Final answer:
The method not recognized for site valuation is 'plottage comparison'. Recognized methods include land residual, sales comparison, and subdivision analysis, which are applied to determine land value.
Step-by-step explanation:
The method that is NOT a recognized method of site valuation is plottage comparison. The recognized methods for site or land valuation are land residual, sales comparison, and subdivision analysis. These methodologies are used by real estate professionals and appraisers to estimate the value of land.
Land residual technique determines the value of a property by calculating the value of the improvements and then subtracting that value from the total property value.
The sales comparison approach involves comparing the subject property with similar properties that have recently sold in the area. Subdivision analysis is used mainly when the land is to be subdivided and sold as smaller lots, evaluating the potential profitability of the development.
Therefore, the correct answer is b. plottage comparison