523 West 143rd Street

A 6-story building with 24 apartments, built in 1910, in Manhattan, NY 10031.

Addresses on the lot: 521 to 523 West 143rd Street.

HPD records as of October 28, 2026

62open HPD violations11 immediately hazardous

4complaints to HPD, past yearnone about heat

Nonerent-stabilized apartments registered2018 to 2023

Nonehousing court cases in 5 yearson HPD’s record

523 West 143rd Street has 62 open HPD violations, 11 of them immediately hazardous. Tenants made 4 complaints to HPD in the past year. It is registered to 523-27 WEST 143RD STREET HDFC.

Does 523 West 143rd Street have open violations?

Yes: 62 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	11
B, hazardous	30 days	32
A, non-hazardous	About 90 days	19

It has an open class C violation, as 66% of NYC buildings with 20 to 49 apartments do. More on buildings by size

Every violation on HPD Online ↗ · How to read HPD violations

What do tenants complain about?

Tenants made 4 complaints to HPD in the 12 months to October 28, 2026, none 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 523 West 143rd Street?

523 West 143rd Street is registered with HPD to 523-27 WEST 143RD STREET HDFC. 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

HPD’s record shows no housing court cases over conditions or harassment at this building.

City marshals carried out no evictions here in the five years to May 30, 2026.

For comparison, 25% of residential buildings in 10031 had a housing court case in the past five years.

Is 523 West 143rd 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 building

The 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

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 1-02075-0011.