For single family homes, there are two basic methods used in real estate appraisal. They are replacement cost analysis, and using comparable sales. A third appraisal method, based on capitalization, is used for income properties, and is covered in another article.
In figuring replacement cost the question is: What would it cost to buy this land and put this house on it? If the land (improved) would cost $40,000, and the house could be built for $150,000, the value indicated would be around $190,000 – if the house is fairly new. If it has used up 10% of its useful life, you can deduct $15,000 for depreciation.
Replacement cost is not really a very useful measurement. It is difficult to say what the land is worth in a city center where none is left for sale, for example, and tough to gauge depreciation. It is used as a secondary method, and for unique homes that can’t be compared easily with others. The primary method of real estate appraisal used for homes is a market analysis using comparable sales.
Real Estate Appraisal 101
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