Brooklyn • Walk

636 Kosciuszko St

Brooklyn, NY 11221Company-ownedBBL 3032520014BIN 3074006

Updated Aug 1, 2026 · 16 sources

Year Built1931
Floors3
Units6
Building Area4,500 sqft
ZoningR6
ClassC2
Market Value$1.3M

636 KOSCIUSZKO ST is a property located at 636 KOSCIUSZKO ST, Brooklyn, NY 11221. It is classified as a walk-up apartment - five to six families. The building was constructed in 1931. It has 3 floors and 6 units. The building area is 4,500 square feet on a 2,469 sqft lot. The property is zoned R6. The assessed market value is $1.3M. It last sold for $610K on Jun 7, 2007. Public records list the property as company-owned. There are 8 building permits on record (7 active). There are 71 violations on record (35 currently open). 17 docketed judgments 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

408records on file

Completed in 1931, 636 Kosciuszko St rises 3 stories over Kings. Public records put it at 6 units and 4,500 square feet of floor area, on land zoned R6. It is carried on the public rolls at a market value of $1.3M, and assessed for tax at $573K. In the 52 years its record reaches back, the lot has drawn 408 separate government filings.

The documentary life of the address leans hard toward complaint: 145 of its 408 records, fully 36%, fall under that one heading. Inspection (72) and violation (71) trail well behind. 35 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 2006.

Read together — 36% 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.

$1.3M of Kings, written across 408 government filings.

Property Details

Address636 KOSCIUSZKO ST, Brooklyn, NY 11221
Building TypeWalk-Up Apartment - Five to Six Families
C2
Year Built1931
Floors3
Total Units6
Building Area4,500 sqft
Lot Size2,469 sqft
ZoningR6
ConditionAverage
3032520014
3074006
OwnershipCompany-owned

Assessment & Sales

$1.3M
$573K
$5K
$610K
Last Sale DateJun 7, 2007

Building Permits

8 on record · 7 active
Alteration — Type 2DOB Legacy
PERMIT ISSUED - ENTIRE JOB/WORK
Filed Jan 21, 2010Est. cost $113KJob #310077537-01
Construction EquipmentDOB Legacy
ISSUED
Filed Jan 21, 2010Job #310077537-01-02
PlumbingDOB Legacy
ISSUED
Filed Oct 23, 2009Job #310077537-1-2-hist
Construction EquipmentDOB Legacy
ISSUED
Filed Feb 13, 2008Job #310077537-01-01
PlumbingDOB Legacy
ISSUED
Filed Jan 28, 2008Job #310077537-1-1-hist

+ 3 more permitsview full report

Violations

71 on record · 35 open
Judgments · 17 docketed
Sanitation summons (OATH)JUDGMENT DOCKETED
Docketed Nov 30, 2023Ticket #047887531M
DIRTY AREA
Sanitation summons (OATH)JUDGMENT DOCKETED
Docketed Jan 31, 2020Ticket #0208862950
DIRTY SIDEWALK DIRTY AREA
OATH summonsJUDGMENT DOCKETED
Docketed Feb 28, 2011Ticket #0173429136
DIRTY SIDEWALK DIRTY AREA
FDNY summons (OATH)JUDGMENT DOCKETED
Docketed Mar 29, 2010Ticket #011131809L
PERMITS
FDNY summons (OATH)JUDGMENT DOCKETED
Docketed Mar 29, 2010Ticket #011131810Z
ELECTRICAL LIGHTING HAZARDS

+ 12 more docketed judgmentsview full report

HPDClass B
NOV SENT OUT
Issued Aug 16, 2024#17205006

§ 27-2005, 2007 ADM CODE REMOVE ALL ENCUMBRANCES CONSISTING OF HOUSE HOLD ITEMS AT PUBLIC HALL, 3rd STORY

View this violation's full details & status history →
HPDClass B
NOV SENT OUT
Issued Aug 16, 2024#17205003

§ 27-2005, 2007 ADM CODE REMOVE ALL ENCUMBRANCES CONSISTING OF HOUSE HOLD ITEMS AT PUBLIC HALL, 2nd STORY

View this violation's full details & status history →

+ 69 more violations on record — view full report

Get the Complete Report for 636 KOSCIUSZKO ST

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

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Frequently Asked Questions

When was 636 KOSCIUSZKO ST, Brooklyn built?

The building at 636 KOSCIUSZKO ST, Brooklyn, NY 11221 was constructed in 1931. It is classified as a walk-up apartment - five to six families with 3 floors and 6 units. The building area is 4,500 sqft.

Are there building permits at 636 KOSCIUSZKO ST, Brooklyn?

Yes. 636 KOSCIUSZKO ST, Brooklyn, NY 11221 has 8 building permits on record, with 7 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 2 (PERMIT ISSUED - ENTIRE JOB/WORK) filed Jan 21, 2010.

Does 636 KOSCIUSZKO ST, Brooklyn have violations?

Yes. 636 KOSCIUSZKO ST, Brooklyn, NY 11221 has 71 violations on record, with 35 currently open. Breakdown: 4 DOB, 1 ECB, 66 HPD. Sources: NYC DOB, HPD, and ECB/OATH.

Does 636 KOSCIUSZKO ST, Brooklyn have docketed judgments?

Yes. 636 KOSCIUSZKO ST, Brooklyn, NY 11221 has 17 docketed judgments on record with the NYC Office of Administrative Trials & Hearings (OATH). 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 636 KOSCIUSZKO ST?

636 KOSCIUSZKO ST, Brooklyn, NY 11221 has an assessed market value of $1.3M and a total assessed value of $573K (land: $5K). Assessment data is from the NYC Department of Finance (DOF).

When was 636 KOSCIUSZKO ST last sold?

636 KOSCIUSZKO ST, Brooklyn, NY 11221 last sold for $610K on Jun 7, 2007. Sale records are sourced from NYC ACRIS and Department of Finance rolling sales data.

What is the zoning for 636 KOSCIUSZKO ST?

636 KOSCIUSZKO ST, Brooklyn, NY 11221 is zoned R6. 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 636 KOSCIUSZKO ST?

636 KOSCIUSZKO ST, Brooklyn, NY 11221 is company-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 636 KOSCIUSZKO ST?

Search 636 KOSCIUSZKO ST 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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636 KOSCIUSZKO ST, Brooklyn, NY 11221 — Property Records, Permits, Violations, Tax & Zoning | RegWatch