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Custer County, MT Parcels & GIS Data

Custer County, MT parcel data: 12,503 property records with owner names, assessed values, land use, acreage, and addresses. Preview and download.

Land Records publishes Custer County, Montana parcel data covering 12,503 property records.

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

Custer County is a county located in the southeast part of the U.S. state of Montana. As of the 2020 U.S. census, the population was 11,867.

FIPS 30017

Official county website: https://bsd.dli.mt.gov/building-codes-permits/permit-applications/building-permits/

The FIPS code for Custer County is 30017.

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Attribute coverage

Custer County contains 12,503 parcels in the current dataset. Column coverage is the percentage of those parcels for which the attribute is populated (non-NULL).

ColumnCoverageRecords populated
lrid100%12,503
parcelid100%12,503
parcelid2100%12,497
ogparcelid100%12,503
ogparcelid2100%12,497
parentid<0.1%0
stackid<0.1%0
geoid100%12,503
statefp100%12,503
countyfp100%12,503
countyname100%12,503
cousubfp100%12,503
cousubname100%12,503
tractce100%12,503
tractname100%12,503
taxacctnum5.0%622
taxyear100%12,497
taxdistrict100%12,497
usecode99.9%12,496
usedesc100%12,497
zoningcode<0.1%0
zoningdesc<0.1%0
numbldgs100%12,503
numunits44.6%5,571
yearbuilt32.4%4,050
numfloors33.6%4,204
bldgsqft32.4%4,050
bedrooms32.2%4,029
halfbaths6.0%745
fullbaths32.1%4,012
imprvalue43.5%5,445
landvalue99.5%12,444
agvalue<0.1%0
totalvalue99.5%12,444
taxacres100%12,497
calcarea100%12,503
saleamt<0.1%0
saledate82.7%10,342
ownertype100%12,497
ownername100%12,497
owneraddr100%12,497
ownercity99.9%12,493
ownerstate99.9%12,493
ownerzip99.9%12,493
parceladdr100%12,501
parcelcity53.8%6,727
parcelstate100%12,503
parcelzip100%12,503
legaldesc100%12,497
township99.5%12,435
section99.5%12,435
qtrsection99.5%12,435
range99.5%12,435
plssdesc99.5%12,435
book21.7%2,718
page21.7%2,718
block<0.1%0
lot<0.1%0
parceltype13.7%1,708
accesstype13.7%1,708
iucnclass10.3%1,294
placename16.3%2,044
placetype16.2%2,024
firmid99.4%12,427
firmdate99.4%12,427
fldzone99.4%12,427
zonesubty27.9%3,488
staticbfe<0.1%0
elevmin4.6%571
elevmax4.6%571
elevavg4.6%571
fireplaces4.7%591
heating32.4%4,050
heatfuel32.4%4,050
cooling32.4%4,050
foundation32.4%4,050
roofcover31.4%3,920
siding32.4%4,050
bldgtype<0.1%0
naicscode45.7%5,713
frsid<0.1%0
dfrurl<0.1%0
caapermit<0.1%0
cwapermit<0.1%0
rcrapermit<0.1%0
updated100%12,503
centroidx100%12,503
centroidy100%12,503
surfpointx100%12,503
surfpointy100%12,503
geom100%12,503
extras100%12,503
ownerlist99.9%12,485
placefp34.2%4,275
zoningurl<0.1%0

Schema mapping

How source columns from the acquired Custer 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 — Custer County, Montana (30017) 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 4.6% elevmin 4.6% elevmax 4.6% elevavg s_fld_haz_ar · FEMA NFHL 99.4% fldzone 27.9% zonesubty 99.4% firmdate 99.4% firmid supplemented · derived / other pipelines 100% usecode 100% numbldgs 82.7% saledate 53.8% parcelcity 100% parcelstate 100% parcelzip 99.5% qtrsection 99.5% plssdesc 100% ownerlist lrid parcelid parcelid2 ogparcelid ogparcelid2 geoid statefp countyfp countyname cousubfp cousubname tractce tractname taxacctnum taxyear taxdistrict usecode usedesc numbldgs 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 elevmin elevmax elevavg updated centroidx centroidy surfpointx surfpointy geom extras ownerlist publish.parcel_layer columns not fed by these sources (39) — empty or below 50% fill in this county parentid, stackid, zoningcode, zoningdesc, numunits, yearbuilt, numfloors, bldgsqft, bedrooms, halfbaths, fullbaths, agvalue, saleamt, 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 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 Custer County:

Frequently asked questions

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

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

How many parcels are in Custer County, MT?

The current dataset contains 12,503 parcel records for Custer County, MT, each with its boundary geometry and assessor attributes.

What is the FIPS code for Custer County, MT?

The FIPS code for Custer County, MT is 30017.

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

Each Custer 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 Custer County, MT parcel data free?

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

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

On this page

Attribute coverageSchema mappingNeighboring countiesFAQRelated