LandBrief

St. Charles County

Parcel & Property Data

170,487Total Parcels
—Avg. Market Value
341,777Total Acres (measured from parcel boundaries)

About This Data

LandBrief holds 170,487 parcel records for St. Charles County, sourced from county records. Each includes the parcel boundary, and — where the county publishes them — owner, situs address, acreage, assessed values and legal description.

Data from the St. Charles County assessor roll dated June 2025, loaded August 2026. See data sources for every county’s vintage.

Explore St. Charles County

St. Charles County by the Numbers

Median parcel size
0.23 acres
measured from mapped boundaries
90th-percentile parcel
2.1 acres
County land area
358,721 acres
U.S. Census measurement
Communities
24
4.0% of parcels outside any incorporated place
Out-of-state owners
3.3% of parcels
by owner mailing address

Who Owns St. Charles County?

Share of the county’s 170,487 parcels by the kind of owner on record. Classified from owner names, so the boundaries are approximate; an entity the rules cannot place counts as an individual.

Owner typeShare of parcels
Individuals73.1%
Companies & organizations14.1%
Trusts & estates11.5%
Government1.0%
Other / unclassified0.2%

The largest owner on record is ST CHARLES COUNTY with 428 parcels — see the full landowner leaderboard.

Parcel Records (~170,487 total)

per page
Parcel IDOwnerAddressCityAcreage
4-0030-4289-05-0002.0000000WALTRUST PROPERTIES INC10 E HWY NUnincorporated2.79 †
4-0030-S001-00-0061.3100000WILLIAMS TROY J JR*WILLIAMS WENDY M230 E HWY NUnincorporated13.15 †
4-0030-S001-00-0062.0000000SCOTT LAVERN L*SCOTT DENISE M REVOCE LIV TRUST350 E HWY NUnincorporated6.64 †
4-0030-S001-00-0064.0000000POLITI PETER*POLITI CHARLENE TRUST410 E HWY NUnincorporated4.58 †
4-0062-2669-00-0064.0000000POLITI PETER*POLITI CHARLENE TRUST410 E HWY NUnincorporated4.30 †
4-0062-2669-00-0015.1000000ST CHARLES COUNTY CATHOLIC CHURCH REAL EST TRUST450 E HWY NUnincorporated0.45 †
4-0038-S007-00-0015.1000000ST CHARLES COUNTY CATHOLIC CHURCH REAL EST TRUST460 E HWY NUnincorporated24.37 †
4-0038-S007-00-0016.1000000WALLER LINDA A*WALLER LARRY W780 E HWY NUnincorporated3.04 †
4-0038-S008-00-0005.9000000STEINMANN ROGER O*STEINMANN THERESA L870 E HWY NUnincorporated18.74 †
4-0038-S008-00-0005.0000000BARNETT R STEPHEN*BARNETT CATHERINE M890 E HWY NUnincorporated3.98 †
Page 1 of 17049

Download St. Charles County parcel data

All 170,487 parcels in St. Charles County as a single file — free, no account needed. Shapefile, GeoJSON, GeoPackage, CSV and Parquet.

Get St. Charles County on FreeParcelData →

Nearby counties

Frequently Asked Questions

How many parcels are in St. Charles County?

The St. Charles County assessor roll on file records 170,487 parcels across 24 communities, with 4.0% lying outside any incorporated place.

Who owns the most land in St. Charles County?

ST CHARLES COUNTY holds 428 parcels, the most of any owner on record — the largest-landowners leaderboard ranks the top 25.

What is the typical parcel size in St. Charles County?

Measured from mapped boundaries, the median parcel is 0.23 acres, and nine parcels in ten are under 2.1 acres. Boundary-measured area closely tracks deeded acreage but is not the deed.

How much of St. Charles County is owned from out of state?

3.3% of parcels list an owner mailing address outside MO, per the county’s own records.

How much of St. Charles County is government-owned?

Government entities — federal, state, and local — hold 1.0% of the county’s parcels, classified from owner names on the roll.

How current is this data?

It comes from the St. Charles County assessor roll dated June 2025. Counties deliver on their own schedules; the methodology page explains how records are processed and the data sources page tracks every county’s vintage.

Browse by City (24)

170,487 parcels across 24 communities in St. Charles County.