Building health · BROOKLYN, NY

109 Ralph Ave

built 1905 · 4 stories · 3 apartments
Also known as 858 Jefferson Ave — one building, several doors.
Registered with the city: 858 Jefferson LLC; 858 JEFFERSON, LLC

Apartments named in these records

City records name 4 apartment labels, more than the 3 apartments the city lists for this building, so some are likely the same apartment written differently.

These are city records about an apartment, not about anyone who lives or lived there. They may not be used to screen a tenant.

Heat and hot water

Issues on record · 12 complaints, 2025

Water and pipes

Issues on record (2025) · 1 complaint, 2026
Water service lineWhole tax lot

Lead (records)

Lead Service Line Location Coordinates, as of 2026-01-30

Pests and cleanliness

2 complaints, 2025–2026 · 1 in the past year

Fire and safety

Issues on record, most recently 2025

Electrical

Issues on record (2025) · 2 complaints, 2025

Structure and facade

Issues on record, most recently 2025

Flooding

No issues on record
FEMA flood zone

Outside FEMA's 1% annual-chance flood zone: X

FEMA National Flood Hazard Layer, as of 2026-10-20
What this counts

Effective FIRM zones touching the building footprint

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
What this counts

Mapped ponding touching the building footprint

  • Basementno recordUnknown

General condition and all records

HPD violations

15 open: 15 about building conditions — walls, floors and stairs (5), heat or hot water (4), fire safety (3), doors and windows (1); 5 immediately hazardous (class C). Also 1 older record from 1976 never closed. 2 further violations from 2025–2026 were closed. 47 violations on record in all, 1976–2026 — the 18 most recent are listed here

Housing Maintenance Code Violations, as of 2026-10-19 · Read these violations in full at HPD Online →
What this counts

Open HPD violations inspected in the last 10 years; class C = immediately hazardous. Paperwork = failure to file, notify or certify

DOB violations

4 open: 3 about building conditions, 1 about filings or paperwork

DOB Violations, as of 2026-10-19 · Read these violations in full at DOB →
What this counts

Open DOB, ECB and DOB NOW Safety violations, any date, one per violation. ECB class 1 = hazardous, class 2 = major

Resident complaints to the city

12 heat or hot water, 2 electrical, 1 outside the building, 1 paint or plaster, 1 pests, 1 plumbing, 1 unsanitary conditions

Housing Maintenance Code Complaints and Problems, as of 2026-10-20 · See the complaints at HPD Online →
What this counts

HPD complaints received in the last 2 years; the list below is every complaint on record for the last three years

  • Permit historyno record0 permits since 1990

Nothing on record

Gasno record
  • Gas pipingno recordNo open gas piping filing violations. Inspection results themselves are not published
Energyno record
  • Energynot requiredNot required: energy reporting applies to buildings over 25,000 sq ft
ElevatorsNot applicable
  • Elevatorsnot requiredNo elevators registered to this building
Rent and tenancyNot applicable
  • Rent stabilizationnot requiredNot on the state's list. Rent stabilization generally applies to buildings with 6 or more apartments

Sources

23 datasets

Each date is when we last checked that dataset, not when the record itself was created.

Every row shows the record it came from and the date it was last checked.
These are city records, not an inspection by Blueflo. Every item shows its source and the date it was last checked.
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