Building record from city data · BROOKLYN, NY

536 Ralph Ave

Printed 2026-10-21 from blueflo.tech/b/536-ralph-avenue-brooklyn, where it is kept current. These are city records, not an inspection by Blueflo. Every item shows its source and the date it was last checked. Not a warranty. May not be used for tenant screening (terms of use).

Also known as 1691 Sterling Pl — one building, several doors.

built 1905 · 3 stories · 5 apartments · BIN 3036646 · BBL 3013750051

Worth knowing
22 open immediately hazardous (class C) HPD violations about pests and heat or hot water and fire safety
Source: Housing Maintenance Code Violations · as of 2026-10-19
Worth knowing
Clean in the records
Registered with the city

RALPH BROOK LLC

Pests: 14 reports to the city since 2024
2024Pests · Mar 2024 · 2 reports (3 complaints)Mar 11, 2024Mar 26, 2024Mar 31, 2024Pests · May 2024 · 2 reports (2 complaints)May 20, 2024May 29, 2024Pests · Jun 2024 · 2 reports (2 complaints)Jun 6, 2024Jun 18, 2024Pests · Jul 2024 · 1 report (1 complaint)Jul 24, 2024Pests · Oct 2024 · 1 report (1 complaint)Oct 4, 2024Pests · Nov 2024 · 2 reports (2 complaints)Nov 4, 2024Nov 19, 2024Pests · Dec 2024 · 1 report (1 complaint)Dec 7, 2024
2025Pests · Apr 2025 · 2 reports (2 complaints)Apr 1, 2025Apr 12, 2025
2026Pests · May 2026 · 1 report (2 complaints)May 17, 2026May 20, 2026
Source: HPD Complaints and Problems · as of 2026-10-21

Also reported

2024 – 2026

A filled month had a report to HPD; darker means more than one, and the past year is brightest. Tap one to read it. Complaints within a week count as one report. Records list complaints filed, not conditions found.

Apartments named in these records

Apt 1L 8Apt 2L 69Apt 2R 32Apt 3L 7Apt 3R 7

5 of this building’s 5 apartments are named in a city record. The rest have no record naming them, which is the usual case.

These are city records about an apartment, not about anyone who lives or lived there. They may not be used to screen a tenant.

Fire and safety

Issues on record
What has happened here
2026 Aug
Fire safetyApt 1L class B · HPD violation
2026 Jul
Fire safety class C · HPD violation
2026 Mar
Fire safety class B · closed · HPD violation
2026 Jan
Fire safetyApt 2L class B · closed · HPD violation
2025 Dec
Fire safety class C · closed · HPD violation
2025 Dec
Fire safety class C · closed · HPD violation
Show 5 more
2025 Oct
Fire safety class C · closed · HPD violation
2025 Sep
Fire safety class C · closed · HPD violation
2025 Jul
Fire safety class C · closed · HPD violation
2025 Jul
Fire safety class C · closed · HPD violation
2023 Dec
Fire safetyApt 2L class C · HPD violation

Structure and facade

Issues on record
What has happened here
2026 Sep
Doors and windowsApt 2R class B · HPD violation
2026 Aug
Walls, floors and stairsApt 3L class B · HPD violation
2026 Aug
Walls, floors and stairsApt 3L class B · HPD violation
2025 Sep
Doors and windows class B · closed · HPD violation
2025 Sep
Walls, floors and stairs class A · paperwork · closed · HPD violation
2008 May
General construction permit
Show 1 more
2007 Oct
Construction fence permit, Alteration 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 · 16 complaints, 2024–2026 · 6 in the past year
What has happened here
2026 Aug
Heat or hot waterApt 3L class C · HPD violation
2026 Aug
Heat or hot waterApt 3R class C · HPD violation
2026 Jul
Heat or hot water class C · HPD violation
2026 Feb
Heat or hot waterApt 2L complaint
2026 Jan
Heat or hot waterApt 2L complaint
2026 Jan
Heat or hot waterApt 2L class C · closed · HPD violation
Show 23 more
2025 Dec
Heat or hot waterApt 2L complaint
2025 Dec
Heat or hot waterApt 2L complaint
2025 Dec
Heat or hot waterApt 2L class C · closed · HPD violation
2025 Dec
Heat or hot waterApt 2L complaint
2025 Nov
Heat or hot waterApt 2L complaint
2025 Sep
Heat or hot water class C · paperwork · closed · HPD violation
2025 Apr
Heat or hot waterApt 2L complaint
2025 Apr
Heat or hot waterApt 3R class C · HPD violation
2025 Apr
Heat or hot waterApt 2L complaint
2025 Apr
Heat or hot waterApt 2L complaint
2025 Apr
Heat or hot waterApt 3R class C · HPD violation
2025 Feb
Heat or hot waterApt 2L complaint
2024 Dec
Heat or hot waterApt 2L complaint
2024 Dec
Heat or hot waterApt 2L complaint
2024 Dec
Heat or hot water complaint
2024 Dec
Heat or hot water complaint
2024 Dec
Heat or hot waterApt 2R complaint
2024 Dec
Heat or hot waterApt 2L complaint
2024 Mar
Heat or hot waterApt 1L complaint
2024 Feb
Heat or hot waterApt 2R complaint
2024 Feb
Heat or hot waterApt 1L complaint
2023 Nov
Heat or hot waterApt 2L complaint
2023 Nov
Heat or hot waterApt 2L complaint
Heat and hot water complaints

6 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)

  • Heat sourceno recordNo boiler registration or district steam on record
  • Boiler inspection filingsnot requiredNot required: residential buildings with 6 or fewer units are exempt from annual filings
  • Boiler work permitsno recordNo boiler work permits on record

Water and pipes

Issues on record · 3 complaints, 2025–2026 · 1 in the past year
What has happened here
2026 Oct
LeaksApt 2R complaint
2026 Aug
LeaksApt 3L class B · HPD violation
2026 Aug
LeaksApt 3L class B · HPD violation
2025 Apr
LeaksApt 2L complaint
2025 Apr
LeaksApt 3R complaint
2024 Jul
LeaksApt 2L complaint
Show 10 more
2024 May
LeaksApt 2R complaint
2024 Apr
PlumbingApt 2R complaint
2024 Mar
LeaksApt 1L complaint
2024 Mar
Plumbing, leaksApt 2L complaint
2024 Mar
LeaksApt 2L complaint
2024 Feb
LeaksApt 2R complaint
2024 Feb
PlumbingApt 2R complaint
2024 Jan
PlumbingApt 2R complaint
2023 Nov
LeaksApt 1L complaint
2009 Oct
Plumbing permit
Water service line

Unknown - Lead Status Unknown (records)

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

Pests and cleanliness

Issues on record · 10 complaints, 2024–2026 · 2 in the past year
What has happened here
2026 Sep
PestsApt 2R class C · HPD violation
2026 Aug
PestsApt 3L class C · HPD violation
2026 Aug
PestsApt 3L class C · HPD violation
2026 May
PestsApt 2R complaint
2026 May
PestsApt 2R complaint
2026 Jan
MoldApt 2L class B · HPD violation
Show 33 more
2026 Jan
MoldApt 2L class A · closed · HPD violation
2026 Jan
PestsApt 2L class C · closed · HPD violation
2026 Jan
PestsApt 2L class C · closed · HPD violation
2025 Nov
PestsApt 2L class C · closed · HPD violation
2025 Nov
PestsApt 2L class C · closed · HPD violation
2025 Jul
Unsanitary conditionsApt 2L complaint
2025 May
Unsanitary conditionsApt 2L complaint
2025 Apr
PestsApt 2L complaint
2025 Apr
PestsApt 3R complaint
2024 Dec
PestsApt 2R complaint
2024 Nov
Unsanitary conditions complaint
2024 Nov
PestsApt 3R complaint
2024 Nov
PestsApt 2R complaint
2024 Oct
PestsApt 2L class C · HPD violation
2024 Oct
PestsApt 2L class C · HPD violation
2024 Oct
PestsApt 2L complaint
2024 Aug
PestsApt 2L class C · HPD violation
2024 Aug
PestsApt 2L class C · HPD violation
2024 Jul
PestsApt 2R complaint
2024 Jun
PestsApt 2L complaint
2024 Jun
PestsApt 2L complaint
2024 May
PestsApt 2L complaint
2024 May
PestsApt 2R complaint
2024 Apr
MoldApt 2R complaint
2024 Apr
MoldApt 2L class B · HPD violation
2024 Apr
PestsApt 1L class C · HPD violation
2024 Apr
PestsApt 2L class C · HPD violation
2024 Apr
PestsApt 2L class C · HPD violation
2024 Mar
Mold, pestsApt 1L complaint
2024 Mar
Mold, pestsApt 2L complaint
2024 Mar
Mold, pestsApt 2L complaint
2024 Feb
Unsanitary conditionsApt 2L complaint
2023 Oct
Mold, pestsApt 2L complaint

Electrical

3 complaints, 2025–2026 · 2 in the past year
What has happened here
2026 Sep
ElectricalApt 2R complaint
2026 Sep
ElectricalApt 2R complaint
2025 Feb
ElectricalApt 2L complaint
2024 Jun
ElectricalApt 2L 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 2026-10-20
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

  • Basementno recordUnknown

Gas

What has happened here
2026 Jan
GasApt 2L class B · closed · HPD violation
  • Gas pipingno recordNo open gas piping filing violations. Inspection results themselves are not published

General condition and all records

HPD violations

31 open: 31 about building conditions — pests (14), heat or hot water (6), fire safety (3), mold (3); 22 immediately hazardous (class C). 25 further violations from 2025–2026 were closed. 134 violations on record in all, 2014–2026 — the 109 most recent are listed here

2026 Sep
PestsApt 2R class C
2026 Sep
Doors and windowsApt 2R class B
2026 Aug
Fire safetyApt 1L class B
2026 Aug
Walls, floors and stairsApt 3L class B
2026 Aug
LeaksApt 3L class B
2026 Aug
PestsApt 3L class C
2026 Aug
PestsApt 3L class C
2026 Aug
Walls, floors and stairsApt 3L class B
Show 42 more
2026 Aug
LeaksApt 3L class B
2026 Aug
Heat or hot waterApt 3L class C
2026 Aug
Heat or hot waterApt 3R class C
2026 Jul
Fire safety class C
2026 Jul
Heat or hot water class C
2026 Mar
Fire safety class B · closed
2026 Jan
MoldApt 2L class B
2026 Jan
MoldApt 2L class A · closed
2026 Jan
GasApt 2L class B · closed
2026 Jan
Heat or hot waterApt 2L class C · closed
2026 Jan
Smoke or CO detectorsApt 2L class B · closed
2026 Jan
Smoke or CO detectorsApt 2L class B · closed
2026 Jan
PestsApt 2L class C · closed
2026 Jan
PestsApt 2L class C · closed
2026 Jan
Fire safetyApt 2L class B · closed
2025 Dec
Fire safety class C · closed
2025 Dec
Fire safety class C · closed
2025 Dec
Heat or hot waterApt 2L class C · closed
2025 Nov
PestsApt 2L class C · closed
2025 Nov
PestsApt 2L class C · closed
2025 Nov
Smoke or CO detectorsApt 2L class B · closed
2025 Nov
Smoke or CO detectorsApt 2L class B · closed
2025 Oct
Fire safety class C · closed
2025 Sep
Smoke or CO detectorsApt 2L class B · closed
2025 Sep
Smoke or CO detectorsApt 2L class B · closed
2025 Sep
Doors and windows class B · closed
2025 Sep
Fire safety class C · closed
2025 Sep
Heat or hot water class C · paperwork · closed
2025 Sep
Walls, floors and stairs class A · paperwork · closed
2025 Jul
Fire safety class C · closed
2025 Jul
Fire safety class C · closed
2025 Apr
Heat or hot waterApt 3R class C
2025 Apr
Heat or hot waterApt 3R class C
2024 Oct
PestsApt 2L class C
2024 Oct
PestsApt 2L class C
2024 Aug
PestsApt 2L class C
2024 Aug
PestsApt 2L class C
2024 Apr
MoldApt 2L class B
2024 Apr
PestsApt 1L class C
2024 Apr
PestsApt 2L class C
2024 Apr
PestsApt 2L class C
2023 Dec
Fire safetyApt 2L class C
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

16 heat or hot water, 10 doors or windows, 7 pests, 5 leaks, 3 electrical, 3 unsanitary conditions, 2 general repairs, 1 paint or plaster

2026 Oct
Doors or windows, leaksApt 2R
2026 Sep
Doors or windows, electricalApt 2R
2026 Sep
ElectricalApt 2R
2026 Sep
Doors or windowsApt 2R
2026 May
PestsApt 2R
2026 May
PestsApt 2R
2026 Feb
Heat or hot waterApt 2L
2026 Jan
Heat or hot waterApt 2L
Show 54 more
2025 Dec
Heat or hot waterApt 2L
2025 Dec
Heat or hot waterApt 2L
2025 Dec
Heat or hot waterApt 2L
2025 Nov
Heat or hot waterApt 2L
2025 Sep
Doors or windows, general repairs
2025 Jul
Unsanitary conditionsApt 2L
2025 May
Unsanitary conditionsApt 2L
2025 Apr
LeaksApt 2L
2025 Apr
Heat or hot waterApt 2L
2025 Apr
Heat or hot waterApt 2L
2025 Apr
Doors or windows, heat or hot water, pestsApt 2L
2025 Apr
Paint or plasterApt 3R
2025 Apr
LeaksApt 3R
2025 Apr
PestsApt 3R
2025 Feb
Heat or hot waterApt 2L
2025 Feb
ElectricalApt 2L
2024 Dec
Heat or hot waterApt 2L
2024 Dec
Heat or hot waterApt 2L
2024 Dec
Heat or hot water
2024 Dec
Doors or windows, pestsApt 2R
2024 Dec
Heat or hot water
2024 Dec
Heat or hot waterApt 2R
2024 Dec
Heat or hot waterApt 2L
2024 Nov
Doors or windows, unsanitary conditions
2024 Nov
PestsApt 3R
2024 Nov
General repairs, pestsApt 2R
2024 Oct
Doors or windowsApt 2L
2024 Oct
PestsApt 2L
2024 Jul
LeaksApt 2L
2024 Jul
PestsApt 2R
2024 Jun
PestsApt 2L
2024 Jun
PestsApt 2L
2024 Jun
ElectricalApt 2L
2024 May
PestsApt 2L
2024 May
PestsApt 2R
2024 May
LeaksApt 2R
2024 May
Doors or windowsApt 2R
2024 Apr
Doors or windowsApt 2R
2024 Apr
Plumbing, moldApt 2R
2024 Mar
Heat or hot water, mold, pests, leaksApt 1L
2024 Mar
Appliances, plumbing, mold, pests, leaksApt 2L
2024 Mar
Floors or stairs, mold, pests, leaksApt 2L
2024 Feb
Unsanitary conditionsApt 2L
2024 Feb
LeaksApt 2R
2024 Feb
Doors or windowsApt 2L
2024 Feb
Doors or windows, heat or hot water, plumbingApt 2R
2024 Feb
Doors or windowsApt 2L
2024 Feb
Heat or hot waterApt 1L
2024 Jan
PlumbingApt 2R
2024 Jan
Doors or windowsApt 2R
2023 Nov
Heat or hot waterApt 2L
2023 Nov
Heat or hot waterApt 2L
2023 Nov
LeaksApt 1L
2023 Oct
Mold, pestsApt 2L
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

4 permits since 1990

2009 Oct
Plumbing permit, Construction fence permit, Alteration permit
2008 May
General construction permit
and 2 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
2026 Oct
Doors or windowsApt 2R complaint
2026 Sep
Doors or windowsApt 2R complaint
2026 Sep
Doors or windowsApt 2R complaint
2026 Jan
Smoke or CO detectorsApt 2L class B · closed · HPD violation
2026 Jan
Smoke or CO detectorsApt 2L class B · closed · HPD violation
2025 Nov
Smoke or CO detectorsApt 2L class B · closed · HPD violation
Show 18 more
2025 Nov
Smoke or CO detectorsApt 2L class B · closed · HPD violation
2025 Sep
Smoke or CO detectorsApt 2L class B · closed · HPD violation
2025 Sep
Smoke or CO detectorsApt 2L class B · closed · HPD violation
2025 Sep
Doors or windows, general repairs complaint
2025 Apr
Doors or windowsApt 2L complaint
2025 Apr
Paint or plasterApt 3R complaint
2024 Dec
Doors or windowsApt 2R complaint
2024 Nov
Doors or windows complaint
2024 Nov
General repairsApt 2R complaint
2024 Oct
Doors or windowsApt 2L complaint
2024 May
Doors or windowsApt 2R complaint
2024 Apr
Doors or windowsApt 2R complaint
2024 Mar
AppliancesApt 2L complaint
2024 Mar
Floors or stairsApt 2L complaint
2024 Feb
Doors or windowsApt 2L complaint
2024 Feb
Doors or windowsApt 2R complaint
2024 Feb
Doors or windowsApt 2L complaint
2024 Jan
Doors or windowsApt 2R complaint
  • DOB violationsfound0 open

Nothing on record

Energyno record
  • Energynot requiredNot required: energy reporting applies to buildings over 25,000 sq ft
ElevatorsNot applicable
  • Elevatorsnot requiredNo elevators registered to this building
Rent and tenancyNot applicable
  • Rent stabilizationnot requiredNot on the state's list. Rent stabilization generally applies to buildings with 6 or more apartments

Sources

23 datasets

FEMA

NYC DCP

NYC DEP

NYC DEP / Mayor's Office

NYC DOB

NYC DOB / Mayor's Office

NYC HPD

NYC OTI

NYC Rent Guidelines Board / NYS HCR

Each date is when we last checked that dataset, not when the record itself was created.