A method of valuing land that subtracts the depreciated value of the improvement from the sale price is known as?

The method of valuing land by subtracting the depreciated value of the improvement from the sale price is referred to as "Abstraction." This approach specifically focuses on isolating the value of the land from any improvements made to it, thereby providing a clearer understanding of the land's intrinsic value.

In the Abstraction method, the sale price of the property includes both land and improvements. By deducting the depreciated cost of improvements, assessors can derive the land's standalone value. This technique is particularly useful in cases where there may be significant differences between the land and improvement values, allowing for an accurate determination of land value.

The other methods listed—the Capitalized Value Method, Cost Approach, and Market Value Method—serve different purposes in property valuation and do not specifically isolate land value in the same way that Abstraction does. The Cost Approach focuses on determining the cost of replacing improvements and adding the land value, the Capitalized Value Method involves estimating future income to establish value, and the Market Value Method relies more on comparable sales data to reflect market trends rather than isolating land value from improvements.