# 174 23 St, Brooklyn What New York City's public records say about this building. Page: https://blueflo.tech/b/174-23-street-brooklyn > These are city records, not an inspection by Blueflo. Every item shows its source and the date it was last checked. Also known as 249 24 St, 249 24 St, 715 4 Ave, 717 4 Ave, 719 4 Ave, 719 4 Ave, 721 4 Ave, 723 4 Ave, 725 4 Ave, 727 4 Ave, 729 4 Ave: one building, several doors, and this card covers all of them. ## In one line 9 open immediately hazardous (class C) HPD violations about pests and doors and windows and heat or hot water (Housing Maintenance Code Violations, as of 2026-10-19) ## The building - **Year built:** 1928 (PLUTO (tax lot data), as of 2026-08-24) - **Stories:** 5 (Buildings Subject to HPD Jurisdiction, as of 2026-08-12) - **Homes:** 165 (Buildings Subject to HPD Jurisdiction, as of 2026-08-12) ## Worth knowing - 9 open immediately hazardous (class C) HPD violations about pests and doors and windows and heat or hot water - 21 heat or hot water complaints filed with the city last winter - Basement on record, and the city's stormwater map shows flooding here in at least one storm scenario - 48 open HPD violations about building conditions ## Also on record - On the state's list of buildings with rent-stabilized apartments (2024 registrations) - City stormwater map shows nuisance flooding at this building in the Extreme storm, 2080 sea levels scenario ## Clean in the records - Water service line on record as non-lead (field inspection) (Lead Service Line Location Coordinates, as of 2026-01-30) - Boiler inspection filed Mar 2026 with no defects reported (DOB NOW: Safety Boiler, as of 2026-10-19) - Outside FEMA's 1% annual-chance flood zone (FEMA National Flood Hazard Layer, as of 2026-10-20) ## Building systems - **Boiler inspection filings:** Latest accepted inspection Mar 2026, defects reported: no (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 (field inspection) (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: 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) - **Basement:** Below grade (PLUTO (tax lot data), as of 2026-08-24) ## Violations and complaints - **HPD violations:** 48 open: 48 about building conditions — walls, floors and stairs (16), doors and windows (13), pests (8), fire safety (4); 9 immediately hazardous (class C). Also 5 older records from 2013–2016 never closed. 15 further violations from 2024–2025 were closed. 393 violations on record in all, 2001–2025 — the 68 most recent are listed here (Housing Maintenance Code Violations, as of 2026-10-19) - **DOB violations:** 7 open: 7 about building conditions (DOB Violations, as of 2026-10-19) - **Heat and hot water complaints:** 21 heat or hot water complaints (Housing Maintenance Code Complaints and Problems, as of 2026-10-20) - **Resident complaints to the city:** 25 heat or hot water, 1 electrical, 1 elevators, 1 general repairs, 1 mold, 1 pests, 1 plumbing, 1 unsanitary conditions (Housing Maintenance Code Complaints and Problems, as of 2026-10-20) ## More systems - **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) - **Heat source:** Boiler burning natural gas (Natco VW-0400-CN12), registration current since Nov 2025 (Clean Air Tracking System (boiler registrations), as of 2026-10-20) - **Boiler work permits:** Latest boiler work permit 2009 (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:** No open gas piping filing violations. Inspection results themselves are not published (DOB Safety Violations, as of 2026-10-19) - **Energy:** ENERGY STAR score 100 (2024 report) (Energy and Water Data Disclosure (Local Law 84), as of 2025-11-25) ## Permits and work - **Permit history:** 26 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:** Not in a historic district on record (PLUTO (tax lot data), as of 2026-08-24) ## By apartment 20 of 165 apartments named in a city record: - Apt A4: https://blueflo.tech/b/174-23-street-brooklyn/unit/a4 - Apt CC5: https://blueflo.tech/b/174-23-street-brooklyn/unit/cc5 - Apt D5: https://blueflo.tech/b/174-23-street-brooklyn/unit/d5 - Apt DD2: https://blueflo.tech/b/174-23-street-brooklyn/unit/dd2 - Apt EE1: https://blueflo.tech/b/174-23-street-brooklyn/unit/ee1 - Apt FF4: https://blueflo.tech/b/174-23-street-brooklyn/unit/ff4 - Apt G4: https://blueflo.tech/b/174-23-street-brooklyn/unit/g4 - Apt GG2: https://blueflo.tech/b/174-23-street-brooklyn/unit/gg2 - Apt GG5: https://blueflo.tech/b/174-23-street-brooklyn/unit/gg5 - Apt J1: https://blueflo.tech/b/174-23-street-brooklyn/unit/j1 - Apt JJ1: https://blueflo.tech/b/174-23-street-brooklyn/unit/jj1 - Apt LL1: https://blueflo.tech/b/174-23-street-brooklyn/unit/ll1 - Apt N4: https://blueflo.tech/b/174-23-street-brooklyn/unit/n4 - Apt N5: https://blueflo.tech/b/174-23-street-brooklyn/unit/n5 - Apt NN2: https://blueflo.tech/b/174-23-street-brooklyn/unit/nn2 - Apt NN5: https://blueflo.tech/b/174-23-street-brooklyn/unit/nn5 - Apt P2: https://blueflo.tech/b/174-23-street-brooklyn/unit/p2 - Apt PP4: https://blueflo.tech/b/174-23-street-brooklyn/unit/pp4 - Apt R1: https://blueflo.tech/b/174-23-street-brooklyn/unit/r1 - Apt TT4: https://blueflo.tech/b/174-23-street-brooklyn/unit/tt4 ## Registered with the city - 725 4TH OWNER LLC (CorporateOwner, Registration Contacts) - 725 4TH OWNER LLC (TaxLotOwner, PLUTO (tax lot data)) ## More - Every record behind this card: https://blueflo.tech/b/174-23-street-brooklyn/records - The same card as JSON: https://blueflo.tech/v1/buildings/174-23-street-brooklyn - Ask about any building from an assistant (MCP): https://blueflo.tech/mcp - Report something wrong: https://blueflo.tech/dispute?slug=174-23-street-brooklyn - How to use this data: https://blueflo.tech/llms.txt