1752 Union St

Fire safetyApt F1 class A · HPD violation

Fire safety class C · closed · HPD violation

Fire safety class C · closed · HPD violation

Fire safety class C · closed · HPD violation

Lead-based paintApt C6 class C · HPD violation

Structure and facade

Issues on record

What has happened here

Walls, floors and stairsApt F1 class B · HPD violation

Construction class - 2 · DOB violation

Construction class - 2 · DOB violation

Construction class - 2 · DOB violation

Doors and windowsApt E9 class B · HPD violation

Doors and windows class B · HPD violation

Show 13 more

Doors and windowsApt B3 class A · closed · HPD violation

Walls, floors and stairsApt B3 class A · closed · HPD violation

Walls, floors and stairsApt C8 class A · closed · HPD violation

Walls, floors and stairsApt E2 class A · closed · HPD violation

Walls, floors and stairsApt B10 class A · HPD violation

Walls, floors and stairsApt B10 class A · HPD violation

Walls, floors and stairsApt C6 class B · HPD violation

Walls, floors and stairsApt C6 class B · HPD violation

Walls, floors and stairsApt C6 class B · HPD violation

Walls, floors and stairsApt C6 class B · HPD violation

Walls, floors and stairsApt C6 class B · HPD violation

Walls, floors and stairsApt C6 class B · HPD violation

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

Heat and hot water

Issues on record · 111 complaints, 2024–2026 · 65 in the past year

What has happened here

Heat or hot waterApt C2 class C · HPD violation

Heat or hot waterApt C8 class C · HPD violation

Heat or hot waterApt C5 complaint

2026 Mar

Heat or hot waterApt E9 complaint

Show 135 more

2026 Mar

2026 Mar

Heat or hot waterApt C2 complaint

Heat or hot waterApt B7 complaint

Heat or hot waterApt 1A complaint

Heat or hot waterApt C2 complaint

Heat or hot waterApt B9 complaint

Heat or hot water class C · closed · HPD violation

Heat or hot waterApt C8 class C · closed · HPD violation

Heat or hot waterApt C6 class C · closed · HPD violation

Heat or hot water class C · closed · HPD violation

Heat or hot waterApt F5 class C · closed · HPD violation

Heat or hot waterApt B1 complaint

Heat or hot water class C · closed · HPD violation

Heat or hot waterApt B3 class C · closed · HPD violation

Heat or hot waterApt F8 complaint

Heat or hot waterApt F8 complaint

Heat or hot waterApt E2 complaint

Heat or hot waterApt F4 complaint

Heat or hot waterApt F7 complaint

Heat or hot waterApt E9 complaint

Heat or hot waterApt B7 complaint

2024 Aug

2024 Aug

2024 Apr

2024 Apr

2024 Mar

2024 Mar

Heat or hot waterApt C6 complaint

2024 Mar

2024 Jan

2024 Jan

Heat or hot waterApt C4 complaint

Heat or hot waterApt C4 complaint

2023 Oct

Heat or hot waterApt C4 complaint

1994 May

Fuel burning permit, Boiler permit

Heat source

Boiler burning No. 2 oil (Federal FST-100), registration current since Dec 2024

Clean Air Tracking System (boiler registrations), as of 2026-10-21 · See this building's boiler registrations on NYC Open Data →

Boiler inspection filings

Latest accepted inspection Jun 2026, defects reported: no

DOB NOW: Safety Boiler, as of 2026-10-20 · See the boiler filings at DOB →

What this counts

Accepted annual boiler inspection filings, any date

Boiler work permits

Latest boiler work permit 1994

DOB Permit Issuance (BIS), as of 2026-10-20

What this counts

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

Heat and hot water complaints

100 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

Issues on record · 20 complaints, 2025–2026 · 4 in the past year

What has happened here

Water service line

Non-Lead (field inspection)

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

Pests and cleanliness

Issues on record · 45 complaints, 2024–2026 · 12 in the past year

What has happened here

PestsApt C2 class C · HPD violation

PestsApt C2 complaint

PestsApt E9 class C · HPD violation

MoldApt E9 complaint

2026 Jun

Show 61 more

2026 Jun

PestsApt C7 complaint

2026 May

MoldApt E9 class A · HPD violation

2026 May

MoldApt E9 complaint

PestsApt D9 class C · closed · HPD violation

MoldApt C6 class A · closed · HPD violation

MoldApt C2 complaint

PestsApt B3 class C · closed · HPD violation

MoldApt B3 class A · closed · HPD violation

PestsApt F8 class C · closed · HPD violation

PestsApt F8 class C · closed · HPD violation

2025 Sep

MoldApt E9 complaint

2025 Sep

2025 Sep

PestsApt F8 complaint

PestsApt F4 complaint

PestsApt F3 complaint

PestsApt F1 complaint

PestsApt C2 class C · HPD violation

PestsApt B7 class C · HPD violation

PestsApt B7 class C · HPD violation

MoldApt E4 complaint

Mold, pestsApt C10 complaint

PestsApt D9 complaint

PestsApt C7 complaint

PestsApt C2 complaint

PestsApt C1 complaint

PestsApt B7 complaint

PestsApt B4 complaint

2025 Jul

2025 Jul

2025 Jun

MoldApt D10 complaint

MoldApt E9 class B · HPD violation

Mold, pestsApt E9 complaint

PestsApt B4 complaint

PestsApt C7 complaint

Unsanitary conditionsApt D7 complaint

Unsanitary conditions, pestsApt D7 complaint

2024 Oct

PestsApt D7 complaint

2024 Oct

Unsanitary conditionsApt D7 complaint

2024 Sep

2024 Jun

PestsApt C3 complaint

Electrical

Issues on record, most recently 2025

What has happened here

ElectricalApt B10 class B · HPD violation

Flooding

No issues on record

FEMA flood zone

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

FEMA National Flood Hazard Layer, as of 2026-10-21

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

Elevators

3 complaints, 2024

What has happened here

ElevatorsApt D7 complaint

ElevatorsApt D7 complaint

2024 Oct

ElevatorsApt D7 complaint

2021 Mar

Elevator DOB violation

2020 Mar

Elevator DOB violation

Elevators

1 active elevator; latest periodic inspection Jun 2026

DOB NOW Elevator Safety Compliance, as of 2026-10-20 · See this building's elevators on NYC Open Data →

What this counts

Active elevator devices registered to this building ID

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 90 (2023 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

26 open: 26 about building conditions — walls, floors and stairs (9), pests (6), doors and windows (2), heat or hot water (2); 9 immediately hazardous (class C). Also 1 older record from 2007 never closed. 25 further violations from 2025–2026 were closed. 596 violations on record in all, 1991–2026 — the 247 most recent are listed here

Fire safetyApt F1 class A

Walls, floors and stairsApt F1 class B

Heat or hot waterApt C2 class C

Heat or hot waterApt C8 class C

Doors and windowsApt E9 class B

PestsApt E9 class C

Show 42 more

Doors and windows class B

Fire safety class C · closed

Fire safety class C · closed

Fire safety class C · closed

2026 May

MoldApt E9 class A

Other conditions class A · closed

PestsApt D9 class C · closed

Smoke or CO detectorsApt D9 class B · closed

Heat or hot water class C · closed

Heat or hot waterApt C8 class C · closed

LeaksApt C6 class B · closed

MoldApt C6 class A · closed

Heat or hot waterApt C6 class C · closed

Heat or hot water class C · closed

Heat or hot waterApt F5 class C · closed

Heat or hot water class C · closed

Doors and windowsApt B3 class A · closed

PestsApt B3 class C · closed

MoldApt B3 class A · closed

Walls, floors and stairsApt B3 class A · closed

Heat or hot waterApt B3 class C · closed

Other conditions class B · closed

Walls, floors and stairsApt C8 class A · closed

Smoke or CO detectorsApt C8 class B · closed

PestsApt F8 class C · closed

PestsApt F8 class C · closed

Walls, floors and stairsApt E2 class A · closed

Other conditions class B

Walls, floors and stairsApt B10 class A

Walls, floors and stairsApt B10 class A

ElectricalApt B10 class B

MoldApt E9 class B

Lead-based paintApt C6 class C

Housing Maintenance Code Violations, as of 2026-10-20 · 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

5 open: 5 about building conditions

Construction class - 2

Construction class - 2

Construction class - 2

DOB Violations, as of 2026-10-20 · 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

111 heat or hot water, 32 pests, 14 doors or windows, 14 plumbing, 12 general repairs, 12 paint or plaster, 8 mold, 8 unsanitary conditions, 7 appliances, 6 leaks, 5 floors or stairs, 3 elevators, 2 safety

Heat or hot waterApt D10

Heat or hot waterApt D10

Paint or plasterApt F1

Paint or plaster, leaksApt F1

Paint or plaster, leaksApt F1