1923 Adam Clayton Powell Jr Boulevard
Composite verdict
This 125-year-old elevator building at 1923 Adam Clayton Powell Jr. Boulevard carries 154 open HPD violations — 36 Class C (immediately hazardous), 104 Class B (hazardous), and 14 Class A (non-hazardous) — which is a serious maintenance burden for a 100-unit building. The most recent violation involves an active water leak at the ceiling in Apt 6G, open for 11 days. On top of that, 311 records show 564 HEAT/HOT WATER complaints in the past 12 months, making heating and hot water reliability a central concern. Rent stabilization is a genuine positive: 38 of 42 tracked units are stabilized with zero deregulations since 2007, and the landlord response rate on violations is logged as fast — but the sheer volume of open hazardous violations means responsiveness alone hasn't resolved the backlog.
Class B
Class C
past 12 months
units
past 12 mo (150m)
rent
rating
min walk
(311 complaints)
errands grade
nearby
- There are 36 open Class C (immediately hazardous) HPD violations in the building right now — can you provide a list of which units and systems are affected, and what the remediation timeline is for each?
- 311 records show 564 HEAT/HOT WATER complaints in the past 12 months — has the boiler or heating system been serviced or replaced recently, and what is the typical response time when heat or hot water goes out?
- The most recent HPD violation is an active ceiling water leak in Apt 6G, open 11 days — is there a broader water intrusion or roof issue in the building, and has the source been identified?
- The building was built in 1901 and is 125 years old — beyond the boiler, what major systems (plumbing, electrical, elevator, roof) have been updated, and can you provide documentation of those upgrades?
- 994 noise-related 311 calls were filed in the past 12 months, including 649 street/sidewalk noise complaints and 228 residential noise complaints — what soundproofing or noise mitigation exists between units and facing the street?
- There were 2 shootings recorded within 150 meters in 2024 and 23 felony incidents in the past 12 months, with assault and harassment as the top offense types — what building security measures are in place, such as a working intercom, key-fob entry, cameras, or a doorman?
- Inspect the elevator closely — in a 1901 building with 104 open Class B and 36 open Class C violations, check for posted inspection certificates with current dates, listen for unusual sounds during operation, and note whether the cab and doors show signs of deferred maintenance.
- Walk the hallways and check common areas for visible water staining, peeling paint, or damp ceilings — the active ceiling water leak violation in Apt 6G and the high volume of HPD violations suggest water intrusion may not be isolated to one unit.
- Visit during the evening or on a weekend to assess street noise firsthand — 649 street/sidewalk noise 311 complaints in 12 months is very high, and the dominant noise subtype is street-facing, so check how much sound penetrates windows in the specific unit you're considering.
1923 Adam Clayton Powell Jr Boulevard sits in Manhattan, ZIP 10026. The closest subway is 116 St (2,3) (3-minute walk), served by the 2, 3, B, and C lines. Within an 800-meter walk you'll find 51 restaurants, 12 cafes, 24 groceries, and 6 pharmacies — a walkable-errands grade of A. Nearby public schools include Harlem Hebrew Language Charter School (grades K to 5), a 2-minute walk. Noise activity over the past 12 months is very high noise activity — 994 noise complaints filed via 311, mostly street and sidewalk noise. NYPD CompStat data places this precinct at a 54/100 safety score.
- 2026-05-06 "§ 27-2026, 2027 HMC: PROPERLY REPAIR THE SOURCE AND ABATE THE EVIDENCE OF A WATER LEAK AT CEILING IN THE 3rd ROOM FROM N…"
- 2026-05-06 "§ 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR AT CEILING IN THE 3rd…"
- 2026-05-06 "§ 27-2026, 2027 HMC: PROPERLY REPAIR THE SOURCE AND ABATE THE EVIDENCE OF A WATER LEAK AT CEILING IN THE KITCHEN LOCATED…"
- 2026-05-06 "§ 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR AT CEILING IN THE 2nd…"
- 2026-05-06 "§ 27-2026, 2027 HMC: PROPERLY REPAIR THE SOURCE AND ABATE THE EVIDENCE OF A WATER LEAK AT CEILING IN THE 2nd BATHROOM FR…"
- Class C · 36 open · penalty 540 · (15/ea)
- Class B · 104 open · penalty 520 · (5/ea)
- Class A · 14 open · penalty 14 · (1/ea)
- 2026-05-06 · Apt BLDG · NON EMERGENCY · UNSANITARY CONDITION
- 2026-05-06 · Apt BLDG · NON EMERGENCY · UNSANITARY CONDITION
- 2026-05-05 · Apt 6G · IMMEDIATE EMERGENCY · PAINT/PLASTER
- Noise - Street/Sidewalk: 649
- HEAT/HOT WATER: 564
- Noise - Residential: 228
- Illegal Parking: 168
- Dirty Condition: 124
~1 block 300m
~2-3 blocks
- HARRASSMENT 2: 32
- PETIT LARCENY: 27
- DANGEROUS DRUGS: 25
- ASSAULT 3 & RELATED OFFENSES: 23
- CRIMINAL MISCHIEF & RELATED OF: 18
- Feb 22, 2024 "FAILED TO FILE FISP CYCLE 9C TECHNICAL REPORT BY 2/21/2024"
- Dec 27, 2023
- Nov 10, 2021 "FAILURE TO CERTIFY CORRECTION ON IMMEDIATELY HAZARDOUS (CLASS 1) ECB VIOLATION"
- YOUSSOU DIOP
- 121 CONVENIENCE DELI CORP.
- SYNC CONSTRUCTION LLC
- Harlem Hebrew Language Charter School
- P.S. 149 Sojourner Truth
- Success Academy Charter School - Harlem 1
- JHS 088 Wadleigh
- P.S. 149 Sojourner Truth
- The Opportunity Charter School
- JHS 088 Wadleigh
- Success Academy Charter School - Harlem 1
- The Opportunity Charter School
- 116 St
- 116 St
- 110 St-Malcolm X Plaza
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