511 Third Avenue
A 35-story building with 229 apartments, built in 2021, in Manhattan, NY 10016.
Addresses on the lot: 509 3rd Avenue.
HPD records as of October 26, 2026
HPD lists no open violations at 511 Third Avenue. Tenants made 5 complaints to HPD in the past year, 2 about heat or hot water. It is registered to THIRD AND THIRTY FOUR LLC. 183 apartments were registered as rent stabilized in 2023.
Does 511 Third Avenue have open violations?
No. HPD lists no open violations at 511 Third Avenue as of October 26, 2026.
No class C violation is open. 56% of NYC buildings with 100 or more apartments have one. More on buildings by size
Of the violations HPD wrote here in the past year, 6 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 October 26, 2026, 2 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 511 Third Avenue?
511 Third Avenue is registered with HPD to THIRD AND THIRTY FOUR LLC. The registration also names a head officer and a managing agent, the people 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
None in the past five years. HPD’s record has 5 older cases, the latest from 2019.
City marshals carried out no evictions here in the five years to May 30, 2026.
For comparison, 8% of residential buildings in 10016 had a housing court case in the past five years.
Is 511 Third Avenue rent stabilized?
183 apartments were registered as rent stabilized in 2023, up from 24 in 2018. That’s 183 of the building’s 229 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
- 501 3rd Avenue144 apartments, built 2020
- 206 East 34th Street33 apartments, built 1900
- 225 East 34th Street190 apartments, built 2007
- 222 East 35th Street59 apartments, built 1942
- 166 East 35th Street112 apartments, built 1957
- 525 3rd Avenue85 apartments, built 1928
HPD violations, complaints, registrations and housing court cases as of October 26, 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 1-00915-0002.