Is 305 E 21st St rent stabilized?
305 E 21st St is a registered NYC rent-stabilized building in Gramercy, Manhattan (10010). It has about 37 apartments, built in 1910.
Also written as 305 East 21st Street — or 305 E 21st St, Manhattan, NY 10010.
How this building compares
With about 37 apartments it is larger than 73% of the 252 rent-stabilized buildings this site tracks in Gramercy. HPD lists no open violations at this address — one of 66 such buildings among the 257 this site tracks in the neighborhood. Of the 121 violations on record at the address, 47 are class C — HPD's immediately hazardous grade, and none of them are still open. Tenants have filed 71 HPD complaints at the address, 4 of them in the last twelve months.
Building details
| Borough | Manhattan |
| Neighborhood | Gramercy |
| ZIP | 10010 |
| Year built | 1910 |
| Apartments | 37 |
| Rent-stabilized | Yes — DHCR registered |
| Stabilization code | MULTIPLE DWELLING A, GARDEN COMPLEX |
| BBL | 1009270006 |
Owner & management
| Owner | 517 WEST 180TH ST LLC AND 305 EAST 21 ST OWNER LLC 415 E 90TH STREET #C · New York, NY 10128 |
| Managing agent | 517 WEST 180TH ST LLC |
Building conditions
| HPD violations | 0 open / 121 total |
| HPD complaints | 0 open / 71 total |
| HPD registration last filed | July 9, 2025 |
Full building report — $9
Frequently asked questions
Is 305 E 21st St rent stabilized?
305 E 21st St in Gramercy, Manhattan is registered as rent stabilized in the New York State DHCR 2024 rent-stabilized building files, where its stabilization codes are MULTIPLE DWELLING A and GARDEN COMPLEX. Registration is recorded for the building, not for each apartment in it, so an individual unit here can still have been deregulated — ask the landlord or DHCR for that apartment's rent history before relying on it.
How many apartments are at 305 E 21st St?
305 E 21st St (BBL 1009270006) has about 37 residential apartments and was built in 1910, from NYC PLUTO. PLUTO counts the building's units; it does not say how many of them are rent stabilized.