ParcelioPetroleum County, Montana: parcel data and property records
4,495 Petroleum County parcels on one searchable map: owner of record and mailing address, assessed and appraised values and recorded sales, plus lot boundaries and location. Screen by absentee ownership, acreage, year built and owner tenure.
What the data covers
These bars show real field-by-field coverage for Petroleum County in our database, so you know exactly what you are getting before you search. Numbers refresh as the county publishes new records.
Not held for Petroleum County: zoning and vacancy. Those fields are carried where the county publishes them.
Most recent recorded sale on file: 2026-08-31.
Areas covered
Parcel counts by place, largest first: Winnett (267), Mosby (16), Grass Range (12), Roundup (11).
Recent sales
111 Petroleum County parcels have a recorded sale dated since November 2025. Non-disclosure state: Montana does not require sale prices to be made public, so none is summarized here.
Land use mix
The most common land use or property class on file, as the county writes it, by share of parcels with one: Vacant Land 61%, Exempt Property 31%, Improved Property 8%.
Nearest counties
- Fergus County: about 46 mi away, 20,670 parcels
- Musselshell County: about 50 mi away, 7,898 parcels
- Garfield County: about 61 mi away, 9,230 parcels
- Golden Valley County: about 69 mi away, 2,560 parcels
- Phillips County: about 74 mi away, 14,477 parcels
Search Petroleum County parcels
The map is free to browse - parcel lines, boundaries, and location. Owner of record, assessed values, recorded sales, year built and the full parcel report come with a plan that costs less than one hour of a title runner's time.
Explore the Petroleum County map See plans
Common questions
How many parcels are in Petroleum County, Montana?
Parcelio carries 4,495 parcel records for Petroleum County, Montana, with owner information on 100 percent of them.
Can I find out who owns a property in Petroleum County?
Yes. Search by owner name, address, or parcel number to pull the record: owner of record and mailing address, assessed values, recorded sales, year built and lot lines on the map. Sale records here currently run through 2026-08-31.
How do I find vacant land or absentee owners in Petroleum County?
We do not hold vacancy data for Petroleum County yet, so this filter has nothing to match there. Vacancy filters work in the counties where we hold the field. Petroleum County does have owner mailing state: 499 parcels have an owner mailing address outside Montana.
Can I search Petroleum County by lot size or acreage?
Yes. Acreage is on 100 percent of Petroleum County parcels, mapped from the parcel boundary, and the advanced search filters on it directly - set a minimum and maximum to pull every tract in that range, then stack vacancy or absentee ownership on top.