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Lake County, MT Parcels & GIS Data

Lake County, MT parcel data: 23,753 property records with owner names, assessed values, land use, acreage, and addresses. Preview and download.

Land Records publishes Lake County, Montana parcel data covering 23,753 property records.

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

Lake County is a county located in the northwest part of the U.S. state of Montana. As of the 2020 census, the population was 31,134. Its county seat is Polson.

FIPS 30047

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

The FIPS code for Lake County is 30047.

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Attribute coverage

Lake County contains 23,753 parcels in the current dataset. Column coverage is the percentage of those parcels for which the attribute is populated (non-NULL).

ColumnCoverageRecords populated
lrid100%23,753
parcelid100%23,753
parcelid299.3%23,590
ogparcelid100%23,753
ogparcelid299.3%23,590
parentid<0.1%0
stackid<0.1%0
geoid100%23,753
statefp100%23,753
countyfp100%23,753
countyname100%23,753
cousubfp100%23,753
cousubname100%23,753
tractce100%23,753
tractname100%23,753
taxacctnum4.2%987
taxyear99.3%23,594
taxdistrict99.3%23,594
usecode99.3%23,583
usedesc99.3%23,594
zoningcode<0.1%0
zoningdesc<0.1%0
numbldgs100%23,753
numunits63.1%14,987
yearbuilt50.1%11,906
numfloors50.2%11,926
bldgsqft50.1%11,906
bedrooms49.8%11,829
halfbaths11.6%2,754
fullbaths49.8%11,822
imprvalue60.5%14,381
landvalue98.4%23,373
agvalue<0.1%0
totalvalue98.4%23,372
taxacres99.3%23,590
calcarea100%23,753
saleamt<0.1%0
saledate85.2%20,248
ownertype99.3%23,594
ownername99.3%23,594
owneraddr99.1%23,531
ownercity98.8%23,463
ownerstate98.8%23,463
ownerzip98.8%23,463
parceladdr99.8%23,699
parcelcity90.4%21,479
parcelstate100%23,753
parcelzip100%23,753
legaldesc99.3%23,594
township99.7%23,692
section99.7%23,692
qtrsection99.7%23,692
range99.7%23,692
plssdesc99.7%23,692
book14.7%3,494
page14.7%3,494
block<0.1%0
lot<0.1%0
parceltype84.0%19,954
accesstype84.0%19,954
iucnclass3.5%839
placename8.6%2,031
placetype84.3%20,027
firmid100%23,753
firmdate100%23,753
fldzone100%23,753
zonesubty89.4%21,229
staticbfe0.3%75
elevmin91.6%21,769
elevmax91.6%21,769
elevavg91.6%21,769
fireplaces10.8%2,565
heating50.1%11,906
heatfuel50.1%11,906
cooling50.1%11,906
foundation50.1%11,906
roofcover48.3%11,465
siding50.1%11,906
bldgtype<0.1%0
naicscode86.9%20,641
frsid<0.1%0
dfrurl<0.1%0
caapermit<0.1%0
cwapermit<0.1%0
rcrapermit<0.1%0
updated100%23,753
centroidx100%23,753
centroidy100%23,753
surfpointx100%23,753
surfpointy100%23,753
geom100%23,753
extras100%23,753
ownerlist99.1%23,539
placefp41.9%9,948
zoningurl<0.1%0

Schema mapping

How source columns from the acquired Lake 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 — Lake County, Montana (30047) 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 91.6% elevmin 91.6% elevmax 91.6% elevavg s_fld_haz_ar · FEMA NFHL 100% fldzone 89.4% zonesubty 0.3% staticbfe 100% firmdate 100% firmid supplemented · derived / other pipelines 99.3% usecode 100% numbldgs 63.1% numunits 50.1% yearbuilt 50.2% numfloors 50.1% bldgsqft 85.2% saledate 90.4% parcelcity 100% parcelstate 100% parcelzip 100% qtrsection 100% plssdesc 84.0% parceltype 84.0% accesstype 84.3% placetype 50.1% heating 50.1% heatfuel 50.1% cooling 50.1% foundation 50.1% siding 86.9% naicscode 99.1% ownerlist lrid parcelid parcelid2 ogparcelid ogparcelid2 geoid statefp countyfp countyname cousubfp cousubname tractce tractname taxacctnum taxyear taxdistrict usecode usedesc numbldgs numunits yearbuilt numfloors bldgsqft imprvalue landvalue totalvalue taxacres calcarea saledate ownertype ownername owneraddr ownercity ownerstate ownerzip parceladdr parcelcity parcelstate parcelzip legaldesc township section qtrsection range plssdesc parceltype accesstype placetype firmid firmdate fldzone zonesubty staticbfe elevmin elevmax elevavg heating heatfuel cooling foundation siding naicscode updated centroidx centroidy surfpointx surfpointy geom extras ownerlist publish.parcel_layer columns not fed by these sources (25) — empty or below 50% fill in this county parentid, stackid, zoningcode, zoningdesc, bedrooms, halfbaths, fullbaths, agvalue, saleamt, book, page, block, lot, iucnclass, placename fireplaces, roofcover, bldgtype, 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 Lake County:

Frequently asked questions

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

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

How many parcels are in Lake County, MT?

The current dataset contains 23,753 parcel records for Lake County, MT, each with its boundary geometry and assessor attributes.

What is the FIPS code for Lake County, MT?

The FIPS code for Lake County, MT is 30047.

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

Each Lake 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 Lake County, MT parcel data free?

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

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

On this page

Attribute coverageSchema mappingNeighboring countiesFAQRelated