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Petroleum County, MT Parcels & GIS Data

Petroleum County, MT parcel data: 4,544 property records with owner names, assessed values, land use, acreage, and addresses. Preview and download.

Land Records publishes Petroleum County, Montana parcel data covering 4,544 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 4,544 parcels in the current dataset. Column coverage is the percentage of those parcels for which the attribute is populated (non-NULL).

ColumnCoverageRecords populated
lrid100%4,544
parcelid100%4,544
parcelid2100%4,544
ogparcelid100%4,544
ogparcelid2100%4,544
parentid<0.1%0
stackid<0.1%0
geoid100%4,544
statefp100%4,544
countyfp100%4,544
countyname100%4,544
cousubfp100%4,544
cousubname100%4,544
tractce100%4,544
tractname100%4,544
taxacctnum3.6%162
taxyear100%4,544
taxdistrict100%4,544
usecode100%4,544
usedesc100%4,544
zoningcode<0.1%0
zoningdesc<0.1%0
numbldgs100%4,544
numunits10.2%465
yearbuilt4.9%221
numfloors4.9%221
bldgsqft4.9%221
bedrooms4.8%219
halfbaths0.6%26
fullbaths4.6%211
imprvalue8.2%374
landvalue99.9%4,540
agvalue<0.1%0
totalvalue99.9%4,540
taxacres100%4,544
calcarea100%4,544
saleamt<0.1%0
saledate64.3%2,920
ownertype100%4,544
ownername100%4,544
owneraddr100%4,544
ownercity100%4,543
ownerstate100%4,543
ownerzip100%4,543
parceladdr100%4,544
parcelcity13.9%631
parcelstate100%4,544
parcelzip100%4,544
legaldesc100%4,544
township98.7%4,484
section98.7%4,484
qtrsection98.7%4,484
range98.7%4,484
plssdesc98.7%4,484
book16.6%753
page16.6%753
block<0.1%0
lot<0.1%0
parceltype33.0%1,499
accesstype33.0%1,499
iucnclass29.4%1,338
placename33.4%1,516
placetype33.4%1,516
firmid100%4,544
firmdate100%4,544
fldzone100%4,544
zonesubty98.2%4,464
staticbfe<0.1%0
elevmin37.2%1,690
elevmax37.2%1,690
elevavg37.2%1,690
fireplaces0.6%28
heating4.9%221
heatfuel4.9%221
cooling4.9%221
foundation4.9%221
roofcover4.8%216
siding4.9%221
bldgtype<0.1%0
naicscode55.4%2,517
frsid<0.1%0
dfrurl<0.1%0
caapermit<0.1%0
cwapermit<0.1%0
rcrapermit<0.1%0
updated100%4,544
centroidx100%4,544
centroidy100%4,544
surfpointx100%4,544
surfpointy100%4,544
geom100%4,544
extras100%4,544
ownerlist99.9%4,538
placefp9.8%444
zoningurl<0.1%0

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) 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 37.2% elevmin 37.2% elevmax 37.2% elevavg s_fld_haz_ar · FEMA NFHL 100% fldzone 98.2% zonesubty 100% firmdate 100% firmid supplemented · derived / other pipelines 100% usecode 100% numbldgs 64.3% saledate 100% parcelstate 100% parcelzip 98.7% qtrsection 98.7% plssdesc 55.4% naicscode 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 parcelstate parcelzip legaldesc township section qtrsection range plssdesc firmid firmdate fldzone zonesubty elevmin elevmax elevavg naicscode 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 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 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 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 4,544 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