Delaware County GIS

Mapping for the Digital Age

The Delaware County GIS Office maintains the digital cadastral base map for all county offices. It is our goal to be a county-wide service-driven resource, assisting in developing or providing spatial solutions which enable our citizens and local government partners to accomplish their business purposes.

Auditor's GIS Website

Find information on a property quickly and easily.

AppraisalViewer_1

Real Estate Search

Dig deeper into our parcel data by accessing the Auditor’s Real Estate data.

Open-Data-Portal_icon-1

Download GIS data in spreadsheet, shapefile and KML, or linked via API

GIS Data Extract

Extract Delaware County GIS data in various formats, and areas of interest.

Plat & Survey Finder

Easily find, print and/or download a recorded document associated to a tax parcel.

Featured News & Events

April 2025 Significant Dates:

April 22nd, 2025 – Earth Day observances for a healthy planet.

April 24th, 2025 – Final day for Geometry updates for the month and 2024 by the GIS Department.

April 26th, 2025 – Geographic data updated on the Auditor’s GIS Website.

April 28th, 2025 – Geographic data available for download on FTP site and on GIS Data Hub.

May 29th, 2025 – Delaware County GIS Department monthly server and database maintenance.

Contact

145 N. Union St.
Delaware, Ohio 43015

Phone
(740) 833-2070

Email:

delco-gis@co.delaware.oh.us

Fax
(740) 833-2069

Hours

Monday-Friday

8:30 am to 4:30 pm