IAAO Research Exchange
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Strength in Numbers: Large Jurisdictions Collaborating for National Solutions
No full textThis panel will explore how the Large Jurisdiction Assessor Group is driving innovation through collaboration. Panelists will discuss how shared challenges have turned into shared strategies, with a focus on recent federal advocacy efforts around Universal Database Data Collection through the FAHA and how collective action improves outcomes for all jurisdictions
Performance Evaluation of Assessment Prices and the Utility of 3D Maps
No full textDiscover how 3D mapping and GIS technology can revolutionize assessment price verification and enhance transparency. This session explores real-world challenges in South Korea, using a case study in Jeju to demonstrate innovative swipe map solutions that improve accuracy, fairness, and efficiency in property assessment. Gain insights applicable to global tax authorities
Effective Budgeting Techniques and Practices
No full textThis comprehensive session will explore budgeting and financial best practices where participants will gain valuable insights into aiding and crafting effective budgets that not only align with the jurisdictions goals and missions, but also uphold financial integrity and comply with industry standards
David vs. Goliath: Litigating Amazon Distribution Center Assessments
No full textAmazon is challenging the assessments of it\u27s fulfillment centers around the nation. Learn what issues are likely to arise and how to address those issues in a litigation setting. It\u27s a David vs. Goliath scenario when a county assessor is litigating against one of the largest companies in the world
An Open-Source Toolkit for Equity Analysis and Reporting
No full textBudget constraints in Assessment offices can limit access to specialized software. Discover a new free and open-source toolkit that automates sales validation, equity studies, and valuation analyses. This session introduces ways assessment offices can generate professional reports, visualize trends, and analyze assessment equity
Statewide Data Sharing: How Kansas Unified 105 Counties for Better Transparency & Efficiency
No full textKansas established a platform combining data from all 105 counties, enabling seamless parcel information sharing, including residential, commercial, and sales data. This powerful tool enhances consistency, transparency, and efficiency, providing a model for improving data sharing and valuation processes across multiple jurisdictions. Learn how to implement, optimize, and benefit from a statewide data-sharing system
Fair + Equitable April/May 2025
No full textThe April/May issue of F+E looks at Orlando, the host city for the 2025 IAAO Annual Conference. In addition, the issue also includes the 2024 Year In Review for IAAO, and articles on: Current hot topics for library research are depreciation and big box stores 2025 Conference charity selected Erin Eades named Sr. Director of Professional Development Call for 2026 Board candidates Awards nominations information Assessors federal dataset resolution gets NACo support How accountability can bring out the best in an office Lincoln Institute of Land Policy releasing policy download on property values and taxes Property tax reform opinion piece New IAAO designees Industry newshttps://researchexchange.iaao.org/f-e/1027/thumbnail.jp
Valuation of multi-purpose buildings
No full textLarge buildings that contain offices, apartments, retail, parking, and restaurants in one space present complex challenges for assessors. This session demonstrates an income modeling solution that values each use within a building by rates that are both location and use specific for whatever uses are found within the building and capitalizes the predicted income stream to predict a value
Commercial sales and income models
No full textThe session discusses features of successful commercial sales and income models and what variables have been found effective across a range of jurisdictions. Points addressed include: • What data is required and potential sources • Can all commercial properties be combined or how can/should they be stratified? • Relative advantages of sales vs income models and when each is more appropriate • What variables are most likely to be significant and contribute to predictability • Model format options: additive, multiplicative, and potential of AI • Software options • Interface with CAMA system
Using GWR to suggest spatial patterns of inequity: The development of a new webapp by the Lincoln Institute of Land Policy
No full textThis session will showcase a spatial method for suggesting locations of potential inequity using geographically weighted regression (GWR) using a new open-source webapp by the Lincoln Institute of Land Policy. The presentation will discuss the evolution of equity measurements in property tax assessments, tracing how methodologies have been shaped by both academic and industry standards to define and measure fairness in assessments. By focusing on localized patterns of inequity, the GWR app helps suggest and address spatial inconsistencies in property tax assessments. Attendees will gain an understanding of how GWR can reveal subtle, location-specific assessment discrepancies that traditional methods might overlook. These insights support a more equitable approach to property tax assessments, which is crucial for maintaining public trust and ensuring that assessments reflect true market values across diverse neighborhoods. This tool serves as a resource for assessors and policymakers aiming to address local inequities in a focused, data-driven way, aligning assessment practices with broader fiscal responsibility goals without overextending resources