Welcome to Delaware County's GIS Website

Delaware Appraisal Land Information System DALIS Project was established in 1994 by the Delaware County Auditor. Since then, the division has become the recipient of numerous international, national, and local awards for its exemplary and innovative use of GIS technology in property taxation as well as many other applications. delaware county ohio gis

DALIS Project’s team of six full time and two part time GIS professionals monopoly live are responsible for creating and maintaining the county’s comprehensive GIS dataset consisting of over 70 data layers including but not limited to parcels, road centerline and right of ways, political boundaries such as townships, municipalities, schools, tax districts, various land marks, rail roads, and voting precincts.

Since its inception, DALIS Project’s rich datasets are used by a variety of county and city jurisdictions and in numerous applications such as: appraisal, planning, economic development, E-911, board of elections, code compliance, utilities, engineering, water & waste water mapping to name a few. DALIS staff assists many of these departments with their GIS needs and with developing a variety of cutting edge applications.
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DALIS Web is the division’s latest creation and since July 15th, 2005 when the application went live, it has received over half a million hits per month! This application is based on ArcIMS and .NET technology and was developed in-house. It includes over 50 data layers and has many new features such as custom searches, census information, and access to many different recorded documents.