The City of Ann Arbor's office of Rental Housing Services inspects each rental every 30 months and certifies it for occupancy. This map shows the certified rentals in Ann Arbor as of May 2020.
Hover over any point for more information on active rentals (4,256 registered), expired certificates (352), rentals under review or with a temporary COVID-19 status (865, 517), and cooperatives (1,103).
The City shared this disclaimer:
It is important to note that not all of these are active rentals, and therefore, we cannot ensure the accuracy of the information provided for any CR with a status of anything other than “Certified” or “Under Review”.
You can download the source data.
Last updated June 2020 with data from May.