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Boulder County, CO Parcels & GIS Data

Boulder County, CO parcel data: 140,620 property records with owner names, assessed values, land use, acreage, and addresses. Preview and download.

Land Records publishes Boulder County, Colorado parcel data covering 140,620 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.

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Attribute coverage

Boulder County contains 140,620 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%140,620
parcelid100%140,620
parcelid2<0.1%2
ogparcelid100%140,620
ogparcelid2<0.1%2
parentid<0.1%0
stackid<0.1%0
geoid100%140,620
statefp100%140,620
countyfp100%140,620
countyname100%140,620
cousubfp100%140,620
cousubname100%140,620
tractce100%140,620
tractname100%140,620
taxacctnum92.8%130,538
taxyear100%140,620
taxdistrict63.6%89,476
usecode<0.1%1
usedesc1.9%2,620
zoningcode63.9%89,906
zoningdesc64.0%89,979
numbldgs70.3%98,837
numunits70.3%98,836
yearbuilt<0.1%0
numfloors0.1%182
bldgsqft70.3%98,836
bedrooms<0.1%0
halfbaths<0.1%0
fullbaths<0.1%0
imprvalue90.9%127,880
landvalue90.9%127,880
agvalue90.9%127,880
totalvalue92.8%130,495
taxacres92.6%130,155
calcarea100%140,620
saleamt84.5%118,871
saledate84.5%118,871
ownertype92.7%130,424
ownername92.7%130,424
owneraddr92.5%130,034
ownercity92.6%130,239
ownerstate92.7%130,312
ownerzip92.7%130,372
parceladdr92.7%130,413
parcelcity92.7%130,413
parcelstate100%140,620
parcelzip100%140,620
legaldesc92.7%130,424
township100%140,591
section100%140,591
qtrsection100%140,591
range100%140,591
plssdesc100%140,591
book<0.1%0
page<0.1%0
block49.7%69,877
lot73.8%103,820
parceltype2.2%3,091
accesstype3.4%4,804
iucnclass0.7%962
placename10.6%14,852
placetype10.4%14,632
firmid100%140,620
firmdate100%140,620
fldzone100%140,620
zonesubty97.5%137,169
staticbfe<0.1%7
elevmin99.7%140,220
elevmax99.7%140,220
elevavg99.7%140,220
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
naicscode11.6%16,246
frsid<0.1%0
dfrurl<0.1%0
caapermit<0.1%0
cwapermit<0.1%0
rcrapermit<0.1%0
updated100%140,620
centroidx100%140,620
centroidy100%140,620
surfpointx100%140,620
surfpointy100%140,620
geom100%140,620
extras100%140,620
ownerlist67.9%95,424
placefp88.4%124,268
zoningurl63.9%89,904
lbcsactivity59.5%83,706
lbcsfunction59.5%83,622
lbcstype58.1%81,745
lbcscharacter98.4%138,349
lbcsownership93.1%130,882
sourceurl93.3%131,268

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 2026-10-10 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 parcelid apn taxacres parcelstate sourceurl geom 5 cols ⇢ parcelid parcelid2 taxacres parcelstate sourceurl 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 100% 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 97.5% zonesubty 0.0% staticbfe 100% firmdate 100% firmid supplemented · derived / other pipelines 92.8% taxacctnum 63.6% taxdistrict 70.3% numbldgs 70.3% numunits 70.3% bldgsqft 90.9% imprvalue 90.9% landvalue 90.9% agvalue 92.8% totalvalue 84.5% saleamt 84.5% saledate 92.7% ownertype 92.7% ownername 92.5% owneraddr 92.6% ownercity 92.7% ownerstate 92.7% ownerzip 92.7% parceladdr 92.7% parcelcity 100% parcelzip 92.7% legaldesc 100% township 100% section 100% qtrsection 100% range 100% plssdesc 73.8% lot 67.9% ownerlist 88.4% placefp 63.9% zoningurl 59.5% lbcsactivity 59.5% lbcsfunction 58.1% lbcstype 98.4% lbcscharacter 93.1% lbcsownership lrid parcelid parcelid2 ogparcelid ogparcelid2 geoid statefp countyfp countyname cousubfp cousubname tractce tractname taxacctnum taxyear taxdistrict zoningcode zoningdesc numbldgs numunits bldgsqft imprvalue landvalue agvalue 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 zoningurl lbcsactivity lbcsfunction lbcstype lbcscharacter lbcsownership sourceurl publish.parcel_layer columns not fed by these sources (31) — empty or below 50% fill in this county parentid, stackid, usecode, usedesc, yearbuilt, numfloors, bedrooms, halfbaths, fullbaths, book, page, block, parceltype, accesstype, iucnclass placename, placetype, fireplaces, heating, heatfuel, cooling, foundation, roofcover, siding, bldgtype, naicscode, frsid, dfrurl, caapermit cwapermit, rcrapermit PARCEL 6 mapped · 4 transformed · 5 kept in extras · 48 unmapped (NULL) SOURCE COLUMNS HARMONIZED → PARCEL parcelid apn taxacres parcelstate sourceurl geom parcelid NULLIF(TRIM(parcelid::text), '')::text parcelid2 NULLIF(TRIM(apn::text), '')::text taxacres parcelstate NULLIF(TRIM(parcelstate::text), '')::text sourceurl NULLIF(TRIM(sourceurl::text), '')::text geom extras · 5 source columns preserved as json county_name, gid, fips_code, vintage_id, geoid extras not present in source — filled with NULL (48) taxacctnum, taxyear, usecode, usedesc, zoningcode, zoningdesc, numbldgs, numunits, yearbuilt, numfloors, bldgsqft, bedrooms, halfbaths fullbaths, imprvalue, landvalue, agvalue, totalvalue, saleamt, saledate, ownername, owneraddr, ownercity, ownerstate, ownerzip, parceladdr parcelcity, parcelzip, legaldesc, township, section, qtrsection, range, plssdesc, book, page, block, lot, updated, 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 140,620 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.

On this page

Attribute coverageSchema mappingNeighboring countiesFAQRelated