Building health · MANHATTAN, NY

207 9 Ave

built 1920 · 6 stories · 20 apartments
Also known as 400 W 23 St — one building, several doors.

Flooding

Issues on record
FEMA flood zone

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

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

BasementWhole tax lot

Below grade

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

Heat and hot water

No issues on record
Heat source

Boiler burning No. 4 oil (Spencer Fpc 4390 SPENCER FPC 4390), registration cancelled since Jan 1900

Clean Air Tracking System (boiler registrations), as of 2026-10-19 · See this building's boiler registrations on NYC Open Data →
  • 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

Water and pipes

No issues on record
What has happened here
Water service line

Non-Lead (records)

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

Structure and facade

No issues on record
  • Facade ratingnot requiredNot required: facade inspections apply only to buildings taller than 6 stories
  • Sidewalk shed and scaffoldingfoundNo active shed permit; permits since Mar 2024, last expired Jul 2026
  • Landmark statusno recordNot in a historic district on record

Elevators

No issues on record
Elevators

1 active elevator; latest periodic inspection Feb 2026

DOB NOW Elevator Safety Compliance, as of 2026-10-18 · See this building's elevators on NYC Open Data →
What this counts

Active elevator devices registered to this building ID

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. Co-op or condo on the list: renters who moved in after conversion are not covered

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

General condition and all records

Permit history

46 permits since 1990

DOB NOW: Build – Approved Permits, as of 2026-10-17 · 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. 6 violations on record in all, 1979–1990 — the 0 most recent are listed here
  • DOB violationsfound0 open
  • Resident complaints to the cityfoundno complaints

Nothing on record

Gasno record
  • Gas pipingno recordNo open gas piping filing violations. Inspection results themselves are not published
Energyno record
  • Energyno recordNo energy score on record

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