Article
Section
Overview of Assessments
Beacon Basic
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History of Property Valuation Changes
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Annual Adjustments
Annual Adjustments or “trending” of property values became part of Indiana’s move to a market-based assessment system that began in 2002.
Trending requires assessors to research sales of properties in a particular area over the previous two years. Using that information, assessors then estimate the values of other properties in the same area to determine an assessed value.
Please see our Fact Sheet for more information on Annual Adjustments.
Ratio Study Approval Information
As part of the Annual Adjustment process, counties are responsible for submitting a ratio study and uniformity for all classes of property in all townships. The ratio study measures the accuracy and equity of assessments. It is determined by the formula: Assessed Value/Sale Price = Ratio. The assessment ratio for all properties in Indiana is to be 100%.
The accuracy of assessments refers to how close the assessments determined by local assessing officials are to market value-in-use.
See County Specific Information for your county’s Ratio Study
Real Property Guidelines
The 2011 (sic 2012) rule and manual applies to the reassessment process, used by Indiana Assessors, for the 2012 pay 2013 property tax year. By statute, the Department of Local Government Finance adopted this new rule change July 1, 2009; however, due to a legislative delay, the reassessment commenced July 1, 2010. The 2011 (sic 2012) rule replaces the language used as part of the 2002 reassessment rule and manual. The 2011 (sic 2012) rule applies the appropriate "True Tax Value" definition for assessing property.
The Department has released updated cost schedules for use in the 2013 annual adjustment. Further updates will be released on an annual basis.
2002 Real Property Rule
2011 Real Property Rule
Appendices: Book 1
- 2011 Appendix A
- 2011 Appendix B
- 2018 Appendix C (with errata; February 2, 2018)
For Historical Purposes Only
- 2011 Appendix C
- 2013 Appendix C (with errata)
- 2013 Assessment Guidelines: List of Errata (December 12, 2012)
- Appendix C Errata
- 2014 Appendix C (October 31, 2014)
- 2014 Appendix C (with errata) (January 14, 2015)
- Location Cost Multipliers for 2017 Cost Update
- Modifiers for each county
- Updated Location Cost Modifiers for the 2017 Annual Adjustment - November 18, 2016
Appendices: Book 2
- 2011 Appendix D
- 2011 Appendix E
- 2011 Appendix F
- 2018 Appendix G (with errata; February 2, 2018)
For Historical Purposes Only
- 2011 Appendix G
- 2013 Appendix G (with errata)
- 2013 Assessment Guidelines: List of Errata (December 14, 2012)
- 2014 Appendix G (October 31, 2014)
- (Updated Location Cost Modifiers below should be used in place of existing LCM's in the 2014 Appendix G)
- Updated Location Cost Modifiers for the 2017 Annual Adjustment - November 18, 2016
Glossary
For More Information
For more information on the assessed values of property in Indiana, contact your County Assessor. A complete listing of Assessor contact information can be found online at http://www.in.gov/dlgf/2440.htm.