Geographic Information System

What is a GIS?
It's a computer system capable of capturing, storing, analyzing, and displaying geographically referenced information; that is, data identified according to location.  Below is where you can find: PDF copies of paper maps, maps that you can interact with on your computer and a link to CityData.com where you can locate registered sex offender information.
InteractiveMaps
PDFMaps
RSOs
Disclaimer/Limitation of Liability
Information on these maps are provided by the City of Lancaster’s GIS (Geographic Information System) Department as a public service. The GIS Department is continually updating the data and attempting to provide the most accurate information possible. Such information is intended for reference only.  It is the responsibility of the user to confirm any discrepancies in the data. The City of Lancaster does not guarantee the accuracy of any information, data or maps.  All information is provided “As-Is” without warranty of any kind.  By using the City’s online maps, you accept the terms of the above disclaimer.