Links for Additional Resources Delaware County Homepage Delaware County Auditor GIS Data Hub Delaware County Board of Elections Delaware County Code Compliance Delaware County Emergency Management Delaware County Engineer Delaware County Recorder Delaware County Regional Sewer District Delaware County Soil & Water Delco Water Company Delaware County Regional Planning Map Hub 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