The Town of Hamden recently completed a state-mandated property revaluation. According to the mayor, residential property assessments have increased at a far greater rate than commercial property assessments. On average, residential assessments have risen by a staggering 55%, while commercial assessments have only increased by approximately 30%. Click the image below to read the statement from the mayor and view the breakdown of the example of a two-year and four-year phase in of the grand list.