399 1st Avenue
A 7-story building with 35 apartments, built in 1910, in Manhattan, NY 10075.
Addresses on the lot: 399 East 78th Street.
HPD records as of October 27, 2026
399 1st Avenue has 4 open HPD violations, 3 of them immediately hazardous. Tenants made 11 complaints to HPD in the past year, 3 about heat or hot water. It is registered to 399 E 78TH ST OWNERS CORP.
Does 399 1st Avenue have open violations?
Yes: 4 open violations as of October 27, 2026. HPD sorts them by how soon the owner must fix them:
| Class | Deadline | Open |
|---|---|---|
| C, immediately hazardous | 24 hours for most | 3 |
| B, hazardous | 30 days | 0 |
| A, non-hazardous | About 90 days | 1 |
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 11 complaints to HPD in the 12 months to October 27, 2026, 3 of them 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 399 1st Avenue?
399 1st Avenue is registered with HPD to 399 E 78TH ST 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 1 older case, the latest from 2019.
City marshals carried out no evictions here in the five years to May 30, 2026.
For comparison, 6% of residential buildings in 10075 had a housing court case in the past five years.
Is 399 1st Avenue 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
- 404 East 79th Street208 apartments, built 1986
- 409 East 78th Street20 apartments, built 1910
- 402 East 78th Street39 apartments, built 1910
- 408 East 79th Street53 apartments, built 2004
- 1487 1st Avenue146 apartments, built 2023
- 350 East 79th Street236 apartments, built 1989
HPD violations, complaints, registrations and housing court cases as of October 27, 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 1-01473-7503.