# 498 Jefferson Ave, Brooklyn

What New York City's public records say about this building. Page: https://blueflo.tech/b/498-jefferson-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

22 open immediately hazardous (class C) HPD violations about pests and fire safety and heat or hot water and electrical and walls, floors and stairs (Housing Maintenance Code Violations, as of 2026-10-19)

## The building

- **Year built:** 1910 (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

- 22 open immediately hazardous (class C) HPD violations about pests and fire safety and heat or hot water and electrical and walls, floors and stairs
- City records list the water service line's material as unknown (lead not ruled out)
- 61 open HPD violations about building conditions

## Clean in the records

- 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:** No boiler filings under this building's ID (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:** 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 2026-10-20)
- **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:** Below grade (PLUTO (tax lot data), as of 2026-08-24)

## Violations and complaints

- **HPD violations:** 66 open: 61 about building conditions — fire safety (10), walls, floors and stairs (9), other conditions (8), leaks (7); 22 immediately hazardous (class C), 5 about paperwork or notices. Also 15 older records from 1983–2016 never closed. 3 further violations from 2025–2026 were closed. 140 violations on record in all, 1983–2026 — the 84 most recent are listed here (Housing Maintenance Code Violations, as of 2026-10-19)
- **DOB violations:** 30 open: 8 about building conditions, 17 about filings or paperwork, 5 older than 10 years (DOB Violations, as of 2026-10-19)
- **Heat and hot water complaints:** 3 heat or hot water complaints (Housing Maintenance Code Complaints and Problems, as of 2026-10-20)
- **Resident complaints to the city:** 6 heat or hot water, 3 electrical, 3 general repairs, 3 pests, 2 leaks, 2 mold, 2 plumbing, 2 safety, 1 doors or windows, 1 floors or stairs, 1 paint or plaster, 1 unsanitary conditions (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:** 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:** No open gas piping filing violations. Inspection results themselves are not published (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:** Not in a historic district on record (PLUTO (tax lot data), as of 2026-08-24)

## By apartment

6 of 8 apartments named in a city record:

- Apt 1B: https://blueflo.tech/b/498-jefferson-avenue-brooklyn/unit/1b
- Apt 1D: https://blueflo.tech/b/498-jefferson-avenue-brooklyn/unit/1d
- Apt 2A: https://blueflo.tech/b/498-jefferson-avenue-brooklyn/unit/2a
- Apt 2B: https://blueflo.tech/b/498-jefferson-avenue-brooklyn/unit/2b
- Apt 2C: https://blueflo.tech/b/498-jefferson-avenue-brooklyn/unit/2c
- Apt 4C: https://blueflo.tech/b/498-jefferson-avenue-brooklyn/unit/4c

## Registered with the city

- 498 JEFFERSON AVENUE REALTY LLC (CorporateOwner, Registration Contacts)
- 498 JEFFERSON AVENUE REALTY LLC (TaxLotOwner, PLUTO (tax lot data))

## More

- Every record behind this card: https://blueflo.tech/b/498-jefferson-avenue-brooklyn/records
- The same card as JSON: https://blueflo.tech/v1/buildings/498-jefferson-avenue-brooklyn
- Ask about any building from an assistant (MCP): https://blueflo.tech/mcp
- Report something wrong: https://blueflo.tech/dispute?slug=498-jefferson-avenue-brooklyn
- How to use this data: https://blueflo.tech/llms.txt