Indeed! It would depend on whether the city wants data for further analysis or will act directly on the data (e.g. new taxes). If the city just wanted a punitiv

Indeed! It would depend on whether the city wants data for further analysis or will act directly on the data (e.g. new taxes). If the city just wanted a punitive tax on non-occupied housing, they'd probably be better with LVT or a revenue-neutral shift away from sales tax or payroll tax towards higher property taxes. This would indirectly affect non-occupying owners without needing to target them directly.