella immunity) — WAIVABLE via a signed informed-consent declination form
Witnesses
no witnesses required

Montana is different. last state with a marriage blood-test on the books (rubella, female applicants <50) — but WAIVABLE by informed-consent form

To marry in Montana, applicants must present government-issued photo identification and proof of age, along with a Social Security number. The state does not impose a residency requirement. Individuals aged 18 and older may marry without consent. Those aged 16 or 17 may marry with both parental consent and court approval. Applicants under age 16 are not permitted to marry in the state. No witnesses are required to obtain a marriage license.

Montana maintains a rubella-immunity blood test requirement for female applicants under age 50, making it the final state to retain such a requirement. However, the test is waivable; applicants may decline it by signing an informed-consent declination form. Marriage license fees are set by the applicant's county of application. Those seeking to marry should confirm all current requirements and procedures directly with their county clerk or through Montana's official state statutes, as eligibility rules and fees may change.

RequirementMontana
License feevaries by county (~$53; Clerk of District Court)
Fee set byCounty (varies by county)
Waiting periodnone
License validity180 days
ID requiredgovernment photo ID; proof of age; SSN
Residency requiredno
Minimum age18 without consent; 16-17 with parental consent AND court approval; under 16 not permitted
Blood testyes for female applicants under 50 (rubella immunity) — WAIVABLE via a signed informed-consent declination form
Witnessesno witnesses required
Online optionno statewide online option; apply at the Clerk of District Court
Where to applyClerk of District Court (county-administered)
Governing lawSet by state statute — refer to your state’s official statutes and the issuing County Clerk for the governing rule

Confirm locally. Requirements come from public-record state law and can change. Verify with the issuing county clerk or state .gov. Informational only — not legal advice.

Find your state's requirements →

Full Montana license guide → · How to apply →

12-week wedding planning checklist

From marriage license to the last RSVP — a free, week-by-week checklist so nothing (least of all the paperwork) slips.

We'll email you useful info and the occasional offer. Unsubscribe anytime.
We use cookies to measure site traffic. See our Privacy Policy.