MT UPAA Adopted

Montana Prenuptial Agreement

Montana’s prenuptial agreement law under Mont. Code Ann. §§ 40-2-601 to 40-2-610 follows the Uniform Premarital Agreement Act, requiring written execution, voluntary consent, and full financial disclosure. Montana is an equitable distribution state — marital property divided fairly but not necessarily equally, making prenups valuable for protecting pre-marital assets and business interests.

GOVERNING LAWMontana Uniform Premarital Agreement Act

STATUTEMont. Code Ann. §§ 40-2-601 to 40-2-610

PROPERTY SYSTEMEquitable Distribution

AVG. ATTORNEY COST$1,200–$3,800

Montana Prenuptial Agreement Overview

Key Facts About Montana Prenuptial Agreements

Montana adopted the UPAA under Mont. Code Ann. §§ 40-2-601 to 40-2-610
Montana is an equitable distribution state — marital property divided fairly but not necessarily equally
Courts will void a prenup signed under duress or without proper financial disclosure
Both parties must sign voluntarily and with full knowledge of the other’s assets
Independent legal counsel for both parties is strongly recommended
The agreement must be in writing and signed by both parties before the wedding
The agreement must be presented well in advance of the wedding to avoid duress claims

What Can Be Included in a Montana Prenup?

Can Be Included

Rights and obligations regarding property
Right to buy, sell, use, transfer, or manage property
Disposition of property upon separation, divorce, or death
Modification or elimination of spousal support
Making of a will or trust
Ownership rights in a life insurance death benefit
Choice of law governing the agreement

Cannot Be Included

Child support or child custody provisions
Provisions that encourage divorce
Provisions that violate criminal law or public policy
Terms that are unconscionable

Attorney Recommendation: While it is possible to draft a prenuptial agreement without an attorney, Montana courts are more likely to enforce agreements where both parties had independent legal counsel. The average cost of a Montana prenuptial agreement drafted by an attorney is $1,200–$3,800.

Montana Prenuptial Agreement Laws & Requirements

Governing Statute

Prenuptial agreements in Montana are governed by Mont. Code Ann. §§ 40-2-601 to 40-2-610. As a UPAA state, Montana follows the Uniform Premarital Agreement Act, which provides a standardized framework for prenuptial agreements across adopting states.

Requirements for a Valid Prenuptial Agreement in Montana

Written Agreement: The prenuptial agreement must be in writing. Oral prenuptial agreements are not enforceable in Montana.
Signed by Both Parties: Both parties must sign the agreement before the wedding ceremony.
Voluntary Execution: Both parties must sign voluntarily, without duress, coercion, or undue influence.
Full Financial Disclosure: Both parties must fully disclose their assets, debts, and financial obligations.
Executed Before Marriage: The agreement must be signed before the marriage takes place.
Fair and Reasonable: Courts may void provisions that are unconscionable or grossly unfair.

Grounds for Invalidating a Montana Prenuptial Agreement

Signed under duress, coercion, or undue influence
Lack of full and fair financial disclosure
Signed without adequate time to review (presented too close to the wedding)
One or both parties lacked mental capacity
Provisions that are unconscionable or violate public policy
Failure to meet formal execution requirements

Official Resources

Montana Prenuptial Agreement Forms & Resources

Below are resources for Montana prenuptial agreement forms, official government documents, and related legal forms.

Free Montana Prenuptial Agreement Template

Our free prenuptial agreement template is designed to comply with Montana law under Mont. Code Ann. §§ 40-2-601 to 40-2-610. It includes all required provisions and can be customized to your specific situation.

Download Free Template

Official Montana Legal Resources

Related Montana Legal Forms

Find a Montana Prenuptial Agreement Attorney

Finding an experienced family law attorney in Montana is one of the most important steps in creating an enforceable prenuptial agreement. Courts are more likely to uphold agreements where both parties had independent legal counsel.

How to Find a Qualified Montana Prenup Attorney

Look for attorneys who specialize in family law and marital agreements
Both parties should have separate, independent attorneys
Start the process at least 3–6 months before the wedding
Ask about experience specifically with prenuptial agreements
Request a flat-fee quote rather than hourly billing when possible

Official Montana Attorney Referral Resources

Cost Estimate: The average cost of a prenuptial agreement in Montana drafted by an attorney is $1,200–$3,800. This typically includes one attorney reviewing the agreement; both parties should have separate counsel.

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