3901 Nostrand Avenue

A 6-story building with 243 apartments, built in 1961, in Brooklyn, NY 11235.

Addresses on the lot: 3863 to 3951 Nostrand Avenue.

HPD records as of October 25, 2026

70open HPD violations6 immediately hazardous

44complaints to HPD, past year33 about heat or hot water

8rent-stabilized apartmentsregistered in 2023

April 2026latest housing court case3 cases on record, all years

3901 Nostrand Avenue has 70 open HPD violations, 6 of them immediately hazardous. Tenants made 44 complaints to HPD in the past year, 33 about heat or hot water. It is registered to SEA ISLE OWNERS INC. 8 apartments were registered as rent stabilized in 2023.

Does 3901 Nostrand Avenue have open violations?

Yes: 70 open violations as of October 25, 2026. HPD sorts them by how soon the owner must fix them:

Class	Deadline	Open
C, immediately hazardous	24 hours for most	6
B, hazardous	30 days	48
A, non-hazardous	About 90 days	16

It has an open class C violation, as 56% of NYC buildings with 100 or more apartments do. More on buildings by size

Of the violations HPD wrote here in the past year, 21 have been closed.

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

What do tenants complain about?

Tenants made 44 complaints to HPD in the 12 months to October 25, 2026, 33 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 3901 Nostrand Avenue?

3901 Nostrand Avenue is registered with HPD to SEA ISLE OWNERS INC. The registration also names a head officer and a managing agent, the people HPD contacts about the building.

The name is a co-op’s: residents own shares in the building, and an apartment for rent here is usually a sublet from a shareholder, which the board has to approve.

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 April 2026. HPD’s record has 3 cases here in all, going back to the 1990s.

City marshals carried out 2 evictions here in the five years to May 30, 2026.

For comparison, 2% of residential buildings in 11235 had a housing court case in the past five years.

Is 3901 Nostrand Avenue rent stabilized?

8 apartments were registered as rent stabilized in 2023, down from 9 in 2018. That’s 8 of the building’s 243 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 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 October 25, 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 3-07475-0001.