645 East 231st Street
A 6-story building with 72 apartments, built in 1941, in the Bronx, NY 10466.
Addresses on the lot: 643 to 645 East 231st Street.
HPD records as of November 4, 2026
645 East 231st Street has 122 open HPD violations, 69 of them immediately hazardous. Tenants made 168 complaints to HPD in the past year, 157 about heat or hot water. It is registered to SIMA ASSOCIATES. 72 apartments were registered as rent stabilized in 2023.
Does 645 East 231st Street have open violations?
Yes: 122 open violations as of November 4, 2026. HPD sorts them by how soon the owner must fix them:
| Class | Deadline | Open |
|---|---|---|
| C, immediately hazardous | 24 hours for most | 69 |
| B, hazardous | 30 days | 47 |
| A, non-hazardous | About 90 days | 6 |
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, 25 have been closed.
Every violation on HPD Online ↗ · How to read HPD violations
What do tenants complain about?
Tenants made 168 complaints to HPD in the 12 months to November 4, 2026, 157 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 645 East 231st Street?
645 East 231st Street is registered with HPD to SIMA ASSOCIATES. 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
The latest housing court case over conditions or harassment opened in December 2022. HPD’s record has 6 cases here in all, going back to the 1990s.
City marshals carried out 5 evictions here in the five years to May 30, 2026.
For comparison, 5% of residential buildings in 10466 had a housing court case in the past five years.
Is 645 East 231st Street rent stabilized?
72 apartments were registered as rent stabilized in 2023, up from 71 in 2018. That’s 72 of the building’s 72 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
- 646 East 232nd Street55 apartments, built 2000
- 646 East 231st Street65 apartments, built 1922
- 636 East 231st Street31 apartments, built 1929
- 4170 Carpenter Avenue51 apartments, built 1997
- 4138 Carpenter Avenue52 apartments, built 1929
- 643 East 232nd Street62 apartments, built 1926
HPD violations, complaints, registrations and housing court cases as of November 4, 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 2-04834-0033.