643 9th Avenue
A 5-story building with 20 apartments, built in 1910, in Manhattan, NY 10036.
Addresses on the lot: 643 to 645 9th Avenue.
HPD records as of November 1, 2026
643 9th Avenue has 32 open HPD violations, 9 of them immediately hazardous. Tenants made 11 complaints to HPD in the past year, 7 about heat or hot water. It is registered to AETNA WEST LLC.
Does 643 9th Avenue have open violations?
Yes: 32 open violations as of November 1, 2026. HPD sorts them by how soon the owner must fix them:
| Class | Deadline | Open |
|---|---|---|
| C, immediately hazardous | 24 hours for most | 9 |
| B, hazardous | 30 days | 12 |
| A, non-hazardous | About 90 days | 11 |
It has an open class C violation, as 66% of NYC buildings with 20 to 49 apartments do. More on buildings by size
Of the violations HPD wrote here in the past year, 2 have been closed.
Every violation on HPD Online ↗ · How to read HPD violations
What do tenants complain about?
Tenants made 11 complaints to HPD in the 12 months to November 1, 2026, 7 of them about heat or hot water. Complaints reach HPD through 311; an inspector may then write a violation.
Among NYC buildings with 20 to 49 apartments, 69% had at least one complaint to HPD in the past year, and 53% had one about heat or hot water.
Every complaint on HPD Online ↗ · Noise complaints go to 311, not HPD
Who owns 643 9th Avenue?
643 9th Avenue is registered with HPD to AETNA WEST LLC. The registration also names a head officer and a managing agent, the people HPD contacts about the building.
1 other building is registered to the same company name, with 0 open violations between them.
The registration on HPD Online ↗ · The owner’s other buildings, on Who Owns What ↗ · Deeds and mortgages (ACRIS) ↗ · How to find who owns a building
Housing court and evictions
None in the past five years. HPD’s record has 1 older case, the latest from 2017.
City marshals carried out no evictions here in the five years to May 30, 2026.
For comparison, 15% of residential buildings in 10036 had a housing court case in the past five years.
Is 643 9th Avenue rent stabilized?
No rent-stabilized apartments were registered here from 2018 to 2023. That doesn’t prove there are none: some owners don’t register them.
How to check if an apartment is rent stabilized
Scores out of ten, from today’s records
Score this buildingThe address check reads the latest complaints and violations and scores the building, the landlord, the noise on the block and the walk to the subway. On a StreetEasy listing, the Chrome extension adds light for the floor and value for the rent.
Buildings nearby
- 405 West 45th Street30 apartments, built 1930
- 637 9th Avenue50 apartments, built 1940
- 406 West 45th Street21 apartments, built 1920
- 423 West 45th Street20 apartments, built 1901
- 360 West 45th Street76 apartments, built 1930
- 425 West 45th Street20 apartments, built 1901
HPD violations, complaints, registrations and housing court cases as of November 1, 2026; evictions and rent-stabilized counts as of May 30, 2026; size and age from the city’s PLUTO. All from NYC Open Data. Public records, not legal advice. Tax lot 1-01055-0029.