Welcome to the Seneca County Auditors website! To begin using the system, click on the Searches link above, or simply use the QuickSearch feature at the top of the page.



Disclaimer: Seneca County, Ohio Data is property of Seneca County, Ohio. This data has been derived from public records that are constantly undergoing change and is not warranted for content or accuracy. Seneca County cannot be held liable for errors or omissions in the data.



2020 values are now available


Auditor Portrait

Contact Us

109 S. Washington St. Suite 2206
Tiffin, OH 44883

(419) 447-0692

(419) 448-5055

Mon-Fri, 8:30AM-4:30PM



Click here to register


Congratulations to Dalton and Nellie, winners of the 2021 #1 Seneca County dog license!

Public Information

The Seneca county Auditor's office handles requests for information via telephone, 419-447-0692; fax 419-448-5055 and walk-in inquiries in our office on the second floor of the Seneca County RTA Building, 109 S. Washington Street, Tiffin, Ohio.

Information is also available on-line, www.Senecacountyauditor.org.

NEW - The Wireless Emergency Notification System (WENS)

A free service allowing users to receive emergency alerts & NOAA weather warnings via text, email, or voice. For more information and to sign up, click the link below.

WENS information and Signup

NEW! Veterans' Exemption

With passage of House Bill 59, the State Biennium Budget Bill (ORC 5709.17), a tax exemption was created for real property held or occupied by veterans or fraternal organizations. Read more about the new Veterans' Exemption.

Directory of Government Officials and Services
Seneca County Levy Calculator

What is Levy Calculator?
For an upcoming Election, Levy Calculator shows how much your property tax may increase if certain levies are passed in an upcoming election.

Where is Levy Calculator located on the website?
Levy Calculator is available on the Levies tab. Just use the Search features to find your property then click the Levies tab to view levy data for your property.

Tax Estimator

The Tax Estimator will calculate your annual property tax amounts based on current tax rates and a property valuation you specify. Click HERE started!