Jefferson County, Montana: parcel data and property records
13,063 Jefferson 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 Jefferson 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 Jefferson County: zoning and vacancy. Those fields are carried where the county publishes them.
Most recent recorded sale on file: 2026-09-18.
Areas covered
Parcel counts by place, largest first: Clancy (2,434), Whitehall (1,672), Boulder (1,019), Jefferson City (504), Basin (234).
Recent sales
452 Jefferson 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: Improved Property 45%, Vacant Land 32%, Exempt Property 15%, Mining Claim 5%, Industrial Property 1%.
Nearest counties
- Silver Bow County: about 30 mi away, 21,900 parcels
- Broadwater County: about 35 mi away, 7,572 parcels
- Deer Lodge County: about 45 mi away, 7,622 parcels
- Madison County: about 61 mi away, 19,045 parcels
- Powell County: about 64 mi away, 8,212 parcels
Search Jefferson 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 Jefferson County map See plans
Common questions
How many parcels are in Jefferson County, Montana?
Parcelio carries 13,063 parcel records for Jefferson County, Montana, with owner information on 100 percent of them.
Can I find out who owns a property in Jefferson 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 2026-09-18.
How do I find vacant land or absentee owners in Jefferson County?
We do not hold vacancy data for Jefferson County yet, so this filter has nothing to match there. Vacancy filters work in the counties where we hold the field. Jefferson County does have owner mailing state: 1,327 parcels have an owner mailing address outside Montana.
Can I search Jefferson County by lot size or acreage?
Yes. Acreage is on 100 percent of Jefferson 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.