Is 304 To 310 E 23rd St rent stabilized?
304 To 310 E 23rd St is a registered NYC rent-stabilized building in Gramercy, Manhattan (10010). It has about 134 apartments, built in 1901.
Also written as 304 To 310 East 23rd Street — or 304 To 310 E 23rd St, Manhattan, NY 10010.
How this building compares
With about 134 apartments it is larger than 91% of the 252 rent-stabilized buildings this site tracks in Gramercy. Its 1901 construction date sits close to the 1910 median for stabilized buildings tracked in the neighborhood. HPD lists 22 open violations here, about one for every 6 apartments — matching the median for tracked buildings in the neighborhood. Of the 27 violations on record at the address, 4 are class C — HPD's immediately hazardous grade. Tenants have filed 16 HPD complaints at the address, none of them in the last twelve months.
Building details
| Borough | Manhattan |
| Neighborhood | Gramercy |
| ZIP | 10010 |
| Year built | 1901 |
| Apartments | 134 |
| Rent-stabilized | Yes — DHCR registered |
| Stabilization code | MULTIPLE DWELLING A, J-51 |
| BBL | 1009287502 |
Owner & management
| Owner | 310/312 EAST 23RD APT CORP 9 E 38TH ST #6FL · NEW YORK, NY 10016 |
| Managing agent | MAXWELL-KATES INC. |
Building conditions
| HPD violations | 22 open / 27 total · 1 in last 12 mo |
| HPD complaints | 0 open / 16 total |
| HPD registration last filed | October 16, 2025 |