Real Estate Appraisal Principles and Concepts
Domain 1: Real Estate Appraisal Principles and Concepts
This domain tests the economic foundations of appraisal: what value means, how markets create it, and which property rights are being valued. Questions often ask you to separate value from price and cost and to apply principles such as substitution and contribution.
Core rules and concepts
- Market value is an opinion of the most probable price in a competitive market under specified conditions: informed buyers and sellers, no undue stimulus, reasonable exposure time, payment in cash or equivalent, and price unaffected by special financing or concessions.
- Price is the amount paid; cost is an expenditure; value is an expectation of future benefits. They can differ sharply.
- Value is created by utility and supported by scarcity, desire, and effective purchasing power.
- Substitution says a buyer will not pay more for a property than the cost of an equally desirable substitute.
- Contribution measures a component's value by its effect on the whole, not by its cost.
- Progression and regression occur when a subject is surrounded by superior or inferior properties.
- Fixtures are tested by annexation, adaptation, and intention; business value and personal property are not real estate.
Worked example
A house is worth $420,000 without a pool. The pool cost $55,000, but paired sales show buyers pay $30,000 for a similar pool. Under contribution, the pool adds $30,000, so the indicated value is $450,000. Adding its full cost would overstate value by $25,000 because cost does not equal contributory value.
Traps
- Treating replacement cost as market value.
- Using the current use as automatic highest and best use.
- Counting personal property or going-concern value in a real property appraisal.
- Confusing a price concession with a change in market value.