Who Should Consider a Cohabitation Agreement?

by Deirdre McGuire , Wealth Advisor and Director of Business Development

May 28, 2026

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As more couples choose to live together without getting married, the need for financial clarity and protection becomes increasingly important. A cohabitation agreement, often considered the unmarried equivalent of a prenuptial agreement, is a legal document that defines each partner’s financial rights and responsibilities. It clarifies ownership of property, protects individual assets, and helps prevent disputes should the relationship come to an end. This agreement can be crucial in safeguarding your assets and preventing future disputes.

What is a Cohabitation Agreement?

A cohabitation agreement is a legal document that outlines how unmarried couples manage assets, property, and financial responsibilities. It clarifies ownership, protects individual assets, and helps prevent disputes if the relationship ends.

How Does a Cohabitation Agreement Protect Property and Assets?

If you and your partner own property together, or are planning to purchase a home together, a cohabitation agreement is highly advisable because it can clarify each person’s ownership interest in the property and determine how the property should be divided if the relationship ends, including by death of one of the partners. Additionally, it can address who is responsible for mortgage payments and maintenance and insurance costs, and how any potential sale proceeds will be split. Without such an agreement, the division of property can become contentious and legally complicated.

Who Needs a Cohabitation Agreement

For those with significant individual assets, a cohabitation agreement is essential. Whether it’s savings, investments, or valuable personal property, defining who owns what can help protect each person’s financial standing. This is especially important in ensuring that assets acquired before the relationship remain with the original owner, and that any joint acquisitions are clearly documented and agreed upon.

When one partner contributes more financially to the relationship, whether through income or by covering a larger share of expenses, a cohabitation agreement can help clarify financial obligations. This ensures that both partners understand their roles and responsibilities, reducing the potential for misunderstandings or feelings of inequity. By setting clear terms, both partners can feel secure in the knowledge that their contributions are recognized and respected.

Who Needs a Cohabitation Agreement?

If you or your partner have children from a previous relationship, protecting their financial interests becomes a priority. A cohabitation agreement can specify how certain assets will be reserved for those children, ensuring they are supported according to your wishes. This can include decisions about inheritance, as well as how children will be provided for in the event of a separation.

Couples entering a second or later-in-life partnership often face more complex financial situations, including considerations around retirement plans, real estate, and inheritances. A cohabitation agreement in this context can help ensure that each partner’s assets are protected and that any financial arrangements align with their long-term goals. This can be especially important in maintaining financial independence while still sharing a life together.

Arguably the most compelling reason to consider a cohabitation agreement is the simple desire to avoid future legal disputes. Breakups are already so emotionally draining. The last thing anyone wants to deal with is an ex who is heartbroken and litigious. By setting clear terms from the start, a cohabitation agreement can help both partners avoid costly and time-consuming legal drama.

At GHP Investment Advisors, we believe that protecting your assets is an essential part of maintaining your financial well-being. Whether you’re starting a new relationship or ensuring your financial future is secure in an existing one, a cohabitation agreement can be a valuable tool. If you have any questions about how to protect your assets or want to learn more about safeguarding your financial future, we’re here to help. Reach out to us today to discuss your needs and how we can assist you in planning for a secure tomorrow.

DISCLAIMER This cohabitation agreement and related materials are provided for informational and educational purposes only and do not constitute legal advice. The information contained herein is not intended to create, and receipt does not constitute, an attorney-client relationship. Laws regarding cohabitation agreements vary by state and individual circumstances. Parties considering a cohabitation agreement should consult with independent legal counsel to ensure the agreement is properly drafted, enforceable, and appropriate for their specific situation.

What does a cohabitation agreement cover?

A cohabitation agreement outlines ownership of assets, division of property, financial responsibilities, and how finances are handled if the relationship ends or one partner passes away.

Is a cohabitation agreement legally binding?

Any unmarried couple living together should consider a cohabitation agreement, particularly if they own property, have significant assets, or share financial responsibilities.

Who should consider a cohabitation agreement?

Any unmarried couple living together should consider a cohabitation agreement, particularly if they own property, have significant assets, or share financial responsibilities.

Can a cohabitation agreement protect assets acquired before the relationship?

Yes, it can clearly define which assets remain separate property and ensure they are not subject to division if the relationship ends.

When Should a Cohabitation Agreement Be Updated?

A cohabitation agreement should be updated after major financial or life changes that affect assets, debts, income, or shared responsibilities.

Common reasons to update a cohabitation agreement include:
● Buying a home or other significant asset together
● Taking on shared debt
● Starting or selling a business
● Receiving an inheritance or large financial gift
● Having children
● Significant changes in income or financial responsibilities
● Changes to estate plans or beneficiary designations
● Moving to another state, where laws may differ

Reviewing a cohabitation agreement regularly helps ensure it continues to reflect both partners’ intentions and current financial circumstances.

Do both partners need separate legal counsel?

It is strongly recommended that each partner work with their own attorney to ensure the agreement is fair, properly structured, and enforceable.

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