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LaSalle County · property records

LaSalle County property records & parcel data.

Look up property records in LaSalle County, IL — find who owns a property, plus mailing address, assessor & tax value, land use and APN. tracts pulls 70,381 parcels directly from the LaSalle County parcel layer, with the source and pull date stamped on every record. Search a live sample below, or get the full LaSalle County dataset as a bulk file or API feed.

Or ask our research agent about LaSalle County.

Tax-delinquent list

We don’t have tax-delinquent inventory for LaSalle County yet — that coverage is currently 19 Florida counties, built from county advertised certificate lists. See which counties are covered.

Search LaSalle County property records

Free property records lookup.

Find who owns a property — search by owner name, address, or APN. This is a live sample; the full dataset is available as a bulk file or through the API.

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APNOwnerAddressLand useYearAssessed value

Looking up a single address? Run a full property report — owner, valuation, sale history and tax-delinquency status for one address, with the county source and pull date on every field.

Get the full LaSalle County dataset

The complete county file — owner, mailing, assessor value, full lineage — by bulk download or API.

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Data overview

What's in the dataset.

County
LaSalle County, IL
FIPS
17099
County seat
Ottawa
Population
108,390
Data source
LaSalle County parcel layer
Source type
Verified county layer
Parcels
70,381
State coverage
51 / 102 counties
Lineage
Source + pull date on every record
LaSalle County parcel layer·Pulled June 2026
Packaged for your vertical

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FAQ

Common questions about LaSalle County data.

Financing a deal here? 8 hard money lenders were active in LaSalle County in 2024 see who is lending and at what rates.