12 Martense Street
A 4-story building with 20 apartments, built in 1925, in Brooklyn, NY 11226.
HPD records as of November 5, 2026
12 Martense Street has 42 open HPD violations, 16 of them immediately hazardous. Tenants made 13 complaints to HPD in the past year, 1 about heat or hot water. It is registered to 12 martense holdings llc.
Does 12 Martense Street have open violations?
Yes: 42 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 | 16 |
| B, hazardous | 30 days | 21 |
| A, non-hazardous | About 90 days | 5 |
It has an open class C violation, as 66% of NYC buildings with 20 to 49 apartments do. More on buildings by size
Every violation on HPD Online ↗ · How to read HPD violations
What do tenants complain about?
Tenants made 13 complaints to HPD in the 12 months to November 5, 2026, 1 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 12 Martense Street?
12 Martense Street is registered with HPD to 12 martense holdings 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 15 older cases, the latest from 2011.
It was once in HPD’s Alternative Enforcement Program, for the city’s worst-maintained buildings, and has since left it.
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 12 Martense Street 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 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
- 22 Martense Street56 apartments, built 1962
- 45 Martense Street66 apartments, built 1937
- 30 Linden Boulevard37 apartments, built 1915
- 850 Flatbush Avenue21 apartments, built 1931
- 40 Linden Boulevard36 apartments, built 1937
- 141 East 21st Street76 apartments, built 1927
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 3-05089-0012.