Professional Consulting Services of IAAO, LLC (PCSIAAO) delivers expert consulting solutions worldwide, grounded in a deep, objective understanding of the complex challenges facing today’s property valuation and tax professionals.

As a wholly owned subsidiary of the International Association of Assessing Officers (IAAO), PCSIAAO brings the same trusted expertise, integrity, and commitment to excellence that have defined IAAO for more than 90 years.

For decades, IAAO has guided assessment and taxation jurisdictions around the globe—advancing innovation and best practices in property appraisal, tax policy, and administration. Through PCSIAAO, that experience is now available to organizations seeking practical, data-driven solutions to their most pressing property assessment issues.

Leveraging decades of research, training, and hands-on experience, our team provides specialized consulting and technical support across a broad range of assessment challenges.  PCSIAAO is here to provide services that align with industry best practices and help your office become the best version of itself.