# 525 Union Ave, Brooklyn

What New York City's public records say about this building. Page: https://blueflo.tech/b/525-union-avenue-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

In a FEMA AE flood zone (FEMA National Flood Hazard Layer, as of 2026-10-21)

## The building

- **Year built:** 2007 (PLUTO (tax lot data), as of 2026-08-24)
- **Stories:** 6 (Buildings Subject to HPD Jurisdiction, as of 2026-08-12)
- **Homes:** 43 (Buildings Subject to HPD Jurisdiction, as of 2026-08-12)

## Worth knowing

- In a FEMA AE flood zone
- Basement on record, and the city's stormwater map shows flooding here in at least one storm scenario

## Also on record

- 38 flood insurance claims in this census tract since 1978, 2 of them from 2012
- On the state's list of buildings with rent-stabilized apartments (2024 registrations)
- City stormwater map shows deep and contiguous flooding at this building in the Extreme storm, 2080 sea levels scenario

## Clean in the records

- Water service line on record as non-lead (records) (Lead Service Line Location Coordinates, as of 2026-01-30)
- Elevator periodic inspection filed within the last year (DOB NOW Elevator Safety Compliance, as of 2026-10-21)
- No open HPD violations about building conditions from the last 10 years (Housing Maintenance Code Violations, as of 2026-10-21)

## Building systems

- **Boiler inspection filings:** No boiler filings under this building's ID (DOB NOW: Safety Boiler, as of 2026-10-21)
- **Facade rating:** Not required: facade inspections apply only to buildings taller than 6 stories (DOB NOW: Safety – Facades Compliance Filings, as of 2026-10-21)
- **Water service line:** Non-Lead (records) (Lead Service Line Location Coordinates, as of 2026-01-30)
- **FEMA flood zone:** In a FEMA special flood hazard area: AE (FEMA National Flood Hazard Layer, as of 2026-10-21)
- **Stormwater flooding:** Extreme storm, 2080 sea levels: Deep and contiguous flooding (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:** No basement (PLUTO (tax lot data), as of 2026-08-24)

## Violations and complaints

- **HPD violations:** 0 open. 17 further violations from 2023–2025 were closed. 44 violations on record in all, 2013–2025 — the 17 most recent are listed here (Housing Maintenance Code Violations, as of 2026-10-21)
- **DOB violations:** 16 open: 8 about building conditions, 8 about filings or paperwork (DOB Violations, as of 2026-10-21)
- **Heat and hot water complaints:** 1 heat or hot water complaint (Housing Maintenance Code Complaints and Problems, as of 2026-10-21)
- **Resident complaints to the city:** 3 heat or hot water, 3 leaks, 1 mold, 1 paint or plaster, 1 pests, 1 unsanitary conditions (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:** No boiler registration or district steam on record (Clean Air Tracking System (boiler registrations), as of 2026-10-21)
- **Boiler work permits:** No boiler work permits on record (DOB Permit Issuance (BIS), as of 2026-10-20)
- **Elevators:** 2 active elevators; latest periodic inspection Jan 2026 (DOB NOW Elevator Safety Compliance, as of 2026-10-21)
- **Gas piping:** No open gas piping filing violations. Inspection results themselves are not published (DOB Safety Violations, as of 2026-10-21)
- **Energy:** ENERGY STAR score 84 (2024 report) (Energy and Water Data Disclosure (Local Law 84), as of 2025-11-25)

## Permits and work

- **Permit history:** 16 permits since 1990 (DOB NOW: Build – Approved Permits, as of 2026-10-21)
- **Sales:** Last sold Mar 2026 for $38,000,000 (NYC Citywide Annualized Calendar Sales, as of 2026-06-09)
- **Sidewalk shed and scaffolding:** No active shed permit; permits since Oct 2023, last expired Oct 2024 (DOB NOW: Build – Approved Permits, as of 2026-10-21)
- **Landmark status:** Not in a historic district on record (PLUTO (tax lot data), as of 2026-08-24)

## By apartment

11 of 43 apartments named in a city record:

- Apt 2A: https://blueflo.tech/b/525-union-avenue-brooklyn/unit/2a
- Apt 2D: https://blueflo.tech/b/525-union-avenue-brooklyn/unit/2d
- Apt 2I: https://blueflo.tech/b/525-union-avenue-brooklyn/unit/2i
- Apt 3C: https://blueflo.tech/b/525-union-avenue-brooklyn/unit/3c
- Apt 3H: https://blueflo.tech/b/525-union-avenue-brooklyn/unit/3h
- Apt 4H: https://blueflo.tech/b/525-union-avenue-brooklyn/unit/4h
- Apt 5D: https://blueflo.tech/b/525-union-avenue-brooklyn/unit/5d
- Apt 5G: https://blueflo.tech/b/525-union-avenue-brooklyn/unit/5g
- Apt 6A: https://blueflo.tech/b/525-union-avenue-brooklyn/unit/6a
- Apt 6C: https://blueflo.tech/b/525-union-avenue-brooklyn/unit/6c
- Apt 6G: https://blueflo.tech/b/525-union-avenue-brooklyn/unit/6g

## Registered with the city

- PARK HOUSE PROPERTY MANAGEMENT (Agent, Registration Contacts)
- 525 Union Development LLC (CorporateOwner, Registration Contacts)
- 525 UNION DEVELOPMENT LLC (TaxLotOwner, PLUTO (tax lot data))

## More

- Every record behind this card: https://blueflo.tech/b/525-union-avenue-brooklyn/records
- The same card as JSON: https://blueflo.tech/v1/buildings/525-union-avenue-brooklyn
- Ask about any building from an assistant (MCP): https://blueflo.tech/mcp
- Report something wrong: https://blueflo.tech/dispute?slug=525-union-avenue-brooklyn
- How to use this data: https://blueflo.tech/llms.txt