4240 Byron Avenue
Class B
Class C
rent-stabilized with
DHCR (most recent year)
units (PLUTO)
12 months through June 2026
rent
min walk
errands grade
nearby
Top insights
- More open HPD violations than ~94% of buildings in this ZIP (149 open)
- 43 open hazardous (Class C) violations
- Built before 1939 (city records: 1928) — likely subject to NYC lead-paint rules
- Rent-stabilized: 7 of 7 units
About this building
City records list 1928 as the year built — older than 76% of the 260 buildings we cover in ZIP 10466. The building’s floor space is 2.3 times the size of its lot: 5,890 sq ft of building on a 2,533 sq ft lot.
Comparisons with neighboring buildings, as of October 20, 2026.
4240 Byron Avenue
Open in Google Street View ↗
- City records show 149 open HPD violations, 43 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 1990 — why has it stayed open this long, and is it in or near this unit?
- DHCR’s most recent registration lists 7 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: Replace or repair the self-closing doors that is missing or defective latch at door….
- 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.
4240 Byron Avenue sits in Bronx, ZIP 10466. The closest subway is 233 St (2,5) (3-minute walk), served by the 2 and 5 lines.
Building Condition
Oldest open violation: April 1990 · Most recent: September 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.
- 2026-09-01
- 2026-09-01
- 2026-09-01 "§ 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE DOOR LOCK AT BASEMENT"
- 2026-09-01
- 2026-05-18
- 2025-06-03
- 2025-05-22
- 2024-06-06
- 2024-05-29
- 2021-05-07
- Class C · 43 open · penalty 645 · (15/ea)
- Class B · 61 open · penalty 305 · (5/ea)
- Class A · 45 open · penalty 45 · (1/ea)
- 2026-08-31 · Apt BLDG · EMERGENCY · DOOR/WINDOW
- 2026-08-31 · Apt BLDG · EMERGENCY · DOOR/WINDOW
- 2026-08-31 · Apt BLDG · EMERGENCY · DOOR/WINDOW
- 2019-11-08 "VIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2017 INSPECTION REPORT"
- 2018-04-06 "VIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2016 INSPECTION REPORT"
- 2008-01-03
16 open lead-paint hazard violations on record (most recent 2025). These are HPD violations recorded against the building — not a test of any specific apartment.
2 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 1928). 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 2025) — a records failure, not evidence of a lead hazard.
The Building
Neighborhood & Environment
~1 block 300m
~2-3 blocks
- HARRASSMENT 2: 67
- PETIT LARCENY: 53
- ASSAULT 3 & RELATED OFFENSES: 49
- VEHICLE AND TRAFFIC LAWS: 38
- GRAND LARCENY: 37
- 4236 WHITE PLAINS RD
- 4237A WHITE PLAINS ROAD
- 4237 WHITE PLAINS RD
- P.S. 103 Hector Fontanez
- P.S. 087 Bronx
- P.S. 021 Philip H. Sheridan
- Academy for Scholarship and Entrepreneurship: A Co
- New World High School
- The Bronxwood Preparatory Academy
- 233 St
- Nereid Av
- Grade A
- Grade A
- Grade A
- Grade A
- Grade A
- Grade A
- Grade A
- Grade A
- Wakefield Library
- Prime Time Healthcare Training Cente
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.
Market & Availability
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