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Brooklyn • Elevator Apartment

275 Kosciuszko St

Brooklyn, NY 11221Company-ownedBBL 3017810061BIN 3398195
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Updated Aug 1, 2026 · 16 sources

Year Built2011
Floors6
Units46
Building Area30,919 sqft
ZoningR6B
ClassD1
Market Value$4.5M

275 KOSCIUSZKO ST is a property located at 275 KOSCIUSZKO ST, Brooklyn, NY 11221. It is classified as a elevator apartment - semi-fireproof. The building was constructed in 2011. It has 6 floors and 46 units. The building area is 30,919 square feet on a 7,300 sqft lot. The property is zoned R6B. The assessed market value is $4.5M. Public records list the property as company-owned. There are 37 building permits on record (26 active). There are 132 violations on record (35 currently open). 16 docketed judgments carrying $2,275 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

511records on file
44Energy Star

Completed in 2011, 275 Kosciuszko St rises 6 stories over Kings. Public records put it at 46 units and 30,919 square feet of floor area, on land zoned R6B. It is carried on the public rolls at a market value of $4.5M, and assessed for tax at $2.0M. In the 57 years its record reaches back, the lot has drawn 511 separate government filings.

The documentary life of the address leans hard toward complaint: 189 of its 511 records, fully 37%, fall under that one heading. Violation (132) and inspection (84) 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 2025.

On the environmental ledger, the building posts an Energy Star score of 44, with a site energy-use intensity of 77.4 kBtu per square foot. Its operations answer for roughly 188 metric tons of CO2-equivalent a year.

Read together — 37% complaint, 57 years of accumulation, a parcel of Kings — these scattered records compose a portrait of the address that no single page sets out to draw.

$4.5M of Kings, written across 511 government filings.

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Sources
NYC DOBNYC HPDNYC DOFACRISNYC DCPECB/OATHNYC DEPNYC LPCNYC FDNYNYS DHCRMOCEJFEMAEPAUS CensusHUDUSGS
updated

Property Details

Address275 KOSCIUSZKO ST, Brooklyn, NY 11221
Building TypeElevator Apartment - Semi-Fireproof
D1
Year Built2011
Floors6
Total Units46
Building Area30,919 sqft
Lot Size7,300 sqft
ZoningR6B
ConditionAverage
3017810061
3398195
OwnershipCompany-owned

Assessment & Sales

$4.5M
$2M
$43K

Building Permits

37 on record · 26 active
New BuildingDOB Legacy
SIGNED OFF
Filed Apr 18, 2013Job #320230601-01

GEN. CONSTR

View this permit's full record & inspection history →
New BuildingDOB Legacy
SIGNED OFF
Filed Apr 18, 2013Job #320230601-02
View this permit's full record & inspection history →
New BuildingDOB Legacy
SIGNED OFF
Filed Apr 18, 2013Job #320230601-03

STRUCTURAL

View this permit's full record & inspection history →
Cats RegistrationOther
EXPIRED
Filed Mar 27, 2013Job #42488
View this permit's full record & inspection history →
Cats RegistrationOther
EXPIRED
Filed Mar 27, 2013Job #33683
View this permit's full record & inspection history →

+ 32 more permits — view full report

Violations

132 on record · 35 open
Open judgment balance — docketed OATH judgments$2,275
Judgments · 16 docketed
Sanitation summons (OATH)JUDGMENT DOCKETED
Docketed Mar 31, 2026Balance $300Ticket #049358619X
FAILURE TO CLEAN 18 INCHES INTO STREET
FDNY summons (OATH)JUDGMENT DOCKETED
Docketed Jan 31, 2026Balance $1,000Ticket #014195793H
INSPECTION AND TESTING
FDNY summons (OATH)JUDGMENT DOCKETED
Docketed Mar 31, 2025Balance $975Ticket #012157086Z
FIRE PROTECTION SYSTEMS:FAIL TO PREVENT UNNECESSARY UNWARRANTED ALARMS
DOB summons (OATH)JUDGMENT DOCKETED
Docketed Jun 30, 2022Ticket #038273165Z
FAILURE TO MAINTAIN ELEVATOR OR CONVEYING SYSTEM
Sanitation summons (OATH)JUDGMENT DOCKETED
Docketed Nov 30, 2021Ticket #047183162K
LOOSE RUBBISH

+ 11 more docketed judgments — view full report

HPDClass B
NOV CERTIFIED ON TIME
Issued Jun 17, 2026#19019643

§ 27-2005 ADM CODE PROPERLY SECURE THE LOOSE SINK AT WASHBASIN IN THE BATHROOM LOCATED AT APT 3C, 3rd STORY, 1st APARTMENT FROM EAST AT SOUTH

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HPDClass B
NOV CERTIFIED ON TIME
Issued Jun 17, 2026#19019635

§ 27-2026 ADM CODE REPAIR THE FLUSHING APPARATUS AND MAINTAIN SAME SO AS TO FLUSH EFFECTIVELY THE WATER CLOSET .. IN THE BATHROOM LOCATED AT APT 3C, 3rd STORY, 1st APARTMENT FROM EAST AT SOUTH

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HPDClass B
NOV CERTIFIED ON TIME
Issued Jun 17, 2026#19019645

§ 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE RUBBER GASKET AT REFRIGERATOR DOOR IN THE KITCHEN LOCATED AT APT 3C, 3rd STORY, 1st APARTMENT FROM EAST AT SOUTH

View this violation's full details & status history →
HPDClass A
NOV SENT OUT
Issued Oct 17, 2025#18314690

§ 27-2005 HMC: REFIT ENTRY DOOR IN THE BATHROOM LOCATED AT APT 3C, 3rd STORY, 1st APARTMENT FROM EAST AT SOUTH

View this violation's full details & status history →
HPDClass B
NOV CERTIFIED LATE
Issued Oct 8, 2025#18294012

§ 27-2045(B)(1)(A) HMC, § 12-01, § 12-03 RCNY REPAIR, REPLACE OR PROVIDE AN APPROVED AND OPERATIONAL SMOKE DETECTING DEVICE, INSTALLED IN ACCORDANCE WITH DEPARTMENT OF BUILDINGS RULES AND REGULATIONS DEFECTIVE IN THE PRIVATE HALLWAY LOCATED AT APT 3C, 3rd STORY, 1st APARTMENT FROM EAST AT SOUTH

View this violation's full details & status history →

+ 127 more violations on record — view full report

Get the Complete Report for 275 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 275 KOSCIUSZKO ST, Brooklyn built?

The building at 275 KOSCIUSZKO ST, Brooklyn, NY 11221 was constructed in 2011. It is classified as a elevator apartment - semi-fireproof with 6 floors and 46 units. The building area is 30,919 sqft.

Are there building permits at 275 KOSCIUSZKO ST, Brooklyn?

Yes. 275 KOSCIUSZKO ST, Brooklyn, NY 11221 has 37 building permits on record, with 26 currently active. Permits are sourced from the NYC Department of Buildings (DOB Legacy and DOB NOW systems). The most recent permit is a New Building (SIGNED OFF) filed Apr 18, 2013.

Does 275 KOSCIUSZKO ST, Brooklyn have violations?

Yes. 275 KOSCIUSZKO ST, Brooklyn, NY 11221 has 132 violations on record, with 35 currently open. Breakdown: 23 DOB, 1 ECB, 108 HPD. Sources: NYC DOB, HPD, and ECB/OATH.

Does 275 KOSCIUSZKO ST, Brooklyn have docketed judgments?

Yes. 275 KOSCIUSZKO ST, Brooklyn, NY 11221 has 16 docketed judgments on record with the NYC Office of Administrative Trials & Hearings (OATH), with an open balance of $2,275. 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 275 KOSCIUSZKO ST?

275 KOSCIUSZKO ST, Brooklyn, NY 11221 has an assessed market value of $4.5M and a total assessed value of $2M (land: $43K). Assessment data is from the NYC Department of Finance (DOF).

What is the zoning for 275 KOSCIUSZKO ST?

275 KOSCIUSZKO ST, Brooklyn, NY 11221 is zoned R6B. 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 275 KOSCIUSZKO ST?

275 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 275 KOSCIUSZKO ST?

Search 275 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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275 KOSCIUSZKO ST, Brooklyn, NY 11221 — Property Records, Permits, Violations, Tax & Zoning | RegWatch