21 Cook Street
An 8-story building with 89 apartments, built in 2010, in Brooklyn, NY 11206.
Addresses on the lot: 19 to 25 Cook Street.
HPD records as of October 24, 2026
HPD lists no open violations at 21 Cook Street. Tenants made 8 complaints to HPD in the past year, 4 about heat or hot water. It is registered to COOK STREET HOUSING LLC. 89 apartments were registered as rent stabilized in 2023.
Does 21 Cook Street have open violations?
No. HPD lists no open violations at 21 Cook Street as of October 24, 2026.
No class C violation is open. 70% of NYC buildings with 50 to 99 apartments have one. More on buildings by size
Every violation on HPD Online ↗ · How to read HPD violations
What do tenants complain about?
Tenants made 8 complaints to HPD in the 12 months to October 24, 2026, 4 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 21 Cook Street?
21 Cook Street is registered with HPD to COOK STREET HOUSING 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 1 older case, the latest from 2010.
City marshals carried out no evictions here in the five years to May 30, 2026.
For comparison, 5% of residential buildings in 11206 had a housing court case in the past five years.
Is 21 Cook Street rent stabilized?
89 apartments were registered as rent stabilized in 2023, down from 90 in 2018. That’s 89 of the building’s 89 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
- 45 Graham Avenue35 apartments, built 2023
- 31 Graham Avenue34 apartments, built 1973
- 9 Cook Street153 apartments, built 2009
- 20 Manhattan Avenue24 apartments, built 1931
- 66 Graham Avenue30 apartments, built 1925
- 46 Cook Street45 apartments, built 2018
HPD violations, complaints, registrations and housing court cases as of October 24, 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 3-03113-7501.