International Association of Assessing Officers

IAAO is a nonprofit, educational, and research association. It is a professional membership organization of government assessment officials and others interested in the administration of the property tax. IAAO was founded in 1934, and now has a membership of more than 8,500 members worldwide from governmental, business, and academic communities.

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28 Aug, 2022
The IAAO Annual Conference is the premier platform to share successes, discover best practices, and learn from expert colleagues the latest research in the field of property appraisal. Educational sessions, networking opportunities and events, and a varied exposition equip assessment...
Upcoming