Montana Cadastral Review

The Computer Assisted Mass Appraisal database maintained by the Montana Department of Revenue (DOR) includes a definition of the written legal description of taxable and non-taxable parcels, as well as land ownership. The Montana Cadastral Framework provides a digital representation of this written legal description (CAMA) of Public lands (those owned by the federal government, a state or local government, or any other authority at any level), tribal lands in the United States, or lands held in tribal trust. Other types of exempt property, such as property owned by churches, are examples of non-taxable parcels.

Coordinated Database

The Geographic Coordinate Database maintained by the Bureau of Land Management utilizes to construct the aliquot parcel borders (GCDB). The non-aliquot parcels, also known as parcels that are based on bearings and distances. They are/were created by the utilization of coordinate geometry (COGO) and/or the initial digitization of paper and Mylar maps or documents, and they still predominantly remain on a GIS base.

Geographic Information

The Geographic Information Services of the Montana State Library offers this product or service exclusively for informative purposes. The Library did not produce it for any legal, engineering, or surveying purposes, and it is not fit for any of those uses. Users of this information ought to examine or seek advice from the primary data and information sources to evaluate. Whether the information is useful for the reasons they have in mind.

The Library makes these data available in good faith. But it does not represent or warrant that the data are accurate, adequate, or comprehensive.

This includes any direct, indirect, special, or consequential damages to any party. The only reason the Library makes these records and services accessible to the general people is to make their lives easier. They are not provided for any other reason. The Library has the authority to make any modifications or corrections. The published data and/or services at any time without prior notice.

The functions

What are the 10 functions of literature everyone should know about?

This website’s goal is to make it easier for members of the public to conduct research on both public and private land by providing access to its most fundamental features. It is not meant to be an all-purpose program that caters to each and every unique requirement. This website is responsible for the following elementary responsibilities:

  • Use the “parcel search” feature to look up information on a piece of property based on its geocode, owner, or subdivision.
  • You can conduct a search for property details by focusing your attention on a particular region of the map and locating one parcel at a time.
  • Download the data on the individual parcels as well as the Computer Assist Mass Appraisal (CAMA) data from the Department of Revenue.

The first thing that you need to realize is that the data used in the Montana Cadastral Mapping Project. It is NOT intended to function as a land records system, and it derives from data that provides by the Montana Department of Revenue (DOR). The sole objective of the data collection and storage is to support the administration of the property tax assessment process. There is no legal requirement that these records make accessible in the form of a land records system.

This has been an extremely forward-thinking and fruitful endeavor on the part of the Montana State Library. Which developed the Cadastral web map program and included the DOR parcel data for the benefit of all Montanans. Only a handful of states in the country have cadastral systems that cover the entire state.

Department of Revenue

The Department of Revenue and the State Library in Montana have seen significant budget reductions in the state’s most recent round of budgeting. The Department of Revenue (DOR) staff used to be available in every county to manage assessment and parcel data; however, many counties now have to share DOR staff.

This has already negatively impacted the quantity of data collect and the timeliness with which it enter. Additionally, many GIS posts have been eliminated due to budget cuts at the State Library. It is becoming increasingly clear that both the quality of the data and its timeliness inside the Cadastral Project are likely to deteriorate in the near future.

When people ask me questions, one of the most common ones is how to fix map application mistakes. You must get in touch with the local DOR staff responsible for that county. If the problem is due to incorrect data in the property record card. DOR employees can only fix errors in the data on property cards. The Department of Revenue can reach using the following URL.


Concerning concerns with parcel boundaries, there are many ways in which parcel boundaries might be modified. Some of them have revise that base on surveys carried out by surveyors. This can be the result of private surveys in which the surveyor registers corner points at the office of the County Clerk and Recorder. It can be the result of grants that the State Library occasionally offers to surveyors. In order to encourage them to update control points for specific regions. In addition, cartographers at the DOR are constantly revising the parcel lines. Suppose you are participating in a project that requires a survey.

In that case, one thing that real estate professionals can do is encourage the surveyor to file corners. With known coordinates at the office of the County Clerk and Recorder. This is one thing that real estate professionals can do.

It is in all of our best interests as members of the rural real estate business to not only be well-inform about the cadastral data. On which we rely but also to be actively involves in promoting its application and expansion. As individuals and groups, we need to make it clear to our elected officials that collecting and analyzing. This data is an important and efficient use of public dollars.


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