A prenuptial agreement can be modified at any time. Even as this is the case the prenup modification will need for both parties to be in agreement since they will both need to sign the document. If both parties are seeking to make amendments the modification be a difficult process. A Glendale family law attorney can walk you through the process, review the document for you, and proceed to have it notarized for you. In the case where your spouse is not willing to modify the prenuptial agreement, you can pursue other options.