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What are the Requirements for Prenuptial Agreements in New York?

Posted on May 2, 2025

Prenuptial agreements have become increasingly common in New York City, where personal goals often intersect with financial complexity. A prenuptial agreement can provide peace of mind and clear financial boundaries, whether you are entering a marriage with significant assets, a business, or children from a prior relationship. Below, a New York City prenuptial agreement attorney from the Law Office of Vivien I. Stark, P.C., outlines the legal requirements these agreements must meet to be valid and enforceable under New York law.

What Is a Prenuptial Agreement?

A prenuptial agreement is a contract between two people who plan to marry. It outlines how individuals will handle financial matters during the marriage and in the event of divorce or death. Topics can include property division, spousal support, and rights to specific assets or debts. While prenups are often associated with wealth, couples of all financial backgrounds can benefit from having one in place.

Benefits of Prenups

These agreements offer couples clarity and control over their financial future. In New York, a well-drafted prenup can protect individual assets, clarify debt responsibilities, and reduce conflict in the event of divorce. They provide peace of mind and ensure financial decisions reflect each partner’s intentions.

Legal Requirements for a Valid Prenup in New York

New York law allows broad flexibility in crafting prenuptial agreements, but to ensure enforceability, you must meet the following legal criteria:

  • The agreement must be in writing: In New York, a prenuptial agreement must be written and signed. Verbal agreements hold no legal weight regarding marital finances, no matter how clearly stated. A written document provides concrete evidence of the couple’s intentions before marriage.
  • Disclosure of assets or a waiver of a full disclosure is required: Each party should fully disclose their assets, liabilities, income, and net worth before signing. This ensures transparency and informed consent. A lack of disclosure may render the agreement invalid and unenforceable in court.
  • The document must be voluntarily signed: Both parties must sign the agreement willingly, without coercion, duress, or undue influence. Each person should clearly understand the terms. Ideally, the parties will review and discuss the agreement well before the wedding rather than introduce it at the last minute.
  • It must be acknowledged like a deed: The agreement must be acknowledged similarly to a deed. Each party must appear before a notary public or authorized official and formally confirm they signed the agreement. The notary then verifies their identities and adds a seal and signature, adding legal formality and authenticity.

Can a Prenup Cover Anything?

While prenuptial agreements can address a variety of financial matters, New York law reserves certain topics for the courts. For instance, prenuptial agreements cannot dictate matters concerning child custody or child support. These decisions are always made based on the child’s best interests at the time of any legal proceedings.

Additionally, the court may scrutinize overly one-sided agreements. If a judge finds the agreement’s terms to be unconscionable or shockingly unfair, they may refuse to enforce it, especially if one party lacked legal representation or was unaware of what they were signing.

Understanding the legal requirements for prenuptial agreements in New York helps ensure that the terms are fair, enforceable, and reflective of both parties’ intentions. Taking the time to create a thoughtful and balanced agreement can help avoid future legal challenges.

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