Building health · MANHATTAN, NY

227 W 121 St

built 1910 · 5 stories · 20 apartments

Water and pipes

Issues on record
Water service lineWhole tax lot

Unknown - Lead Status Unknown (records)

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

Flooding

No issues on record
FEMA flood zone

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

FEMA National Flood Hazard Layer, as of 2026-10-19
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 stabilizationWhole tax lot

On the state's list of buildings with at least one rent-stabilized apartment (2024 registrations); listed for this tax lot (1 addresses), not under this building's address. Listed under the J-51 tax program, so stabilization can end when the exemption does

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
2026 Jan
PL-PER Gas Piping - LL152 DOB violation
Gas piping

Open violation for not filing the periodic gas piping inspection (2026)

DOB Safety Violations, as of 2026-10-18
What this counts

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

Energy

Energy

ENERGY STAR score 1 (2023 report)

Energy and Water Data Disclosure (Local Law 84), as of 2025-11-25
What this counts

Letter grades are issued by the city under Local Law 33 and posted near the building entrance; Blueflo shows the reported score only

General condition and all records

DOB violations

1 open: 1 about filings or paperwork

2026 Jan
PL-PER Gas Piping - LL152
DOB Violations, as of 2026-10-18 · 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

  • HPD violationsfound0 open
  • Resident complaints to the cityfoundno complaints
  • Permit historyno record0 permits since 1990

Nothing on record

Heat and hot waterNo issues on record
  • Heat sourceno recordNo boiler registration or district steam on record
  • Boiler inspection filingsno recordNo boiler filings under this building's ID
  • Boiler work permitsno recordNo boiler work permits on record
  • Heat and hot water complaintsfound0 heat or hot water complaints
Structure and facadeNo issues on record
  • 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
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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