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645 Knickerbocker Avenue

Brooklyn, NY 11221BBL 3-03365-0108Map

Owner of record: Red Development INC

645 Knickerbocker Avenue is a walk-up apartment building built in 1915 in Brooklyn, 11221. It has 5 residential units across 4 floors. The owner of record is Red Development INC. HPD has recorded 11 housing violations here, most recently on November 24, 2025. 11 of the 11 most recent violations are still open.

HPD violations
11
DOB violations
0
ECB violations
0
HPD complaints
0

What to know

Concern
1 open Class C

Immediately hazardous issues among recent violations are still open.

Good
Last violation Nov 24, 2025

Date of the most recent HPD inspection that found a problem.

Good
No unpaid ECB fines

No balance due on recent ECB violations.

Rent stabilization

No rent-stabilized units in 2018–2024 tax bills

Some apartments can still be regulated. Use the rent-stabilized checker or request the rent history from HCR.

Violations

Most recent first. Showing up to 50 per agency.

HPD housing violations · 11

  • I

    And is therefore subject to civil penalties, prohibited from certifying violations, and denied the right to recover possession of premises for nonpayment of rent until a valid registration statement is filed.

    Nov 24, 2025

    Open — Info nov sent out
  • I

    And is therefore subject to civil penalties, prohibited from certifying violations, and denied the right to recover possession of premises for nonpayment of rent until a valid registration statement is filed.

    Dec 4, 2024

    Open — Info nov sent out
  • I

    And is therefore subject to civil penalties, prohibited from certifying violations, and denied the right to recover possession of premises for nonpayment of rent until a valid registration statement is filed.

    Nov 28, 2023

    Open — Info nov sent out
  • I

    And is therefore subject to civil penalties, prohibited from certifying violations, and denied the right to recover possession of premises for nonpayment of rent until a valid registration statement is filed.

    Nov 17, 2022

    Open — Info nov sent out
  • I

    And is therefore subject to civil penalties, prohibited from certifying violations, and denied the right to recover possession of premises for nonpayment of rent until a valid registration statement is filed.

    Mar 16, 2022

    Open — Info nov sent out
  • I

    And is therefore subject to civil penalties, prohibited from certifying violations, and denied the right to recover possession of premises for nonpayment of rent until a valid registration statement is filed.

    Apr 21, 2021

    Open — Info nov sent out
  • I

    And is therefore subject to civil penalties, prohibited from certifying violations, and denied the right to recover possession of premises for nonpayment of rent until a valid registration statement is filed.

    Nov 7, 2019

    Open — Info nov sent out
  • I

    And is therefore subject to civil penalties, prohibited from certifying violations, and denied the right to recover possession of premises for nonpayment of rent until a valid registration statement is filed.

    Jan 8, 2018

    Open — Info nov sent out
  • A

    Paint with light colored paint to the satisfaction of this department walls and ceilings in the entire apartment located at apt 2l, 2nd story, apartment at east

    Apr 26, 2002 · Apt 2L

    Open — Nov sent out
  • A

    Paint with light colored paint to the satisfaction of this department ceiling and walls throughout in the entire apartment located at apt 2 fl, 2nd story

    Feb 1, 2002 · Apt 2 FL

    Open — Nov sent out
Show 1 more ↓
  • C

    Remove the illegal fastening double cylinder key operated lock installed at metal door, entrance to building from street at front areaway

    Feb 1, 2002

    Open — Nov sent out

DOB building violations · 0

No DOB violations on record

ECB violations · 0

No ECB violations on record

Complaints

No HPD complaints in our records

Complaint data is still being backfilled from NYC Open Data.

Sales history

No recorded sales in our data

Sales come from the NYC Department of Finance rolling sales file.

Building details

Building type
Walk-up apartment building (C2)
Year built
1915
Floors
4
Residential units
5
Building area
3,898 ft²
Lot area
1,760 ft²
Zoning
R6
Community board
304
Council district
37
Block / lot
3365 / 108
Assessed value
$482,850
Landmark / historic district
No

HPD registration #815646, last renewed Jul 5, 2016.

Questions about 645 Knickerbocker Avenue

Who owns 645 Knickerbocker Avenue?

The owner of record in NYC Department of City Planning PLUTO data is Red Development INC.

Does 645 Knickerbocker Avenue have violations?

Yes. NYC HPD has recorded 11 housing violations at this property.

Is 645 Knickerbocker Avenue rent stabilized?

No rent-stabilized units appear in its 2018–2024 tax bills. Individual apartments can still be regulated, so request the rent history from NYS Homes and Community Renewal if unsure.

When was 645 Knickerbocker Avenue built?

City records list 1915 as the year it was built.

How many apartments are in 645 Knickerbocker Avenue?

It has 5 residential units.

Source: NYC Open Data (DCP PLUTO, HPD, DOB, ECB/OATH, DOF). Records can lag the city's systems. Data refreshed weekly.