Boulder County, CO Parcels & GIS Data

Boulder County, CO parcel data: 136,559 property records with owner names, assessed values, land use, acreage, and addresses. Preview and download.

Land Records publishes Boulder County, Colorado parcel data covering 136,559 property records.

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

Boulder County is a county located in the U.S. state of Colorado. As of the 2020 census, the population was 330,758. The most populous municipality in the county and the county seat is Boulder.

FIPS 08013

Official county website: http://www.bouldercounty.org

The FIPS code for Boulder County is 08013.

JeffersonGilpinBroomfieldLarimerWeldGrandBoulder
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Attribute coverage

Boulder County contains 136,559 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%136,559
parcelid100%136,559
parcelid230.6%41,749
ogparcelid100%136,559
ogparcelid230.6%41,749
parentid<0.1%0
stackid<0.1%0
geoid100%136,559
statefp100%136,559
countyfp100%136,559
countyname100%136,559
cousubfp100%136,559
cousubname100%136,559
tractce100%136,559
tractname100%136,559
taxacctnum96.3%131,550
taxyear100%136,559
taxdistrict56.7%77,379
usecode30.6%41,722
usedesc60.9%83,151
zoningcode37.6%51,320
zoningdesc37.6%51,393
numbldgs98.6%134,664
numunits80.1%109,398
yearbuilt30.6%41,721
numfloors0.6%814
bldgsqft60.5%82,599
bedrooms<0.1%0
halfbaths<0.1%0
fullbaths<0.1%0
imprvalue<0.1%0
landvalue<0.1%0
agvalue<0.1%0
totalvalue75.5%103,164
taxacres75.3%102,889
calcarea100%136,559
saleamt68.7%93,852
saledate68.7%93,852
ownertype96.2%131,433
ownername96.2%131,433
owneraddr96.0%131,037
ownercity96.1%131,249
ownerstate96.1%131,248
ownerzip96.2%131,388
parceladdr96.9%132,376
parcelcity99.4%135,731
parcelstate100%136,559
parcelzip100%136,559
legaldesc96.3%131,446
township100%136,531
section100%136,531
qtrsection100%136,531
range100%136,531
plssdesc100%136,531
book<0.1%0
page<0.1%0
block45.2%61,790
lot63.4%86,514
parceltype2.1%2,902
accesstype3.4%4,681
iucnclass0.7%939
placename7.6%10,426
placetype7.6%10,317
firmid100%136,559
firmdate100%136,559
fldzone100%136,559
zonesubty97.6%133,314
staticbfe<0.1%7
elevmin99.7%136,144
elevmax99.7%136,144
elevavg99.7%136,144
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
naicscode8.1%11,019
frsid<0.1%0
dfrurl<0.1%0
caapermit<0.1%0
cwapermit<0.1%0
rcrapermit<0.1%0
updated79.2%108,198
centroidx100%136,559
centroidy100%136,559
surfpointx100%136,559
surfpointy100%136,559
geom100%136,559
extras100%136,559
ownerlist70.5%96,260
placefp88.2%120,479
zoningurl37.6%51,318
lbcsactivity84.6%115,511
lbcsfunction83.4%113,947
lbcstype83.2%113,566
lbcscharacter95.8%130,885
lbcsownership96.5%131,776
sourceurl76.0%103,792

Schema mapping

How source columns from the acquired Boulder 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 — Boulder County, Colorado (08013) 2 entities · most recent acquisition per entity · generated 2026-10-17 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 parcelnum cobpin accountno bldgclscd accounttype buildingyearprim ownerprim ownerico ownermail1 ownermail2 ownermailcity ownermailstate ownermailzip siteaddress subname township section range geom sitestrnum sitestreet sitestrpfx sitestrsfx siteunit parcelid parcelid2 taxacctnum usecode usedesc yearbuilt ownername owneraddr ownercity ownerstate ownerzip parceladdr legaldesc township section range geom extras ZONING zoning zndesc zoningdistpurpose geom shape_starea__ shape_stlength__ zoningcode zoningdesc notes 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 79.2% updated geom · derived from geometry geom dem.us_1m · USGS 1m DEM 100% elevmin 100% elevmax 100% elevavg s_fld_haz_ar · FEMA NFHL 100% fldzone 97.6% zonesubty 0.0% staticbfe 100% firmdate 100% firmid supplemented · derived / other pipelines 56.7% taxdistrict 98.6% numbldgs 80.1% numunits 60.5% bldgsqft 75.5% totalvalue 75.3% taxacres 68.7% saleamt 68.7% saledate 99.4% parcelcity 100% parcelstate 100% parcelzip 100% qtrsection 100% plssdesc 63.4% lot 70.5% ownerlist 88.2% placefp 84.6% lbcsactivity 83.4% lbcsfunction 83.2% lbcstype 95.8% lbcscharacter 96.5% lbcsownership 76.0% sourceurl lrid parcelid parcelid2 ogparcelid ogparcelid2 geoid statefp countyfp countyname cousubfp cousubname tractce tractname taxacctnum taxyear taxdistrict usecode usedesc zoningcode zoningdesc numbldgs numunits yearbuilt bldgsqft totalvalue taxacres calcarea saleamt saledate ownertype ownername owneraddr ownercity ownerstate ownerzip parceladdr parcelcity parcelstate parcelzip legaldesc township section qtrsection range plssdesc 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 parentid, stackid, numfloors, bedrooms, halfbaths, fullbaths, imprvalue, landvalue, agvalue, book, page, block, parceltype, accesstype iucnclass, placename, placetype, fireplaces, heating, heatfuel, cooling, foundation, roofcover, siding, bldgtype, naicscode, frsid, dfrurl caapermit, cwapermit, rcrapermit, zoningurl PARCEL 18 mapped · 17 transformed · 37 unmapped (NULL) SOURCE COLUMNS HARMONIZED → PARCEL parcelnum cobpin accountno bldgclscd accounttype buildingyearprim ownerprim ownerico ownermail1 ownermail2 ownermailcity ownermailstate ownermailzip siteaddress subname township section range geom sitestrnum sitestreet sitestrpfx sitestrsfx siteunit parcelid NULLIF(TRIM(parcelnum::text), '')::text parcelid2 NULLIF(TRIM(cobpin::text), '')::text taxacctnum NULLIF(TRIM(accountno::text), '')::text usecode NULLIF(TRIM(bldgclscd::text), '')::text usedesc NULLIF(TRIM(accounttype::text), '')::text yearbuilt NULLIF(TRIM(buildingyearprim::text), '')::text ownername CASE WHEN NULLIF(TRIM(ownerprim::text), '') IS NOT NULL AND NUL… owneraddr CASE WHEN NULLIF(TRIM(ownermail1::text), '') IS NOT NULL AND NU… ownercity NULLIF(TRIM(ownermailcity::text), '')::text ownerstate NULLIF(TRIM(ownermailstate::text), '')::text ownerzip NULLIF(TRIM(ownermailzip::text), '')::text parceladdr NULLIF(TRIM(siteaddress::text), '')::text legaldesc NULLIF(TRIM(subname::text), '')::text township NULLIF(TRIM(township::text), '')::text section NULLIF(TRIM(section::text), '')::text range NULLIF(TRIM("range"::text), '')::text geom extras json_build_object( 'sitestrnum', NULLIF(TRIM(sitestrnum::text),… not present in source — filled with NULL (37) taxyear, zoningcode, zoningdesc, numbldgs, numunits, numfloors, bldgsqft, bedrooms, halfbaths, fullbaths, imprvalue, landvalue, agvalue totalvalue, taxacres, saleamt, saledate, parcelcity, parcelstate, parcelzip, qtrsection, plssdesc, book, page, block, lot, updated, sourceurl taxdistrict, parentid, heatfuel, fireplaces, heating, cooling, foundation, roofcover, siding ZONING 5 mapped · 1 transformed · 5 unmapped (NULL) SOURCE COLUMNS HARMONIZED → ZONING zoning zndesc zoningdistpurpose geom shape_starea__ shape_stlength__ zoningcode zoningdesc notes geom extras json_build_object( 'shape_starea__', shape_starea__::text, 'sha… not present in source — filled with NULL (5) zoningtype, ordinance, setbacks, restrictions, sourceurl

Neighboring counties

Parcel data for counties bordering Boulder County:

Frequently asked questions

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

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

How many parcels are in Boulder County, CO?

The current dataset contains 136,559 parcel records for Boulder County, CO, each with its boundary geometry and assessor attributes.

What is the FIPS code for Boulder County, CO?

The FIPS code for Boulder County, CO is 08013.

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

Each Boulder 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 Boulder County, CO parcel data free?

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

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

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