Building health · MANHATTAN, NY

424 W 48 St

built 1930 · 5 stories · 54 apartments

Heat and hot water

No issues on record
What has happened here
1996 Sep
Boiler permit, Fuel burning permit
Heat source

Boiler burning natural gas (Rockmills MP-60), registration expired since May 2019

Clean Air Tracking System (boiler registrations), as of 2026-10-16 · See this building's boiler registrations on NYC Open Data →
Boiler work permits

Latest boiler work permit 1996

DOB Permit Issuance (BIS), as of 2026-10-16
What this counts

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

  • Boiler inspection filingsno recordNo boiler filings under this building's ID
  • Heat and hot water complaintsfound0 heat or hot water complaints

Water and pipes

No issues on record
Water service lineWhole tax lot

Non-Lead (excavation)

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

Structure and facade

No issues on record
What has happened here
2010 Aug
Scaffold permit
  • Facade ratingnot requiredNot required: facade inspections apply only to buildings taller than 6 stories
  • Sidewalk shed and scaffoldingfoundNo active shed permit
  • Landmark statusno recordNot in a historic district 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 2026-10-17
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

  • BasementfoundNo basement

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

What has happened here
2025 Oct
PL-PER Gas Piping - LL152 DOB violation
Gas piping

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

DOB Safety Violations, as of 2026-10-17
What this counts

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

General condition and all records

DOB violations

1 open: 1 about filings or paperwork

2025 Oct
PL-PER Gas Piping - LL152
DOB Violations, as of 2026-10-17 · 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

Permit history

3 permits since 1990

2010 Aug
Scaffold permit
1996 Sep
Boiler permit, Fuel burning permit
and 1 more at the source
DOB NOW: Build – Approved Permits, as of 2026-10-16 · See every permit at DOB →
What this counts

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

  • HPD violationsfound0 open
  • Resident complaints to the cityfoundno complaints

Nothing on record

Energyno record
  • Energyno recordNo energy score on record
ElevatorsNot applicable
  • Elevatorsnot requiredNo elevators registered to this building

Sources

21 datasets

FEMA

NYC DCP

NYC DEP

NYC DEP / Mayor's Office

NYC DOB

NYC DOB / Mayor's Office

NYC HPD

NYC OTI

NYC Rent Guidelines Board / NYS HCR

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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Not an inspection and not a warranty. May not be used for tenant screening — terms of use · privacy.