Building record from city data · BROOKLYN, NY

423 Atlantic Ave

Printed 2026-10-21 from blueflo.tech/b/423-atlantic-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 1900 · 6 stories · 58 apartments · BIN 3000724 · BBL 3001780054

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

DOUGLAS ELLIMAN PROPERTY MANAGEMENT, 423-443 TENANTS CORP, 423 443 TENANTS CORP

Worth knowing
1 open immediately hazardous (class C) HPD violation about heat or hot water
Source: Housing Maintenance Code Violations · as of 2026-10-19

Apartments named in these records

1 of this building’s 58 apartments is 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
Sidewalk shed and scaffolding

Shed permit active now

DOB NOW: Build – Approved Permits, as of 2026-10-19 · See the shed permits at DOB →
What this counts

Sidewalk shed permits (DOB NOW and BIS). Permitted since a date means permitted, not necessarily up continuously

  • Facade ratingnot requiredNot required: facade inspections apply only to buildings taller than 6 stories
  • Landmark statusno recordNot in a historic district on record

Heat and hot water

Issues on record · 2 complaints, 2026
Heat source

Boiler burning natural gas (Federal FST-150), registration current since Jun 2025

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 Apr 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

Boiler work permits

Latest boiler work permit 2012

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

No issues on record
Water service line

Non-Lead (records)

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

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

Elevators

Older records on file

Energy

Energy

ENERGY STAR score 92 (2024 report)

Energy and Water Data Disclosure (Local Law 84), as of 2025-11-25
What this counts

Letter grades are issued by the city under Local Law 33 and posted near the building entrance; Blueflo shows the reported score only

General condition and all records

HPD violations

1 open: 1 about building conditions — heat or hot water (1); 1 immediately hazardous (class C). 2 violations on record in all, 2015–2026 — the 1 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

2 heat or hot water

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

96 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
Gasno record
  • Gas pipingno recordNo open gas piping filing violations. Inspection results themselves are not published

Sources

23 datasets

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