JB PARCELSt. Louis County, Missouri: parcel data and property records
401,435 St. Louis 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 vacancy, absentee ownership, acreage, year built and owner tenure.
What the data covers
These bars show real field-by-field coverage for St. Louis 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 St. Louis County: deeded acreage. Those fields are carried where the county publishes them.
Most recent recorded sale on file: 2026-01-20.
Areas covered
Parcel counts by place, largest first: Unincorporated (125,254), Florissant (19,789), Chesterfield (19,698), Wildwood (14,686), University City (12,908).
Search St. Louis 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 St. Louis County map See plans
Common questions
How many parcels are in St. Louis County, Missouri?
JB PARCEL carries 401,435 parcel records for St. Louis County, Missouri, with owner information on 100 percent of them.
Can I find out who owns a property in St. Louis 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 2026-01-20.
How do I find vacant land or absentee owners in St. Louis County?
The advanced search filters do it directly: St. Louis County has 20,733 parcels marked vacant and 23,500 with an owner mailing address outside Missouri - two of the most common starting points for investors sourcing off-market deals.
Can I search St. Louis County by lot size or acreage?
Yes. Acreage is on 36 percent of St. Louis 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.