Brooklyn • Elevator Apartment

54 Knickerbocker Ave

Brooklyn, NY 11237Individually ownedBBL 3030030012BIN 3070662

Updated Aug 1, 2026 · 16 sources

Year Built1931
Floors4
Units32
Building Area40,760 sqft
ZoningM1-1
ClassD3
Market Value$5.8M

54 KNICKERBOCKER AVE is a property located at 54 KNICKERBOCKER AVE, Brooklyn, NY 11237. It is classified as a elevator apartment - fireproof without stores. The building was constructed in 1931. It has 4 floors and 32 units. The building area is 40,760 square feet on a 10,190 sqft lot. The property is zoned M1-1. The assessed market value is $5.8M. Public records list the property as individually owned. There are 21 building permits on record (11 active). There are 98 violations on record (71 currently open). 41 docketed judgments carrying $6,887 in open balances are on record with OATH. Data sourced from NYC Department of Buildings (DOB), Housing Preservation & Development (HPD), Department of Finance (DOF), and other government agencies.

A RegWatch Dossier

378records on file
81Energy Star

Completed in 1931, 54 Knickerbocker Ave rises 4 stories over Kings. Public records put it at 32 units and 40,760 square feet of floor area, on land zoned M1-1. It is carried on the public rolls at a market value of $5.8M, and assessed for tax at $2.6M. In the 52 years its record reaches back, the lot has drawn 378 separate government filings.

The documentary life of the address leans hard toward complaint: 109 of its 378 records, fully 29%, fall under that one heading. Violation (98) and enforcement (73) trail well behind. 71 violations stand open against it today.

The pace is anything but even. The early decades pass in near silence; the filings cluster heavily in recent years, peaking in 2004.

On the environmental ledger, the building posts an Energy Star score of 81, with a site energy-use intensity of 41.8 kBtu per square foot. Its operations answer for roughly 151 metric tons of CO2-equivalent a year.

Read together — 29% complaint, 52 years of accumulation, a parcel of Kings — these scattered records compose a portrait of the address that no single page sets out to draw.

$5.8M of Kings, written across 378 government filings.

Property Details

Address54 KNICKERBOCKER AVE, Brooklyn, NY 11237
Building TypeElevator Apartment - Fireproof Without Stores
D3
Year Built1931
Floors4
Total Units32
Building Area40,760 sqft
Lot Size10,190 sqft
ZoningM1-1
ConditionAverage
3030030012
3070662
OwnershipIndividually owned

Assessment & Sales

$5.8M
$2.6M
$275K

Building Permits

21 on record · 11 active
Alteration — Type 1DOB Legacy
PLAN EXAM - DISAPPROVED
Filed Jun 7, 2023Est. cost $50KJob #321470485-01
Alteration — Type 2DOB Legacy
PERMIT ISSUED - ENTIRE JOB/WORK
Filed Jan 22, 2018Est. cost $5KJob #321701967-01
PlumbingDOB Legacy
ISSUED
Filed Jan 3, 2018Job #321701967-01-01
Alteration — Type 1DOB Legacy
PLAN EXAM - DISAPPROVED
Filed Nov 30, 2015Est. cost $50KJob #321257894-01
Alteration — Type 1DOB Legacy
PERMIT ISSUED - ENTIRE JOB/WORK
Filed Oct 31, 2008Est. cost $220KJob #301779369-01

+ 16 more permitsview full report

Violations

98 on record · 71 open
Open judgment balance — docketed OATH judgments$6,887
Judgments · 41 docketed
Sanitation summons (OATH)JUDGMENT DOCKETED
Docketed Mar 31, 2025Balance $300Ticket #048629582R
STORAGE OF RECEPTACLES PLACED OUT PRIOR TO 8PM WITHOUT A RECEPTACLE
Sanitation summons (OATH)JUDGMENT DOCKETED
Docketed Feb 28, 2025Balance $300Ticket #048463442H
STORAGE OF RECEPTACLES PLACED OUT PRIOR TO 8PM WITHOUT A RECEPTACLE
DOB summons (OATH)JUDGMENT DOCKETED
Docketed Jun 30, 2024Balance $312Ticket #039079162K
FAILURE TO MAINTAIN BUILDING IN CODE-COMPLIANT MANNER
FDNY summons (OATH)JUDGMENT DOCKETED
Docketed May 31, 2021Ticket #011750045N
FIRE PROTECTION SYSTEMS
Sanitation summons (OATH)JUDGMENT DOCKETED
Docketed Jun 30, 2019Balance $300Ticket #0205229256
LOOSE RUBBISH

+ 36 more docketed judgmentsview full report

DOB LegacyE
ACTIVE
Issued Apr 29, 2021#2523791
DOB LegacyE
ACTIVE
Issued Apr 17, 2020#2456743
DOB LegacyElevator
ACTIVE
Issued Apr 5, 2019#2343386

VIOLATION ISSUED TO ELEVATOR - FAILURE TO FILE CATEGORY 1 2017 INSPECTION/TEST

View this violation's full details & status history →
DOB LegacyE
ACTIVE
Issued Apr 1, 2019#2337440
DOB LegacyAEUHAZ1
ACTIVE
Issued Aug 9, 2018#2310613

FAILURE TO CERTIFY CORRECTION ON IMMEDIATELY HAZARDOUS (CLASS 1) ECB VIOLATION

View this violation's full details & status history →

+ 93 more violations on record — view full report

Get the Complete Report for 54 KNICKERBOCKER AVE

Title history, detailed tax records, environmental data, zoning analysis, and more from 250+ government sources.

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Frequently Asked Questions

When was 54 KNICKERBOCKER AVE, Brooklyn built?

The building at 54 KNICKERBOCKER AVE, Brooklyn, NY 11237 was constructed in 1931. It is classified as a elevator apartment - fireproof without stores with 4 floors and 32 units. The building area is 40,760 sqft.

Are there building permits at 54 KNICKERBOCKER AVE, Brooklyn?

Yes. 54 KNICKERBOCKER AVE, Brooklyn, NY 11237 has 21 building permits on record, with 11 currently active. Permits are sourced from the NYC Department of Buildings (DOB Legacy and DOB NOW systems). The most recent permit is a Alteration — Type 1 (PLAN EXAM - DISAPPROVED) filed Jun 7, 2023.

Does 54 KNICKERBOCKER AVE, Brooklyn have violations?

Yes. 54 KNICKERBOCKER AVE, Brooklyn, NY 11237 has 98 violations on record, with 71 currently open. Breakdown: 49 DOB, 49 ECB. Sources: NYC DOB, HPD, and ECB/OATH.

Does 54 KNICKERBOCKER AVE, Brooklyn have docketed judgments?

Yes. 54 KNICKERBOCKER AVE, Brooklyn, NY 11237 has 41 docketed judgments on record with the NYC Office of Administrative Trials & Hearings (OATH), with an open balance of $6,887. A docketed judgment is an enforceable money judgment entered by OATH after a hearing on a summons issued at this property; where the respondent is the property owner it can attach to the property as a lien.

What is the property tax assessment for 54 KNICKERBOCKER AVE?

54 KNICKERBOCKER AVE, Brooklyn, NY 11237 has an assessed market value of $5.8M and a total assessed value of $2.6M (land: $275K). Assessment data is from the NYC Department of Finance (DOF).

What is the zoning for 54 KNICKERBOCKER AVE?

54 KNICKERBOCKER AVE, Brooklyn, NY 11237 is zoned M1-1. Zoning data is from the NYC Department of City Planning (DCP). For detailed FAR, overlays, and development rights, view the full property report on RegWatch.

Who owns 54 KNICKERBOCKER AVE?

54 KNICKERBOCKER AVE, Brooklyn, NY 11237 is individually owned according to public records. Ownership data is from NYC Department of Finance assessment rolls. View the current owner of record and registered contacts in the full property report on RegWatch.

How do I get a full property report for 54 KNICKERBOCKER AVE?

Search 54 KNICKERBOCKER AVE on RegWatch to see its public record free — violations, permits, tax records, zoning, environmental data, and more from 250+ government sources, no credit card required. A Full Analysis report adds the complete title history, owner contacts, and a downloadable PDF.

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54 KNICKERBOCKER AVE, Brooklyn, NY 11237 — Property Records, Permits, Violations, Tax & Zoning | RegWatch