Which principle suggests that conformity among properties contributes to maximum value?

The principle that suggests conformity among properties contributes to maximum value is rooted in the idea that a harmonious and uniform environment enhances property values. When properties are similar in style, size, and use, it creates a cohesive neighborhood that is more appealing to potential buyers. This principle, known as conformity, posits that properties that fit within the character of their surroundings benefit from increased desirability.

In a conforming environment, buyers tend to perceive less risk and more stability, leading to stronger demand for such properties. This can result in values being supported at higher levels compared to areas where properties vary widely in style or function. Thus, the principle of conformity emphasizes that a well-planned and consistent neighborhood can lead to maximized property values for all homes within it.

The other concepts relate to property value in different ways but do not specifically address the idea of uniformity within a neighborhood context. Externalities refer to outside influences that can affect property values, such as nearby amenities or nuisances. Plottage involves the combined value of a larger parcel of land created by assembling smaller parcels, while assemblage is the process of merging different parcels of land into one larger parcel. These aspects influence value but are not centered on the principle of conformity.