121 St Marks Pl

Heat or hot waterApt 18 class A · closed · HPD violation

Heat or hot waterApt 18 class A · closed · HPD violation

Heat or hot waterApt 18 class A · closed · HPD violation

Heat or hot waterApt 18 class A · closed · HPD violation

Heat or hot waterApt 18 class A · closed · HPD violation

Heat or hot waterApt 26 complaint

Show 21 more

Heat or hot waterApt 26 complaint

Heat or hot waterApt 14 complaint

Heat or hot waterApt 27 complaint

Heat or hot waterApt 26 complaint

Heat or hot waterApt 18 complaint

Heat or hot waterApt 14 complaint

Heat or hot waterApt 24 class C · closed · HPD violation

Heat or hot water class C · closed · HPD violation

Heat or hot waterApt 24 class C · closed · HPD violation

Heat or hot waterApt 11 complaint

Heat or hot waterApt 14 complaint

Heat or hot waterApt 18 complaint

Heat or hot waterApt 18 complaint

Heating/ventilation permit

2017 Jun

Heat sourceno recordNo boiler registration or district steam on record
Boiler inspection filingsno recordNo boiler filings under this building's ID
Boiler work permitsno recordNo boiler work permits on record
Heat and hot water complaintsfound0 heat or hot water complaints

Pests and cleanliness

Issues on record (2024) · 3 complaints, 2025–2026 · 1 in the past year

What has happened here

PestsApt 23 complaint

Rubbish and cleanliness class B · closed · HPD violation

PestsApt 7 complaint

Unsanitary conditions complaint

PestsApt 31 complaint

PestsApt 18 class B · closed · HPD violation

Show 21 more

2024 May

Pests class A · paperwork · closed · HPD violation

2024 Apr

MoldApt 19 class B · HPD violation

PestsApt 19 class C · HPD violation

PestsApt 18 class B · closed · HPD violation

PestsApt 18 class B · closed · HPD violation

PestsApt 27 class C · HPD violation

PestsApt 27 complaint

MoldApt 23 class B · HPD violation

2023 Nov

PestsApt 19 complaint

2023 Aug

2023 Jul

MoldApt 23 class B · HPD violation

2023 Jul

MoldApt 23 class B · HPD violation

2022 Sep

PestsApt 12 class C · HPD violation

2022 Sep

PestsApt 12 class C · HPD violation

PestsApt 12 class C · HPD violation

Fire and safety

Issues on record, most recently 2025

What has happened here

Fire safety class C · closed · HPD violation

Fire safety class B · HPD violation

Fire safety class C · closed · HPD violation

Fire safetyApt 32 class C · HPD violation

Fire safetyApt 18 class C · closed · HPD violation

2022 Apr

Fire safetyApt 12 class B · HPD violation

Show 2 more

Fire safetyApt 12 class B · HPD violation

2017 Sep

Fire protection permit

Electrical

1 complaint, 2025

What has happened here

ElectricalApt 21 complaint

Flooding

No issues on record

FEMA flood zone

Outside FEMA's 1% annual-chance flood zone: X

FEMA National Flood Hazard Layer, as of 2026-10-19

What this counts

Effective FIRM zones touching the building footprint

Stormwater flooding

Extreme storm, 2080 sea levels: Not in mapped flooding; Moderate storm, 2050 sea levels: Not in mapped flooding; Moderate storm, today's sea levels: Not in mapped flooding; Limited storm, today's sea levels: Not loaded (file format unreadable)

NYC Stormwater Flood Maps, as of 2024-07-03

What this counts

Mapped ponding touching the building footprint

BasementWhole tax lot

Below grade

PLUTO (tax lot data), as of 2026-08-24

Rent and tenancy

On the state list

Rent stabilizationWhole tax lot

On the state's list of buildings with at least one rent-stabilized apartment (2024 registrations); listed for this tax lot (1 addresses), not under this building's address

Rent Stabilized Building Lists (2024 HCR registrations), as of 2025-11-30

What this counts

The list doesn't say which apartments are stabilized, and being listed isn't proof of current status. For a specific apartment, request its rent history from HCR

Gas

What has happened here

PL-PER Gas Piping - LL152 DOB violation

Gas piping

Open violation for not filing the periodic gas piping inspection (2026)

DOB Safety Violations, as of 2026-10-18

What this counts

Paperwork violation: the filing is missing, which is not a finding about the pipes

General condition and all records

HPD violations

63 open: 63 about building conditions — walls, floors and stairs (28), pests (8), doors and windows (7), fire safety (7); 16 immediately hazardous (class C). Also 12 older records from 1997–2015 never closed. 25 further violations from 2024–2025 were closed. 286 violations on record in all, 1997–2026 — the 102 most recent are listed here

2026 Jul

Walls, floors and stairsApt 24 class B

2026 Jul

LeaksApt 24 class B

Doors and windows class B

Doors and windows class B

Rubbish and cleanliness class B · closed

Fire safety class C · closed

Walls, floors and stairs class A

Fire safety class B

Show 42 more

Leaks class B · closed

Fire safety class C · closed

Doors and windows class B

Doors and windows class C · closed

Fire safetyApt 32 class C

PestsApt 18 class B · closed

2024 Apr

Pests class A · paperwork · closed

Walls, floors and stairsApt 18 class A · closed

PestsApt 18 class B · closed

PestsApt 18 class B · closed

Fire safetyApt 18 class C · closed

PestsApt 27 class C

Smoke or CO detectorsApt 27 class B · closed

Smoke or CO detectorsApt 27 class B · closed

Heat or hot waterApt 24 class C · closed

Heat or hot water class C · closed

Heat or hot waterApt 24 class C · closed

2023 Aug

MoldApt 23 class B

2023 Jul

Doors and windowsApt 23 class A

Fire safetyApt 12 class B

2022 Apr

2022 Apr

Fire safetyApt 12 class B

Walls, floors and stairsApt 12 class A

PestsApt 12 class C

2021 Nov

2021 Aug

and 25 more at the source

Housing Maintenance Code Violations, as of 2026-10-19 · Read these violations in full at HPD Online →

What this counts

Open HPD violations inspected in the last 10 years; class C = immediately hazardous. Paperwork = failure to file, notify or certify

DOB violations

4 open: 1 about building conditions, 1 about filings or paperwork, 2 older than 10 years

Construction class - 2

PL-PER Gas Piping - LL152

2010 Mar

Construction never closed

2004 Apr

Construction never closed

DOB Violations, as of 2026-10-18 · Read these violations in full at DOB →

What this counts

Open DOB, ECB and DOB NOW Safety violations, any date, one per violation. ECB class 1 = hazardous, class 2 = major

Resident complaints to the city

4 safety, 3 paint or plaster, 2 electrical, 2 pests, 1 floors or stairs, 1 unsanitary conditions

Electrical, safetyApt 21

Paint or plasterApt 23

Floors or stairs, paint or plaster, unsanitary conditions

PestsApt 31

Floors or stairs, leaksApt 32

Show 28 more

Floors or stairs, pestsApt 18

PestsApt 18

2024 May

Heat or hot waterApt 26

Heat or hot water

Heat or hot waterApt 26

Heat or hot water

Heat or hot waterApt 14

Heat or hot waterApt 27

Heat or hot waterApt 26

Heat or hot waterApt 18

Heat or hot water

Heat or hot waterApt 14

PestsApt 27

Heat or hot waterApt 11

Heat or hot waterApt 14

Heat or hot waterApt 18

PestsApt 18

General construction permit

Heat or hot waterApt 18

Housing Maintenance Code Complaints and Problems, as of 2026-10-19 · See the complaints at HPD Online →

What this counts

HPD complaints received in the last 2 years; the list below is every complaint on record for the last three years

Permit history

60 permits since 1990

2026 Apr

General construction permit

Plumbing permit

2025 Jan

2024 Aug

Structural permit

2024 Aug

General construction permit

2017 Sep

Fire protection permit

2017 Jun

Heating/ventilation permit, General construction permit, Plumbing permit

2017 Mar

Plumbing permit

and 52 more at the source

DOB NOW: Build – Approved Permits, as of 2026-10-17 · See every permit at DOB →

What this counts

DOB permits issued (DOB NOW and legacy BIS), one per job and work type; excludes sheds

Everything else on record

Smoke or CO detectorsApt 19 class B · closed · HPD violation

Smoke or CO detectorsApt 19 class B · closed · HPD violation

SafetyApt 14 complaint

SafetyApt 21 complaint

Paint or plasterApt 23 complaint

Floors or stairs, paint or plaster complaint

Show 7 more

Floors or stairsApt 32 complaint

2024 Aug

Structural permit

2024 May

Floors or stairsApt 18 complaint

Smoke or CO detectorsApt 19 class B · closed · HPD violation

Smoke or CO detectorsApt 19 class B · closed · HPD violation

Smoke or CO detectorsApt 27 class B · closed · HPD violation