Building health · BROOKLYN, NY

493 12 St

built 1901 · 4 stories · 16 apartments
Registered with the city: LEADING ASSURED BUILDING SERVICES LLC · 1 other building here list it; 493 12TH ST ASSOCIATES LLC; 493 12TH ST ASSOCIATES

Apartments named in these records

7 of this building’s 16 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.

Heat and hot water

Issues on record (2024) · 5 complaints, 2025–2026 · 3 in the past year
Heat source

Boiler burning natural gas (H.B. Smith 19-S-7), registration current since Oct 2026

Clean Air Tracking System (boiler registrations), as of 2026-10-20 · See this building's boiler registrations on NYC Open Data →
Boiler inspection filings

Latest accepted inspection Apr 2026, defects reported: no

DOB NOW: Safety Boiler, as of 2026-10-19 · See the boiler filings at DOB →
What this counts

Accepted annual boiler inspection filings, any date

Boiler work permits

Latest boiler work permit 1995 (3 on record)

DOB Permit Issuance (BIS), as of 2026-10-19
What this counts

DOB boiler permits (BIS and DOB NOW); a permit dates work, not the boiler's age

Heat and hot water complaints

5 heat or hot water complaints

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

HPD complaints, heat season 2025–26 (Oct 1–May 31)

Water and pipes

Issues on record, most recently 2024
Water service line

Non-Lead (records)

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

Pests and cleanliness

1 complaint, 2026

Fire and safety

1 resolved in 2024

Electrical

Older records on file

Structure and facade

Issues on record, most recently 2023
Landmark statusWhole tax lot

In the Park Slope Historic District

PLUTO (tax lot data), as of 2026-08-24
  • Facade ratingnot requiredNot required: facade inspections apply only to buildings taller than 6 stories
  • Sidewalk shed and scaffoldingno recordNo sidewalk shed permits on record

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: 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
What this counts

Mapped ponding touching the building footprint

BasementWhole tax lot

Below grade

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

Rent and tenancy

On the state list
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
What this counts

The list doesn't say which apartments are stabilized, and being listed isn't proof of current status. For a specific apartment, request its rent history from HCR

Gas

Gas piping

Open violation for not filing the periodic gas piping inspection (2025)

DOB Safety Violations, as of 2026-10-19
What this counts

Paperwork violation: the filing is missing, which is not a finding about the pipes

General condition and all records

HPD violations

6 open: 4 about building conditions — smoke or CO detectors (2), leaks (1), walls, floors and stairs (1), 2 about paperwork or notices. Also 64 older records from 1977–2009 never closed. 4 further violations from 2023–2024 were closed. 76 violations on record in all, 1977–2026 — the 74 most recent are listed here

2026 May
Pests class A · paperwork
2024 Mar
Smoke or CO detectors class A
2024 Mar
Walls, floors and stairs class A · paperwork
2024 Mar
Leaks class A
2024 Mar
Smoke or CO detectors class A
2024 Mar
Heat or hot waterApt 2D class C · closed
2024 Mar
Fire safety class C · closed
2023 Dec
Walls, floors and stairsApt 3B class B
Show 21 more
2023 Dec
Walls, floors and stairsApt 3B class C · closed
2023 Dec
Walls, floors and stairsApt 3B class C · closed
2009 Feb
Doors and windowsApt 2D class A · never closed
2009 Feb
Walls, floors and stairsApt 2D class B · never closed
2009 Feb
Walls, floors and stairsApt 2D class B · never closed
2006 Feb
Electrical class B · never closed
2005 Mar
Electrical class A · never closed
2003 Jan
Walls, floors and stairs class C · never closed
2003 Jan
Smoke or CO detectorsApt 3B class B · never closed
2001 Jan
Smoke or CO detectorsApt 1B class B · never closed
1995 Mar
PestsApt 3A class B · never closed
1995 Mar
Walls, floors and stairsApt 3A class B · never closed
1995 Mar
Walls, floors and stairsApt 3A class B · never closed
1995 Mar
Walls, floors and stairsApt 3A class B · never closed
1994 Jan
Doors and windowsApt 1C class A · never closed
1994 Jan
PestsApt 1C class B · never closed
1994 Jan
Smoke or CO detectorsApt 1C class B · never closed
1994 Jan
Heat or hot waterApt 1C class B · never closed
1994 Jan
MoldApt 1C class B · never closed
1994 Jan
Walls, floors and stairsApt 1C class B · never closed
1993 Jul
Smoke or CO detectorsApt 3D class B · never closed
and 41 more at the source
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

6 open: 1 about building conditions, 2 about filings or paperwork, 3 older than 10 years

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

5 heat or hot water, 1 appliances, 1 floors or stairs, 1 pests

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 history

7 permits since 1990

DOB NOW: Build – Approved Permits, as of 2026-10-19 · See every permit at DOB →
What this counts

DOB permits issued (DOB NOW and legacy BIS), one per job and work type; excludes sheds

Nothing on record

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

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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