123 East 129th Street
An 8-story building with 142 apartments, built in 1984, in Manhattan, NY 10035.
Addresses on the lot: 107 to 109 East 129th Street, 123 to 129 East 129th Street, 110 East 130th Street.
HPD records as of October 27, 2026
123 East 129th Street has 229 open HPD violations, 84 of them immediately hazardous. Tenants made 320 complaints to HPD in the past year, 85 about heat or hot water. It is registered to MS TP4 HOUSING DEVELOPMENT FUND COMPANY, INC. 131 apartments were registered as rent stabilized in 2023.
Does 123 East 129th Street have open violations?
Yes: 229 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 | 84 |
| B, hazardous | 30 days | 107 |
| A, non-hazardous | About 90 days | 38 |
It has an open class C violation, as 56% of NYC buildings with 100 or more apartments do. More on buildings by size
Of the violations HPD wrote here in the past year, 140 have been closed.
Every violation on HPD Online ↗ · How to read HPD violations
What do tenants complain about?
Tenants made 320 complaints to HPD in the 12 months to October 27, 2026, 85 of them about heat or hot water. Complaints reach HPD through 311; an inspector may then write a violation.
Among NYC buildings with 100 or more apartments, 72% had at least one complaint to HPD in the past year, and 57% had one about heat or hot water.
Every complaint on HPD Online ↗ · Noise complaints go to 311, not HPD
Who owns 123 East 129th Street?
123 East 129th Street is registered with HPD to MS TP4 HOUSING DEVELOPMENT FUND COMPANY, INC. The registration also names a head officer, the person 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
The latest housing court case over conditions or harassment opened in March 2026. HPD’s record has 40 cases here in all, going back to the 1990s.
City marshals carried out 3 evictions here in the five years to May 30, 2026.
For comparison, 18% of residential buildings in 10035 had a housing court case in the past five years.
Is 123 East 129th Street rent stabilized?
131 apartments were registered as rent stabilized in 2023, the same as in 2018. That’s 131 of the building’s 142 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
- 107 East 130th Street179 apartments, built 1900
- 105 East 128th Street56 apartments, built 1973
- 200 East 131st Street140 apartments, built 2012
- 112 East 128th Street157 apartments, built 1980
- 62 East 129th Street25 apartments, built 1920
- 1951 Park Avenue173 apartments, built 2012
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 1-01778-0006.