A marital property partition is an agreement between spouses that allows them to convert community property into the separate property of one spouse. This is a document through which the parties agree that particular property will be "separate property" and will not be divided.As Prenuptial Marital Agreement Attorney in Houston, LeLawtx can draft an effective agreement on your behalf. Call for free Consultation: (832) 559-0923. If you're engaged or married, you may wish to consider a prenuptial or postnuptial agreement. Fill out this form completely. You MUST include your mailing address. This waiver applies during the lifetime of both parties, as well as on the death of either or both parties.