Seneca County, OhioProperty records & tax offices
Links open the listed public-office or service-provider website in a new tab. This directory does not collect payments.
Find the right property record
Use the property portal for ownership and assessed value, the collector for a bill or balance, and the map for parcel location. Have the address, owner name, or parcel number ready.
Tax bills & filing dates
These are the dates and qualifications recorded in the directory. Confirm your tax year and current deadline with the official office and your property’s notice.
- Payment deadline
- Real estate: first half February 20, 2026; second half July 31, 2026. Manufactured home: first half March 2, 2026; second half July 31, 2026.
- Assessment appeal
- January 1–March 31, 2026 for Board of Revision complaints; Seneca's official page publishes the annual schedule.
Exemptions & appeals
View exemption application (opens in a new tab)Senior relief
Seneca's official forms and homestead program use DTE 105A/DTE 105I for qualifying owners age 65 or older, permanently and totally disabled owners, and surviving spouses who own and occupy the home as of January 1; income eligibility is governed by current Ohio law.
Valuation limits
No general countywide parcel-value cap was published. Ohio real property is assessed at 35% of market value, with sexennial reappraisals and triennial updates; HB 920 reduction factors and the 20-mill floor limit voted-levy revenue growth. Effective March 20, 2026, HB 186 creates an Inflation Cap Credit for qualifying school-district/JVS levy revenue growth; it is a tax credit/collection limitation, not a general cap on appraised or taxable parcel value.
For a valuation appeal, use the appeal date in the tax and filing section above. Keep your notice, supporting evidence, and proof of submission.
More exemption & appeal guidance →