371 9th Avenue
A 64-story building with 844 apartments, built in 2015, in Manhattan, NY 10001.
Addresses on the lot: 427 to 435 West 31st Street.
HPD records as of November 1, 2026
371 9th Avenue has 2 open HPD violations. Tenants made 36 complaints to HPD in the past year, 4 about heat or hot water. It is registered to BOP MW RESIDENTIAL MARKET LLC. 220 apartments were registered as rent stabilized in 2023.
Does 371 9th Avenue have open violations?
Yes: 2 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 | 0 |
| B, hazardous | 30 days | 0 |
| A, non-hazardous | About 90 days | 2 |
No class C violation is open. 56% of NYC buildings with 100 or more apartments have one. 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 36 complaints to HPD in the 12 months to November 1, 2026, 4 of them about heat or hot water. Complaints reach HPD through 311; an inspector may then write a violation.
Among NYC buildings with 100 or more apartments, 72% had at least one complaint to HPD in the past year, and 57% had one about heat or hot water.
Every complaint on HPD Online ↗ · Noise complaints go to 311, not HPD
Who owns 371 9th Avenue?
371 9th Avenue is registered with HPD to BOP MW RESIDENTIAL MARKET LLC. The registration also names a head officer and a managing agent, the people HPD contacts about the building.
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
The latest housing court case over conditions or harassment opened in March 2026. HPD’s record has 2 cases here in all, going back to the 1990s.
City marshals carried out 10 evictions here in the five years to May 30, 2026.
For comparison, 12% of residential buildings in 10001 had a housing court case in the past five years.
Is 371 9th Avenue rent stabilized?
220 apartments were registered as rent stabilized in 2023, down from 844 in 2019. That’s 220 of the building’s 844 apartments. Whether one apartment is stabilized is in its rent history, which the tenant can ask the state for.
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
- 411 9th Avenue26 apartments, built 2012
- 430 West 34th Street178 apartments, built 1963
- 440 West 34th Street134 apartments, built 1928
- 408 West 34th Street68 apartments, built 1960
- 363 West 30th Street77 apartments, built 2000
- 342 9th Avenue60 apartments, built 1940
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 1-00729-7502.