4520 12th Avenue
Top insights
- More open HPD violations than ~96% of buildings in this ZIP (206 open)
- 62 open hazardous (Class C) violations
- More HPD complaints than the neighborhood average (57 vs ~7)
- Built in 1940
- Rent-stabilized: 47 of 48 units
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
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.
4520 12th Avenue
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- City records show 206 open HPD violations, 62 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 2019 — why has it stayed open this long, and is it in or near this unit?
- DHCR’s most recent registration lists 47 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 set….
- 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.
4520 12th Avenue sits in Brooklyn, ZIP 11219. The closest subway is 50 St (D) (4-minute walk), served by the D line.
Building Condition
Oldest open violation: February 2019 · 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.
- 2026-09-11 "§ 27-2005, 27-2007, 27-2041.1 HMC, §238, § 309; § 107 (2) ( C) MDL AND 28 RCNY §25-171: REPLACE OR REPAIR THE SELF-CLOSI…"
- 2026-09-11 "§ 27-2005, 27-2007, 27-2041.1 HMC, §238, § 309; § 107 (2) ( C) MDL AND 28 RCNY §25-171: REPLACE OR REPAIR THE SELF-CLOSI…"
- 2026-09-11 "§ 27-2005, 27-2007, 27-2041.1 HMC, §238, § 309; § 107 (2) ( C) MDL AND 28 RCNY §25-171: REPLACE OR REPAIR THE SELF-CLOSI…"
- 2026-09-11 "§ 27-2005, 27-2007, 27-2041.1 HMC, §238, § 309; § 107 (2) ( C) MDL AND 28 RCNY §25-171: REPLACE OR REPAIR THE SELF-CLOSI…"
- 2026-09-11 "§ 27-2026, 2027 HMC: PROPERLY REPAIR THE SOURCE AND ABATE THE EVIDENCE OF A WATER LEAK AT CEILING IN THE 2nd BATHROOM FR…"
- 2026-08-20
- 2026-08-08
- 2026-07-15
- 2026-07-15
- 2026-07-06
- Class C · 62 open · penalty 930 · (15/ea)
- Class I · 1 open · penalty 1 · (1/ea)
- Class B · 107 open · penalty 535 · (5/ea)
- Class A · 36 open · penalty 36 · (1/ea)
- 2026-07-27 · Apt C3 · EMERGENCY · UNSANITARY CONDITION
- 2026-07-27 · Apt C3 · IMMEDIATE EMERGENCY · PAINT/PLASTER
- 2026-07-27 · Apt BLDG · NON EMERGENCY · UNSANITARY CONDITION
- 2025-06-26
- 2025-02-13
- 2024-11-07
- 2024-09-05
- 2011-12-14
- 2005-10-01
- 1997-09-16
3 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.
10 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 1940). 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: 3 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
- PETIT LARCENY: 35
- HARRASSMENT 2: 31
- GRAND LARCENY: 21
- ASSAULT 3 & RELATED OFFENSES: 20
- FELONY ASSAULT: 13
- Illegal Parking: 58
- HEAT/HOT WATER: 51
- General Construction/Plumbing: 40
- UNSANITARY CONDITION: 28
- PLUMBING: 26
- 4515 12 AVENUE
- 1145 47TH ST
- 4626 NEW UTRECHT AVENUE
- P.S. 131 Brooklyn
- P.S. 160 William T. Sampson
- P.S. 164 Caesar Rodney
- J.H.S. 220 John J. Pershing
- J.H.S. 223 The Montauk
- Urban Assembly School for Criminal Justice
- West Brooklyn Community High School
- Urban Assembly School for Criminal Justice
Levels add up to 8 because a school serving K-8 is listed under both Elementary and Middle. 7 distinct schools are within range.
- 50 St
- Fort Hamilton Pkwy
- Grade A
- Grade A
- Grade A
- Grade A
- Grade A
- Grade A
- Grade A
- Grade A
- Shema Kolainu-Hear Our Voices
- Yesodei Bina Inc
- Borough Park Library
- Alben Square
- Darkei Chaim
- Beth Jacob Of Boro Park
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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