405 West 23 Street
Composite verdict
This is a 94-year-old, 19-floor condo building (built 1932) with only 2 units on record, owned by LONDON TERRACE TOWERS CONDOMINIUM. HPD shows 1 open violation — a Class A (non-hazardous) signage issue that has been open for 5,863 days, which is a notable red flag despite the low severity classification. The rent stabilization data is unusual: the record shows 32 stabilized units and 23 deregulated since 2007, yet the building is listed as having only 2 total units — this discrepancy strongly suggests the HPD/ACRIS record covers a sub-unit or condo lot rather than the full London Terrace complex, and you should clarify exactly which unit and building you are renting before relying on any of these figures. Noise is a real concern: 360 noise complaints in the past 12 months, dominated by 252 residential noise calls, earning the area a 'Very high noise activity' rating.
Class B
Class C
past 12 months
units
past 12 mo (150m)
rent
rating
min walk
(311 complaints)
errands grade
nearby
- The HPD record shows only 2 units for this address, yet the rent stabilization data lists 32 stabilized units and 23 deregulated since 2007 — can you clarify exactly which BBL, unit, and building section this lease covers, and confirm whether the unit is currently rent-stabilized?
- There is 1 open HPD violation — a Class A signage violation (§ 27-2104, requiring a registration number sign in the lobby) that has been open for 5,863 days, roughly 16 years. Why has this never been resolved, and does it reflect a broader pattern of deferred administrative compliance?
- 311 records show 360 noise complaints in the past 12 months in this area, with 252 classified as residential noise — what floor is the unit on, and what soundproofing or noise mitigation exists between units in this 1932 building?
- The area logged 137 HEAT/HOT WATER complaints in the past 12 months via 311 — what is the heating system in this building, when was it last serviced, and has this unit experienced heat or hot water outages in the past two years?
- Bedbugs records show 1 infestation in the last 3 years at a 'low' risk level — which unit was affected, what treatment was performed, and what is the building's current pest management protocol?
- 23 units have been deregulated since 2007 out of what was originally a stabilized building — if this unit is or was stabilized, can you provide documentation of its current legal regulated rent and any deregulation history?
- Inspect the lobby entrance wall for the HPD registration number sign — its absence after 5,863 days open is a concrete, visible indicator of how the building handles compliance obligations.
- Given the building was constructed in 1932, examine the windows, radiators, and any exposed plumbing or ceiling finishes in the unit for signs of deferred maintenance, water damage, or aging infrastructure consistent with a 94-year-old structure.
- Walk the hallways and listen at different times of day — with 252 residential noise complaints in the past year, assess how sound travels between floors and units, and check whether corridor and stairwell conditions suggest active building management.
405 West 23 Street sits in Manhattan, ZIP 10011. The closest subway is 23 St (C,E) (4-minute walk), served by the 1, A, C, E, and L lines. Within an 800-meter walk you'll find 130 restaurants, 56 cafes, 25 groceries, and 11 pharmacies — a walkable-errands grade of A. Nearby public schools include P.S. 033 Chelsea Prep (grades Pre-K to 5), a 3-minute walk. Noise activity over the past 12 months is very high noise activity — 360 noise complaints filed via 311, mostly residential noise. NYPD CompStat data places this precinct at a 80/100 safety score.
- 2010-04-28 "§ 27-2104 ADM CODE POST AND MAINTAIN A PROPER SIGN ON WALL OF ENTRANCE STORY SHOWING THE REGISTRATION NUMBER ASSIGNED BY…"
- Class A · 1 open · penalty 1 · (1/ea)
- 2025-11-21 · Apt 2B · EMERGENCY · HEAT/HOT WATER
- 2025-11-15 · Apt BLDG · EMERGENCY · HEAT/HOT WATER
- 2025-10-31 · Apt 14D · EMERGENCY · HEAT/HOT WATER
- Noise - Residential: 252
- Illegal Parking: 144
- HEAT/HOT WATER: 137
- Dirty Condition: 89
- Noise: 69
~1 block 300m
~2-3 blocks
- HARRASSMENT 2: 22
- PETIT LARCENY: 15
- GRAND LARCENY: 15
- ASSAULT 3 & RELATED OFFENSES: 11
- MISCELLANEOUS PENAL LAW: 7
- Aug 2, 2022 "FAILURE TO FILE BENCHMARKING REPORT OF ENERGY USE AS PER AD. CODE SEC. 28-309.4"
- Feb 21, 2019
- Nov 14, 2016 "VIO ISSUED TO ELEVATOR - FAIL TO CORRECT DEFECTS ON 2014 CAT 1 INSP/TST"
- HIGHER PLANE CORPORATION
- CHELSEA ENCLAVE GARAGE LLC
- 249 PARKING CORP.
- P.S. 033 Chelsea Prep
- P.S. 011 William T. Harris
- Quest to Learn
- New York City Lab Middle School for Collaborative
- James Baldwin School, The: A School for Expedition
- Manhattan Business Academy
- Landmark High School
- 23 St
- 23 St
- 28 St
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