Jefferson County, MT

Jefferson County, MT assessor property search and records

Use this county guide to find official assessor property search resources, recorder and deed links, tax records, GIS parcel maps, permits, and property data insights for Jefferson County, Montana. Search an address or APN, then jump to official county sources or property tax and value data.

Official sources

Jefferson County assessor, recorder, tax, and parcel map sources

Use this table to find the official county source for assessor property search, recorded documents, property tax, GIS parcel maps, permits, and zoning records.

Jefferson County official assessor, tax, deed, GIS, permit, and land-use sources
Record typeOfficial sourceNotes
Assessed valuesMontana Department of Revenue Property Searchsvc.mt.gov/dor/property/cov
  • Primary source for property characteristics and assessment data in Montana.
Deeds and recorded documentsJefferson County Clerk and Recorder Public Recordswww.idocmarket.com
  • Records since April 1, 1980 are available online.
Property taxesJefferson County Treasurer Property Tax Searchwww.mtcounty.com/bmsrdl/tax_search.php
  • Official portal for property tax payments and search.
GIS and parcel mapsMontana Cadastral Parcel Mapsvc.mt.gov/msl/cadastral/
  • Statewide parcel mapping; for informational purposes only, not a legal survey.
Permits and building recordsMontana Building Codes Bureaubsd.dli.mt.gov/building-codes-permits/permit-applications/building-permits/
  • State-level portal for building permits; local planning department may handle specific zoning permits.
Zoning and land useJefferson County Planning Department Zoning Mapjeffcomt.maps.arcgis.com/apps/mapviewer/index.html
  • Official zoning map provided by the County Planning Department.
County data

Jefferson County tax rates and property values

County and city-level rollups from AssessorSearch indexed property data. Use these values as directional context, then verify parcel-specific details with the official county sources above.

Median estimated value$387,007

Median estimated market value for properties in this county.

AssessorSearch county data
Median assessed value$348,900

Median assessed value from county assessment records when available.

AssessorSearch county data
Median annual property tax$1,686

Median annual property tax amount from indexed tax records when available.

AssessorSearch county data
Median effective property tax rate0.46%

Median effective property tax rate calculated from annual tax and value fields.

AssessorSearch county data

City property data

Top city rollups for estimated value, assessed value, property tax rate, and tax amount.

Jefferson County city-level property value and tax-rate rollups
CityMedian estimated valueMedian assessed valueMedian effective property tax rateMedian tax amount
Clancy$611,451$454,9000.29%$1,818
Whitehall$375,360$335,4000.46%$1,555
Boulder$377,549$341,6500.53%$1,929
Jefferson City$267,072$210,0650.27%$877
Basin$225,101$185,4310.42%$685
Cardwell$203,706$163,5150.39%$297
Butte$449,155$388,4500.23%$1,118
Three ForksPendingPendingPendingPending
East Helena$1,032,511$1,280,9941.14%$9,916
FAQ

Jefferson County property records FAQ

Common questions about assessor, deed, tax, GIS, and permit records.

Where can I verify assessed value in Jefferson County?

Use the official Montana Department of Revenue Property Search for assessed values, parcel details, exemptions, and property characteristics when those records are available online.

Where can I find deeds or recorded documents in Jefferson County?

Use the official Jefferson County Clerk and Recorder Public Records for deeds, mortgages, liens, plats, and other recorded documents. These records are usually separate from assessor property-value records.

Where can I view parcel maps or GIS data in Jefferson County?

Use the official Montana Cadastral Parcel Map for parcel maps, map layers, boundaries, and GIS context. GIS maps should be treated as reference tools, not legal surveys.

Can I build a list of Jefferson County property owners?

Use Affix by AssessorSearch for county property owner lists, filters, exports, skip tracing, and outreach workflows.

Related counties

More Montana property records

Use related county pages when researching nearby property records or comparing official source patterns.