Planning and Development Services Department Regional Planning - Annexation Information  Patricia Wallace, Planning Manager Priscilla Rosales-Pina, Senior Management Analyst Ashley McNabb, Sr. Planner Richard Martinez, Sr. Planner   State Annexation Law   Link to Texas Statues/Local Government Code - Chapter 43:  Municipal Annexations Voluntary Annexation Guidlines     You may reach any of our Regional Planning Staff by calling (210) 207-7873 between the hours of 7:45 a.m. & 4:30 p.m., Monday through Friday or email them directly by clicking on their names.