550 East 21st Street
A 6-story building with 54 apartments, built in 1952, in Brooklyn, NY 11226.
Addresses on the lot: 548 to 556 East 21st Street.
HPD records as of November 6, 2026
550 East 21st Street has 48 open HPD violations, 30 of them immediately hazardous. Tenants made 14 complaints to HPD in the past year, 5 about heat or hot water. It is registered to 550 East 21 LLC. 54 apartments were registered as rent stabilized in 2023.
Does 550 East 21st Street have open violations?
Yes: 48 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 | 30 |
| B, hazardous | 30 days | 16 |
| A, non-hazardous | About 90 days | 2 |
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, 12 have been closed.
Every violation on HPD Online ↗ · How to read HPD violations
What do tenants complain about?
Tenants made 14 complaints to HPD in the 12 months to November 6, 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 550 East 21st Street?
550 East 21st Street is registered with HPD to 550 East 21 LLC. 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 2025. HPD’s record has 16 cases here in all, going back to the 1990s.
It is on the city’s Speculation Watch List: rent-regulated buildings sold at prices that suggest the buyer plans to push rents up.
City marshals carried out 3 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 550 East 21st Street rent stabilized?
54 apartments were registered as rent stabilized in 2023, up from 53 in 2018. That’s 54 of the building’s 54 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
- 538 East 21st Street53 apartments, built 1931
- 555 East 21st Street58 apartments, built 1961
- 543 East 21st Street59 apartments, built 1931
- 580 East 21st Street64 apartments, built 1961
- 2107 Ditmas Avenue200 apartments, built 1975
- 535 East 21st Street49 apartments, built 1962
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 3-05184-0031.