Operating Property Reporting

Every person or company owning operating property in Idaho is required to file a report (see operator statement below) with the Tax Commission by April 30 of each year. This report may include asset listings, financial statements, reports to stockholders, and reports to regulatory agencies.

Form R

Property is identified as either operating or nonoperating when the owner files a pdf Record of Real Estate Ownership – State of Idaho (Form R) with the Tax Commission. After a review by the Tax Commission, the Form R is sent to each county where the property is located. Nonoperating property is appraised at the local level by the county assessor rather than by the Tax Commission.

Operator statement

Operating property owners obtain an operator’s statement form and submit it to the Tax Commission. Included in the statement is a report identifying the location of the company’s property by county and tax code area. For property tax purposes, each county in Idaho is divided into tax code areas that are determined by the boundaries of taxing districts. Rather than reporting individual property items by specific location, the companies generally report the location and length of their wire, pipe, or rail in a particular tax code area. For more information, see Idaho Code section 63‑404 and Idaho Code section 63‑411, and Property Tax Rules 404 and 411‑417.

More information

Assessments for operating property (also known as centrally assessed property) are developed by the Property Tax Division’s Operating Property Bureau. If you have questions, please contact that bureau or review these operating property forms, and guides.

Apportionment of Operating Property

Apportionment is the process of assigning the value of operating property to the appropriate taxing district.

Calculating

It’s done by calculating the value per mile of wire, pipe, or rail in Idaho and applying this rate per mile to each tax code area in which the wire, pipe, or rail is located. Apportionment for electric companies is done on a rate per wire mile for each county.

Some items, such as leased equipment and microwave facilities, are reported separately and assessed at their actual physical location.

For more information on apportionment, see Idaho Code section 63-405 and Property Tax Rules 405 and 413-417.

Appeals

If an operating property owner disagrees with the appraised property value, the owner can meet with the appraiser to informally discuss the valuation and can also request a formal hearing before the Tax Commission. The owner must request a formal hearing before August 1. For more information on appeals, see Idaho Code sections 63-406 through 63-410 and Property Tax Rules 407 and 408.

Map orders

Every year Idaho counties submit tax code area changes to the Tax Commission’s Geographic Information Systems (GIS) section of the Property Tax Division. Digital copies of the maps for these tax code areas are available to the operating property owners, at no charge, on our website’s GIS and Property Tax page. You can also purchase CD or paper versions of these maps.

More Information

Assessments for operating property (also known as centrally assessed property) are developed by the Property Tax Division’s Operating Property Bureau. If you have questions, please contact that bureau or review these operating property forms, and guides.

Final Values

Please review your county’s final operating property value information. These values were adopted by the State Board of Equalization on August 25, 2025. Please contact us if you have any questions or comments.

Select one of the counties listed in the drop-down menu. Click on the report you would like to view/print.

  

Preliminary Values

Forms

Form ID Form Name Revision Date Is Fillable
02-17-2026
01-15-2026
02-17-2026
02-17-2026
02-17-2026
02-17-2026
03-31-2026
02-17-2026
03-31-2026
03-31-2026
R 03-31-2026
02-17-2026
02-17-2026
02-17-2026
03-31-2026
01-01-2017
03-31-2026
02-17-2026

Guides

Guide Name Revision Date
2025 Centrally Assessed Cap Rates 05-20-2025

Property Appraisers Forms

Form ID Form Name Revision Date Is Fillable
02-17-2026
01-15-2026
01-15-2026
01-15-2026
01-15-2026
10-16-2024
FT-103 03-19-2002
02-17-2026
02-17-2026
04-30-2026
02-17-2026
FT-101 04-01-2002
12-04-2023
03-31-2026
STCPCE 03-03-1998
02-17-2026
03-31-2026
03-31-2026
02-17-2026
06-28-2002
02-17-2026
08-22-2002
08-22-2002
02-17-2026
03-31-2026
01-01-2017
03-31-2026
02-17-2026
49E 08-18-2025

Property Appraisers Guides

Guide Name Revision Date
Committee on Forest Land Taxation Methodology (CFTM) Meeting Notes 03-25-2010
List of Categories 09-24-2024
Manufactured Housing 04-15-2019

Online Guide

The Property Appraisal unit includes education, forestry/timber, personal property, and centrally assessed property.

Centrally assessed property

Centrally Assessed Property is appraised by the Idaho State Tax Commission for tax purposes. It is appraised as a unit, which is a technique used to value a group of property items as one entity. Companies are required to file an operator statement by April 30 of each year. In addition, companies are also required to submit any changes in real estate ownership on Form R.

Locally assessed property

Consulting Appraisers are the primary contact between county elected officials and the State Tax Commission. Consulting appraisers serve eight regions throughout the state. The appraisers offer assistance to the county commissioners, assessor, clerk/auditor, and treasurer upon request. However, they spend most of their time in the field teaching, directly helping individual assessors, and monitoring assessment performance.

Education & certification

Personal Property Valuation

In Idaho, county assessor’s offices assess value on personal property in their county.

Personal property defined

Idaho law defines personal property as everything that’s the subject of ownership and that isn’t included within the term real property. Examples are tools, unattached store counters and display racks, desks, chairs, file cabinets, computers, office machines, and medical instruments. Buildings, structures, and fixtures are not personal property. To determine if an item is a fixture, a “three factor test” is applied to each item. If all three factors of the test apply to the item, it’s considered a fixture. Otherwise, the item is personal property.

For the definition of “fixtures” and an explanation of each factor, see Idaho Code section 63-201(9) and Property Tax Administrative Rule 35.01.03.205(03).

Important dates

  • March 15: You must return your personal property declaration to the county assessor by March 15.
  • First Monday in June: The county assessor usually mails an assessment notice to you by the first Monday in June.
  • First Monday in November: If your personal property changes status from exempt to nonexempt during the year, you must report it by the first Monday in November.
  • December 20 and June 20: The county treasurer mails most tax bills by the fourth Monday of November. If you pay the first half by December 20, the second half is due by June 20 unless the treasurer demands earlier payment. Contact the treasurer for information about installment payments and your bill. (For December assessments, you should receive the bill in January of the following year.)

Not reporting or not paying property tax

If you don’t report personal property, the county assessor must estimate the value of taxable personal property that isn’t declared. The assessment is based on the best information available. If you don’t pay your personal property tax on time, penalty and interest will apply to overdue taxes. Overdue taxes, accrued interest, and penalty are also a lien against your property. The county sheriff can seize and sell your property for nonpayment of property taxes.

Closing or selling your business

It’s a misdemeanor to sell your personal property or remove it from the county without first paying the tax due. If you sell or close a business, you should notify the county assessor as soon as possible. The assessor will explain how your assessment will be handled.

Tax-exempt personal property

The following list describes some of the personal property exempt from taxation:
  • Any stand-alone item purchased after January 1, 2013, with a total acquisition and installation cost of $3,000 or less. Items must be reported as a unit and must include the total purchase price of all components if they don’t function independently.
  • The first $250,000 of a taxpayer’s personal property not otherwise exempt in each county. Taxpayers using the property in a common enterprise or in related organizations with essentially the same management are eligible for only one $250,000 exemption per county. See Property Tax Administrative Rule 35.01.03.627 for an explanation of common enterprise.
  • Personal effects, clothing, and household items (unless used in a business)
  • Vehicles and vessels properly registered in the state of Idaho
  • Livestock
  • Business inventory
  • Equipment used for nonprofit educational purposes
  • Medical equipment owned or leased by qualifying hospitals
  • Property owned by fraternal, benevolent, and religious organizations
  • Facilities for water or air pollution control
  • Agricultural machinery and equipment used exclusively in production of crops, livestock, or nursery stock
  • Certain intangible personal property
Some other exemptions are allowed by law. Contact your county assessor for more information.

Taxable personal property

All personal property in Idaho, unless exempt, is subject to assessment and taxation. You must report all of your taxable personal property to your county assessor using a personal property declaration form available from the assessor. If the value of all of your personal property is $250,000 or less, you previously qualified for the $250,000 exemption, and you haven’t acquired taxable personal property that would result in a total value greater than $250,000, you may not need to file annual reports. Check with your assessor.

Valuation of personal property

The assessor uses the information provided on your declaration to determine the current retail market value. This value includes shipping, installation, and other costs incurred to have the property functioning. Several tools or methods are used to arrive at this value, including depreciation tables, sales information, cost guides, and other sources.

Market value defined

Market value is the amount of United States dollars or equivalent for which, in all probability, a property would exchange hands between a willing seller under no compulsion to sell and an informed, capable buyer, with a reasonable time allowed to complete the sale.

Assessed value of your personal property

The value of personal property is stated on the assessment notice. The county assessor usually mails this notice to you by the first Monday in June. If you start a new business after January 1, the assessment notice for your personal property is usually mailed by the fourth Monday of November. The assessment notice for transient personal property is also mailed in November. When you get your notice, look at it carefully to make sure all the information is accurate. (See Appealing my personal property assessment, below.)

Determining your personal property tax

Many kinds of taxing districts exist in Idaho. Some, like cities and counties, provide a wide range of services. Other districts levy taxes for specific purposes like highways, schools, or fire protection. Each taxing district is administered by officials who determine how much money the district needs to provide services. After a district’s budget is set, the part of the budget funded by property taxes is divided by the total taxable value of all property within the taxing district to arrive at a tax rate. The tax rate is multiplied by the taxable value of your property, resulting in the amount of taxes you owe. Some district levies don’t apply to personal property.

Appealing your personal property assessment

Contact your county assessor if you disagree with the assessed value or you have questions about your assessment. You can review the information that the assessor has to ensure its accuracy. If you can’t resolve your disagreement with the assessor, you may appeal to the county board of equalization, which consists of your elected county commissioners. Please contact your county clerk for information. Be prepared to document your reasons for requesting a change in your property’s assessed value. You’ll need to show that the assessor’s value is not the current market value of the personal property.