I: Improved - Indicates a sale transaction was for an improved property.

IAAO - International Association of Assessing Officers.

Improvements – Buildings or other relatively permanent structures or infrastructure (e.g., sewer lines, water lines, roads) located on, or attached to, land.

Income Capitalization Approach (Income Approach) – Specific appraisal techniques applied to develop a value indication for a property based on its earning capability and calculated by the capitalization of property income.