# 423 50 St, Brooklyn What New York City's public records say about this building. Page: https://blueflo.tech/b/423-50-street-brooklyn > These are city records, not an inspection by Blueflo. Every item shows its source and the date it was last checked. ## In one line 17 open immediately hazardous (class C) HPD violations about pests and walls, floors and stairs and fire safety and doors and windows and leaks and mold (Housing Maintenance Code Violations, as of 2026-10-19) ## The building - **Year built:** 1903 (PLUTO (tax lot data), as of 2026-08-24) - **Stories:** 2 (Buildings Subject to HPD Jurisdiction, as of 2026-08-12) - **Homes:** 3 (Buildings Subject to HPD Jurisdiction, as of 2026-08-12) ## Worth knowing - 17 open immediately hazardous (class C) HPD violations about pests and walls, floors and stairs and fire safety and doors and windows and leaks and mold - 1 hazardous (class 1) building code violation from 2024 is still open - 2 open major (class 2) building code violations from 2025 - 73 open HPD violations about building conditions ## Also on record - In the Sunset Park 50th Street Historic District: exterior changes need Landmarks Commission approval ## Clean in the records - Water service line on record as non-lead (records) (Lead Service Line Location Coordinates, as of 2026-01-30) - Outside FEMA's 1% annual-chance flood zone; no mapped stormwater flooding (FEMA National Flood Hazard Layer, as of 2026-10-20) ## Building systems - **Boiler inspection filings:** Not required: residential buildings with 6 or fewer units are exempt from annual filings (DOB NOW: Safety Boiler, as of 2026-10-19) - **Facade rating:** Not required: facade inspections apply only to buildings taller than 6 stories (DOB NOW: Safety – Facades Compliance Filings, as of 2026-10-19) - **Water service line:** Non-Lead (records) (Lead Service Line Location Coordinates, as of 2026-01-30) - **FEMA flood zone:** Outside FEMA's 1% annual-chance flood zone: X (FEMA National Flood Hazard Layer, as of 2026-10-20) - **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) - **Basement:** Above grade (PLUTO (tax lot data), as of 2026-08-24) ## Violations and complaints - **HPD violations:** 73 open: 73 about building conditions — walls, floors and stairs (19), pests (16), leaks (11), doors and windows (5); 17 immediately hazardous (class C). Also 5 older records from 2007–2010 never closed. 89 violations on record in all, 2007–2024 — the 78 most recent are listed here (Housing Maintenance Code Violations, as of 2026-10-19) - **DOB violations:** 7 open: 5 about building conditions, 2 about filings or paperwork (DOB Violations, as of 2026-10-19) - **Heat and hot water complaints:** 1 heat or hot water complaint (Housing Maintenance Code Complaints and Problems, as of 2026-10-20) - **Resident complaints to the city:** 1 heat or hot water (Housing Maintenance Code Complaints and Problems, as of 2026-10-20) ## More systems - **Rent stabilization:** Not on the state's list. Rent stabilization generally applies to buildings with 6 or more apartments (Rent Stabilized Building Lists (2024 HCR registrations), as of 2025-11-30) - **Heat source:** No boiler registration or district steam on record (Clean Air Tracking System (boiler registrations), as of 2026-10-20) - **Boiler work permits:** No boiler work permits on record (DOB Permit Issuance (BIS), as of 2026-10-19) - **Elevators:** No elevators registered to this building (DOB NOW Elevator Safety Compliance, as of 2026-10-19) - **Gas piping:** Open violation for not filing the periodic gas piping inspection (2025) (DOB Safety Violations, as of 2026-10-19) - **Energy:** Not required: energy reporting applies to buildings over 25,000 sq ft (Energy and Water Data Disclosure (Local Law 84), as of 2025-11-25) ## Permits and work - **Permit history:** 2 permits since 1990 (DOB NOW: Build – Approved Permits, as of 2026-10-19) - **Sidewalk shed and scaffolding:** No sidewalk shed permits on record (DOB NOW: Build – Approved Permits, as of 2026-10-19) - **Landmark status:** In the Sunset Park 50th Street Historic District (PLUTO (tax lot data), as of 2026-08-24) ## By apartment 1 of 3 apartments named in a city record: - Apt 1: https://blueflo.tech/b/423-50-street-brooklyn/unit/1 ## Registered with the city - Individual owner (name not shown) (TaxLotOwner, PLUTO (tax lot data)) ## More - Every record behind this card: https://blueflo.tech/b/423-50-street-brooklyn/records - The same card as JSON: https://blueflo.tech/v1/buildings/423-50-street-brooklyn - Ask about any building from an assistant (MCP): https://blueflo.tech/mcp - Report something wrong: https://blueflo.tech/dispute?slug=423-50-street-brooklyn - How to use this data: https://blueflo.tech/llms.txt