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Jefferson County, MT Parcels & GIS Data

Jefferson County, MT parcel data: 14,333 property records with owner names, assessed values, land use, acreage, and addresses. Preview and download.

Land Records publishes Jefferson County, Montana parcel data covering 14,333 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

Official county website: https://www.jeffersoncounty-mt.gov

The FIPS code for Jefferson County is 30043.

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Attribute coverage

Jefferson County contains 14,333 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%14,333
parcelid98.7%14,142
parcelid2100%14,333
ogparcelid98.7%14,142
ogparcelid2100%14,333
parentid<0.1%0
stackid<0.1%0
geoid100%14,333
statefp100%14,333
countyfp100%14,333
countyname100%14,333
cousubfp100%14,333
cousubname100%14,333
tractce100%14,333
tractname100%14,333
taxacctnum98.6%14,135
taxyear100%14,333
taxdistrict98.6%14,135
usecode92.1%13,204
usedesc98.6%14,135
zoningcode<0.1%0
zoningdesc<0.1%0
numbldgs95.8%13,737
numunits47.6%6,823
yearbuilt21.9%3,144
numfloors22.0%3,151
bldgsqft21.9%3,144
bedrooms21.3%3,052
halfbaths5.4%777
fullbaths21.0%3,010
imprvalue97.4%13,965
landvalue98.6%14,129
agvalue<0.1%0
totalvalue98.6%14,129
taxacres98.6%14,135
calcarea100%14,333
saleamt<0.1%0
saledate51.5%7,384
ownertype98.6%14,135
ownername98.6%14,135
owneraddr98.6%14,135
ownercity98.5%14,124
ownerstate98.5%14,124
ownerzip98.5%14,124
parceladdr66.1%9,477
parcelcity61.5%8,819
parcelstate100%14,333
parcelzip100%14,333
legaldesc98.6%14,135
township99.7%14,289
section99.7%14,289
qtrsection99.7%14,289
range99.7%14,289
plssdesc99.7%14,289
book10.2%1,463
page10.2%1,463
block<0.1%0
lot<0.1%0
parceltype11.2%1,608
accesstype14.9%2,131
iucnclass12.7%1,823
placename16.9%2,421
placetype16.8%2,406
firmid4.8%691
firmdate4.8%691
fldzone4.8%691
zonesubty4.1%594
staticbfe<0.1%0
elevmin7.2%1,034
elevmax7.2%1,034
elevavg7.2%1,034
fireplaces3.0%430
heating21.9%3,144
heatfuel21.9%3,144
cooling21.9%3,144
foundation21.9%3,144
roofcover20.5%2,939
siding21.9%3,144
bldgtype<0.1%0
naicscode27.4%3,926
frsid<0.1%0
dfrurl<0.1%0
caapermit<0.1%0
cwapermit<0.1%0
rcrapermit<0.1%0
updated91.7%13,146
centroidx100%14,333
centroidy100%14,333
surfpointx100%14,333
surfpointy100%14,333
geom100%14,333
extras100%14,333
ownerlist90.0%12,898
placefp47.4%6,791
zoningurl<0.1%0
lbcsactivity47.8%6,852
lbcsfunction17.1%2,455
lbcstype52.2%7,487
lbcscharacter93.7%13,423
lbcsownership98.7%14,141
sourceurl59.3%8,497

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) 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 ADDRESS building place_type landmkname add_number st_premod st_predir st_pretyp st_presep st_name st_postyp st_posdir st_posmod unit floor post_code nbrhd_comm post_comm county state country geom discrpagid dateupdate effective expire inc_muni uninc_comm addnum_pre addnum_suf lst_predir lst_name lst_posdir room seat addtl_loc placement mt_plctype parcelid localid addtl_desc gnis_id datasettyp processid processdte globalid nguid lst_typ postcodeex milepost longitude latitude elevation house category near house_number road unit level postcode suburb city state_district state country geom extras PARCEL parcelid globalid propertyid taxyear assessmentcode proptype totalbuildingvalue totallandvalue totalvalue totalacres ownername owneraddress1 owneraddress2 owneraddress3 ownercity ownerstate ownerzipcode addressline1 legaldescriptionshort township section range geom levydistrict countycd countyname countyabbr gisacres subdivision certificateofsurvey addressline2 citystatezip propaccess continuouscropacres fallowacres farmsiteacres forestacres grazingacres wildhayacres irrigatedacres nonqualacres dbaname careoftaxpayer parcelid parcelid2 taxacctnum taxyear usecode 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 91.7% updated geom · derived from geometry geom dem.us_1m · USGS 1m DEM 7.2% elevmin 7.2% elevmax 7.2% elevavg s_fld_haz_ar · FEMA NFHL 4.8% fldzone 4.1% zonesubty 4.8% firmdate 4.8% firmid supplemented · derived / other pipelines 95.8% numbldgs 51.5% saledate 61.5% parcelcity 100% parcelstate 100% parcelzip 100% qtrsection 100% plssdesc 90.0% ownerlist 52.2% lbcstype 93.7% lbcscharacter 98.7% lbcsownership 59.3% sourceurl 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 lbcstype lbcscharacter lbcsownership sourceurl publish.parcel_layer columns not fed by these sources (41) — 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, lbcsactivity, lbcsfunction ADDRESS 15 mapped · 2 transformed · 7 unmapped (NULL) SOURCE COLUMNS HARMONIZED → ADDRESS building place_type landmkname add_number st_premod st_predir st_pretyp st_presep st_name st_postyp st_posdir st_posmod unit floor post_code nbrhd_comm post_comm county state country geom discrpagid dateupdate effective expire inc_muni uninc_comm addnum_pre addnum_suf lst_predir lst_name lst_posdir room seat addtl_loc placement mt_plctype parcelid localid addtl_desc gnis_id datasettyp processid processdte globalid nguid lst_typ postcodeex milepost longitude latitude elevation house category near house_number road NULLIF(TRIM(BOTH FROM concat_ws(' ', st_premod::text, st_predir… unit level postcode suburb city state_district state country geom extras ( json_build_object( 'discrpagid', discrpagid::text, 'dateupdat… not present in source — filled with NULL (7) staircase, entrance, po_box, city_district, island, country_region, world_region PARCEL 23 mapped · 16 transformed · 32 unmapped (NULL) SOURCE COLUMNS HARMONIZED → PARCEL parcelid globalid propertyid taxyear assessmentcode proptype totalbuildingvalue totallandvalue totalvalue totalacres ownername owneraddress1 owneraddress2 owneraddress3 ownercity ownerstate ownerzipcode addressline1 legaldescriptionshort township section range geom levydistrict countycd countyname countyabbr gisacres subdivision certificateofsurvey addressline2 citystatezip propaccess continuouscropacres fallowacres farmsiteacres forestacres grazingacres wildhayacres irrigatedacres nonqualacres dbaname careoftaxpayer parcelid NULLIF(TRIM(parcelid), '')::text parcelid2 NULLIF(TRIM(globalid), '')::text taxacctnum taxyear usecode NULLIF(TRIM(assessmentcode), '')::text usedesc NULLIF(TRIM(proptype), '')::text imprvalue landvalue totalvalue taxacres ownername NULLIF(TRIM(ownername), '')::text owneraddr NULLIF(CONCAT_WS(', ', NULLIF(TRIM(owneraddress1), ''), NULLIF(… ownercity NULLIF(TRIM(ownercity), '')::text ownerstate NULLIF(TRIM(ownerstate), '')::text ownerzip NULLIF(TRIM(ownerzipcode), '')::text parceladdr NULLIF(TRIM(addressline1), '')::text legaldesc NULLIF(TRIM(legaldescriptionshort), '')::text township NULLIF(TRIM(township), '')::text section NULLIF(TRIM(section), '')::text range NULLIF(TRIM("range"), '')::text geom taxdistrict NULLIF(TRIM(levydistrict), '')::text extras json_build_object( 'countycd', countycd::text, 'countyname', NU… not present in source — filled with NULL (32) 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, heatfuel, fireplaces, heating cooling, foundation, roofcover, siding

Neighboring counties

Parcel data for counties bordering Jefferson County:

Frequently asked questions

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

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

How many parcels are in Jefferson County, MT?

The current dataset contains 14,333 parcel records for Jefferson County, MT, each with its boundary geometry and assessor attributes.

What is the FIPS code for Jefferson County, MT?

The FIPS code for Jefferson County, MT is 30043.

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

Each Jefferson 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 Jefferson County, MT parcel data free?

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

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

On this page

Attribute coverageSchema mappingNeighboring countiesFAQRelated