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Washington County, MO Parcels & GIS Data

Washington County, MO parcel data: 31,948 property records with owner names, assessed values, land use, acreage, and addresses. Preview and download.

Land Records publishes Washington County, Missouri parcel data covering 31,948 property records.

This page documents parcel-level coverage for Washington County, Missouri. Each parcel record carries its boundary polygon (GIS geometry) along with attributes such as the parcel ID/APN, owner name and mailing address, situs (property) address, assessed land and improvement values, acreage, land-use and zoning codes, year built, and most recent sale price and date. Exact fill rates for Washington County are listed in the attribute-coverage table below. Preview the data in the interactive explorer, or download the complete Washington County property dataset.

Washington County is a county located in the southeastern part of the U.S. state of Missouri. As of the 2020 United States census, the population was 23,514. The county seat and largest city is Potosi.

FIPS 29221

Official county website: http://www.washingtoncountymo.us/

The FIPS code for Washington County is 29221.

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Attribute coverage

Washington County contains 31,948 parcels in the current dataset. Column coverage is the percentage of those parcels for which the attribute is populated (non-NULL).

ColumnCoverageRecords populated
lrid100%31,948
parcelid99.9%31,925
parcelid283.6%26,703
ogparcelid100%31,947
ogparcelid283.7%26,745
parentid<0.1%0
stackid<0.1%0
geoid100%31,948
statefp100%31,948
countyfp100%31,948
countyname100%31,948
cousubfp100%31,948
cousubname100%31,948
tractce100%31,948
tractname100%31,948
taxacctnum83.4%26,659
taxyear100%31,948
taxdistrict83.7%26,742
usecode83.7%26,742
usedesc0.6%201
zoningcode<0.1%0
zoningdesc<0.1%0
numbldgs54.6%17,439
numunits37.1%11,862
yearbuilt83.7%26,746
numfloors15.8%5,061
bldgsqft7.0%2,244
bedrooms<0.1%0
halfbaths<0.1%0
fullbaths<0.1%0
imprvalue83.7%26,746
landvalue83.7%26,746
agvalue83.7%26,746
totalvalue83.7%26,746
taxacres83.7%26,742
calcarea100%31,948
saleamt<0.1%0
saledate14.1%4,489
ownertype99.8%31,889
ownername99.8%31,889
owneraddr78.4%25,040
ownercity83.7%26,742
ownerstate83.7%26,742
ownerzip83.7%26,742
parceladdr95.8%30,607
parcelcity84.0%26,849
parcelstate100%31,948
parcelzip100%31,948
legaldesc83.7%26,745
township83.8%26,761
section83.8%26,761
qtrsection83.8%26,761
range83.8%26,761
plssdesc83.8%26,761
book83.7%26,743
page83.7%26,743
block<0.1%0
lot<0.1%0
parceltype<0.1%15
accesstype1.6%506
iucnclass1.6%501
placename10.7%3,429
placetype3.2%1,014
firmid100%31,946
firmdate100%31,946
fldzone100%31,946
zonesubty97.1%31,025
staticbfe<0.1%2
elevmin96.5%30,829
elevmax96.5%30,829
elevavg96.5%30,829
fireplaces<0.1%0
heating<0.1%0
heatfuel<0.1%0
cooling<0.1%0
foundation<0.1%0
roofcover<0.1%0
siding<0.1%0
bldgtype<0.1%0
naicscode17.0%5,427
frsid<0.1%0
dfrurl<0.1%0
caapermit<0.1%0
cwapermit<0.1%0
rcrapermit<0.1%0
updated94.0%30,042
centroidx100%31,948
centroidy100%31,948
surfpointx100%31,948
surfpointy100%31,948
geom100%31,948
extras100%31,948
ownerlist84.3%26,925
placefp8.1%2,587
zoningurl<0.1%0

Schema mapping

How source columns from the acquired Washington County GIS layers map into the harmonized entity schemas and assemble into the published parcel table, alongside supplemented fields (elevation, flood zone) and deterministic columns.

Schema mapping — Washington County, Missouri (29221) 1 entity · most recent acquisition per entity · generated 2026-08-30 direct column transformed (expression) geometry extras json supplemented determined ALL ENTITIES → FINAL PARCEL SCHEMA Harmonized entity columns assemble into publish.parcel_layer — matched by column name. Supplemented fields show their fill rate in this county. SOURCE COLUMNS HARMONIZED ENTITIES PUBLISH.PARCEL_LAYER PARCEL pin alternate_ property_n land_use year_built ag_bldg_va com_bldg_v res_bldg_v com_land_v res_land_v ag_land_va total_valu gross_acre deeddate1 name1 name2 mailto_add mailto_a_1 mailto_cit mailto_sta mailto_zip situsaddre situs_city situs_stat site_zip legal_desc township_n deedbook1 pageno1 geom school_nam deedacres mapacres gis_ac tax_code township rural_town tax_status lot_dimens owner1_id document_n coname1_ad address1 city1 state1 zip1 owner2_id document_1 deeddate2 deedbook2 pageno2 coname2_ad address2 city2 state2 zip2 mailto_nam mailto_n_1 app_ag_lan app_ag_bld app_com_la app_com_bl app_res_la app_res_bl total_app_ ag1_acres ag2_acres ag3_acres ag4_acres ag5_acres ag6_acres ag7_acres ag8_acres res_acres com_acres tax_billed ambulance_ ambulance1 ambulanc_1 county_cod county_nam county_amt city_munic city_mun_1 city_mun_2 fire_code fire_name fire_amt library_co library_na library_am other_dist other_di_1 other_di_2 road_code road_name road_amt school_cod school_amt state_code state_name state_amt county_rb_ county_rb1 county_r_1 drainage_c drainage_n drainage_a health_cen health_c_1 health_c_2 noncollect noncolle_1 noncolle_2 nursing_ho nursing__1 nursing__2 senior_cen senior_c_1 senior_c_2 special_di special__1 special__2 surtax_cod surtax_nam surtax_amt sheltered_ sheltered1 sheltere_1 tif_distri tif_dist_1 tif_dist_2 watershed_ watershed1 watershe_1 base_area main_base_ asr_neighb parcelid parcelid2 taxacctnum usecode yearbuilt imprvalue landvalue agvalue totalvalue taxacres saledate ownername owneraddr ownercity ownerstate ownerzip parceladdr parcelcity parcelstate parcelzip legaldesc township book page geom taxdistrict extras determined · ground truth 100% lrid 100% geoid 100% statefp 100% countyfp 100% countyname 100% cousubfp 100% cousubname 100% tractce 100% tractname 100% taxyear 94.0% updated geom · derived from geometry geom dem.us_1m · USGS 1m DEM 96.5% elevmin 96.5% elevmax 96.5% elevavg s_fld_haz_ar · FEMA NFHL 100% fldzone 97.1% zonesubty 0.0% staticbfe 100% firmdate 100% firmid supplemented · derived / other pipelines 54.6% numbldgs 83.8% section 83.8% qtrsection 83.8% range 83.8% plssdesc 84.3% ownerlist lrid parcelid parcelid2 ogparcelid ogparcelid2 geoid statefp countyfp countyname cousubfp cousubname tractce tractname taxacctnum taxyear taxdistrict usecode numbldgs yearbuilt imprvalue landvalue agvalue totalvalue taxacres calcarea saledate ownertype ownername owneraddr ownercity ownerstate ownerzip parceladdr parcelcity parcelstate parcelzip legaldesc township section qtrsection range plssdesc book page firmid firmdate fldzone zonesubty staticbfe elevmin elevmax elevavg updated centroidx centroidy surfpointx surfpointy geom extras ownerlist publish.parcel_layer columns not fed by these sources (35) — empty or below 50% fill in this county parentid, stackid, usedesc, zoningcode, zoningdesc, numunits, numfloors, bldgsqft, bedrooms, halfbaths, fullbaths, saleamt, block, lot parceltype, accesstype, iucnclass, placename, placetype, fireplaces, heating, heatfuel, cooling, foundation, roofcover, siding, bldgtype naicscode, frsid, dfrurl, caapermit, cwapermit, rcrapermit, placefp, zoningurl PARCEL 27 mapped · 6 transformed · 28 unmapped (NULL) SOURCE COLUMNS HARMONIZED → PARCEL pin alternate_ property_n land_use year_built ag_bldg_va com_bldg_v res_bldg_v com_land_v res_land_v ag_land_va total_valu gross_acre deeddate1 name1 name2 mailto_add mailto_a_1 mailto_cit mailto_sta mailto_zip situsaddre situs_city situs_stat site_zip legal_desc township_n deedbook1 pageno1 geom school_nam deedacres mapacres gis_ac tax_code township rural_town tax_status lot_dimens owner1_id document_n coname1_ad address1 city1 state1 zip1 owner2_id document_1 deeddate2 deedbook2 pageno2 coname2_ad address2 city2 state2 zip2 mailto_nam mailto_n_1 app_ag_lan app_ag_bld app_com_la app_com_bl app_res_la app_res_bl total_app_ ag1_acres ag2_acres ag3_acres ag4_acres ag5_acres ag6_acres ag7_acres ag8_acres res_acres com_acres tax_billed ambulance_ ambulance1 ambulanc_1 county_cod county_nam county_amt city_munic city_mun_1 city_mun_2 fire_code fire_name fire_amt library_co library_na library_am other_dist other_di_1 other_di_2 road_code road_name road_amt school_cod school_amt state_code state_name state_amt county_rb_ county_rb1 county_r_1 drainage_c drainage_n drainage_a health_cen health_c_1 health_c_2 noncollect noncolle_1 noncolle_2 nursing_ho nursing__1 nursing__2 senior_cen senior_c_1 senior_c_2 special_di special__1 special__2 surtax_cod surtax_nam surtax_amt sheltered_ sheltered1 sheltere_1 tif_distri tif_dist_1 tif_dist_2 watershed_ watershed1 watershe_1 base_area main_base_ asr_neighb parcelid parcelid2 taxacctnum usecode yearbuilt imprvalue (COALESCE(ag_bldg_va, 0) + COALESCE(com_bldg_v, 0) + COALESCE(r… landvalue (COALESCE(com_land_v, 0) + COALESCE(res_land_v, 0))::text agvalue totalvalue taxacres saledate CASE WHEN deeddate1 IS NULL OR deeddate1 = -2208988800000 THEN … ownername NULLIF(trim(concat_ws(';', NULLIF(trim(name1), ''), NULLIF(trim… owneraddr NULLIF(trim(concat_ws(' ', NULLIF(trim(mailto_add), ''), NULLIF… ownercity ownerstate ownerzip parceladdr parcelcity parcelstate parcelzip legaldesc township book page geom taxdistrict extras ( json_build_object( 'deedacres', deedacres::text, 'mapacres', … not present in source — filled with NULL (28) taxyear, usedesc, zoningcode, zoningdesc, numbldgs, numunits, numfloors, bldgsqft, bedrooms, halfbaths, fullbaths, saleamt, section, qtrsection range, plssdesc, block, lot, updated, sourceurl, parentid, heatfuel, fireplaces, heating, cooling, foundation, roofcover, siding

Neighboring counties

Parcel data for counties bordering Washington County:

Frequently asked questions

Where can I find Washington County, MO parcel and GIS data?

Land Records publishes a Washington County, MO parcel dataset in which every parcel carries its boundary polygon (GIS geometry) along with ownership, assessed value, land use, acreage, and sale history. Preview it in the interactive explorer on this page, or download the full Washington County, MO dataset as a GeoPackage or CSV.

How many parcels are in Washington County, MO?

The current dataset contains 31,948 parcel records for Washington County, MO, each with its boundary geometry and assessor attributes.

What is the FIPS code for Washington County, MO?

The FIPS code for Washington County, MO is 29221.

What information does each Washington County, MO parcel record include?

Each Washington County, MO parcel record includes the parcel ID/APN, owner name and mailing address, situs (property) address, assessed land and improvement values, acreage, land-use and zoning codes, year built, and the most recent sale price and date — plus the parcel boundary polygon. Per-attribute fill rates are listed in the coverage table on this page.

Is Washington County, MO parcel data free?

You can preview Washington County, MO parcels for free in the interactive explorer. The complete dataset is available as a one-time download or through the nationwide parcel web service; see the download options on this page for current pricing.

Does Washington County, MO have an official GIS or property records website?

Yes — the official Washington County, MO government website is linked in the county details above. Land Records standardizes Washington County, MO assessor and recorder records into a single nationwide parcel schema with GIS boundary geometry.

On this page

Attribute coverageSchema mappingNeighboring countiesFAQRelated