Building record from city data · BROOKLYN, NY

91 Ralph Ave

Printed 2026-10-21 from blueflo.tech/b/91-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).

built 1925 · 3 stories · 4 apartments · BIN 3039744 · BBL 3014850008

Worth knowing
5 hazardous (class 1) building code violations from 2017–2024 are still open
Source: DOB Violations · as of 2026-10-19
Worth knowing
Clean in the records
Registered with the city

91 Ralph LLC

Worth knowing
5 hazardous (class 1) building code violations from 2017–2024 are still open
Source: DOB Violations · as of 2026-10-19

Apartments named in these records

3 of this building’s 4 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.

Heat and hot water

Older records on file
  • 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
  • Heat and hot water complaintsfound0 heat or hot water complaints

Water and pipes

Older records on file
Water service line

Non-Lead (field inspection)

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

Pests and cleanliness

Older records on file

Electrical

Older records on file

Structure and facade

Issues on record, most recently 2024
What has happened here
2026 Jul
Construction fence permit
2024 Nov
Construction class - 1 · DOB violation
2024 Jun
Construction class - 1 · DOB violation
2024 Jun
Construction DOB violation
2024 May
Construction DOB violation
2024 Mar
Construction DOB violation
Show 29 more
2024 Mar
Construction DOB violation
2023 Nov
Construction DOB violation
2023 Nov
Construction DOB violation
2023 Sep
Construction DOB violation
2023 Jul
Construction fence permit, Alteration permit
2023 May
General construction permit
2019 Mar
Construction DOB violation
2018 Aug
Construction class - 2 · DOB violation
2018 Mar
Construction class - 2 · DOB violation
2018 Jan
Construction class - 2 · DOB violation
2018 Jan
Construction class - 2 · DOB violation
2018 Jan
Construction class - 2 · DOB violation
2017 Jun
Construction class - 2 · DOB violation
2017 Mar
Construction class - 1 · DOB violation
2017 Mar
Construction class - 1 · DOB violation
2017 Mar
Construction class - 1 · DOB violation
2016 Nov
Scaffold permit
2016 Aug
Scaffold permit
2015 Feb
Construction never closed · DOB violation
2013 Dec
Walls, floors and stairs class B · never closed · HPD violation
2013 Apr
Doors and windows class C · never closed · HPD violation
2013 Apr
Walls, floors and stairsApt 1B class B · never closed · HPD violation
2013 Apr
Walls, floors and stairsApt 1B class A · never closed · HPD violation
2013 Apr
Walls, floors and stairsApt 1B class A · never closed · HPD violation
2013 Mar
Walls, floors and stairsApt 1B class B · never closed · HPD violation
2013 Mar
Walls, floors and stairsApt 1B class B · never closed · HPD violation
2013 Mar
Walls, floors and stairsApt 1B class B · never closed · HPD violation
2013 Mar
Walls, floors and stairsApt 1B class B · never closed · HPD violation
2013 Mar
Walls, floors and stairsApt 1B class B · never closed · HPD violation
  • Facade ratingnot requiredNot required: facade inspections apply only to buildings taller than 6 stories
  • Sidewalk shed and scaffoldingfoundNo active shed permit; permits since Jul 2023, last expired Jan 2024
  • Landmark statusno recordNot in a historic district on record

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

  • BasementfoundNo basement

Gas

Gas piping

Open violation for not filing the periodic gas piping inspection (2026)

DOB Safety Violations, as of 2026-10-19
What this counts

Paperwork violation: the filing is missing, which is not a finding about the pipes

General condition and all records

HPD violations

1 open: 1 about paperwork or notices. Also 30 older records from 2012–2014 never closed. 4 further violations from 2023–2025 were closed. 55 violations on record in all, 2012–2026 — the 35 most recent are listed here

2026 May
Pests class A · paperwork
2025 Jun
Pests class A · paperwork · closed
2024 Nov
Other conditions class I · paperwork · closed
2024 Apr
Pests class A · paperwork · closed
2023 Nov
Other conditions class I · paperwork · closed
2014 Jul
Electrical class B · never closed
2013 Dec
Smoke or CO detectorsApt 2F class B · never closed
2013 Dec
Smoke or CO detectorsApt 2F class B · never closed
Show 21 more
2013 Dec
Heat or hot water class C · never closed
2013 Dec
Heat or hot waterApt 2F class C · never closed
2013 Dec
Heat or hot water class C · never closed
2013 Dec
Smoke or CO detectorsApt 2F class B · never closed
2013 Dec
Smoke or CO detectorsApt 2F class B · never closed
2013 Dec
Heat or hot waterApt 2F class C · never closed
2013 Dec
Walls, floors and stairs class B · never closed
2013 Apr
Doors and windows class C · never closed
2013 Apr
Walls, floors and stairsApt 1B class B · never closed
2013 Apr
LeaksApt 1B class A · never closed
2013 Apr
PestsApt 1B class B · never closed
2013 Apr
Walls, floors and stairsApt 1B class A · never closed
2013 Apr
Walls, floors and stairsApt 1B class A · never closed
2013 Mar
Walls, floors and stairsApt 1B class B · never closed
2013 Mar
Walls, floors and stairsApt 1B class B · never closed
2013 Mar
Walls, floors and stairsApt 1B class B · never closed
2013 Mar
PestsApt 1B class B · never closed
2013 Mar
Walls, floors and stairsApt 1B class B · never closed
2013 Mar
Walls, floors and stairsApt 1B class B · never closed
2012 Dec
LeaksApt 2F class B · never closed
2012 Dec
Smoke or CO detectorsApt 1F class B · never closed
and 2 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

Permit history

13 permits since 1990

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

  • Resident complaints to the cityfoundno complaints

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

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