In 2026, enforceable premarital agreements typically start with full and honest financial disclosure so neither party can later claim surprise. The agreement should be signed well before the wedding, because last minute pressure can create arguments about lack of voluntariness. The terms should be clear about separate versus marital property, debt allocation, and how future income or business growth will be handled. Colorado statutes include rules for marital agreements and recognize choice of law concepts, which is why careful drafting matters if either party has ties to another state. It is also important to keep the agreement consistent with later estate planning documents, beneficiary designations, and major purchases during the marriage. A lawyer can help ensure the agreement reflects informed consent, fair process, and language that will hold up under Colorado’s statutory framework.