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Adams County, WA Parcels & GIS Data

Adams County, WA parcel data: 13,577 property records with owner names, assessed values, land use, acreage, and addresses. Preview and download.

Land Records publishes Adams County, Washington parcel data covering 13,577 property records.

This page documents parcel-level coverage for Adams County, Washington. 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 Adams County are listed in the attribute-coverage table below. Preview the data in the interactive explorer, or download the complete Adams County property dataset.

Adams County is a county in the U.S. state of Washington. As of the 2020 census, the population was 20,613. The county seat is Ritzville, and its largest city is Othello.

FIPS 53001

Official county website: http://www.co.adams.wa.us

The FIPS code for Adams County is 53001.

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Attribute coverage

Adams County contains 13,577 parcels in the current dataset. Column coverage is the percentage of those parcels for which the attribute is populated (non-NULL).

ColumnCoverageRecords populated
lrid100%13,577
parcelid100%13,577
parcelid2100%13,577
ogparcelid100%13,577
ogparcelid2100%13,577
parentid<0.1%0
stackid<0.1%0
geoid100%13,577
statefp100%13,577
countyfp100%13,577
countyname100%13,577
cousubfp100%13,577
cousubname100%13,577
tractce100%13,577
tractname100%13,577
taxacctnum<0.1%0
taxyear<0.1%0
taxdistrict100%13,577
usecode99.9%13,560
usedesc99.5%13,514
zoningcode<0.1%0
zoningdesc<0.1%0
numbldgs51.2%6,953
numunits47.8%6,487
yearbuilt<0.1%0
numfloors<0.1%0
bldgsqft<0.1%0
bedrooms<0.1%0
halfbaths<0.1%0
fullbaths<0.1%0
imprvalue48.2%6,548
landvalue91.8%12,464
agvalue1.0%139
totalvalue91.5%12,428
taxacres<0.1%0
calcarea100%13,577
saleamt<0.1%0
saledate<0.1%0
ownertype99.5%13,514
ownername99.5%13,514
owneraddr98.8%13,412
ownercity98.8%13,410
ownerstate98.8%13,410
ownerzip98.8%13,409
parceladdr58.2%7,907
parcelcity35.0%4,753
parcelstate100%13,577
parcelzip100%13,577
legaldesc99.5%13,510
township100%13,574
section100%13,574
qtrsection100%13,574
range100%13,574
plssdesc100%13,574
book<0.1%0
page<0.1%0
block<0.1%0
lot<0.1%0
parceltype2.6%359
accesstype2.6%359
iucnclass2.5%346
placename5.4%737
placetype5.3%726
firmid99.7%13,531
firmdate99.7%13,531
fldzone99.7%13,531
zonesubty95.6%12,978
staticbfe<0.1%0
elevmin74.2%10,074
elevmax74.2%10,074
elevavg74.2%10,074
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
naicscode5.4%737
frsid<0.1%0
dfrurl<0.1%0
caapermit<0.1%0
cwapermit<0.1%0
rcrapermit<0.1%0
updated100%13,577
centroidx100%13,577
centroidy100%13,577
surfpointx100%13,577
surfpointy100%13,577
geom100%13,577
extras100%13,577
ownerlist99.4%13,502
placefp36.2%4,916
zoningurl<0.1%0

Schema mapping

How source columns from the acquired Adams 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 — Adams County, Washington (53001) 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 parcel_id_nr orig_parcel_id landuse_cd value_bldg value_land situs_address situs_city_nm situs_zip_nr data_link geom county_nm 4 cols ⇢ parcelid parcelid2 usecode imprvalue landvalue parceladdr parcelcity parcelzip sourceurl 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% updated geom · derived from geometry geom dem.us_1m · USGS 1m DEM 74.2% elevmin 74.2% elevmax 74.2% elevavg s_fld_haz_ar · FEMA NFHL 100% fldzone 95.6% zonesubty 100% firmdate 100% firmid supplemented · derived / other pipelines 100% usedesc 51.2% numbldgs 91.5% totalvalue 100% ownertype 100% ownername 98.8% owneraddr 98.8% ownercity 98.8% ownerstate 98.8% ownerzip 100% parcelstate 100% legaldesc 100% township 100% section 100% qtrsection 100% range 100% plssdesc 99.4% ownerlist lrid parcelid parcelid2 ogparcelid ogparcelid2 geoid statefp countyfp countyname cousubfp cousubname tractce tractname taxdistrict usecode usedesc numbldgs imprvalue landvalue totalvalue calcarea ownertype ownername owneraddr ownercity ownerstate ownerzip parceladdr parcelcity parcelstate parcelzip legaldesc township section qtrsection range plssdesc firmid firmdate fldzone zonesubty elevmin elevmax elevavg updated centroidx centroidy surfpointx surfpointy geom extras ownerlist publish.parcel_layer columns not fed by these sources (43) — empty or below 50% fill in this county parentid, stackid, taxacctnum, taxyear, zoningcode, zoningdesc, numunits, yearbuilt, numfloors, bldgsqft, bedrooms, halfbaths, fullbaths agvalue, taxacres, saleamt, saledate, book, page, block, lot, parceltype, accesstype, iucnclass, placename, placetype, staticbfe, fireplaces heating, heatfuel, cooling, foundation, roofcover, siding, bldgtype, naicscode, frsid, dfrurl, caapermit, cwapermit, rcrapermit, placefp zoningurl PARCEL 11 mapped · 4 kept in extras · 43 unmapped (NULL) SOURCE COLUMNS HARMONIZED → PARCEL parcel_id_nr orig_parcel_id landuse_cd value_bldg value_land situs_address situs_city_nm situs_zip_nr data_link geom county_nm parcelid parcelid2 usecode imprvalue landvalue parceladdr parcelcity parcelzip sourceurl geom taxdistrict extras · 4 source columns preserved as json fips_nr, sub_address, orig_landuse_cd, globalid extras not present in source — filled with NULL (43) taxacctnum, taxyear, usedesc, zoningcode, zoningdesc, numbldgs, numunits, yearbuilt, numfloors, bldgsqft, bedrooms, halfbaths, fullbaths agvalue, totalvalue, taxacres, saleamt, saledate, ownername, owneraddr, ownercity, ownerstate, ownerzip, parcelstate, legaldesc, township section, qtrsection, range, plssdesc, book, page, block, lot, updated, parentid, fireplaces, heating, cooling, foundation, roofcover, siding heatfuel

Neighboring counties

Parcel data for counties bordering Adams County:

Frequently asked questions

Where can I find Adams County, WA parcel and GIS data?

Land Records publishes a Adams County, WA 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 Adams County, WA dataset as a GeoPackage or CSV.

How many parcels are in Adams County, WA?

The current dataset contains 13,577 parcel records for Adams County, WA, each with its boundary geometry and assessor attributes.

What is the FIPS code for Adams County, WA?

The FIPS code for Adams County, WA is 53001.

What information does each Adams County, WA parcel record include?

Each Adams County, WA 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 Adams County, WA parcel data free?

You can preview Adams County, WA 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 Adams County, WA have an official GIS or property records website?

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

On this page

Attribute coverageSchema mappingNeighboring countiesFAQRelated