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Brooklyn • Education

343 Warren St

Brooklyn, NY 11201Company-ownedBBL 3003910056BIN 3006144
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Updated Aug 1, 2026 · 16 sources

Year Built1974
Floors3
Units3
Building Area20,000 sqft
ZoningR6B
ClassW9
Market Value$5.8M

343 WARREN ST is a property located at 343 WARREN ST, Brooklyn, NY 11201. It is classified as a education - miscellaneous. The building was constructed in 1974. It has 3 floors and 3 units. The building area is 20,000 square feet on a 10,000 sqft lot. The property is zoned R6B. The assessed market value is $5.8M. It last sold for $4.2M on Jul 1, 2008. Public records list the property as company-owned. There are 58 building permits on record (34 active). There are 12 violations on record (0 currently open). 2 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

129records on file

Completed in 1974, 343 Warren St rises 3 stories over Kings. Public records put it at 3 units and 20,000 square feet of floor area, on land zoned R6B. It is carried on the public rolls at a market value of $5.8M, and assessed for tax at $2.6M. In the 55 years its record reaches back, the lot has drawn 129 separate government filings.

The documentary life of the address leans hard toward permit: 58 of its 129 records, fully 45%, fall under that one heading. Enforcement (18) and violation (12) trail well behind. No 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 2021.

On the environmental ledger, the building is benchmarked under Local Law 84, with a site energy-use intensity of 43.0 kBtu per square foot. Its operations answer for roughly 143 metric tons of CO2-equivalent a year.

Read together — 45% permit, 55 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 129 government filings.

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

Property Details

Address343 WARREN ST, Brooklyn, NY 11201
Building TypeEducation - Miscellaneous
W9
Year Built1974
Floors3
Total Units3
Building Area20,000 sqft
Lot Size10,000 sqft
ZoningR6B
3003910056
3006144
OwnershipCompany-owned

Assessment & Sales

$5.8M
$2.6M
$162K
$4.2M
Last Sale DateJul 1, 2008

Building Permits

58 on record · 34 active
General ConstructionDOB NOW
PERMIT ISSUED
Filed May 21, 2026Est. cost $20KJob #B01393132-I1

Initial Permit

View this permit's full record & inspection history →
General ConstructionDOB NOW
PERMIT ISSUED
Filed May 21, 2026Est. cost $20KJob #B01393132-I1
View this permit's full record & inspection history →
Alteration — Type 2DOB Legacy
SIGNED OFF
Filed Oct 7, 2022Est. cost $700KJob #321956424-02
View this permit's full record & inspection history →
Alteration — Type 2DOB Legacy
SIGNED OFF
Filed Oct 7, 2022Est. cost $1.5MJob #321956424-01

GEN. CONSTR.

View this permit's full record & inspection history →
General ConstructionDOB NOW
LOC ISSUED
Filed Mar 23, 2022Est. cost $1KJob #B00478620-I1
View this permit's full record & inspection history →

+ 53 more permits — view full report

Violations

12 on record · none currently open
Judgments · 2 docketed
DOB summons (OATH)JUDGMENT DOCKETED
Docketed Dec 31, 2017Ticket #035267789R
FAIL TO MAINTAIN BLDG IN CODE-COMPLIANT MANNER: ILLUMINATE EXITS
DOB summons (OATH)JUDGMENT DOCKETED
Docketed Jan 31, 2018Ticket #035272596R
MISCELLANEOUS VIOLATIONS
ECBConstruction
RESOLVE
Issued Dec 12, 2020#35510492N

PERMIT EXPIRED FOR TEMP CONSTRUCTION EQUIPMENT ONSITE:SIDEWALK SHED NOTE:@TIME OF INSPECTION OBSERVED HDSWS INSTALLED @EXP1 IN FRONT OF BLDGW/ PERMIT#B00160747-SH.ALSO OBSERVED IN DOBNOW SYSTEM PERMIT#B00216120

View this violation's full details & status history →
ECBConstruction
RESOLVE
Issued Dec 12, 2020#35510491L

BC3314.1 UNSAFE SCAFFOLDING NOTE:@TIME OF INSPECTION OBSERVED FROM OUTSIDE PIPE SCAFFOLDING ERRECTED @EXP2,ON TOP OF SIDEWALK SHED/OVERHEAD PROTECTION.OBSERVED 1 LOOSE PLANK ON SCAFFOLD NOT FULLY PLANKED.MEAN U

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DOB LegacyE
RESOLVED
Issued Jun 28, 2018#2299574
View this violation's full details & status history →
ECBConstruction
RESOLVE
Issued May 31, 2018#35335175Y

FAILURE TO MAINTAIN BUILDING IN CODE COMPLIANT MANNER.ILLUMINATION FOREXITS,EXIT DISCHARGES,AND PUBLIC CORRIDORS PER BC1006.1;27-381.NOTED:AT ROOFTOP PLAY GROUND 1ST FL OUTDOOR PLAY AREA 2ND FLOOR BASEMENT EMER

View this violation's full details & status history →
ECBConstruction
RESOLVE
Issued May 31, 2018#35335176X

FAILURE TO MAINTAIN BUILDING IN CODE COMPLIANT MANNER.NOTED:AT 2ND FL IN GROUP + BASEMENT ROOMS GROUP 7+8 STORAGE ROOM,COMPUTER ROOM,CEILING,TILES,WATER STORED.ALSO AT BASEMENT SPRINKLER IM WATER PENETRATION/LE

View this violation's full details & status history →

+ 7 more violations on record — view full report

Get the Complete Report for 343 WARREN 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 343 WARREN ST, Brooklyn built?

The building at 343 WARREN ST, Brooklyn, NY 11201 was constructed in 1974. It is classified as a education - miscellaneous with 3 floors and 3 units. The building area is 20,000 sqft.

Are there building permits at 343 WARREN ST, Brooklyn?

Yes. 343 WARREN ST, Brooklyn, NY 11201 has 58 building permits on record, with 34 currently active. Permits are sourced from the NYC Department of Buildings (DOB Legacy and DOB NOW systems). The most recent permit is a General Construction (PERMIT ISSUED) filed May 21, 2026.

Does 343 WARREN ST, Brooklyn have violations?

Yes. 343 WARREN ST, Brooklyn, NY 11201 has 12 violations on record, with 0 currently open. Breakdown: 3 DOB, 9 ECB. Sources: NYC DOB, HPD, and ECB/OATH.

Does 343 WARREN ST, Brooklyn have docketed judgments?

Yes. 343 WARREN ST, Brooklyn, NY 11201 has 2 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 343 WARREN ST?

343 WARREN ST, Brooklyn, NY 11201 has an assessed market value of $5.8M and a total assessed value of $2.6M (land: $162K). Assessment data is from the NYC Department of Finance (DOF).

When was 343 WARREN ST last sold?

343 WARREN ST, Brooklyn, NY 11201 last sold for $4.2M on Jul 1, 2008. Sale records are sourced from NYC ACRIS and Department of Finance rolling sales data.

What is the zoning for 343 WARREN ST?

343 WARREN ST, Brooklyn, NY 11201 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 343 WARREN ST?

343 WARREN ST, Brooklyn, NY 11201 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 343 WARREN ST?

Search 343 WARREN 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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343 WARREN ST, Brooklyn, NY 11201 — Property Records, Permits, Violations, Tax & Zoning | RegWatch