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Jefferson County, MT Parcels & GIS Data

Jefferson County, MT parcel data: 14,726 property records with owner names, assessed values, land use, acreage, and addresses. Preview and download.

Land Records publishes Jefferson County, Montana parcel data covering 14,726 property records.

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

Jefferson County is a county in Montana, United States. As of the 2020 census, the population was 12,085. Its county seat is Boulder. The county was created in 1865 and named for President Thomas Jefferson.

FIPS 30043

The FIPS code for Jefferson County is 30043.

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BroadwaterGallatinMadisonSilver BowDeer LodgePowellLewis and ClarkJefferson
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Attribute coverage

Jefferson County contains 14,726 parcels in the current dataset. Column coverage is the percentage of those parcels for which the attribute is populated (non-NULL).

ColumnCoverageRecords populated
lrid100%14,726
parcelid100%14,726
parcelid2100%14,719
ogparcelid100%14,726
ogparcelid2100%14,719
parentid<0.1%0
stackid<0.1%0
geoid100%14,726
statefp100%14,726
countyfp100%14,726
countyname100%14,726
cousubfp100%14,726
cousubname100%14,726
tractce100%14,726
tractname100%14,726
taxacctnum11.4%1,678
taxyear100%14,719
taxdistrict100%14,719
usecode99.8%14,703
usedesc100%14,719
zoningcode<0.1%0
zoningdesc<0.1%0
numbldgs100%14,722
numunits47.5%6,991
yearbuilt40.1%5,910
numfloors40.2%5,914
bldgsqft40.1%5,910
bedrooms39.3%5,788
halfbaths12.4%1,821
fullbaths39.0%5,746
imprvalue46.9%6,902
landvalue99.6%14,662
agvalue<0.1%1
totalvalue99.6%14,662
taxacres100%14,719
calcarea100%14,726
saleamt<0.1%0
saledate83.0%12,227
ownertype100%14,719
ownername100%14,719
owneraddr100%14,719
ownercity99.9%14,706
ownerstate99.9%14,706
ownerzip99.9%14,706
parceladdr99.9%14,715
parcelcity69.5%10,237
parcelstate100%14,726
parcelzip100%14,726
legaldesc100%14,719
township<0.1%0
section<0.1%0
qtrsection<0.1%0
range<0.1%0
plssdesc<0.1%0
book15.4%2,262
page15.4%2,262
block<0.1%0
lot<0.1%0
parceltype15.3%2,251
accesstype15.3%2,251
iucnclass13.2%1,940
placename17.3%2,545
placetype17.1%2,525
firmid4.3%628
firmdate4.3%628
fldzone4.3%628
zonesubty3.9%568
staticbfe<0.1%0
elevmin7.1%1,051
elevmax7.1%1,051
elevavg7.1%1,051
fireplaces6.9%1,021
heating40.1%5,910
heatfuel40.1%5,910
cooling40.1%5,910
foundation40.1%5,910
roofcover35.2%5,188
siding40.1%5,910
bldgtype<0.1%0
naicscode34.3%5,044
frsid<0.1%0
dfrurl<0.1%0
caapermit<0.1%0
cwapermit<0.1%0
rcrapermit<0.1%0
updated100%14,722
centroidx100%14,726
centroidy100%14,726
surfpointx100%14,726
surfpointy100%14,726
geom100%14,726
extras100%14,726
lrversion100%14,726

Schema mapping

How source columns from the acquired Jefferson 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 — Jefferson County, Montana (30043) 1 entity · most recent acquisition per entity · generated 2026-07-13 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 100% lrversion geom · derived from geometry geom dem.us_1m · USGS 1m DEM 7.1% elevmin 7.1% elevmax 7.1% elevavg s_fld_haz_ar · FEMA NFHL 4.3% fldzone 3.9% zonesubty 4.3% firmdate 4.3% firmid supplemented · derived / other pipelines 100% usecode 100% numbldgs 83.0% saledate 69.5% parcelcity 100% parcelstate 100% parcelzip 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 range firmid firmdate fldzone zonesubty elevmin elevmax elevavg updated centroidx centroidy surfpointx surfpointy geom extras lrversion 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 qtrsection, plssdesc, book, page, block, lot, parceltype, accesstype, iucnclass, placename, placetype, staticbfe, fireplaces, heating, heatfuel cooling, foundation, roofcover, siding, bldgtype, naicscode, frsid, dfrurl, caapermit, cwapermit, rcrapermit 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 Jefferson County:

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Attribute coverageSchema mappingNeighboring countiesRelated
Jefferson County, MT Parcels & GIS Data — Property Records & Maps | Land Records