# 233 Stuyvesant Ave, Brooklyn What New York City's public records say about this building. Page: https://blueflo.tech/b/233-stuyvesant-avenue-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 638 Madison St: one building, several doors, and this card covers all of them. ## In one line 58 open immediately hazardous (class C) HPD violations about pests and heat or hot water and mold and electrical and fire safety and walls, floors and stairs (Housing Maintenance Code Violations, as of 2026-10-20) ## The building - **Year built:** 1931 (PLUTO (tax lot data), as of 2026-08-24) - **Stories:** 4 (Buildings Subject to HPD Jurisdiction, as of 2026-08-12) - **Homes:** 8 (Buildings Subject to HPD Jurisdiction, as of 2026-08-12) ## Worth knowing - 58 open immediately hazardous (class C) HPD violations about pests and heat or hot water and mold and electrical and fire safety and walls, floors and stairs - 58 heat or hot water complaints filed with the city last winter - City records list the water service line's material as unknown (lead not ruled out) - 245 open HPD violations about building conditions ## Also on record - On the state's list of buildings with rent-stabilized apartments (2024 registrations) ## Clean in the records - Boiler inspection filed Nov 2025 with no defects reported (DOB NOW: Safety Boiler, as of 2026-10-20) - Outside FEMA's 1% annual-chance flood zone; no mapped stormwater flooding (FEMA National Flood Hazard Layer, as of 2026-10-21) ## Building systems - **Boiler inspection filings:** Latest accepted inspection Nov 2025, defects reported: no (DOB NOW: Safety Boiler, as of 2026-10-20) - **Facade rating:** Not required: facade inspections apply only to buildings taller than 6 stories (DOB NOW: Safety – Facades Compliance Filings, as of 2026-10-20) - **Water service line:** Unknown - Lead Status Unknown (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 2026-10-21) - **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:** Below grade (PLUTO (tax lot data), as of 2026-08-24) ## Violations and complaints - **HPD violations:** 245 open: 245 about building conditions — walls, floors and stairs (60), mold (36), pests (35), doors and windows (27); 58 immediately hazardous (class C). 25 further violations from 2026 were closed. 457 violations on record in all, 1981–2026 — the 371 most recent are listed here (Housing Maintenance Code Violations, as of 2026-10-20) - **DOB violations:** 8 open: 8 about building conditions (DOB Violations, as of 2026-10-20) - **Heat and hot water complaints:** 58 heat or hot water complaints (Housing Maintenance Code Complaints and Problems, as of 2026-10-21) - **Resident complaints to the city:** 80 doors or windows, 69 heat or hot water, 37 paint or plaster, 34 floors or stairs, 29 electrical, 28 mold, 27 pests, 23 general repairs, 19 leaks, 18 plumbing, 14 safety, 7 appliances, 4 unsanitary conditions, 1 outside the building (Housing Maintenance Code Complaints and Problems, as of 2026-10-21) ## 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 (Weil-Mclain EGH-95-S), registration current since Jan 2026 (Clean Air Tracking System (boiler registrations), as of 2026-10-21) - **Boiler work permits:** Latest boiler work permit 2019 (2 on record) (DOB Permit Issuance (BIS), as of 2026-10-20) - **Elevators:** No elevators registered to this building (DOB NOW Elevator Safety Compliance, as of 2026-10-20) - **Gas piping:** No open gas piping filing violations. Inspection results themselves are not published (DOB Safety Violations, as of 2026-10-20) - **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:** 8 permits since 1990 (DOB NOW: Build – Approved Permits, as of 2026-10-20) - **Sales:** No recorded sale since 2016; 1 apartment sale since 2016 (NYC Citywide Annualized Calendar Sales, as of 2026-06-09) - **Sidewalk shed and scaffolding:** No active shed permit; permits since Nov 2018, last expired Nov 2019 (DOB NOW: Build – Approved Permits, as of 2026-10-20) - **Landmark status:** Not in a historic district on record (PLUTO (tax lot data), as of 2026-08-24) ## By apartment 5 of 8 apartments named in a city record: - Apt 1A: https://blueflo.tech/b/233-stuyvesant-avenue-brooklyn/unit/1a - Apt 1B: https://blueflo.tech/b/233-stuyvesant-avenue-brooklyn/unit/1b - Apt 2: https://blueflo.tech/b/233-stuyvesant-avenue-brooklyn/unit/2 - Apt 2A: https://blueflo.tech/b/233-stuyvesant-avenue-brooklyn/unit/2a - Apt 3B: https://blueflo.tech/b/233-stuyvesant-avenue-brooklyn/unit/3b ## Registered with the city - CONCORD MANAGEMENT OF NY LLC (Agent, Registration Contacts) - BSDC 233 Stuyvesant HDFC (CorporateOwner, Registration Contacts) - BSDC 233 STUYVESANT AVE HOUSING DEV FUND CORP (TaxLotOwner, PLUTO (tax lot data)) ## More - Every record behind this card: https://blueflo.tech/b/233-stuyvesant-avenue-brooklyn/records - The same card as JSON: https://blueflo.tech/v1/buildings/233-stuyvesant-avenue-brooklyn - Ask about any building from an assistant (MCP): https://blueflo.tech/mcp - Report something wrong: https://blueflo.tech/dispute?slug=233-stuyvesant-avenue-brooklyn - How to use this data: https://blueflo.tech/llms.txt