What is a Postnuptial Agreement and Why Should a Married Couple Have One?
A postnuptial agreement, often called a “post-nup,” is a legal contract entered into by spouses after marriage to outline the division of assets, debts, and other important matters in the event of a divorce. While similar in nature to a prenuptial agreement (a contract made before marriage), a postnuptial agreement serves as a safeguard for couples who are already married and want to define certain financial or marital terms moving forward.
Reasons for a Post-nup
There are many reasons a couple might consider drafting a postnuptial agreement. Sometimes, couples face challenges within their marriage, and rather than pursuing divorce, they choose to protect their relationship by addressing issues of concern through a formal agreement. For instance, if one spouse has developed a gambling or substance abuse problem, the other partner may want to establish boundaries and guidelines for how assets would be divided in the event of a separation. This allows the couple to navigate their current marital difficulties while also preparing for any potential future outcomes.
Post-nups Define Assets and How They are Managed
A postnuptial agreement is especially useful in outlining how property, finances, and even debt will be managed. This may include specifying how income and assets acquired during the marriage will be divided, and what, if any, spousal support will be awarded in the case of divorce. However, couples should be aware that certain provisions—especially those regarding spousal support—may not always hold up in court, depending on state laws. For example, in California, courts are generally reluctant to enforce spousal support waivers in postnuptial agreements. There is even a specific code section that allows such agreements to be invalidated if they attempt to waive spousal support. That said, some couples still include spousal support limitations, even though the enforce-ability of these terms remains uncertain until challenged in court.
Legal Representation is a Must
A key requirement of any postnuptial agreement is that both spouses must be fully informed, and the agreement must be entered into voluntarily. This means each party should have separate legal representation to ensure that they fully understand the terms of the agreement. The agreement cannot be presented as a surprise, nor should one spouse be pressured into signing it without proper consultation. It’s essential that both spouses agree to the terms freely to maximize the validity of the agreement.
Ultimately, a postnuptial agreement can serve as a proactive tool for married couples to address financial concerns or personal issues, providing clarity and protection if the marriage were to end in divorce. It offers peace of mind, helping couples safeguard their future, while still working to preserve their current relationship.
The Kim Mediation and Law Center is located at 3701 Wilshire Blvd in Los Angeles, CA. You may request an appointment by calling 213-351-1000 or visit www.kimmediationandlaw.com.
Compassion for my clients is important to me, and that’s why I’ve remained a family law practitioner for 30 years — and still love what I do. I’m keenly aware of the emotional toll divorce can have on you and your family. As you navigate the rough waters of transition, my team and I will help you find your balance. We’re here to support you in making the best decisions for your future. I’ve seen the positive results again and again when couples embrace meditation or collaborative divorce. I’d be honored to share these practices with you and set your family on a healthy path.


