Which factor is not usually quantifiable when determining property price?

Reputation stands out as a factor that is often subjective and not easily quantifiable when determining property price. While various metrics and surveys can attempt to assess a property's reputation, these methodologies inherently rely on perceptions, opinions, and market sentiment. This inherent subjectivity makes reputation challenging to measure in concrete terms compared to other factors.

In contrast, taxes, interior condition, and operational costs and expenses are typically quantifiable. Taxes can be calculated based on assessed values and local tax rates. The interior condition can be assessed by evaluating the quality of materials, maintenance, and renovations, often resulting in numerical ratings or standards. Operational costs and expenses can be precisely tracked and analyzed with financial records, providing clear data on what can significantly impact a property's value.

Thus, reputation is the outlier in this context, emphasizing its qualitative nature in the realm of real estate valuation.