The pandemic has been a massive public health concern, but it also set off a global economic crisis. As countless renters and homeowners across the country lost income or jobs, many were at risk of losing their homes. Nobody knows exactly how many people are on the brink of eviction or foreclosure, though there’s consensus that a large portion of the population is at risk, particularly low-income households and people of color. In the city of Rochester, landlords who own three or fewer properties reported that 44.4 percent of their apartment buildings had at least one unit in arrears, according to a landlord survey conducted for the city by a Bloomberg Harvard City Leadership Initiative researcher. Of the 2,289 landlords invited to participate in the survey, 10 percent responded.