IAAO COURSE 300 — FUNDAMENTALS OF MASS
APPRAISAL
ENHANCED EXAM-FOCUSED STUDY GUIDE
2026/2027 Edition • Original Q&A; + Practice Test
Important: This is an original educational resource. It does not reproduce the paid/locked Stuvia document or claim to contain actual IAAO
examination questions.
The official IAAO Course 300 scope includes single-property versus mass appraisal, components of a mass appraisal system, data requirements
and analysis, introductory statistics, ratio studies, the three approaches to value, and selection of a mass appraisal system.
IAAO Course 300 — Original Enhanced Study Guide Page 1
, CONTENTS
1. MASS APPRAISAL FUNDAMENTALS
2. MASS APPRAISAL SYSTEMS & CAMA
3. PROPERTY DATA COLLECTION & QUALITY CONTROL
4. INTRODUCTORY STATISTICS
5. RATIO STUDIES & EQUITY
6. COST APPROACH
7. SALES COMPARISON & MODELING
8. INCOME APPROACH
9. VALIDATION, MODEL PERFORMANCE & MAINTENANCE
10. HIGH-YIELD DISTINCTIONS
11. EXAM TRAPS & REASONING
12. 20-QUESTION ORIGINAL PRACTICE TEST
13. ANSWER KEY & RATIONALES
14. RAPID REVIEW SHEET
IAAO Course 300 — Original Enhanced Study Guide Page 2
APPRAISAL
ENHANCED EXAM-FOCUSED STUDY GUIDE
2026/2027 Edition • Original Q&A; + Practice Test
Important: This is an original educational resource. It does not reproduce the paid/locked Stuvia document or claim to contain actual IAAO
examination questions.
The official IAAO Course 300 scope includes single-property versus mass appraisal, components of a mass appraisal system, data requirements
and analysis, introductory statistics, ratio studies, the three approaches to value, and selection of a mass appraisal system.
IAAO Course 300 — Original Enhanced Study Guide Page 1
, CONTENTS
1. MASS APPRAISAL FUNDAMENTALS
2. MASS APPRAISAL SYSTEMS & CAMA
3. PROPERTY DATA COLLECTION & QUALITY CONTROL
4. INTRODUCTORY STATISTICS
5. RATIO STUDIES & EQUITY
6. COST APPROACH
7. SALES COMPARISON & MODELING
8. INCOME APPROACH
9. VALIDATION, MODEL PERFORMANCE & MAINTENANCE
10. HIGH-YIELD DISTINCTIONS
11. EXAM TRAPS & REASONING
12. 20-QUESTION ORIGINAL PRACTICE TEST
13. ANSWER KEY & RATIONALES
14. RAPID REVIEW SHEET
IAAO Course 300 — Original Enhanced Study Guide Page 2