Is 31 E 21st St rent stabilized?

With about 18 apartments it sits near the middle of the 140 rent-stabilized buildings this site tracks in Midtown South-Flatiron-Union Square, where the median building has 18. It went up in 1851, 69 years before the 1920 median for stabilized buildings tracked in the neighborhood. HPD lists 1 open violation here, about one for every 18 apartments — below the one for every 9 apartments median for tracked buildings in the neighborhood. Of the 27 violations on record at the address, 18 are class C — HPD's immediately hazardous grade. Tenants have filed 89 HPD complaints at the address, 4 of them in the last twelve months.