780 St Marks Avenue
A 6-story building with 66 apartments, built in 1921, in Brooklyn, NY 11216.
Addresses on the lot: 780 to 794 St Marks Avenue.
HPD records as of October 23, 2026
780 St Marks Avenue has 27 open HPD violations, 17 of them immediately hazardous. Tenants made 43 complaints to HPD in the past year, 9 about heat or hot water. It is registered to 780.ST MARKS REALTY LLC. 66 apartments were registered as rent stabilized in 2023.
Does 780 St Marks Avenue have open violations?
Yes: 27 open violations as of October 23, 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 | 9 |
| A, non-hazardous | About 90 days | 1 |
It has an open class C violation, as 70% of NYC buildings with 50 to 99 apartments do. More on buildings by size
Of the violations HPD wrote here in the past year, 44 have been closed.
Every violation on HPD Online ↗ · How to read HPD violations
What do tenants complain about?
Tenants made 43 complaints to HPD in the 12 months to October 23, 2026, 9 of them about heat or hot water. Complaints reach HPD through 311; an inspector may then write a violation.
Among NYC buildings with 50 to 99 apartments, 77% had at least one complaint to HPD in the past year, and 65% had one about heat or hot water.
Every complaint on HPD Online ↗ · Noise complaints go to 311, not HPD
Who owns 780 St Marks Avenue?
780 St Marks Avenue is registered with HPD to 780.ST MARKS REALTY LLC. The registration also names a head officer, the person 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
None in the past five years. HPD’s record has 9 older cases, the latest from 2020.
City marshals carried out 3 evictions here in the five years to May 30, 2026.
For comparison, 7% of residential buildings in 11216 had a housing court case in the past five years.
Is 780 St Marks Avenue rent stabilized?
66 apartments were registered as rent stabilized in 2023, the same as in 2018. That’s 66 of the building’s 66 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
- 770 St Marks Avenue52 apartments, built 1929
- 170 New York Avenue36 apartments, built 1917
- 925 Prospect Place82 apartments, built 1936
- 769 St Marks Avenue180 apartments, built 1924
- 906 Prospect Place22 apartments, built 2018
- 762 St Marks Avenue35 apartments, built 1932
HPD violations, complaints, registrations and housing court cases as of October 23, 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 3-01228-0007.