How to contact the delaware county sheriffs office? Contact for questions about: employment verification, job opportunities with Delaware County for all employees except those employed by the Sheriff’s Office (see below for Sheriff’s Office HR contact). Location: 91 N. Sandusky St., 3rd Floor, Delaware, OH 43015. Main Phone Number: (740) 833-2120. Fax: (740) 833-2119. Website. Email Human ResourcesHow do i contact the delaware county engineers office? If you have a question or comment involving a Delaware County-owned road or bridge, you can send an email to the Engineer’s Office or call them at (740) 833-2400. If you have a question about paying property taxes, you can send an email to the Treasurer’s Office or call them at (740) 833-2480.How do i contact delaware county auditors office? If you have a question about your property’s tax assessment, you can send an email to the Auditor’s Office or call them at (740) 833-2909. If you have a question about the sales taxes that Delaware County collects, you can send an email to the Auditor’s Office or call them at (740) 833-2909.How do i contact the delaware county traffic court? Send an email to [email protected] or call (740) 833-2500 or send a request via fax to (740) 833-2499. For all non-juvenile traffic court cases or tickets, please call the Delaware Municipal Court at (740) 203-1550. For juvenile cases, call the Delaware County Juvenile Traffic Court at (740) 833-2595.