LaSalle County, Illinois: parcel data and property records
69,145 LaSalle County parcels on one searchable map: owner of record and mailing address 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 LaSalle 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 LaSalle County: assessed values, land or improvement value, land use or property class and vacancy. Those fields are carried where the county publishes them.
Most recent recorded sale on file: 2026-11-06.
Areas covered
Parcel counts by place, largest first: Ottawa (10,683), Earlville (1,496), Leland (902), Somonauk (790), Mendota (391).
Recent sales
2,424 LaSalle County parcels have a recorded sale dated since November 2025. Across 2,120 priced sales, with a deed recorded on several parcels counted once, the median price was $165,000 and the middle half sold between $87,000 and $280,000.
Nearest counties
- Putnam County: about 23 mi away, 7,228 parcels
- Grundy County: about 25 mi away, 27,309 parcels
- Kendall County: about 29 mi away, 59,664 parcels
- Marshall County: about 32 mi away, 13,212 parcels
- Bureau County: about 34 mi away, 26,149 parcels
Search LaSalle County parcels
The map is free to browse - parcel lines, boundaries, and location. Owner of record, 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 LaSalle County map See plans
Common questions
How many parcels are in LaSalle County, Illinois?
Parcelio carries 69,145 parcel records for LaSalle County, Illinois, with owner information on 100 percent of them.
Can I find out who owns a property in LaSalle County?
Yes. Search by owner name, address, or parcel number to pull the record: owner of record and mailing address, recorded sales, year built and lot lines on the map. Sale records here currently run through 2026-11-06.
How do I find vacant land or absentee owners in LaSalle County?
We do not hold vacancy data for LaSalle County yet, so this filter has nothing to match there. Vacancy filters work in the counties where we hold the field. LaSalle County does have owner mailing state: 2,967 parcels have an owner mailing address outside Illinois.
Can I search LaSalle County by lot size or acreage?
Yes. Acreage is on 99 percent of LaSalle 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.