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Yellowstone County, MT Parcels & GIS Data

Yellowstone County, MT parcel data: 83,381 property records with owner names, assessed values, land use, acreage, and addresses. Preview and download.

Land Records publishes Yellowstone County, Montana parcel data covering 83,381 property records.

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

Yellowstone County is a county in the U.S. state of Montana. As of the 2020 census, the population was 164,731, and was estimated to be 172,692 in 2025, making it the most populous county in Montana. The county seat and the largest city is Billings, the most populous city in Montana and the 253rd-most populous city in the United States.

FIPS 30111

Official county website: https://www.yellowstonecountymt.gov

The FIPS code for Yellowstone County is 30111.

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Attribute coverage

Yellowstone County contains 83,381 parcels in the current dataset. Column coverage is the percentage of those parcels for which the attribute is populated (non-NULL).

ColumnCoverageRecords populated
lrid100%83,381
parcelid100%83,381
parcelid298.9%82,478
ogparcelid100%83,381
ogparcelid298.9%82,478
parentid<0.1%0
stackid<0.1%0
geoid100%83,381
statefp100%83,381
countyfp100%83,381
countyname100%83,381
cousubfp100%83,381
cousubname100%83,381
tractce100%83,381
tractname100%83,381
taxacctnum98.9%82,478
taxyear99.0%82,525
taxdistrict99.0%82,525
usecode98.9%82,432
usedesc99.0%82,525
zoningcode70.7%58,967
zoningdesc70.7%58,967
numbldgs100%83,381
numunits82.4%68,673
yearbuilt67.9%56,648
numfloors68.1%56,741
bldgsqft67.9%56,648
bedrooms67.9%56,619
halfbaths16.8%13,980
fullbaths67.9%56,627
imprvalue80.6%67,222
landvalue92.6%77,204
agvalue0.8%654
totalvalue98.1%81,797
taxacres99.0%82,525
calcarea100%83,381
saleamt<0.1%0
saledate87.1%72,627
ownertype99.0%82,525
ownername99.0%82,525
owneraddr99.0%82,525
ownercity98.9%82,496
ownerstate98.9%82,496
ownerzip98.9%82,496
parceladdr99.9%83,259
parcelcity90.7%75,621
parcelstate100%83,381
parcelzip100%83,381
legaldesc99.0%82,525
township100%83,378
section100%83,378
qtrsection100%83,378
range100%83,378
plssdesc100%83,378
book17.2%14,365
page17.2%14,365
block<0.1%0
lot<0.1%0
parceltype3.2%2,667
accesstype3.2%2,667
iucnclass0.5%454
placename6.0%5,039
placetype7.1%5,941
firmid100%83,381
firmdate100%83,381
fldzone100%83,381
zonesubty84.9%70,783
staticbfe<0.1%2
elevmin83.5%69,664
elevmax83.5%69,664
elevavg83.5%69,664
fireplaces10.1%8,412
heating67.9%56,648
heatfuel67.9%56,648
cooling67.9%56,648
foundation67.9%56,648
roofcover<0.1%0
siding67.9%56,648
bldgtype<0.1%0
naicscode22.7%18,910
frsid<0.1%0
dfrurl<0.1%0
caapermit<0.1%0
cwapermit<0.1%0
rcrapermit<0.1%0
updated100%83,381
centroidx100%83,381
centroidy100%83,381
surfpointx100%83,381
surfpointy100%83,381
geom100%83,381
extras100%83,381
ownerlist98.4%82,024
placefp69.9%58,256
zoningurl<0.1%0

Schema mapping

How source columns from the acquired Yellowstone 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 — Yellowstone County, Montana (30111) 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 parcelid propertyid assessmentcode taxyear proptype totalbuildingvalue totallandvalue totalvalue totalacres ownername owneraddress1 ownercity ownerstate ownerzipcode addressline1 legaldescriptionshort township section range geom levydistrict 19 cols ⇢ parcelid parcelid2 taxacctnum taxyear usedesc imprvalue landvalue totalvalue taxacres ownername owneraddr ownercity ownerstate ownerzip parceladdr legaldesc township section range 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 83.5% elevmin 83.5% elevmax 83.5% elevavg s_fld_haz_ar · FEMA NFHL 100% fldzone 84.9% zonesubty 0.0% staticbfe 100% firmdate 100% firmid supplemented · derived / other pipelines 98.9% usecode 70.7% zoningcode 70.7% zoningdesc 100% numbldgs 82.4% numunits 67.9% yearbuilt 68.1% numfloors 67.9% bldgsqft 67.9% bedrooms 67.9% fullbaths 87.1% saledate 90.7% parcelcity 100% parcelstate 100% parcelzip 100% qtrsection 100% plssdesc 67.9% heating 67.9% heatfuel 67.9% cooling 67.9% foundation 67.9% siding 98.4% ownerlist 69.9% placefp lrid parcelid parcelid2 ogparcelid ogparcelid2 geoid statefp countyfp countyname cousubfp cousubname tractce tractname taxacctnum taxyear taxdistrict usecode usedesc zoningcode zoningdesc numbldgs numunits yearbuilt numfloors bldgsqft bedrooms fullbaths imprvalue landvalue totalvalue taxacres calcarea saledate ownertype ownername owneraddr ownercity ownerstate ownerzip parceladdr parcelcity parcelstate parcelzip legaldesc township section qtrsection range plssdesc firmid firmdate fldzone zonesubty staticbfe elevmin elevmax elevavg heating heatfuel cooling foundation siding updated centroidx centroidy surfpointx surfpointy geom extras ownerlist placefp publish.parcel_layer columns not fed by these sources (24) — empty or below 50% fill in this county parentid, stackid, halfbaths, agvalue, saleamt, book, page, block, lot, parceltype, accesstype, iucnclass, placename, placetype, fireplaces roofcover, bldgtype, naicscode, frsid, dfrurl, caapermit, cwapermit, rcrapermit, zoningurl PARCEL 21 mapped · 19 kept in extras · 33 unmapped (NULL) SOURCE COLUMNS HARMONIZED → PARCEL parcelid propertyid assessmentcode taxyear proptype totalbuildingvalue totallandvalue totalvalue totalacres ownername owneraddress1 ownercity ownerstate ownerzipcode addressline1 legaldescriptionshort township section range geom levydistrict parcelid parcelid2 taxacctnum taxyear usedesc imprvalue landvalue totalvalue taxacres ownername owneraddr ownercity ownerstate ownerzip parceladdr legaldesc township section range geom taxdistrict extras · 19 source columns preserved as json countycd, countyname, gisacres, subdivision certificateofsurvey, addressline2, citystatezip, propaccess continuouscropacres, fallowacres, farmsiteacres, forestacres grazingacres, wildhayacres, irrigatedacres, nonqualacres owneraddress2, owneraddress3, careoftaxpayer extras not present in source — filled with NULL (33) usecode, zoningcode, zoningdesc, numbldgs, numunits, yearbuilt, numfloors, bldgsqft, bedrooms, halfbaths, fullbaths, agvalue, saleamt, saledate parcelcity, parcelstate, parcelzip, qtrsection, plssdesc, book, page, block, lot, updated, sourceurl, parentid, fireplaces, heating, cooling foundation, roofcover, siding, heatfuel

Neighboring counties

Parcel data for counties bordering Yellowstone County:

Frequently asked questions

Where can I find Yellowstone County, MT parcel and GIS data?

Land Records publishes a Yellowstone County, MT 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 Yellowstone County, MT dataset as a GeoPackage or CSV.

How many parcels are in Yellowstone County, MT?

The current dataset contains 83,381 parcel records for Yellowstone County, MT, each with its boundary geometry and assessor attributes.

What is the FIPS code for Yellowstone County, MT?

The FIPS code for Yellowstone County, MT is 30111.

What information does each Yellowstone County, MT parcel record include?

Each Yellowstone County, MT 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 Yellowstone County, MT parcel data free?

You can preview Yellowstone County, MT 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 Yellowstone County, MT have an official GIS or property records website?

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

On this page

Attribute coverageSchema mappingNeighboring countiesFAQRelated