Building health · BROOKLYN, NY

9 St Marks Ave

built 1889 · 4 stories · 8 apartments
Registered with the city: 9 ST MARKS AVENUE LLC

Apartments named in these records

3 of this building’s 8 apartments are named in a city record. The rest have no record naming them, which is the usual case.

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

Flooding

Issues on record
FEMA flood zone

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

FEMA National Flood Hazard Layer, as of 2026-10-21
What this counts

Effective FIRM zones touching the building footprint

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
What this counts

Mapped ponding touching the building footprint

BasementWhole tax lot

Below grade

PLUTO (tax lot data), as of 2026-08-24

Heat and hot water

2 complaints, 2024–2026 · 1 in the past year
Boiler inspection filings

Latest accepted inspection Oct 2025, defects reported: no

DOB NOW: Safety Boiler, as of 2026-10-21 · See the boiler filings at DOB →
What this counts

Accepted annual boiler inspection filings, any date

  • Heat sourceno recordNo boiler registration or district steam on record
  • Boiler work permitsno recordNo boiler work permits on record
  • Heat and hot water complaintsfound0 heat or hot water complaints

Water and pipes

2 complaints, 2026

Pests and cleanliness

Issues on record (2023) · 1 complaint, 2026

Fire and safety

1 resolved in 2026

Structure and facade

Older records on file

General condition and all records

HPD violations

2 open: 2 about building conditions — pests (2); 2 immediately hazardous (class C). 12 further violations from 2023–2026 were closed. 104 violations on record in all, 2003–2026 — the 14 most recent are listed here

Housing Maintenance Code Violations, as of 2026-10-21 · 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

2 open: 1 about filings or paperwork, 1 older than 10 years

DOB Violations, as of 2026-10-21 · 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

4 leaks, 2 heat or hot water, 1 doors or windows, 1 mold, 1 paint or plaster

Housing Maintenance Code Complaints and Problems, as of 2026-10-21 · 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
  • Salesno recordNo recorded sale since 2016

Nothing on record

Rent and tenancyNot on the state list
  • Rent stabilizationno recordNot on the state's 2024 list. Owners who register late or not at all are missing, so ask HCR about a specific apartment
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

Sources

24 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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