Building record from city data · BROOKLYN, NY

671 Nostrand Ave

Printed 2026-10-21 from blueflo.tech/b/671-nostrand-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 673 Nostrand Ave, 675 Nostrand Ave, 677 Nostrand Ave, 679 Nostrand Ave, 808 Prospect Pl — one building, several doors.

built 1901 · 4 stories · 18 apartments · BIN 3031229 · BBL 3012340005

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

DS BROOKLYN PORTFOLIO OWNER LLC

Heat or hot water: 6 reports to the city since 2024
2024Heat or hot water · Oct 2024 · 2 reports (6 complaints)Oct 15, 2024Oct 16, 2024Oct 18, 2024Oct 27, 2024Oct 31, 2024Nov 2, 2024Heat or hot water · Nov 2024 · 1 report (1 complaint)Nov 10, 2024
2025Heat or hot water · Aug 2025 · 1 report (2 complaints)Aug 20, 2025Aug 20, 2025 (2nd)Heat or hot water · Dec 2025 · 1 report (1 complaint)Dec 10, 2025
2026Heat or hot water · Aug 2026 · 1 report (3 complaints)Aug 24, 2026Aug 26, 2026Aug 28, 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

7 of this building’s 18 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.

Structure and facade

Issues on record

Flooding

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: Nuisance flooding (4 in. to 1 ft); 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

Heat and hot water

Issues on record · 10 complaints, 2024–2026 · 4 in the past year
Heat source

Boiler burning natural gas (Weil Mclain LGB-9), registration expired since Jul 2020

Clean Air Tracking System (boiler registrations), as of 2026-10-20 · See this building's boiler registrations on NYC Open Data →
Boiler inspection filings

Latest accepted inspection Mar 2025, 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

Boiler work permits

Latest boiler work permit 2020 (2 on record)

DOB Permit Issuance (BIS), as of 2026-10-19
What this counts

DOB boiler permits (BIS and DOB NOW); a permit dates work, not the boiler's age

Heat and hot water complaints

2 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)

Water and pipes

1 complaint, 2026

Pests and cleanliness

Issues on record, most recently 2024

Fire and safety

Older records on file

Electrical

1 complaint, 2026

Rent and tenancy

On the state list
Rent stabilizationWhole tax lot

On the state's list of buildings with at least one rent-stabilized apartment (2024 registrations); listed for this tax lot (1 addresses), not under this building's address

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

13 open: 13 about building conditions — heat or hot water (4), pests (3), doors and windows (1), fire safety (1); 8 immediately hazardous (class C). Also 2 older records from 2011 never closed. 25 further violations from 2024–2026 were closed. 246 violations on record in all, 1996–2026 — the 40 most recent are listed here

2026 Aug
Heat or hot waterApt 15 class C
2026 Aug
Heat or hot water class C
2026 Aug
Heat or hot waterApt 15 class C · closed
2026 Aug
Heat or hot water class C
2026 Aug
Heat or hot waterApt 3C class C
2026 Jun
Doors and windows class B
2026 Jun
Other conditions class B
2025 Dec
Walls, floors and stairs class C · closed
Show 32 more
2025 Aug
Walls, floors and stairs class C · closed
2025 Aug
Walls, floors and stairs class B · closed
2025 Aug
Walls, floors and stairs class C · closed
2024 Oct
Fire safety class B · closed
2024 Oct
Other conditions class B · closed
2024 Oct
Fire safety class B · closed
2024 Oct
Fire safety class B · closed
2024 Sep
Fire safetyApt 16 class C · closed
2024 Sep
Walls, floors and stairsApt 16 class A · closed
2024 Sep
Doors and windowsApt 16 class B · closed
2024 Jun
Walls, floors and stairsApt 11 class A · closed
2024 Jun
Walls, floors and stairsApt 11 class A · closed
2024 Jun
LeaksApt 11 class B · closed
2024 Jun
MoldApt 11 class B
2024 Jun
Other conditionsApt 11 class B · closed
2024 Jun
Walls, floors and stairsApt 11 class B · closed
2024 Jun
Walls, floors and stairsApt 11 class B · closed
2024 Jun
ElectricalApt 11 class B · closed
2024 Jun
Heat or hot waterApt 11 class A · closed
2024 Jun
Walls, floors and stairsApt 11 class B · closed
2024 Jun
MoldApt 11 class A · closed
2024 Jun
Walls, floors and stairsApt 11 class B · closed
2024 Jun
LeaksApt 11 class B · closed
2024 Jan
Walls, floors and stairsApt 11 class B · closed
2023 Sep
Pests class C
2020 Feb
PestsApt 11 class C
2019 Oct
PestsApt 16 class C
2019 Apr
Structure and facade class I
2019 Feb
Fire safety class C
2019 Feb
Plumbing class B
2011 Jul
Lead-based paintApt 2B class C · never closed
2011 Jul
Lead-based paintApt 2B class C · never closed
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

1 open: 1 about filings or paperwork

DOB Violations, as of 2026-10-19 · 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

Permit history

15 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

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

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