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St. Louis County · property records

St. Louis County property records & parcel data.

Look up property records in St. Louis County, MO — find who owns a property, plus mailing address, assessor & tax value, land use and APN. tracts pulls 401,473 parcels directly from the St. Louis County parcel layer, with the source and pull date stamped on every record. Search a live sample below, or get the full St. Louis County dataset as a bulk file or API feed.

Or ask our research agent about St. Louis County.

Tax-delinquent list

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

Search St. Louis 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 St. Louis 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
St. Louis County, MO
FIPS
29189
County seat
Clayton
Population
992,929
Data source
St. Louis County parcel layer
Source type
Verified county layer
Parcels
401,473
State coverage
23 / 115 counties
Lineage
Source + pull date on every record
St. Louis County parcel layer·Pulled June 2026
Packaged for your vertical

Same parcels, different buyer.

The same St. Louis County records, packaged for each buyer vertical.

FAQ

Common questions about St. Louis County data.

Financing a deal here? 32 hard money lenders were active in St. Louis County in 2024 see who is lending and at what rates.