536 Williams Avenue

A 4-story building with 22 apartments, built in 1930, in Brooklyn, NY 11207.

Addresses on the lot: 510 Riverdale Avenue.

HPD records as of November 5, 2026

216open HPD violations71 immediately hazardous

24complaints to HPD, past year2 about heat or hot water

Nonerent-stabilized apartments registered2018 to 2023

September 2025latest housing court case16 cases on record, all years

536 Williams Avenue has 216 open HPD violations, 71 of them immediately hazardous. Tenants made 24 complaints to HPD in the past year, 2 about heat or hot water. It is registered to Riverdale Properties LLC.

Does 536 Williams Avenue have open violations?

Yes: 216 open violations as of November 5, 2026. HPD sorts them by how soon the owner must fix them:

Class	Deadline	Open
C, immediately hazardous	24 hours for most	71
B, hazardous	30 days	122
A, non-hazardous	About 90 days	23

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, 2 have been closed.

Every violation on HPD Online ↗ · How to read HPD violations

What do tenants complain about?

Tenants made 24 complaints to HPD in the 12 months to November 5, 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 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 536 Williams Avenue?

536 Williams Avenue is registered with HPD to Riverdale Properties 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

The latest housing court case over conditions or harassment opened in September 2025. HPD’s record has 16 cases here in all, going back to the 1990s.

The building is in HPD’s Alternative Enforcement Program, which takes on the city’s worst-maintained buildings.

City marshals carried out 3 evictions here in the five years to May 30, 2026.

For comparison, 6% of residential buildings in 11207 had a housing court case in the past five years.

Is 536 Williams Avenue rent stabilized?

No rent-stabilized apartments were registered here from 2018 to 2023. That doesn’t prove there are none: some owners don’t register them.

How to check if an apartment is rent stabilized

Scores out of ten, from today’s records

Score this building

The 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

HPD violations, complaints, registrations and housing court cases as of November 5, 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 3-03835-0026.