Feature layer symbolizing UDO zoning districts in unincorporated Porter County, IN. Zoning districts governed by and described in the Porter County Unified Development Ordinance (UDO) established June 15, 2007. Document can be located on the web at http://www.porterco.org/DocumentCenter/View/345 Questions concerning zoning must be directed to the Porter County Plan Commission Office located at 155 Indiana Ave. Ste. 311, Valparaiso, IN 46383. ph. (219)465-3540. web- http://www.porterco.org/index.aspx?nid=407The interactive map containing the zoning layer is intended for reference only. No warranty of completeness or accuracy is made and the map is offered , 'as is', claiming no responsibility for loss incurred due to inaccuracies in the map. All zoning inquiries must be directed to and confirmed by the Porter County Plan Commission.