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Adams County, CO Parcels & GIS Data

Adams County, CO parcel data: 188,542 property records with owner names, assessed values, land use, acreage, and addresses. Preview and download.

Land Records publishes Adams County, Colorado parcel data covering 188,542 property records.

This page documents parcel-level coverage for Adams County, Colorado. 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 located in the U.S. state of Colorado. As of the 2020 United States census, the population was 519,572. The county seat is Brighton, and the largest city is Thornton.

FIPS 08001

Official county website: https://www.adcogov.org

The FIPS code for Adams County is 08001.

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Attribute coverage

Adams County contains 188,542 parcels in the current dataset. Column coverage is the percentage of those parcels for which the attribute is populated (non-NULL). For the LBCS columns, only real classifications count: the to-be-determined and not-applicable placeholder codes are excluded.

ColumnCoverageRecords populated
lrid100%188,542
parcelid100%188,542
parcelid2<0.1%0
ogparcelid100%188,542
ogparcelid2<0.1%0
parentid<0.1%0
stackid<0.1%0
geoid100%188,542
statefp100%188,542
countyfp100%188,542
countyname100%188,542
cousubfp100%188,542
cousubname100%188,542
tractce100%188,542
tractname100%188,542
taxacctnum<0.1%58
taxyear100%188,542
taxdistrict100%188,465
usecode<0.1%0
usedesc100%188,501
zoningcode32.0%60,420
zoningdesc23.4%44,091
numbldgs100%188,465
numunits97.7%184,275
yearbuilt<0.1%0
numfloors0.5%983
bldgsqft<0.1%0
bedrooms<0.1%0
halfbaths<0.1%0
fullbaths<0.1%0
imprvalue97.8%184,302
landvalue97.8%184,302
agvalue97.8%184,302
totalvalue100%188,489
taxacres99.6%187,860
calcarea100%188,542
saleamt91.6%172,616
saledate91.5%172,595
ownertype99.7%188,051
ownername99.7%188,051
owneraddr99.7%188,047
ownercity99.7%187,997
ownerstate99.7%187,936
ownerzip99.7%187,934
parceladdr92.8%174,899
parcelcity80.3%151,472
parcelstate100%188,542
parcelzip100%188,542
legaldesc100%188,451
township100%188,481
section100%188,481
qtrsection100%188,481
range100%188,481
plssdesc100%188,481
book<0.1%0
page<0.1%0
block<0.1%0
lot<0.1%0
parceltype1.1%2,059
accesstype1.1%2,059
iucnclass0.1%227
placename4.3%8,101
placetype4.3%8,025
firmid100%188,517
firmdate100%188,517
fldzone100%188,517
zonesubty84.3%158,921
staticbfe<0.1%39
elevmin99.1%186,842
elevmax99.1%186,842
elevavg99.1%186,842
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
naicscode5.8%10,866
frsid<0.1%0
dfrurl<0.1%0
caapermit<0.1%0
cwapermit<0.1%0
rcrapermit<0.1%0
updated100%188,542
centroidx100%188,542
centroidy100%188,542
surfpointx100%188,542
surfpointy100%188,542
geom100%188,542
extras100%188,542
ownerlist99.7%187,987
placefp93.7%176,697
zoningurl32.0%60,382
lbcsactivity97.8%184,369
lbcsfunction97.8%184,363
lbcstype97.4%183,553
lbcscharacter99.8%188,159
lbcsownership99.7%188,056
sourceurl99.9%188,363

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, Colorado (08001) 2 entities · most recent acquisition per entity · generated 2026-10-10 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 account landusecde landusedsc zoningcode zoningdesc asedvaltot landacres saleprice saledate owner owner2 owneradd ownaddcty ownaddstt ownaddzip situsadd sitaddcty sitaddzip legaldesc block lot datereceived url parcels2023_assessorurl parcels2023_treasurerurl geom 16 cols ⇢ parcelid taxacctnum usecode usedesc zoningcode zoningdesc totalvalue taxacres saleamt saledate ownername owneraddr ownercity ownerstate ownerzip parceladdr parcelcity parcelzip legaldesc block lot updated sourceurl geom extras ZONING zone_ link geom 23 cols ⇢ zoningcode sourceurl geom extras determined · ground truth 100% lrid 100% geoid 100% statefp 100% countyfp 100% countyname 100% cousubfp 100% cousubname 100% tractce 100% tractname 100% taxyear geom · derived from geometry geom dem.us_1m · USGS 1m DEM 99.1% elevmin 99.1% elevmax 99.1% elevavg s_fld_haz_ar · FEMA NFHL 100% fldzone 84.3% zonesubty 0.0% staticbfe 100% firmdate 100% firmid supplemented · derived / other pipelines 100% taxdistrict 100% numbldgs 97.7% numunits 97.8% imprvalue 97.8% landvalue 97.8% agvalue 100% parcelstate 100% township 100% section 100% qtrsection 100% range 100% plssdesc 100% ownerlist 93.7% placefp 97.8% lbcsactivity 97.8% lbcsfunction 97.4% lbcstype 100% lbcscharacter 100% lbcsownership lrid parcelid ogparcelid geoid statefp countyfp countyname cousubfp cousubname tractce tractname taxacctnum taxyear taxdistrict usecode usedesc zoningcode zoningdesc numbldgs numunits imprvalue landvalue agvalue totalvalue taxacres calcarea saleamt saledate ownertype ownername owneraddr ownercity ownerstate ownerzip parceladdr parcelcity parcelstate parcelzip legaldesc township section qtrsection range plssdesc block lot firmid firmdate fldzone zonesubty staticbfe elevmin elevmax elevavg updated centroidx centroidy surfpointx surfpointy geom extras ownerlist placefp lbcsactivity lbcsfunction lbcstype lbcscharacter lbcsownership sourceurl publish.parcel_layer columns not fed by these sources (32) — empty or below 50% fill in this county parcelid2, ogparcelid2, parentid, stackid, yearbuilt, numfloors, bldgsqft, bedrooms, halfbaths, fullbaths, book, page, parceltype, accesstype iucnclass, placename, placetype, fireplaces, heating, heatfuel, cooling, foundation, roofcover, siding, bldgtype, naicscode, frsid, dfrurl caapermit, cwapermit, rcrapermit, zoningurl PARCEL 24 mapped · 2 transformed · 16 kept in extras · 30 unmapped (NULL) SOURCE COLUMNS HARMONIZED → PARCEL parcel_id account landusecde landusedsc zoningcode zoningdesc asedvaltot landacres saleprice saledate owner owner2 owneradd ownaddcty ownaddstt ownaddzip situsadd sitaddcty sitaddzip legaldesc block lot datereceived url parcels2023_assessorurl parcels2023_treasurerurl geom parcelid taxacctnum usecode usedesc zoningcode zoningdesc totalvalue taxacres saleamt saledate ownername CASE WHEN NULLIF(owner::text, '') IS NULL AND NULLIF(owner2::te… owneraddr ownercity ownerstate ownerzip parceladdr parcelcity parcelzip legaldesc block lot updated sourceurl COALESCE( NULLIF(url::text, '')::text, NULLIF(parcels2023_asses… geom extras · 16 source columns preserved as json sharing, countyname, countyfips, ownaddcou, landsqft, subcode subname, apprvaltot, parcels2023_a2022actval parcels2023_a2022asvalue, parcels2023_a2023actval parcels2023_a2023asval, a2024actval, a2024asval, a2025asval a2025actval extras not present in source — filled with NULL (30) parcelid2, taxyear, numbldgs, numunits, yearbuilt, numfloors, bldgsqft, bedrooms, halfbaths, fullbaths, imprvalue, landvalue, agvalue parcelstate, township, section, qtrsection, range, plssdesc, book, page, taxdistrict, parentid, heatfuel, fireplaces, heating, cooling foundation, roofcover, siding ZONING 3 mapped · 23 kept in extras · 6 unmapped (NULL) SOURCE COLUMNS HARMONIZED → ZONING zone_ link geom zoningcode sourceurl geom extras · 23 source columns preserved as json city_name, minx, miny, maxx, maxy, centerx, centery, area refcd, globalid, join_count, target_fid, zone1, link_1 city_name_1, minx_1, miny_1, maxx_1, maxy_1, centerx_1 centery_1, area_1, refcd_1 extras not present in source — filled with NULL (6) zoningdesc, zoningtype, ordinance, setbacks, restrictions, notes

Neighboring counties

Parcel data for counties bordering Adams County:

Frequently asked questions

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

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

How many parcels are in Adams County, CO?

The current dataset contains 188,542 parcel records for Adams County, CO, each with its boundary geometry and assessor attributes.

What is the FIPS code for Adams County, CO?

The FIPS code for Adams County, CO is 08001.

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

Each Adams County, CO 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, CO parcel data free?

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

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

On this page

Attribute coverageSchema mappingNeighboring countiesFAQRelated