521 West 125th Street
Class B
Class C
12 months to Aug 2026
rent-stabilized with
DHCR (most recent year)
units (PLUTO)
12 months through June 2026
rent
min walk
(311 complaints)
errands grade
nearby
Top insights
- More open HPD violations than ~85% of buildings in this ZIP (39 open)
- 6 open hazardous (Class C) violations
- Built before 1939 (city records: 1901) — likely subject to NYC lead-paint rules
About this building
The building’s floor space is 2.4 times the size of its lot: 7,032 sq ft of building on a 2,950 sq ft lot.
Comparisons with neighboring buildings, as of November 7, 2026.
521 West 125th Street
Open in Google Street View ↗
- City records show 39 open HPD violations, 6 immediately hazardous (Class C) at this building. Ask which are still unresolved in the unit and the landlord’s timeline to clear them.
- The oldest open violation on record dates to 2003 — why has it stayed open this long, and is it in or near this unit?
- We found no DHCR rent-stabilization unit count for this building. That is not the same as the building being market-rate — a registration can be on file with no unit figure, or not have been filed at all. Ask the landlord directly whether the unit is rent-stabilized, and request your own rent history from DHCR.
- Confirm the condition behind the most recent open violation was actually repaired, not just marked closed: Owner failed to file a valid registration statement with the department as required….
- 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.
521 West 125th Street sits in Manhattan, ZIP 10027. The closest subway is 125 St (1) (3-minute walk), served by the 1 line.
Building Condition
Oldest open violation: March 2003 · Most recent: April 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.
- 2026-04-29
- 2025-11-17
- 2025-06-04
- 2024-11-22
- 2024-04-01
- Class C · 6 open · penalty 90 · (15/ea)
- Class I · 12 open · penalty 12 · (1/ea)
- Class B · 12 open · penalty 60 · (5/ea)
- Class A · 9 open · penalty 9 · (1/ea)
- 2024-04-17
- 2024-03-20
- 2009-01-01
No HPD lead-paint violations are on record for this building. That means no complaint or inspection was filed — not that the building is lead-free.
Built 1901. 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. 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.
The Building
Neighborhood & Environment
~1 block 300m
~2-3 blocks
- HARRASSMENT 2: 209
- PETIT LARCENY: 135
- ASSAULT 3 & RELATED OFFENSES: 128
- GRAND LARCENY: 76
- FELONY ASSAULT: 63
- HEAT/HOT WATER: 549
- UNSANITARY CONDITION: 94
- Illegal Parking: 53
- PLUMBING: 53
- Noise - Residential: 39
- 521 WEST 125 STREET
- 1345 AMSTERDAM AVENUE
- 1345 AMSTERDAM AVE
- Success Academy Charter School - Harlem 6
- P.S. 125 Ralph Bunche
- P.S. 129 John H. Finley
- Powell M.S. for Law & Social Justice
- Urban Assembly Academy for Future Leaders
- P.S. 129 John H. Finley
- Academy for Social Action
- Urban Assembly School for the Performing Arts
- Columbia Secondary School
- 125 St
- 125 St
- Grade A
- Grade A
- Grade A
- Grade A
- Grade A
- Grade A
- Grade A
- Grade A
- Kipp Beyond Charter School
- P.s. 129 John H. Finley
- Innovative Charitable Initiative, Inc.
- Sheltering Arms Playground
- Success Academy Harlem Central Middle School
- Take Wing And Soar Productions, Inc.
Internet providers serving this area
Internet providers available in this area — including fiber:
- Spectrum Cable Fiber Up to 1,000 Mbps down · 1,000 Mbps up
- Verizon Fiber Up to 980 Mbps down · 880 Mbps up
How to check internet providers before signing an NYC lease →
Source: FCC Broadband Data Collection (NY, rev. May 2026). Wired broadband only — cable + fiber. DSL, satellite, and fixed-wireless not included. Block-level data; actual availability may vary by building.
Market & Availability
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