What's New!

2020 Annual Conference Early Registration Open

Attendees interested in registering as an attendee or guest for the 2020 IAAO Annual Conference prior to December 31, 2019 may do so online. Hotel room reservations, single day registration, and purchase of Closing Banquet and other events will be offered beginning in March. Registration fees for members are $645 and $845 for nonmembers. Guest registration is $300.

Submit your presentation ideas for the conference!

Interested in presenting at the 2020 IAAO Annual Conference in Denver? The Call for Presentations is now open. The submission deadline is Jan. 31, but anyone interested is encouraged to submit presentation ideas as soon as possible. Registration discounts of up to $200 may be available to presenters. 

Verification and Adjustment of Sales Standard exposed for comments

The IAAO Verification and Adjustment of Sales Task Force recently completed the revisions to the draft Standard on Verification and Adjustment of Sales and the IAAO Board of Directors approved its released for exposure. The IAAO Standard on Verification and Adjustment of Sales (the "Standard") key principles discussed would enable a jurisdiction to conduct proper verification and adjustment of sales. Comments are due by January 28, 2020  and can be sent to Larry Clark at clark@iaao.org.

Esri, IAAO partner to offer software to new members

Esri and IAAO announced a partnership to allow new members of IAAO to have yearlong access to Esri’s ArcGIS platform. The partnership between Esri and IAAO will deliver ArcGIS for one year to every new member who joins IAAO until Sept. 31, 2020. The new members will have access to ArcGIS for use at home for noncommercial, personal use.


2020 Conference Registration Open

Submit a presentation for conference

Verification standard exposed for comments

Esri, IAAO partner to offer software to new members








Upcoming Meetings

Registration open for Emerging Leadership Summit

Registration is now open for IAAO's second annual Emerging Leadership Summit, set for April 2-3, 2020 in Chicago, IL. The Summit is designed to provide a powerful professional development opportunity for emerging leaders who have a desire to advance their careers in the assessment industry. Attendees will come away with a new network of peers and colleagues with a shared purpose who can support each other in their careers long after the summit is over. 

Early bird registration deadline is Jan. 14 for GIS/Valuation Conference, March 23-26 in Louisville

Registration is now open for the 2020 GIS/Valuation Technologies Conference, March 23-26 in Louisville, Kentucky. Formerly known as GIS/CAMA, the event was re-branded to take into account the abundance of technologies that, when integrated with GIS, make valuation and assessment more accurate, efficient and applicable for jurisdictions of all sizes. #GIS/ValTech2020 will feature an exhibition, pre-conference workshops, keynote speakers, and a substantial educational program.  

January webinar on Mass Appraisal Modeling & Spatial Analysis in R

This introductory webinar will introduce the features available in the free and open source software R. Set for Wednesday, January 29 at noon CST, this webinar will cover accessing and downloading R to your computer; importing, cleaning, and mapping sales data sets; creating and interpreting basic multiple regression analysis (MRA) models; validating models on holdout sales data using simple ratio studies; and plotting sales data and model performance on maps. To reinforce the concepts discussed during this webinar, attendees will receive links to both R reproducible scripts and real assessment data so that learning is translated into hands-on application back in the office.

Registration for International Research Symposium now open

Registration is now open for the International Research Symposium, May 13-15 in Copenhagen, Denmark, at the Copenhagen Marriott. The symposium will offer an exploration of the intersection of public policy and mass appraisal standards, guidance, and implementation challenges. The Symposium offers an exchange of knowledge and emerging technology trends for continuous improvement of land administration and property tax systems world-wide. 


Emerging Leadership Summit

2020 GIS/Valuation Conference

January webinar on Mass Appraisal Modeling and Spatial Analysis in R 

Registration for International Research Symposium open

Industry Events

Change View
  • January 29 2020
    Mass Appraisal Modeling and Spatial Analysis in R 01/29/2020 This introductory webinar will demonstrate features of the free and open source software R. It will cover the following topics:
    - accessing and downloading R to your computer.
    - importing, cleaning, and mapping sales data sets
    - creating and interpreting basic multiple regression analysis (MRA) models
    - validating models on holdout sales data using simple ratio studies
    - plotting sales data and model performance on maps
    -Links to R reproducible R scripts and real assessment data will be provided to attendees for additional learning reinforcement opportunities.

    This event is worth 2 hours of CEUs.
    Add to Calendar
  • February 7 2020
    Spring Leadership Days 02/07/2020 Registration for this event is open to committee invitation only. The InterContinental Kansas City on the Plaza 401 Ward Parkway Kansas City, MO 64112 United States. Add to Calendar
  • March 23 2020
    GIS/Valuation Technologies Conference 03/23/2020 The GIS/Valuation Technologies Conference is jointly presented by URISA and IAAO and is designed to foster collaboration and integration of data, technology and functionality.

    The 2020 Conference will take place in Louisville, Kentucky. Currently URISA is accepting proposals for sessions at the conference and more information is available on the URISA website at https://www.urisa.org/gisvaltechcall.
    Add to Calendar
  • April 2 2020
    Emerging Leadership Summit 04/02/2020 Join IAAO for the second annual Emerging Leadership Summit in Chicago, IL on April 2-3, 2020. The Summit is designed to provide a powerful professional development opportunity for emerging leaders who have a desire to advance their careers in the assessment industry. Add to Calendar
  • May 13 2020
    International Research Symposium 05/13/2020 The 2020 IAAO International Research Symposium is set for May 13-15 in Copenhagen, Denmark, and will offer an exploration of the intersection of public policy and mass appraisal standards, guidance, and implementation challenges. Add to Calendar
  • August 28 2020
    Instructor Education Workshop 08/28/2020 Add to Calendar
  • August 30 2020
    86th Annual Conference On Assessment Administration 08/30/2020 Join IAAO for the 86th Annual Conference on Assessment Administration in Denver, Colorado. The annual conference provides educational sessions, networking, special events, and exhibits.

    Add to Calendar
View All Events

Find the resources you need in the library

Looking for an IAAO resource? Find all of our internationally recognized publications, standards, and periodicals here. Members have full access to the IAAO Library as well as IAAO Connect, our member community networking tool.

Research Exchange

The new IAAO Research Exchange is also now available. The Research Exchange is the central repository for research papers and journal articles relevant to the property tax assessment and administration community.

Subject Guides

The library recently released two new subject guides. The Marijuana Valuation Subject Guide provides links to articles, reports and websites with information on this new special property type. The Sustainable Architecture Subject Guide focuses on how green buildings features impact property valuation.

Research Exchange

Subject Guide on Marijuana Valuation

New Sustainable Architecture Subject Guide

More about IAAO Resources