one of the four broad categories of factors affecting the value of real estate, which are - physical, social, economic and governmental.

Governmental factors have a substantial impact on property values and can be subdivided into three main categories. The first is governmental services which includes the availability and quality of services such as police, fire, and schools. For example, school system popularity may result in measurable increases in property values. The second category is government regulation of real estate, and the third category is taxation.