835 Clarkson Avenue
A 4-story building with 25 apartments, built in 1936, in Brooklyn, NY 11203.
Addresses on the lot: 829 to 839 Clarkson Avenue.
HPD records as of October 24, 2026
835 Clarkson Avenue has 50 open HPD violations, 19 of them immediately hazardous. Tenants made 14 complaints to HPD in the past year, 7 about heat or hot water. It is registered to THE CLARKSON WINTHROP GROUP LLC. 25 apartments were registered as rent stabilized in 2023.
Does 835 Clarkson Avenue have open violations?
Yes: 50 open violations as of October 24, 2026. HPD sorts them by how soon the owner must fix them:
| Class | Deadline | Open |
|---|---|---|
| C, immediately hazardous | 24 hours for most | 19 |
| B, hazardous | 30 days | 19 |
| A, non-hazardous | About 90 days | 12 |
It has an open class C violation, as 66% of NYC buildings with 20 to 49 apartments do. 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 14 complaints to HPD in the 12 months to October 24, 2026, 7 of them about heat or hot water. Complaints reach HPD through 311; an inspector may then write a violation.
Among NYC buildings with 20 to 49 apartments, 69% had at least one complaint to HPD in the past year, and 53% had one about heat or hot water.
Every complaint on HPD Online ↗ · Noise complaints go to 311, not HPD
Who owns 835 Clarkson Avenue?
835 Clarkson Avenue is registered with HPD to THE CLARKSON WINTHROP GROUP LLC. The registration also names a head officer and a managing agent, the people HPD contacts about the building.
1 other building is registered to the same company name, with 0 open violations between them.
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 2011.
City marshals carried out 2 evictions here in the five years to May 30, 2026.
For comparison, 4% of residential buildings in 11203 had a housing court case in the past five years.
Is 835 Clarkson Avenue rent stabilized?
25 apartments were registered as rent stabilized in 2023, the same as in 2018. That’s 25 of the building’s 25 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
- 210 East 51st Street37 apartments, built 1931
- 875 Clarkson Avenue37 apartments, built 1928
- 783 Lenox Road24 apartments, built 1927
- 155 East 51st Street47 apartments, built 1930
- 175 East 52nd Street43 apartments, built 1930
- 894 Winthrop Street42 apartments, built 1930
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 3-04620-0035.