IA HF2224

Requires city and county assessors to submit quarterly reports on real estate sales, including transfer tax amounts, sale prices, and equalized property values, with reports due within 60 days after each quarter ends.

Mandates the Department of Revenue publish annual assessment-to-sales ratio summaries by May 1 and maintain this data on its website for a minimum of 20 years.

Requires assessors to adopt the most recently issued state appraisal manual within two years of publication, with possible two-year extensions available for demonstrated substantial hardship.

Establishes International Association of Assessing Officers standards for property assessments, including coefficient of dispersion analysis (must be less than 15.99%) and price-related differential requirements (must be between 0.98 and 1.03).

Redefines "like property" for assessment equity comparisons to mean all property within a given class statewide, rather than limiting comparisons to the local taxing district.