121 St Marks Place

A 6-story building with 30 apartments, built in 1907, in Manhattan, NY 10009.

Addresses on the lot: 121 to 123 St Marks Place.

HPD records as of October 26, 2026

75open HPD violations17 immediately hazardous

1complaint to HPD, past yearnone about heat

7rent-stabilized apartmentsregistered in 2023

August 2022latest housing court case4 cases on record, all years

121 St Marks Place has 75 open HPD violations, 17 of them immediately hazardous. Tenants made 1 complaint to HPD in the past year. It is registered to AVENUE A AT ST MARKS PARTNERS LP. 7 apartments were registered as rent stabilized in 2023.

Does 121 St Marks Place have open violations?

Yes: 75 open violations as of October 26, 2026. HPD sorts them by how soon the owner must fix them:

Class	Deadline	Open
C, immediately hazardous	24 hours for most	17
B, hazardous	30 days	39
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 1 complaint to HPD in the 12 months to October 26, 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 121 St Marks Place?

121 St Marks Place is registered with HPD to AVENUE A AT ST MARKS PARTNERS LP. The registration also names a head officer, the person HPD contacts about the building.

2 other buildings are 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

The latest housing court case over conditions or harassment opened in August 2022. HPD’s record has 4 cases here in all, going back to the 1990s.

City marshals carried out 1 eviction here in the five years to May 30, 2026.

For comparison, 12% of residential buildings in 10009 had a housing court case in the past five years.

Is 121 St Marks Place rent stabilized?

7 apartments were registered as rent stabilized in 2023, down from 8 in 2018. That’s 7 of the building’s 30 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 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 26, 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 1-00436-0036.