Building record from city data · BROOKLYN, NY

823 Nostrand Ave

Printed 2026-10-21 from blueflo.tech/b/823-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).

built 1912 · 4 stories · 10 apartments · BIN 3033234 · BBL 3012760006

Worth knowing
24 open immediately hazardous (class C) HPD violations about doors and windows and pests and walls, floors and stairs and fire safety and heat or hot water and lead-based paint
Source: Housing Maintenance Code Violations · as of 2026-10-19
Worth knowing
Clean in the records
Heat or hot water: 3 reports to the city since 2024
2024Heat or hot water · Dec 2024 · 1 report (1 complaint)Dec 15, 2024
2025
2026Heat or hot water · Feb 2026 · 1 report (3 complaints)Feb 15, 2026Feb 17, 2026Feb 17, 2026 (2nd)Heat or hot water · Mar 2026 · 1 report (1 complaint)Mar 23, 2026
Source: HPD Complaints and Problems · as of 2026-10-21

Apartments named in these records

4 of this building’s 10 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

Heat and hot water

Issues on record (2024) · 5 complaints, 2024–2026 · 4 in the past year
Boiler inspection filings

Latest accepted inspection Nov 2024, 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 and hot water complaints

4 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 work permitsno recordNo boiler work permits on record

Water and pipes

No issues on record
Water service line

Non-Lead (records)

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

Pests and cleanliness

Issues on record, most recently 2022

Fire and safety

Issues on record, most recently 2023

Electrical

1 complaint, 2025
What has happened here

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 (2025)

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

94 open: 80 about building conditions — walls, floors and stairs (25), doors and windows (19), pests (10), leaks (9); 24 immediately hazardous (class C), 14 about paperwork or notices. Also 34 older records from 1987–2014 never closed. 287 violations on record in all, 1983–2026 — the 128 most recent are listed here

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

5 heat or hot water, 1 electrical

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

1 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

Rent and tenancyNot on the state list
  • Rent stabilizationno recordNot on the state's 2024 list. Owners who register late or not at all are missing, so ask HCR about a specific apartment
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.