1501 Undercliff Avenue
A 6-story building with 98 apartments, built in 1929, in the Bronx, NY 10453.
HPD records as of October 29, 2026
1501 Undercliff Avenue has 31 open HPD violations, 13 of them immediately hazardous. Tenants made 41 complaints to HPD in the past year, 5 about heat or hot water. It is registered to 1501 UNDERCLIFF ASSOCIATES LLP. 98 apartments were registered as rent stabilized in 2023.
Does 1501 Undercliff Avenue have open violations?
Yes: 31 open violations as of October 29, 2026. HPD sorts them by how soon the owner must fix them:
| Class | Deadline | Open |
|---|---|---|
| C, immediately hazardous | 24 hours for most | 13 |
| B, hazardous | 30 days | 10 |
| A, non-hazardous | About 90 days | 8 |
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, 51 have been closed.
Every violation on HPD Online ↗ · How to read HPD violations
What do tenants complain about?
Tenants made 41 complaints to HPD in the 12 months to October 29, 2026, 5 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 1501 Undercliff Avenue?
1501 Undercliff Avenue is registered with HPD to 1501 UNDERCLIFF ASSOCIATES LLP. 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 November 2021. HPD’s record has 16 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, 24% of residential buildings in 10453 had a housing court case in the past five years.
Is 1501 Undercliff Avenue rent stabilized?
98 apartments were registered as rent stabilized in 2023, the same as in 2018. That’s 98 of the building’s 98 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
- 1514 Sedgwick Avenue96 apartments, built 2004
- 1520 Sedgwick Avenue101 apartments, built 1969
- 1535 Undercliff Avenue146 apartments, built 1930
- 1526 Sedgwick Avenue39 apartments, built 2021
- 1531 University Avenue5,502 apartments, built 1950
- 1522 University Avenue60 apartments, built 1924
HPD violations, complaints, registrations and housing court cases as of October 29, 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 2-02880-0061.