521 Commonwealth Avenue
Class B
Class C
12 months to Sep 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
- 1 open hazardous (Class C) violation
- Built before 1939 (city records: 1932) — likely subject to NYC lead-paint rules
- Rent-stabilized: 60 of 61 units
About this building
City records list 1932 as the year built — older than 82% of the 97 buildings we cover in ZIP 10473. 61 apartments — the most of any of the 8 buildings we cover on this block. The building’s floor space is 2.4 times the size of its lot: 46,680 sq ft of building on a 19,167 sq ft lot.
Comparisons with neighboring buildings, as of October 31, 2026.
A difference between the DHCR rent-stabilized count and the PLUTO total is common and does not, on its own, indicate a violation: units can leave rent stabilization legally, the two datasets count units differently, some units may be non-residential, and a registration can be filed incompletely. To check your own apartment, see how to request your rent history from DHCR.
521 Commonwealth Avenue
Open in Google Street View ↗
- City records show 3 open HPD violations, 1 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 2024 — why has it stayed open this long, and is it in or near this unit?
- DHCR’s most recent registration lists 60 rent-stabilized units here. Ask whether this specific unit is one of them, and ask the landlord for its legal regulated rent and lease history.
- Confirm the condition behind the most recent open violation was actually repaired, not just marked closed: Abate the nuisance consisting of evidence of rats and all underlying causes creating….
- 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 Commonwealth Avenue sits in Bronx, ZIP 10473. No subway stations are within an 800-meter walk — expect to rely on buses or rideshare.
Building Condition
Oldest open violation: September 2024 · Most recent: October 2025. 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.
- 2025-10-05
- 2025-10-05
- 2024-08-29
- 2025-10-05
- Class C · 1 open · penalty 15 · (15/ea)
- Class B · 1 open · penalty 5 · (5/ea)
- Class A · 1 open · penalty 1 · (1/ea)
- 2025-09-29 · Apt G63 · NON EMERGENCY · UNSANITARY CONDITION
- 2025-09-24 · Apt H55 · NON EMERGENCY · PAINT/PLASTER
- 2025-09-24 · Apt H55 · NON EMERGENCY · GENERAL
- 2025-11-14 "VIOLATION ISSUED-FAILURE TO FILE 2024 EXTERNAL LOW PRESSURE INSPECTION"
- 2024-09-23 "VIOLATION ISSUED-FAILURE TO FILE 2023 EXTERNAL LOW PRESSURE INSPECTION"
- 2024-05-03 "FAILURE TO FILE BENCHMARKING REPORT OF ENERGY USE AS PER AD. CODE SEC. 28-309.4"
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 1932. 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: 89
- ASSAULT 3 & RELATED OFFENSES: 55
- FELONY ASSAULT: 35
- CRIMINAL MISCHIEF & RELATED OF: 30
- PETIT LARCENY: 28
- Noise - Street/Sidewalk: 298
- Noise - Residential: 210
- Illegal Parking: 118
- HEAT/HOT WATER: 102
- Water System: 71
- 534 COMMONWEALTH AVE
- 558 COMMONWEALTH AVE
- 558 COMMONWEALTH AVE
- P.S. 069 Journey Prep School
- P.S. 107
- Grand Concourse Charter School
- I.S. 174 Eugene T. Maleska
- Archimedes Academy for Math, Science and Technolog
- The Bronx Mathematics Preparatory School
- Archimedes Academy for Math, Science and Technolog
- Women's Academy of Excellence
- Grade A
- Grade A
- Grade A
- Holy Cross School
- Soundview Park
- Soundview Library
- P.s. 107
- Icahn Charter School 7 Middle School
- P.s. 069 Journey Prep School
Internet providers serving this area
Internet providers available in this area — including fiber:
- Optimum Cable Fiber Up to 8,000 Mbps down · 8,000 Mbps up
- Verizon Fiber Up to 2,300 Mbps down · 2,300 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.
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