# 148 Brooklyn Ave, Brooklyn

What New York City's public records say about this building. Page: https://blueflo.tech/b/148-brooklyn-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 840 St Marks Ave: one building, several doors, and this card covers all of them.

## In one line

20 open immediately hazardous (class C) HPD violations about lead-based paint and pests and fire safety and doors and windows and mold (Housing Maintenance Code Violations, as of 2026-10-20)

## The building

- **Year built:** 1926 (PLUTO (tax lot data), as of 2026-08-24)
- **Stories:** 6 (Buildings Subject to HPD Jurisdiction, as of 2026-08-12)
- **Homes:** 54 (Buildings Subject to HPD Jurisdiction, as of 2026-08-12)

## Worth knowing

- 20 open immediately hazardous (class C) HPD violations about lead-based paint and pests and fire safety and doors and windows and mold
- 2 hazardous (class 1) building code violations from 2022 are still open
- City records list the water service line's material as unknown (lead not ruled out)
- Basement on record, and the city's stormwater map shows flooding here in at least one storm scenario
- 4 open major (class 2) building code violations from 2022–2026
- Latest facade filing: safe with a repair and maintenance program
- Sidewalk shed permitted since Mar 2022
- 55 open HPD violations about building conditions

## Also on record

- City stormwater map shows deep and contiguous flooding at this building in the Extreme storm, 2080 sea levels scenario
- In the Crown Heights North Historic District: exterior changes need Landmarks Commission approval

## Clean in the records

- Outside FEMA's 1% annual-chance flood zone (FEMA National Flood Hazard Layer, as of 2026-10-21)
- No heat or hot water complaints filed last winter (Housing Maintenance Code Complaints and Problems, as of 2026-10-20)

## Building systems

- **Boiler inspection filings:** Latest accepted inspection May 2025, defects reported: no (DOB NOW: Safety Boiler, as of 2026-10-20)
- **Facade rating:** Safe with a repair and maintenance program (cycle 10, filed Jul 2026) (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: 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:** 66 open: 55 about building conditions — walls, floors and stairs (13), lead-based paint (11), leaks (8), pests (5); 20 immediately hazardous (class C), 11 about paperwork or notices. 25 further violations from 2024–2026 were closed. 214 violations on record in all, 2010–2026 — the 98 most recent are listed here (Housing Maintenance Code Violations, as of 2026-10-20)
- **DOB violations:** 16 open: 11 about building conditions, 5 about filings or paperwork (DOB Violations, as of 2026-10-20)
- **Heat and hot water complaints:** 0 heat or hot water complaints (Housing Maintenance Code Complaints and Problems, as of 2026-10-20)
- **Resident complaints to the city:** 4 paint or plaster, 3 heat or hot water, 3 leaks, 3 mold, 3 pests, 2 plumbing, 1 floors or stairs, 1 general repairs (Housing Maintenance Code Complaints and Problems, as of 2026-10-20)

## More systems

- **Rent stabilization:** Not on the state's 2024 list. Owners who register late or not at all are missing, so ask HCR about a specific apartment (Rent Stabilized Building Lists (2024 HCR registrations), as of 2025-11-30)
- **Heat source:** Boiler burning natural gas (Best 5C-125), registration current since May 2025 (Clean Air Tracking System (boiler registrations), as of 2026-10-21)
- **Boiler work permits:** Latest boiler work permit 2024 (2 on record) (DOB Permit Issuance (BIS), as of 2026-10-20)
- **Elevators:** 1 active elevator; latest periodic inspection Apr 2025 (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:** ENERGY STAR score 79 (2024 report) (Energy and Water Data Disclosure (Local Law 84), as of 2025-11-25)

## Permits and work

- **Permit history:** 13 permits since 1990 (DOB NOW: Build – Approved Permits, as of 2026-10-20)
- **Sidewalk shed and scaffolding:** Shed permit active now (DOB NOW: Build – Approved Permits, as of 2026-10-20)
- **Landmark status:** In the Crown Heights North Historic District (PLUTO (tax lot data), as of 2026-08-24)

## By apartment

7 of 54 apartments named in a city record:

- Apt 1B: https://blueflo.tech/b/148-brooklyn-avenue-brooklyn/unit/1b
- Apt 2B: https://blueflo.tech/b/148-brooklyn-avenue-brooklyn/unit/2b
- Apt 2C: https://blueflo.tech/b/148-brooklyn-avenue-brooklyn/unit/2c
- Apt 2G: https://blueflo.tech/b/148-brooklyn-avenue-brooklyn/unit/2g
- Apt 2H: https://blueflo.tech/b/148-brooklyn-avenue-brooklyn/unit/2h
- Apt 6C: https://blueflo.tech/b/148-brooklyn-avenue-brooklyn/unit/6c
- Apt 6H: https://blueflo.tech/b/148-brooklyn-avenue-brooklyn/unit/6h

## Registered with the city

- MACK EDGE MANAGEMENT LLC (Agent, Registration Contacts)
- ST MARKS AVE HDFC (CorporateOwner, Registration Contacts)
- 840-50 ST MARKS AV HDFC (TaxLotOwner, PLUTO (tax lot data))

## More

- Every record behind this card: https://blueflo.tech/b/148-brooklyn-avenue-brooklyn/records
- The same card as JSON: https://blueflo.tech/v1/buildings/148-brooklyn-avenue-brooklyn
- Ask about any building from an assistant (MCP): https://blueflo.tech/mcp
- Report something wrong: https://blueflo.tech/dispute?slug=148-brooklyn-avenue-brooklyn
- How to use this data: https://blueflo.tech/llms.txt