509 Cathedral Pkwy

2025 Oct

2024 Oct

2024 Oct

Show 12 more

Elevators class - 1 · DOB violation

2023 Aug

2023 Aug

2023 Aug

Elevators class - 1 · DOB violation

2022 Jul

Elevators

2 active elevators; latest periodic inspection Mar 2026

DOB NOW Elevator Safety Compliance, as of 2026-10-18 · 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 95 (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

56 open: 56 about building conditions — walls, floors and stairs (20), leaks (19), mold (5), other conditions (5); 4 immediately hazardous (class C). Also 2 older records from 2009 never closed. 17 further violations from 2024–2026 were closed. 738 violations on record in all, 2004–2026 — the 75 most recent are listed here

Other conditions class A

Smoke or CO detectors class A

Pests class A · paperwork · closed

LeaksApt 12D class B

Other conditionsApt 12D class C

Show 34 more

Other conditions class A

Walls, floors and stairsApt 12D class A

PlumbingApt 12D class B

PlumbingApt 12D class A

Walls, floors and stairsApt 12D class A

LeaksApt 12D class B

Other conditionsApt 12D class A

Heat or hot water class C

MoldApt 12D class B

2026 Feb

2026 Feb

Heat or hot waterApt 5G class C

2025 Nov

Other conditions class I · paperwork · closed

MoldApt 5G class B

Walls, floors and stairsApt 5G class B

Walls, floors and stairsApt 5G class B

MoldApt 5G class A · closed

Walls, floors and stairsApt 4H class A

2024 May

LeaksApt 4H class B

2024 May

Walls, floors and stairsApt 12H class B

Fire safetyApt 12G class C · closed

Other conditionsApt 12G class C · closed

MoldApt 12G class A · closed

Fire safetyApt 3E class C · closed

Outside the buildingApt 12D

and 16 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

23 open: 4 about building conditions, 18 about filings or paperwork, 1 older than 10 years

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

12 heat or hot water, 5 plumbing, 3 leaks, 3 mold, 3 paint or plaster, 2 electrical, 2 general repairs, 1 floors or stairs, 1 outside the building, 1 pests

Electrical, general repairs, paint or plaster, plumbing, mold, leaksApt 12D

Electrical, general repairs, paint or plaster, plumbing, leaksApt 12D

Paint or plaster, plumbing, moldApt 12D

2026 Jan

Show 22 more

2026 Jan

Floors or stairs, heat or hot waterApt 12B

2026 Jan

Heat or hot waterApt 12D

2025 Dec

Heat or hot waterApt 4H

2025 Dec

2025 Apr

2025 Feb

2025 Jan

PlumbingApt 5G

2024 Oct

Heat or hot waterApt 7D

2024 May

LeaksApt 4H

Doors or windows, paint or plaster, mold, leaksApt 12G

Paint or plasterApt 4H

2024 Mar

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

59 permits since 1990

Suspended scaffold permit

2025 Jul

2023 Feb

Plumbing permit

2023 Feb

2023 Jan

2020 Nov

2020 Jan

Plumbing permit

2019 Nov

Plumbing permit, General construction permit

Show 1 more

2019 Jan

and 50 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

Other conditions class A · HPD violation

Smoke or CO detectors class A · HPD violation

Other conditionsApt 12D class C · HPD violation

Local Law class - 2 · DOB violation

Suspended scaffold permit

Outside the buildingApt 12D complaint

Show 12 more

General repairs, paint or plasterApt 12D complaint

General repairs, paint or plasterApt 12D complaint

Other conditions class A · HPD violation

Other conditionsApt 12D class A · HPD violation

Paint or plasterApt 12D complaint

2025 Dec

Floors or stairsApt 12B complaint

2025 Nov

Other conditions class I · paperwork · closed · HPD violation

Paint or plasterApt 4H complaint

Other conditionsApt 12G class C · closed · HPD violation

2024 Mar

Doors or windows, paint or plasterApt 12G complaint

Line of travelApt 3E complaint