Home » Mass Appraisal Mass Appraisal ALLABCDEFGHIJKLMNOPQRSTUVWXYZThe process of valuing a group of properties as of a given date, using standard methods, employing common data, and allowing for statistical testing.Related Articles: Glossary: CAMAGlossary: Location Value Response Surface AnalysisRelated Terms:Term: Data