536 Isham St

Heat or hot waterApt 31A complaint

Heat or hot waterApt 31A complaint

Heat or hot waterApt 41B complaint

Heat or hot waterApt 21B class A · HPD violation

Heat or hot waterApt 22A class B · closed · HPD violation

Show 12 more

Heat or hot waterApt 42A complaint

Heat or hot waterApt 53B complaint

Heat or hot waterApt CC class B · closed · HPD violation

Heat or hot waterApt CC complaint

Heat or hot waterApt 42A complaint

Heat or hot waterApt 822 complaint

Heat source

Boiler burning No. 2 oil (Rockmills MP-80), registration expired since Jun 2023

Clean Air Tracking System (boiler registrations), as of 2026-10-19 · See this building's boiler registrations on NYC Open Data →

Boiler inspection filings

Latest accepted inspection Aug 2026, defects reported: no

DOB NOW: Safety Boiler, as of 2026-10-17 · See the boiler filings at DOB →

What this counts

Accepted annual boiler inspection filings, any date

Heat and hot water complaints

5 heat or hot water complaints

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

What this counts

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

Boiler work permitsno recordNo boiler work permits on record

Water and pipes

Issues on record · 26 complaints, 2025–2026 · 21 in the past year

What has happened here

PlumbingApt 41B class B · HPD violation

PlumbingApt 41B complaint

PlumbingApt 22B complaint

Plumbing, leaksApt 44A complaint

LeaksApt 21B class B · HPD violation

PlumbingApt 21B class B · HPD violation

Show 38 more

LeaksApt 21B class B · HPD violation

LeaksApt 21B complaint

PlumbingApt 21B complaint

LeaksApt CC class A · closed · HPD violation

PlumbingApt CC class B · closed · HPD violation

PlumbingApt BB complaint

PlumbingApt 42B class B · closed · HPD violation

LeaksApt 42B class B · closed · HPD violation

Plumbing, leaksApt 42B complaint

PlumbingApt 32B complaint

LeaksApt 32B complaint

PlumbingApt AA complaint

PlumbingApt 41B complaint

LeaksApt 41B complaint

PlumbingApt CC complaint

PlumbingApt 55B complaint

Plumbing, leaksApt 44A complaint

LeaksApt 55B complaint

LeaksApt 23A complaint

LeaksApt 24B complaint

LeaksApt 2A complaint

Plumbing, leaksApt 41B complaint

PlumbingApt 1A complaint

2025 May

PlumbingApt 1A complaint

PlumbingApt 1A complaint

2024 Sep

LeaksApt 4B complaint

2024 Aug

LeaksApt 55B complaint

2024 Aug

LeaksApt 5B complaint

Plumbing, leaksApt 1A complaint

PlumbingApt 3A complaint

LeaksApt 24B complaint

2024 Mar

PlumbingApt 53B complaint

2024 Feb

PlumbingApt 3A complaint

PlumbingApt 3A complaint

Water service line

Non-Lead (records)

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

Pests and cleanliness

Issues on record · 18 complaints, 2025–2026 · 12 in the past year

What has happened here

PestsApt 22B class C · HPD violation

MoldApt 22B class A · HPD violation

MoldApt 22B complaint

Unsanitary conditions complaint

MoldApt 44A complaint

MoldApt 21B class B · HPD violation

Show 22 more

PestsApt 21B class C · closed · HPD violation

Mold, pestsApt 21B complaint

MoldApt CC class B · HPD violation

MoldApt CC class A · closed · HPD violation

MoldApt 42B complaint

MoldApt 32B complaint

PestsApt 55B complaint

MoldApt 24B complaint

MoldApt 2A complaint

MoldApt 43A complaint

MoldApt 31B complaint

PestsApt 1A complaint

PestsApt 1A complaint

MoldApt 22A complaint

MoldApt 1A complaint

Pests, unsanitary conditionsApt 3A complaint

Electrical

Issues on record · 7 complaints, 2025–2026 · 5 in the past year

What has happened here

ElectricalApt 22B class B · HPD violation

ElectricalApt 22B complaint

ElectricalApt 32B complaint

ElectricalApt 55B complaint

ElectricalApt 55B complaint

ElectricalApt 2A complaint

Show 4 more

ElectricalApt CC complaint

ElectricalApt 1A complaint

ElectricalApt 3A complaint

ElectricalApt 3A complaint

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 29 (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

82 open: 82 about building conditions — walls, floors and stairs (30), mold (12), doors and windows (11), lead-based paint (7); 21 immediately hazardous (class C). Also 3 older records from 2012 never closed. 25 further violations from 2026 were closed. 882 violations on record in all, 1998–2026 — the 298 most recent are listed here

Walls, floors and stairsApt 41B class A

Doors and windowsApt 41B class B

Doors and windowsApt 41B class B

PlumbingApt 41B class B

Walls, floors and stairsApt 22B class B

PestsApt 22B class C

Walls, floors and stairsApt 22B class B

MoldApt 22B class A

Show 42 more

ElectricalApt 22B class B

Fire safetyApt 31B class C

2026 Jul

Walls, floors and stairs class C · closed

2026 Jul

Fire safetyApt BB class C · closed

Heat or hot waterApt 21B class A

LeaksApt 21B class B

PestsApt 21B class C · closed

PlumbingApt 21B class B

Walls, floors and stairsApt 22A class B

Smoke or CO detectorsApt 54B class B · closed

Smoke or CO detectorsApt 54B class B · closed

Fire safety class C · closed

Heat or hot waterApt 22A class B · closed

MoldApt CC class B

LeaksApt CC class A · closed

MoldApt CC class A · closed

Walls, floors and stairs class B · closed

PlumbingApt CC class B · closed

Heat or hot waterApt CC class B · closed

Walls, floors and stairsApt BB class A · closed

Walls, floors and stairsApt BB class B · closed

Doors and windowsApt 42B class B · closed

Doors and windowsApt 42B class B · closed

Doors and windowsApt 55B class B · closed

Other conditionsApt 55B class B · closed

PlumbingApt 42B class B · closed

LeaksApt 42B class B · closed

Walls, floors and stairsApt 42B class B · closed

and 35 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

Resident complaints to the city

27 plumbing, 22 paint or plaster, 20 doors or windows, 19 floors or stairs, 15 heat or hot water, 14 leaks, 14 mold, 10 safety, 9 appliances, 7 electrical, 6 general repairs, 4 pests, 1 outside the building, 1 unsanitary conditions

Heat or hot waterApt 31A

Heat or hot waterApt 31A

Doors or windows, floors or stairs, paint or plaster, plumbingApt 41B

Heat or hot waterApt 41B

Doors or windows, electrical, plumbing, moldApt 22B

General repairsApt 43B

Safety, unsanitary conditions

Doors or windows, floors or stairs, general repairs, paint or plaster, plumbing, safety, mold, leaksApt 44A

Show 62 more

Floors or stairs, paint or plaster, leaksApt 21B

Appliances, doors or windows, general repairs, paint or plaster, plumbing, mold, pestsApt 21B

Heat or hot water

Heat or hot waterApt 42A

Heat or hot waterApt 53B

Heat or hot water

Floors or stairs, paint or plaster, plumbing, mold, leaksApt CC

Appliances, floors or stairs, general repairs, plumbingApt BB

Paint or plaster, plumbing, mold, leaksApt 42B

Electrical, floors or stairs, plumbingApt 32B

Doors or windows, paint or plaster, mold, leaksApt 32B

Paint or plaster, plumbingApt AA

Floors or stairs, outside the buildingApt 31A

General repairsApt 41B

Floors or stairs, plumbingApt 41B

Doors or windowsApt 41B

Paint or plasterApt 41B

Doors or windowsApt 41B

Doors or windows, paint or plaster, leaksApt 41B

Appliances, floors or stairs, paint or plaster, plumbing, moldApt CC

Electrical, floors or stairs, plumbingApt 55B

Safety

Appliances, doors or windows, floors or stairs, general repairs, paint or plaster, plumbing, safety, leaksApt 44A

Electrical, pests, leaksApt 55B

Appliances, doors or windows, moldApt CC

Appliances, floors or stairs, heat or hot water, paint or plaster, plumbing, leaksApt CC

Floors or stairsApt 31A

Doors or windowsApt 31A

LeaksApt 23A

Doors or windowsApt 1A

Doors or windows

Doors or windowsApt 43B

Mold, leaksApt 24B

Electrical, floors or stairs, paint or plaster, safety, mold, leaksApt 2A

MoldApt 43A

Floors or stairs, moldApt 31B

Appliances, doors or windows, electrical, floors or stairs, plumbing, mold, leaksApt CC

Doors or windows, paint or plaster, plumbing, leaksApt 41B

Floors or stairs, paint or plaster, plumbing, pestsApt 1A

2025 May

Floors or stairs, plumbingApt 1A

Electrical, floors or stairs, paint or plaster, plumbing, pestsApt 1A

Doors or windows, safety, moldApt 22A

Heat or hot waterApt 42A

Heat or hot water

Heat or hot water, paint or plasterApt 822

2024 Sep

Floors or stairs, general repairs, paint or plaster, leaksApt 4B

Paint or plaster, plumbing, mold, leaksApt 1A

Plumbing, pests, unsanitary conditionsApt 3A

Appliances, floors or stairs, paint or plaster, plumbing, leaksApt CC

LeaksApt 24B

2024 Mar

2024 Feb

PlumbingApt 53B

Electrical, general repairs, paint or plaster, plumbing, moldApt 3A

Electrical, general repairs, paint or plaster, plumbing, moldApt 3A

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

Everything else on record

Doors or windows, floors or stairs, paint or plasterApt 41B complaint

Doors or windowsApt 22B complaint

General repairsApt 43B complaint

Safety complaint

Doors or windows, floors or stairs, general repairs, paint or plaster, safetyApt 44A complaint

Floors or stairs, paint or plasterApt 21B complaint

Show 45 more

Appliances, doors or windows, general repairs, paint or plasterApt 21B complaint

Smoke or CO detectorsApt 54B class B · closed · HPD violation

Smoke or CO detectorsApt 54B class B · closed · HPD violation

Other conditionsApt 55B class B · closed · HPD violation

Floors or stairs, paint or plasterApt CC complaint

Appliances, floors or stairs, general repairsApt BB complaint

Paint or plasterApt 42B complaint

Floors or stairsApt 32B complaint

Doors or windows, paint or plasterApt 32B complaint

Paint or plasterApt AA complaint

Floors or stairs, outside the buildingApt 31A complaint

General repairsApt 41B complaint

Floors or stairsApt 41B complaint

Doors or windowsApt 41B complaint

Paint or plasterApt 41B complaint

Doors or windowsApt 41B complaint

Doors or windows, paint or plasterApt 41B complaint

Appliances, floors or stairs, paint or plasterApt CC complaint

Floors or stairsApt 55B complaint

Safety complaint

Appliances, doors or windows, floors or stairs, general repairs, paint or plaster, safetyApt 44A complaint

Appliances, doors or windowsApt CC complaint

Appliances, floors or stairs, paint or plasterApt CC complaint

Floors or stairsApt 31A complaint

Doors or windowsApt 31A complaint

Doors or windowsApt 1A complaint

Doors or windows complaint

Doors or windowsApt 43B complaint

Floors or stairs, paint or plaster, safetyApt 2A complaint

Floors or stairsApt 31B complaint

SafetyApt 4B complaint

AppliancesApt 4B complaint

Appliances, doors or windows, floors or stairsApt CC complaint

Doors or windows, paint or plasterApt 41B complaint

Floors or stairs, paint or plasterApt 1A complaint

2025 May

Floors or stairsApt 1A complaint

Floors or stairs, paint or plasterApt 1A complaint

Doors or windows, safetyApt 22A complaint

Paint or plasterApt 822 complaint

2024 Sep

Floors or stairs, general repairs, paint or plasterApt 4B complaint

2024 Aug

Paint or plaster complaint

Paint or plasterApt 1A complaint

2024 Mar

Appliances, floors or stairs, paint or plasterApt CC complaint

General repairs, paint or plasterApt 3A complaint