ParcelioSeneca County, Ohio: parcel data and property records
34,511 Seneca County parcels on one searchable map: owner of record and mailing address, assessed and appraised values and recorded sales, plus lot boundaries and location. Screen by absentee ownership, acreage, year built and owner tenure.
What the data covers
These bars show real field-by-field coverage for Seneca County in our database, so you know exactly what you are getting before you search. Numbers refresh as the county publishes new records.
Not held for Seneca County: zoning and vacancy. Those fields are carried where the county publishes them.
Most recent recorded sale on file: 2026-09-14.
Areas covered
Parcel counts by place, largest first: Tiffin (8,560), Fostoria (5,060), Bloomville (603), Attica (556), Republic (479).
Recent sales
1,773 Seneca County parcels have a recorded sale dated since November 2025. Across 550 priced sales, with a deed recorded on several parcels counted once, the median price was $160,000 and the middle half sold between $93,000 and $235,000.
Land use mix
The most common land use or property class on file, as the county writes it, by share of parcels with one: 510: Res-Single Family 32%, 511: Res-Custom Code 16%, 110: Agr-CAUV-Vacant Land 12%, 500: Res-Vacant Land 9%, 111: Agr-CAUV-Cash-Grain Farm 4%.
Nearest counties
- Sandusky County: about 17 mi away, 33,019 parcels
- Crawford County: about 22 mi away, 33,640 parcels
- Wyandot County: about 22 mi away, 20,072 parcels
- Huron County: about 28 mi away, 39,482 parcels
- Hancock County: about 29 mi away, 37,929 parcels
Search Seneca County parcels
The map is free to browse - parcel lines, boundaries, and location. Owner of record, assessed values, recorded sales, year built and the full parcel report come with a plan that costs less than one hour of a title runner's time.
Explore the Seneca County map See plans
Common questions
How many parcels are in Seneca County, Ohio?
Parcelio carries 34,511 parcel records for Seneca County, Ohio, with owner information on 99 percent of them.
Can I find out who owns a property in Seneca County?
Yes. Search by owner name, address, or parcel number to pull the record: owner of record and mailing address, assessed values, recorded sales, year built and lot lines on the map. Sale records here currently run through 2026-09-14.
How do I find vacant land or absentee owners in Seneca County?
We do not hold vacancy data for Seneca County yet, so this filter has nothing to match there. Vacancy filters work in the counties where we hold the field. Seneca County does have owner mailing state: 829 parcels have an owner mailing address outside Ohio.
Can I search Seneca County by lot size or acreage?
Yes. Acreage is on 99 percent of Seneca County parcels, mapped from the parcel boundary, and the advanced search filters on it directly - set a minimum and maximum to pull every tract in that range, then stack vacancy or absentee ownership on top.