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.

Featured News & Events

July 2025 Significant Dates:

July 4th, 2025 – Delaware County Auditors Office is closed for the July 4th Holiday.  Office will reopen on Monday, July 7th.

July 31st, 2025 – Final day for Geometry updates for the month by the GIS Department. 

August 1st, 2025 – Geographic data updated on the Auditor’s GIS Website.

August 3rd, 2025 – Geographic data available for download on FTP site and on GIS Data Hub.

August 4th, 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