858 Knickerbocker Avenue
Top insights
- More open HPD violations than ~64% of buildings in this ZIP (76 open)
- 8 open hazardous (Class C) violations
- Built before 1939 (city records: 1910) — likely subject to NYC lead-paint rules
- Rent-stabilized: 6 of 6 units
About this building
City records list 1910 as the year built — older than 83% of the 132 buildings we cover in ZIP 11207. The building’s floor space is 2.1 times the size of its lot: 4,725 sq ft of building on a 2,250 sq ft lot.
Comparisons with neighboring buildings, as of October 13, 2026.
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
858 Knickerbocker Avenue
Open in Google Street View ↗
- City records show 76 open HPD violations, 8 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 2004 — why has it stayed open this long, and is it in or near this unit?
- DHCR’s most recent registration lists 6 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: Repair or replace the carbon monoxide detecting device(s). missing.
- 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.
858 Knickerbocker Avenue sits in Brooklyn, ZIP 11207. The closest subway is Wilson Av (L) (4-minute walk), served by the L line.
Building Condition
Oldest open violation: September 2004 · Most recent: May 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.
- 2026-05-05 "(A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR…"
- 2025-06-10 "(A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR…"
- 2017-09-30 "§ 27-2046.1 HMC: REPAIR OR REPLACE THE CARBON MONOXIDE DETECTING DEVICE(S). MISSING LOCATED AT B-ROOM 1R, 1st STORY, 1st…"
- 2017-08-25 "§ 27-2005 HMC: POST, IN A FORM APPROVED BY THE COMMISSIONER, AND MAINTAIN A NOTICE IN A COMMON AREA OF THE BUILDING REGA…"
- 2017-08-23 "§ 27-2070 ADM CODE PROVIDE AN ADEQUATE SUPPLY OF GAS TO THE FIXTURES STOVE IN THE KITCHEN LOCATED AT APT 1R, 1st STORY,…"
- Class C · 8 open · penalty 120 · (15/ea)
- Class B · 44 open · penalty 220 · (5/ea)
- Class A · 24 open · penalty 24 · (1/ea)
- 2016-10-19 "FAILURE TO CERTIFY CORRECTION ON IMMEDIATELY HAZARDOUS (CLASS 1) ECB VIOLATION"
- 2016-10-19 "FAILURE TO CERTIFY CORRECTION ON IMMEDIATELY HAZARDOUS (CLASS 1) ECB VIOLATION"
- 2016-10-19 "FAILURE TO CERTIFY CORRECTION ON IMMEDIATELY HAZARDOUS (CLASS 1) ECB VIOLATION"
4 open lead-paint hazard violations on record (most recent 2016). These are HPD violations recorded against the building — not a test of any specific apartment.
3 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.
The Building
Neighborhood & Environment
~1 block 300m
~2-3 blocks
- ASSAULT 3 & RELATED OFFENSES: 54
- HARRASSMENT 2: 54
- PETIT LARCENY: 43
- GRAND LARCENY: 34
- VEHICLE AND TRAFFIC LAWS: 28
- Illegal Parking: 274
- Noise - Residential: 182
- Noise - Commercial: 147
- HEAT/HOT WATER: 117
- Noise - Street/Sidewalk: 116
- 845 KNICKERBOCKER AVENUE
- 839 KNICKERBOCKER AVE
- 830 KNICKERBOCKER AVENUE
- P.S. /I.S. 384 Frances E. Carter
- P.S. 151 Lyndon B. Johnson
- Bushwick Ascend Charter School
- P.S. /I.S. 384 Frances E. Carter
- Bushwick Ascend Charter School
- I.S. 296 - The Anna Gonzalez Community School
- Bushwick Hs
- The Brooklyn School for Math and Research
- Academy for Excellence in Leadership
- Wilson Av
- Halsey St
- Grade A
- Grade A
- Grade A
- Grade A
- Grade A
- Grade A
- Grade A
- Grade A
- P.s. /I.s. 384 Frances E. Carter
- P.s. 151 Lyndon B. Johnson
- Tiger Playground
- Irving Square Park
- Achievement First Charter School Ujima High School
- Achivement First Bushwick Charter School Elementary 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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