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Montana property records and tax lookups

Who holds it: Montana Department of Revenue (state agency) has full charge of assessing all taxable property and equalizing values1

Last checked against official sources on .

On this page
  1. Looking up a property and appealing a value
  2. Fees
  3. Older records and indexes
  4. More details
  5. Related records in Montana
  6. How Montana handles it
  7. Property records in Montana counties with a full guide
  8. Official copies vs look-alike sites
  9. Sources

Statewide lookup

Property.MT.gov (Department of Revenue property information lookup): property.mt.gov2

Looking up a property and appealing a value

Appeal step1
Informal review: file Form AB-26 (Request for Informal Classification and Appraisal Review) with DOR within 30 days of the classification and appraisal notice3
Appeal CTAB
County Tax Appeal Board (appointed by county commissioners); appeal form filed with the county clerk and recorder within 30 days of the notice if going directly to CTAB3
Appeal MTAB
Then Montana Tax Appeal Board; MTAB decisions final unless taken to district court3
Protest payment
To protest, pay disputed taxes under written protest to the county treasurer by the due date (MCA 15-1-402)3

Fees

Owner data fee
DOR may not charge a taxpayer for valuation data about the taxpayer's own property4

Older records and indexes

Due dates
Half due by 5 p.m. November 30 (or 30 days after notice postmark if later) and half by 5 p.m. May 31; delinquent taxes draw 5/6 of 1% per month interest plus 2% penalty5

More details

Valuation basis
All taxable property valued at 100% of market value; counties use DOR taxable values to compute taxes2
CTAB session
CTAB hears protests July 1 through December 31 of the tax year6
Alternative schedule
Taxpayers enrolled in the alternative payment schedule for primary residences (MCA 15-16-122) pay one-seventh monthly, Nov 30 through May 315
Deeds: who holds it
County Clerk and Recorder (the county clerk is ex officio recorder) in each of the 56 counties7
Deeds: how to search
Ask the county clerk and recorder to search conveyances, mortgages and other recorded instruments (fee applies), or inspect the indexes in person free of charge8
Liens: liens at the county
County clerk files and indexes liens and other instruments required to be filed: $5 each9

How Montana handles it

  • Property is assessed by the state Department of Revenue (full charge of assessing all taxable property), not by a county office; county treasurers bill and collect1

Property records in Montana counties with a full guide

The local office, its official online search and its own fee, for each county with a full guide. Local fees can differ from the statewide figures above.

CountyOfficeSearch onlineFee
Gallatin CountyMontana Department of Revenue10Property search10—
Yellowstone CountyMontana Department of Revenue, Billings office12Property search11—

For any other county, see the county list on the Montana guide.

Official copies vs look-alike sites

A certified copy comes only from the office that holds the record; reports and "research copies" sold by commercial sites are not issued by any Montana office. How to tell an official record source from a paid look-alike.

Rules in other states: property and tax records in every state. Everything else in Montana: Montana public records guide.

Sources

Every fact above links to the official page it comes from; all 12 sources were checked on November 4, 2026. Fees and rules change, so check the office's own page before you pay or travel.

  1. Mont. Code Ann. § 15-8-101, Department of revenue responsibilitiesMontana Legislature (Montana Code Annotated 2025)
  2. Property (Property Assessment Division)Montana Department of Revenue
  3. Informal Review and Formal Appeal ProcessMontana Department of Revenue
  4. Mont. Code Ann. § 2-6-1007, Special fees allowable for certain informationMontana Legislature (Montana Code Annotated 2025)
  5. Mont. Code Ann. § 15-16-102, Time for payment -- penalty for delinquencyMontana Legislature (Montana Code Annotated 2025)
  6. Mont. Code Ann. § 15-15-101, County tax appeal boardMontana Legislature (Montana Code Annotated 2025)
  7. Mont. Code Ann. § 7-4-2611, Role and duties of county clerk and election administratorMontana Legislature (Montana Code Annotated 2025)
  8. Mont. Code Ann. § 7-4-2621, Search of recordsMontana Legislature (Montana Code Annotated 2025)
  9. Mont. Code Ann. § 7-4-2631, Fees of county clerkMontana Legislature (Montana Code Annotated 2025)
  10. Property (Property Assessment Division)Montana Department of Revenue
  11. Tax & Assessment Data SearchYellowstone County Treasurer
  12. Tax Appeal BoardYellowstone County