174 23 St

2026 Feb

Show 33 more

2026 Feb

2026 Jan

2026 Jan

Heat or hot waterApt D5 complaint

2026 Jan

2025 Dec

2025 Dec

2025 Dec

Heat or hot waterApt CC5 complaint

Heat or hot waterApt JJ1 complaint

Heat or hot waterApt TT4 complaint

2025 Apr

2025 Feb

2025 Feb

2025 Feb

2024 Nov

Heat or hot waterApt NN2 complaint

2023 Dec

2023 Nov

2023 Nov

Heat or hot waterApt GG5 class C · HPD violation

2013 Sep

Heating/ventilation permit

Heat source

Boiler burning natural gas (Natco VW-0400-CN12), registration current since Nov 2025

Clean Air Tracking System (boiler registrations), as of 2026-10-20 · See this building's boiler registrations on NYC Open Data →

Boiler inspection filings

Latest accepted inspection Mar 2026, defects reported: no

DOB NOW: Safety Boiler, as of 2026-10-19 · See the boiler filings at DOB →

What this counts

Accepted annual boiler inspection filings, any date

Boiler work permits

Latest boiler work permit 2009

DOB Permit Issuance (BIS), as of 2026-10-19

What this counts

DOB boiler permits (BIS and DOB NOW); a permit dates work, not the boiler's age

Heat and hot water complaints

21 heat or hot water complaints

Housing Maintenance Code Complaints and Problems, as of 2026-10-20 · See the complaints at HPD Online →

What this counts

HPD complaints, heat season 2025–26 (Oct 1–May 31)

Water and pipes

1 complaint, 2025

What has happened here

PlumbingApt LL1 complaint

2024 Jul

LeaksApt N4 complaint

LeaksApt DD2 class B · closed · HPD violation

LeaksApt G4 complaint

LeaksApt P2 complaint

LeaksApt GG5 class B · HPD violation

Show 1 more

2010 Sep

Plumbing permit

Water service line

Non-Lead (field inspection)

Lead Service Line Location Coordinates, as of 2026-01-30

Pests and cleanliness

3 complaints, 2025–2026 · 2 in the past year

What has happened here

Unsanitary conditions complaint

PestsApt CC5 class C · closed · HPD violation

PestsApt CC5 complaint

PestsApt JJ1 class C · closed · HPD violation

MoldApt LL1 complaint

MoldApt DD2 class B · closed · HPD violation

Show 14 more

2024 May

MoldApt DD2 complaint

MoldApt P2 class B · closed · HPD violation

PestsApt EE1 class C · closed · HPD violation

MoldApt P2 complaint

PestsApt EE1 complaint

PestsApt FF4 complaint

2023 Nov

PestsApt R1 complaint

2020 Aug

2020 Aug

PestsApt J1 class C · HPD violation

2020 Mar

2020 Mar

PestsApt N5 class C · HPD violation

PestsApt PP4 class C · HPD violation

Fire and safety

Older records on file

What has happened here

Fire safetyApt CC5 class C · closed · HPD violation

Fire safetyApt JJ1 class C · closed · HPD violation

2025 Apr

Fire safety class B · closed · HPD violation

Fire safetyApt DD2 class C · closed · HPD violation

Fire safetyApt P2 class C · closed · HPD violation

Fire safetyApt A4 class B · HPD violation

Electrical

1 complaint, 2026

What has happened here

Electrical complaint

Structure and facade

Issues on record, most recently 2021

What has happened here

Walls, floors and stairsApt DD2 class B · closed · HPD violation

Walls, floors and stairsApt P2 class B · closed · HPD violation

Doors and windowsApt P2 class B · closed · HPD violation

2021 Nov

Show 11 more

Walls, floors and stairsApt GG2 class B · HPD violation

Walls, floors and stairsApt GG2 class B · HPD violation

Doors and windowsApt GG5 class A · HPD violation

Walls, floors and stairsApt GG5 class B · HPD violation

Doors and windowsApt A4 class C · HPD violation

Walls, floors and stairsApt NN5 class A · HPD violation

Walls, floors and stairsApt NN5 class A · HPD violation

2016 Jun

General construction permit

2016 Feb

General construction permit, Construction fence permit

2013 Sep

General construction permit

Facade ratingnot requiredNot required: facade inspections apply only to buildings taller than 6 stories
Sidewalk shed and scaffoldingno recordNo sidewalk shed permits on record
Landmark statusno recordNot in a historic district on record

Elevators

1 complaint, 2026

What has happened here

Elevators complaint

Elevatorsnot requiredNo elevators registered to this building

Rent and tenancy

On the state list

Rent stabilization

On the state's list of buildings with at least one rent-stabilized apartment (2024 registrations)

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

Energy

ENERGY STAR score 100 (2024 report)

Energy and Water Data Disclosure (Local Law 84), as of 2025-11-25

What this counts

Letter grades are issued by the city under Local Law 33 and posted near the building entrance; Blueflo shows the reported score only

General condition and all records

HPD violations

48 open: 48 about building conditions — walls, floors and stairs (16), doors and windows (13), pests (8), fire safety (4); 9 immediately hazardous (class C). Also 5 older records from 2013–2016 never closed. 15 further violations from 2024–2025 were closed. 393 violations on record in all, 2001–2025 — the 68 most recent are listed here

Other conditions class I · paperwork · closed

Fire safetyApt CC5 class C · closed

PestsApt CC5 class C · closed

Fire safetyApt JJ1 class C · closed

PestsApt JJ1 class C · closed

2025 Apr

Fire safety class B · closed

Fire safetyApt DD2 class C · closed

Walls, floors and stairsApt DD2 class B · closed

Show 32 more

LeaksApt DD2 class B · closed

MoldApt DD2 class B · closed

Walls, floors and stairsApt P2 class B · closed

MoldApt P2 class B · closed

PestsApt EE1 class C · closed

Fire safetyApt P2 class C · closed

Doors and windowsApt P2 class B · closed

2021 Nov

Walls, floors and stairsApt GG2 class B

Walls, floors and stairsApt GG2 class B

Doors and windowsApt GG5 class A

Smoke or CO detectorsApt GG5 class B

Smoke or CO detectorsApt GG5 class B

Walls, floors and stairsApt GG5 class B

LeaksApt GG5 class B

Heat or hot waterApt GG5 class C

Smoke or CO detectorsApt PP4 class B

Smoke or CO detectorsApt PP4 class B

PestsApt PP4 class C

Doors and windowsApt A4 class C

Fire safetyApt A4 class B

Walls, floors and stairsApt NN5 class A

Walls, floors and stairsApt NN5 class A

and 13 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

7 open: 7 about building conditions

DOB Violations, as of 2026-10-19 · 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

25 heat or hot water, 1 electrical, 1 elevators, 1 general repairs, 1 mold, 1 pests, 1 plumbing, 1 unsanitary conditions

Electrical, elevators

General repairs, unsanitary conditions

Show 34 more

Heat or hot waterApt D5

Heat or hot waterApt CC5

PestsApt CC5

Heat or hot waterApt JJ1

Paint or plaster, leaksApt N4

Heat or hot waterApt TT4

Plumbing, moldApt LL1

Doors or windowsApt P2

Heat or hot waterApt NN2

Housing Maintenance Code Complaints and Problems, as of 2026-10-20 · 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

26 permits since 1990

Mechanical systems permit

2021 Jun

Sign permit

2016 Jun

General construction permit

2016 Feb

General construction permit, Construction fence permit

Heating/ventilation permit, General construction permit

2010 Sep

Plumbing permit

and 18 more at the source

DOB NOW: Build – Approved Permits, as of 2026-10-19 · 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

General repairs complaint

Other conditions class I · paperwork · closed · HPD violation

Mechanical systems permit

2024 Jul

Paint or plasterApt N4 complaint

2024 Mar

Doors or windowsApt P2 complaint

2021 Jun

Sign permit

Show 6 more

Smoke or CO detectorsApt GG5 class B · HPD violation

Smoke or CO detectorsApt GG5 class B · HPD violation

Smoke or CO detectorsApt PP4 class B · HPD violation