401 East 23rd Street
A 4-story building with 23 apartments, built in 1925, in Brooklyn, NY 11226.
HPD records as of November 6, 2026
401 East 23rd Street has 29 open HPD violations, 9 of them immediately hazardous. Tenants made 5 complaints to HPD in the past year, 3 about heat or hot water. It is registered to SYS REALTY LLC. 16 apartments were registered as rent stabilized in 2023.
Does 401 East 23rd Street have open violations?
Yes: 29 open violations as of November 6, 2026. HPD sorts them by how soon the owner must fix them:
| Class | Deadline | Open |
|---|---|---|
| C, immediately hazardous | 24 hours for most | 9 |
| B, hazardous | 30 days | 16 |
| A, non-hazardous | About 90 days | 4 |
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, 31 have been closed.
Every violation on HPD Online ↗ · How to read HPD violations
What do tenants complain about?
Tenants made 5 complaints to HPD in the 12 months to November 6, 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 401 East 23rd Street?
401 East 23rd Street is registered with HPD to SYS REALTY LLC. The registration also names a head officer, the person HPD contacts about the building.
1 other building is 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 2026. HPD’s record has 17 cases here in all, going back to the 1990s.
City marshals carried out no evictions here in the five years to May 30, 2026.
For comparison, 12% of residential buildings in 11226 had a housing court case in the past five years.
Is 401 East 23rd Street rent stabilized?
16 apartments were registered as rent stabilized in 2023, the same as in 2019. That’s 16 of the building’s 23 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
- 2212 Ditmas Avenue52 apartments, built 1934
- 2225 Ditmas Avenue20 apartments, built 1917
- 2211 Ditmas Avenue48 apartments, built 1915
- 529 East 22nd Street48 apartments, built 1934
- 370 East 23rd Street20 apartments, built 1931
- 1247 Flatbush Avenue46 apartments, built 2007
HPD violations, complaints, registrations and housing court cases as of November 6, 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 3-05209-0040.