523 West 143rd Street
Class B
Class C
12 months to Aug 2026
rent-stabilized with
DHCR (most recent year)
units (PLUTO)
12 months through March 2026
rent
min walk
(311 complaints)
errands grade
nearby
Top insights
- More open HPD violations than ~82% of buildings in this ZIP (62 open)
- 11 open hazardous (Class C) violations
- Built before 1939 (city records: 1910) — likely subject to NYC lead-paint rules
About this building
The building’s floor space is 4.2 times the size of its lot: 29,520 sq ft of building on a 7,077 sq ft lot.
Comparisons with neighboring buildings, as of November 10, 2026.
523 West 143rd Street
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- City records show 62 open HPD violations, 11 immediately hazardous (Class C) under 521 West 143 Street — the address HPD files this building’s records under, not the address on this page. Ask which are still unresolved in the unit and the landlord’s timeline to clear them.
- The oldest open violation on record dates to 1988 — why has it stayed open this long, and is it in or near this unit?
- Confirm the condition behind the most recent open violation was actually repaired, not just marked closed: Properly repair or replace the broken or defective broken glass door at wall cabinet.
- Confirm in person that the immediately-hazardous (Class C) conditions — typically heat, hot water, leaks, mold or pests — are genuinely fixed, not just marked closed.
523 West 143rd Street sits in Manhattan, ZIP 10031. The closest subway is 145 St (1) (2-minute walk), served by the 1 line.
Building Condition
Oldest open violation: August 1988 · Most recent: July 2026. HPD marks a violation open until it is certified as corrected, so an old date can mean an unresolved condition or a repair that was never certified.
- 2026-07-02
- 2026-07-02
- 2026-07-02
- 2026-07-02
- 2026-07-02
- 2026-07-02
- 2026-07-02
- Class C · 11 open · penalty 165 · (15/ea)
- Class B · 32 open · penalty 160 · (5/ea)
- Class A · 19 open · penalty 19 · (1/ea)
- 2026-05-25 · Apt 6A · NON EMERGENCY · FLOORING/STAIRS
- 2026-05-25 · Apt 6A · NON EMERGENCY · WATER LEAK
- 2026-05-25 · Apt 6A · NON EMERGENCY · DOOR/WINDOW
- 2015-10-21 "FAILURE TO CERTIFY CORRECTION ON IMMEDIATELY HAZARDOUS (CLASS 1) ECB VIOLATION"
- 2014-05-30 "VIO ISSUED TO ELEVATOR - FAIL TO CORRECT DEFECTS ON 2012 CAT 1 INSP/TST"
- 2014-03-31 "VIOLATION ISSUED TO ELEVATOR-FAILURE TO FILE CATEGORY 1 2012 INSPECTION/TEST"
1 open lead-paint hazard violation on record (most recent 2019). These are HPD violations recorded against the building — not a test of any specific apartment.
8 earlier hazards cited and remediated.
Under NYC Local Law 1 (Admin Code §27-2056.5), lead paint is presumed present in common areas and in apartments where a child under 6 resides, in multiple dwellings built before 1960 (this building: built 1910). The presumption stands unless the owner obtained a lead-free or lead-safe exemption from HPD. Those exemption records aren’t published as open data, so we can’t confirm one either way.
Also on record: 4 procedural §27-2056 violations (failure to file required lead paperwork, most recent 2023) — a records failure, not evidence of a lead hazard.
The Building
Neighborhood & Environment
~1 block 300m
~2-3 blocks
- HARRASSMENT 2: 158
- PETIT LARCENY: 153
- DANGEROUS DRUGS: 91
- ASSAULT 3 & RELATED OFFENSES: 82
- GRAND LARCENY: 79
- Noise - Street/Sidewalk: 685
- HEAT/HOT WATER: 467
- Noise - Residential: 331
- Illegal Parking: 314
- UNSANITARY CONDITION: 172
- 523 W 143RD ST
- 3501 BROADWAY
- 3516 BROADWAY
- P.S. 153 Adam Clayton Powell
- Hamilton Heights School
- Neighborhood Charter School of Harlem
- Neighborhood Charter School of Harlem
- Hamilton Grange Middle School
- New Heights Academy Charter School
- High School for Mathematics, Science and Engineeri
- New Heights Academy Charter School
- A. Philip Randolph Campus High School
- 145 St
- 137 St-City College
- 145 St
- Grade A
- Grade A
- Grade A
- Grade A
- Grade A
- Grade A
- Grade A
- Grade A
- Frank White Memorial Garden
- New Heights Academy Charter School
- Tribeca New Music, Inc.
- North River Water Poll Ctrl Pl
- Firelight Media, Inc.
- Hamilton Grange Library
Internet & Connectivity
How to check internet providers before signing an NYC lease →
Source: NYC Internet Master Plan (2021) / FCC Census Block lookup. Block-level data; actual availability may vary by building.
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