510 West 123rd Street
A 6-story building with 48 apartments, built in 1926, in Manhattan, NY 10027.
Addresses on the lot: 510 to 518 West 123rd Street.
HPD records as of October 28, 2026
510 West 123rd Street has 2 open HPD violations, 1 of them immediately hazardous. Tenants made no complaints to HPD in the past year. It is registered to 510 WEST 123RD STREET OWNERS CORP.
Does 510 West 123rd Street have open violations?
Yes: 2 open violations as of October 28, 2026. HPD sorts them by how soon the owner must fix them:
| Class | Deadline | Open |
|---|---|---|
| C, immediately hazardous | 24 hours for most | 1 |
| B, hazardous | 30 days | 1 |
| A, non-hazardous | About 90 days | 0 |
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, 1 has been closed.
Every violation on HPD Online ↗ · How to read HPD violations
What do tenants complain about?
Tenants made no complaints to HPD in the 12 months to October 28, 2026.
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 510 West 123rd Street?
510 West 123rd Street is registered with HPD to 510 WEST 123RD STREET OWNERS CORP. The registration also names a head officer and a managing agent, the people HPD contacts about the building.
The name is a co-op’s: residents own shares in the building, and an apartment for rent here is usually a sublet from a shareholder, which the board has to approve.
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 10 older cases, the latest from 2021.
City marshals carried out no evictions here in the five years to May 30, 2026.
For comparison, 17% of residential buildings in 10027 had a housing court case in the past five years.
Is 510 West 123rd Street 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
- 511 West 122nd Street30 apartments, built 1907
- 1264 Amsterdam Avenue22 apartments, built 1901
- 1260 Amsterdam Avenue29 apartments, built 1901
- 515 West 122nd Street32 apartments, built 1907
- 528 West 123rd Street41 apartments, built 1901
- 521 West 122nd Street32 apartments, built 1907
HPD violations, complaints, registrations and housing court cases as of October 28, 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 1-01977-0037.