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421 West 43rd Street

Manhattan · Hell's Kitchen, NY 10036

421 West 43rd Street is a 17-apartment building in Hell's Kitchen, built in 1910, managed by Ninth Avenue Realty LLC. The City has 2 open housing-code violations on file for it, about 0.12 per apartment, below the neighborhood norm for a building this size (HPD, as of 5 October 2026). No tenant has reviewed it here yet. Everything above comes from the City's own records.

Managed by Ninth Avenue Realty LLC

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Units
17
Year built
1910
Neighborhood
Hell's Kitchen
Borough
Manhattan

This building’s record with the City

Complaints tenants filed with 311, and repairs a City inspector has asked for. Most repairs are routine maintenance. Both describe the building rather than the people in it, and often predate the current management.

4.2/5Better than most nearbyScored from the records below against every building we cover. It is not a tenant rating. Nobody who lived here said this.

0tenant complaints

Filed with 311 in the past year

2open repairs

Outstanding with HPD · about 0.1 per apartment

Immediately hazardous
0
Hazardous
1
Non-hazardous
1

What the open repairs are about

  • Leaks, damp or mould2
  • Stairs, floors and ceilings1

Source: NYC 311 and Housing Preservation & Development. Look this building up · updated Oct 2026

The company that manages it, elsewhere

Ninth Avenue Realty LLC manages 13 other buildings we cover, holding 211 apartments.

open violations
63open violations
immediately hazardous
16immediately hazardous
311 complaints
28311 complaints

in the past year

per apartment
0.3per apartment

The company’s record across its other buildings, not this building’s. A company can run one well and another badly, and these figures often predate the current management. (HPD and 311, as of 5 October 2026.)

What tenants say

Nobody has written about 421 West 43rd Street yet.

Does the heat hold in January? How long does the super take? Does management answer the phone, and were you charged what you expected? No public record answers any of that. Only someone who lived here can.

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