Building record from city data · BROOKLYN, NY

639 Union St

Printed 2026-10-21 from blueflo.tech/b/639-union-street-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 1931 · 4 stories · 8 apartments · BIN 3007211 · BBL 3004340054

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

639 UNION STREET, LLC, 639 UNION STREET LLC

Mold: 2 reports to the city since 2024
2024
2025
2026Mold · May 2026 · 1 report (1 complaint)May 29, 2026Mold · Jul 2026 · 1 report (1 complaint)Jul 16, 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 25Apt 1R 3Apt 2L 1Apt 3R 3

4 of this building’s 8 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 Jul
Fire safetyApt 1L class C · HPD violation
2024 Jul
Fire safety class A · HPD violation
2023 Jul
Fire safety class C · HPD violation
2023 Jun
Fire safety class B · HPD violation
2023 Jun
Fire safety class C · HPD violation
2019 Mar
Fire safetyApt 3R class B · HPD violation
Show 1 more
2019 Mar
Fire safetyApt 3R class B · HPD violation

Heat and hot water

2 complaints, 2024–2025
What has happened here
2025 Jan
Heat or hot waterApt 2L complaint
2024 Dec
Heat or hot waterApt 1R complaint
2011 Dec
Low Pressure Boiler never closed · DOB violation
2009 Jan
Local Law 62/91 - Boilers never closed · DOB violation
2007 Jan
Local Law 62/91 - Boilers never closed · DOB violation
2005 Jan
Local Law 62/91 - Boilers never closed · DOB violation
Show 4 more
2003 Mar
Local Law 62/91 - Boilers never closed · DOB violation
2002 Mar
Local Law 62/91 - Boilers never closed · DOB violation
2000 Feb
Local Law 62/91 - Boilers never closed · DOB violation
1999 Mar
Local Law 62/91 - Boilers never closed · DOB violation
Boiler inspection filings

Latest accepted inspection Jul 2026, defects reported: no

DOB NOW: Safety Boiler, as of 2026-10-19 · See the boiler filings at DOB →
What this counts

Accepted annual boiler inspection filings, any date

  • Heat sourceno recordNo boiler registration or district steam on record
  • Boiler work permitsno recordNo boiler work permits on record
  • Heat and hot water complaintsfound0 heat or hot water complaints

Water and pipes

2 complaints, 2024–2026 · 1 in the past year
What has happened here
2026 Jul
PlumbingApt 1L complaint
2024 Dec
LeaksApt 1R complaint
Water service line

Non-Lead (excavation)

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

Pests and cleanliness

3 complaints, 2025–2026 · 2 in the past year
What has happened here
2026 Jul
Mold, pestsApt 1L complaint
2026 May
Mold, pestsApt 1L complaint
2025 Jul
Unsanitary conditionsApt 1R complaint
2025 Jun
Pests class A · paperwork · closed · HPD violation
2023 Dec
Unsanitary conditions complaint

Electrical

2 complaints, 2026
What has happened here
2026 Jul
ElectricalApt 1L complaint
2026 May
ElectricalApt 1L complaint

Structure and facade

Issues on record, most recently 2024
What has happened here
2026 Jul
Doors and windowsApt 1L class C · closed · HPD violation
2024 Jul
Walls, floors and stairs class A · HPD violation
2023 Jun
Doors and windows class B · HPD violation
2023 Jun
Doors and windows class B · HPD violation
2022 May
Walls, floors and stairsApt 1L class A · HPD violation
2022 May
Walls, floors and stairsApt 1L class A · HPD violation
Show 20 more
2022 May
Walls, floors and stairsApt 1L class B · HPD violation
2022 May
Doors and windowsApt 1L class B · HPD violation
2022 May
Walls, floors and stairsApt 1L class A · HPD violation
2021 Apr
Construction class - 2 · DOB violation
2020 Jul
General construction permit
2019 Jul
Construction class - 2 · DOB violation
2019 May
Construction class - 1 · DOB violation
2019 Mar
Construction class - 1 · DOB violation
2019 Mar
Construction class - 2 · DOB violation
2016 Jun
Construction class - 1 · never closed · DOB violation
2006 Sep
Construction hazardous · never closed · DOB violation
2006 May
Construction hazardous · never closed · DOB violation
2006 May
Construction non-hazardous · never closed · DOB violation
2006 May
Construction non-hazardous · never closed · DOB violation
2005 Apr
Construction hazardous · never closed · DOB violation
2005 Apr
Construction hazardous · never closed · DOB violation
2004 Mar
Construction hazardous · never closed · DOB violation
2003 Jul
Construction hazardous · never closed · DOB violation
2003 Apr
Construction non-hazardous · never closed · DOB violation
2001 May
Construction non-hazardous · never closed · DOB violation
  • 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

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

BasementWhole tax lot

Below grade

PLUTO (tax lot data), as of 2026-08-24

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

General condition and all records

HPD violations

64 open: 64 about building conditions — doors and windows (16), fire safety (12), smoke or CO detectors (12), walls, floors and stairs (12); 4 immediately hazardous (class C). Also 11 older records from 2006–2016 never closed. 2 further violations from 2025–2026 were closed. 211 violations on record in all, 2006–2026 — the 77 most recent are listed here

2026 Jul
Smoke or CO detectorsApt 1L class B
2026 Jul
Smoke or CO detectorsApt 1L class B
2026 Jul
Fire safetyApt 1L class C
2026 Jul
Doors and windowsApt 1L class C · closed
2025 Jun
Pests class A · paperwork · closed
2024 Jul
Walls, floors and stairs class A
2024 Jul
Fire safety class A
2023 Nov
Other conditions class B
Show 19 more
2023 Jul
Other conditions class B
2023 Jul
Other conditions class B
2023 Jul
Fire safety class C
2023 Jun
Fire safety class B
2023 Jun
Doors and windows class B
2023 Jun
Fire safety class C
2023 Jun
Doors and windows class B
2023 Jun
Other conditions class B
2022 May
Walls, floors and stairsApt 1L class A
2022 May
Walls, floors and stairsApt 1L class A
2022 May
Other conditionsApt 1L class A
2022 May
Walls, floors and stairsApt 1L class B
2022 May
Doors and windowsApt 1L class B
2022 May
Smoke or CO detectorsApt 1L class B
2022 May
Walls, floors and stairsApt 1L class A
2022 May
Smoke or CO detectorsApt 1L class B
2019 Mar
Smoke or CO detectorsApt 3R class B
2019 Mar
Fire safetyApt 3R class B
2019 Mar
Fire safetyApt 3R class B
and 48 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

2 doors or windows, 2 electrical, 2 floors or stairs, 2 heat or hot water, 2 mold, 2 paint or plaster, 2 pests, 1 leaks, 1 plumbing, 1 unsanitary conditions

2026 Jul
Doors or windows, electrical, floors or stairs, paint or plaster, plumbing, mold, pestsApt 1L
2026 May
Doors or windows, electrical, floors or stairs, paint or plaster, mold, pestsApt 1L
2025 Jul
Unsanitary conditionsApt 1R
2025 Jan
Heat or hot waterApt 2L
2024 Dec
Heat or hot waterApt 1R
2024 Dec
LeaksApt 1R
2023 Dec
Unsanitary conditions
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

2 permits since 1990

2020 Jul
General construction permit
2013 Jan
Sign permit
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 Jul
Smoke or CO detectorsApt 1L class B · HPD violation
2026 Jul
Smoke or CO detectorsApt 1L class B · HPD violation
2026 Jul
Doors or windows, floors or stairs, paint or plasterApt 1L complaint
2026 May
Doors or windows, floors or stairs, paint or plasterApt 1L complaint
2023 Nov
Other conditions class B · HPD violation
2023 Jul
Other conditions class B · HPD violation
Show 8 more
2023 Jul
Other conditions class B · HPD violation
2023 Jun
Unknown class - 2 · DOB violation
2023 Jun
Other conditions class B · HPD violation
2022 May
Other conditionsApt 1L class A · HPD violation
2022 May
Smoke or CO detectorsApt 1L class B · HPD violation
2022 May
Smoke or CO detectorsApt 1L class B · HPD violation
2019 Mar
Smoke or CO detectorsApt 3R class B · HPD violation
2013 Jan
Sign permit

Nothing on record

Gasno record
  • Gas pipingno recordNo open gas piping filing violations. Inspection results themselves are not published
Energyno record
  • Energynot requiredNot required: energy reporting applies to buildings over 25,000 sq ft
ElevatorsNot applicable
  • Elevatorsnot requiredNo elevators registered to this building

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.