City of Norwalk, CT GIS Mapping website

About GIS Mapping

A GIS (Geographic Information System) is an electronic mapping program with the ability to analyze, manage, and display information based on geography on a wide variety of scales.

GIS is a technology to understand and solve problems associated with government information which has a geographic dimension, allowing the efficient deployment of resources and delivery of service.

Norwalk’s GIS was created by the City of Norwalk for its governmental use. The City’s GIS is based on 2007 aerial photography, dozens of data layers, and integration with key city databases. The data on this website is updated on an annual basis. Aerial photography is updated approximately every 5-7 years.

This 2.5 minute video provides an overview of what a GIS is:

MAP Gallery

View or Download PDF Maps

GIS Interactive Map
to GIS Data for info)

: The data contained in this website is provided solely for public convenience; it is the responsibility of the public to verify and confirm the accuracy and completeness of such data. The City of Norwalk, Connecticut makes no warranty, representation, or guarantee, express or implied, as to the accuracy of the content, or the completeness of any database or information provided and hereby disclaims all warranties, representations and guarantees regarding the website or its content, including all utility representations, and warranties of fitness for a particular purpose, noninfringement, and all warranties arising by statute, operation of law, course of dealing, performance , or usage of trade.

Furthermore, the City of Norwalk, Connecticut does not warrant that all defects will be corrected, or that any services, products or programs supplied by or installed on this website will operate on an uninterrupted or error free basis, or shall function or operate in conjunction with any other product or system. In no event shall the City of Norwalk, Connecticut, be liable to any user for any direct or indirect, special or consequential damages or lost profits arising out of or related to the data contained in this website or the use of this website. Official copies of the documents presented on this website can be viewed in person at the Norwalk City Hall, 125 East Avenue, Norwalk Connecticut.

Engineers, Surveyors, Realtors and other Mapping Firms: If you need an extract of this mapping data in CAD or Shapefile formats, please contact Customer Service as indicated below.