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Petroleum County, MT Parcels & GIS Data

Petroleum County, MT parcel data: 4,582 property records with owner names, assessed values, land use, acreage, and addresses. Preview and download.

Land Records publishes Petroleum County, Montana parcel data covering 4,582 property records.

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

Petroleum County is a county in the U.S. state of Montana. As of the 2020 census, the population was 496, making it the least populous county in Montana and the eighth-least populous in the United States. Its county seat is Winnett.

FIPS 30069

Official county website: http://www.petroleumcountymt.com

The FIPS code for Petroleum County is 30069.

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Attribute coverage

Petroleum County contains 4,582 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%4,582
parcelid99.5%4,557
parcelid2100%4,582
ogparcelid99.5%4,557
ogparcelid2100%4,582
parentid<0.1%0
stackid<0.1%0
geoid100%4,582
statefp100%4,582
countyfp100%4,582
countyname100%4,582
cousubfp100%4,582
cousubname100%4,582
tractce100%4,582
tractname100%4,582
taxacctnum99.5%4,557
taxyear100%4,582
taxdistrict99.5%4,557
usecode99.2%4,546
usedesc99.5%4,557
zoningcode<0.1%0
zoningdesc<0.1%0
numbldgs99.4%4,555
numunits10.4%475
yearbuilt4.8%221
numfloors4.8%221
bldgsqft4.8%221
bedrooms4.8%219
halfbaths0.6%26
fullbaths4.6%211
imprvalue96.2%4,409
landvalue99.5%4,557
agvalue<0.1%0
totalvalue99.5%4,557
taxacres99.5%4,557
calcarea100%4,582
saleamt<0.1%0
saledate63.7%2,920
ownertype99.5%4,557
ownername99.5%4,557
owneraddr99.5%4,557
ownercity99.4%4,556
ownerstate99.4%4,556
ownerzip99.4%4,556
parceladdr15.2%697
parcelcity13.8%633
parcelstate100%4,582
parcelzip100%4,582
legaldesc99.5%4,557
township98.7%4,522
section98.7%4,522
qtrsection98.7%4,522
range98.7%4,522
plssdesc98.7%4,522
book16.4%753
page16.4%753
block<0.1%0
lot<0.1%0
parceltype32.8%1,503
accesstype32.8%1,505
iucnclass29.3%1,342
placename33.3%1,524
placetype33.3%1,524
firmid100%4,582
firmdate100%4,582
fldzone100%4,582
zonesubty98.2%4,501
staticbfe<0.1%0
elevmin37.5%1,716
elevmax37.5%1,716
elevavg37.5%1,716
fireplaces0.6%28
heating4.8%221
heatfuel4.8%221
cooling4.8%221
foundation4.8%221
roofcover4.7%216
siding4.8%221
bldgtype<0.1%0
naicscode54.9%2,515
frsid<0.1%0
dfrurl<0.1%0
caapermit<0.1%0
cwapermit<0.1%0
rcrapermit<0.1%0
updated99.4%4,555
centroidx100%4,582
centroidy100%4,582
surfpointx100%4,582
surfpointy100%4,582
geom100%4,582
extras100%4,582
ownerlist99.2%4,545
placefp9.8%449
zoningurl<0.1%0
lbcsactivity66.1%3,029
lbcsfunction7.7%352
lbcstype91.1%4,172
lbcscharacter74.4%3,409
lbcsownership99.5%4,561
sourceurl95.6%4,382

Schema mapping

How source columns from the acquired Petroleum 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 — Petroleum County, Montana (30069) 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 99.4% updated geom · derived from geometry geom dem.us_1m · USGS 1m DEM 37.5% elevmin 37.5% elevmax 37.5% elevavg s_fld_haz_ar · FEMA NFHL 100% fldzone 98.2% zonesubty 100% firmdate 100% firmid supplemented · derived / other pipelines 99.4% numbldgs 63.7% saledate 100% parcelstate 100% parcelzip 98.7% qtrsection 98.7% plssdesc 54.9% naicscode 99.2% ownerlist 66.1% lbcsactivity 91.1% lbcstype 74.4% lbcscharacter 100% lbcsownership 95.6% 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 parcelstate parcelzip legaldesc township section qtrsection range plssdesc firmid firmdate fldzone zonesubty elevmin elevmax elevavg naicscode updated centroidx centroidy surfpointx surfpointy geom extras ownerlist lbcsactivity lbcstype lbcscharacter lbcsownership sourceurl publish.parcel_layer columns not fed by these sources (40) — empty or below 50% fill in this county parentid, stackid, zoningcode, zoningdesc, numunits, yearbuilt, numfloors, bldgsqft, bedrooms, halfbaths, fullbaths, agvalue, saleamt parcelcity, book, page, block, lot, parceltype, accesstype, iucnclass, placename, placetype, staticbfe, fireplaces, heating, heatfuel, cooling foundation, roofcover, siding, bldgtype, frsid, dfrurl, caapermit, cwapermit, rcrapermit, placefp, zoningurl, 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 Petroleum County:

Frequently asked questions

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

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

How many parcels are in Petroleum County, MT?

The current dataset contains 4,582 parcel records for Petroleum County, MT, each with its boundary geometry and assessor attributes.

What is the FIPS code for Petroleum County, MT?

The FIPS code for Petroleum County, MT is 30069.

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

Each Petroleum 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 Petroleum County, MT parcel data free?

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

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

On this page

Attribute coverageSchema mappingNeighboring countiesFAQRelated