For reference, we have provided a summary of Plano’s zoning districts and allowed uses below; however, these documents do not contain all regulations from the Zoning Ordinance. A full version of the Zoning Ordinance is available. The Zoning Ordinance is frequently updated and may contain more recent information than is published on this page. For questions, interpretations, and information about recent modifications, please contact the Planning Department at 972-941-7151. Information on this website is considered unofficial.