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Brooklyn • Condo

340 Flatbush Ave Extension

Brooklyn, NY 11201Company-ownedBBL 3001491201BIN 3000370
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16 sources

Year Built2021
Floors74
Units547
Building Area617,022 sqft
ZoningC6-4.5
ClassRM
Market Value$7.4M

340 FLATBUSH AVE EXTENSION is a property located at 340 FLATBUSH AVE EXTENSION, Brooklyn, NY 11201. It is classified as a condo - multi-dwelling. The building was constructed in 2021. It has 74 floors and 547 units. The building area is 617,022 square feet on a 46,367 sqft lot. The property is zoned C6-4.5. The assessed market value is $7.4M. It last sold for $2.3M on Aug 13, 2026. Public records list the property as company-owned. There are 250 building permits on record (238 active). There are 46 violations on record (5 currently open). 6 docketed judgments carrying $6,785 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

1,826records on file

Completed in 2021, 340 Flatbush Ave Extension rises 74 stories over Kings. Public records put it at 547 units and 617,022 square feet of floor area, on land zoned C6-4.5. It is carried on the public rolls at a market value of $7.4M, and assessed for tax at $3.3M. In the 36 years its record reaches back, the lot has drawn 1,826 separate government filings — a paper trail nearly as tall as the building itself.

The documentary life of the address leans hard toward release: 970 of its 1,826 records, fully 53%, fall under that one heading. Permit (250) and assignment (200) trail well behind. 5 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 2024.

Read together — 53% release, 36 years of accumulation, a parcel of Kings — these scattered records compose a portrait of the address that no single page sets out to draw.

$7.4M of Kings, written across 1,826 government filings.

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Executive summary, compliance history, title chain & existing debt, recorded documents & agreements, owner contacts, tax detail, Use & Development, build envelope, market comps, investment metrics, deal math & stress tests, deal signals, pre-foreclosure signals, neighborhood. Downloadable PDF. One payment, no subscription.

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

Address340 FLATBUSH AVE EXTENSION, Brooklyn, NY 11201
Building TypeCondo - Multi-Dwelling
RM
Year Built2021
Floors74
Total Units547
Building Area617,022 sqft
Lot Size46,367 sqft
ZoningC6-4.5
ConditionGood
3001491201
3000370
OwnershipCompany-owned

Assessment & Sales

$7.4M
$3.3M
$151K
$2.3M
Last Sale DateAug 13, 2026

Building Permits

250 on record · 238 active
Public SafetyDOB NOW
APPROVED
Filed Oct 31, 2026Job #B5019197
View this permit's full record & inspection history →
ElectricalDOB NOW
APPROVED
Filed Oct 22, 2026Job #B01336372-P1

Base Building Work for Tenant (Lifetime) Remove Existing 2000 amp Retail Trough And Install New 2000 Amp Coned 377 Cabinet And Distribution Panel With Three 800 Amp Fused Switches Utilizing Existing Feeders

View this permit's full record & inspection history →
ElectricalDOB NOW
COMPLETE
Filed Oct 22, 2026Job #B01478623-I1-EL

Replacement of lighting fixtures no new circuits.

View this permit's full record & inspection history →
SignDOB NOW
PERMIT ISSUED
Filed Oct 20, 2026Est. cost $600Job #B01460356-I1

Initial Permit

View this permit's full record & inspection history →
Public SafetyDOB NOW
AHV PERMIT ISSUED
Filed Oct 17, 2026Job #B8211127
View this permit's full record & inspection history →

+ 245 more permits — view full report

Violations

46 on record · 5 open
Open judgment balance — docketed OATH judgments$6,785
Judgments · 6 docketed
DEP summons (OATH)JUDGMENT DOCKETED
Docketed Apr 30, 2026Ticket #000936725N
IDLING OF MOTOR VEHICLE ENGINE MORE THAN THREE MINUTES 1ST OFF
DEP summons (OATH)JUDGMENT DOCKETED
Docketed Jan 31, 2026Balance $2,600Ticket #000924028J
IDLING OF MOTOR VEHICLE ENGINE MORE THAN THREE MINUTES 3RD AND SUB
FDNY summons (OATH)JUDGMENT DOCKETED
Docketed Mar 31, 2025Balance $935Ticket #012155735K
FIRE PROTECTION SYSTEMS:FAIL TO PREVENT UNNECESSARY UNWARRANTED ALARMS
Sanitation summons (OATH)JUDGMENT DOCKETED
Docketed Dec 31, 2024Ticket #048442737M
IMPROPER RECEPTACLE ALL BUSINESSES 1ST
DEP summons (OATH)JUDGMENT DOCKETED
Docketed Dec 31, 2025Balance $1,300Ticket #000858941R
IDLING OF MOTOR VEHICLE ENGINE MORE THAN THREE MINUTES 1ST OFF

+ 1 more docketed judgment — view full report

ECBConstruction
ACTIVE
Issued Aug 28, 2026#35726946L

PEDESTRIAN PROTECTION DOES NOT MEET CODE SPECIFICATIONS. AT THE TIME OF INSPECTION OBSERVED AT EXP #1 SOUTH ELEVATION ROTTEN MUDSILLS AT MULTIPLE LOCATIONS AND OBSERVED AT EXP #2 WEST ELEVATION BULGING SHED PAR

View this violation's full details & status history →
HPDClass A
NOV SENT OUT
Issued Jul 30, 2026#19115632

§27-2104(B) HMC POST A PROPER NOTICE REGARDING RENT STABILIZATION LAW, IN A FORM APPROVED BY THE COMMISSIONER, IN A CONSPICUOUS LOCATION WITHIN THE COMMON AREA AT THE BUILDINGS ENTRANCE. FOR MORE INFORMATION ABOUT SIGNAGE REQUIREMENTS, PLEASE VISIT: HTTPS://WWW.NYC.GOV/SITE/HPD/SERVICES-AND-INFORMATION/REQUIRED-SIGNAGE.PAGE

View this violation's full details & status history →
DOB LegacyC
ACTIVE
Issued Sep 4, 2024#2759448

BOROUGH COMMISSIONER HAS ORDERED ALL WORK STOPPED UNDER APPLICATION #320914338 DUE TO SITE SAFETY MANAGER WITHDRAWAL

View this violation's full details & status history →
DOB LegacyC
ACTIVE
Issued May 20, 2024#2752229

FAILURE TO MAINTAIN BUILDING IN CODE COMPLIANT MANNER. OBERVED AT EXPOSURE 4 BROKEN/MISSING WINDOW PANE AT LOWER ELEVATION SET BACK REMEDY: REPAIR AND/OR REPLACE

View this violation's full details & status history →

+ 42 more violations on record — view full report

Get the Complete Report for 340 FLATBUSH AVE EXTENSION

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

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Frequently Asked Questions

When was 340 FLATBUSH AVE EXTENSION, Brooklyn built?

The building at 340 FLATBUSH AVE EXTENSION, Brooklyn, NY 11201 was constructed in 2021. It is classified as a condo - multi-dwelling with 74 floors and 547 units. The building area is 617,022 sqft.

Are there building permits at 340 FLATBUSH AVE EXTENSION, Brooklyn?

Yes. 340 FLATBUSH AVE EXTENSION, Brooklyn, NY 11201 has 250 building permits on record, with 238 currently active. Permits are sourced from the NYC Department of Buildings (DOB Legacy and DOB NOW systems). The most recent permit is a Public Safety (APPROVED) filed Oct 31, 2026.

Does 340 FLATBUSH AVE EXTENSION, Brooklyn have violations?

Yes. 340 FLATBUSH AVE EXTENSION, Brooklyn, NY 11201 has 46 violations on record, with 5 currently open. Breakdown: 3 DOB, 36 ECB, 7 HPD. Sources: NYC DOB, HPD, and ECB/OATH.

Does 340 FLATBUSH AVE EXTENSION, Brooklyn have docketed judgments?

Yes. 340 FLATBUSH AVE EXTENSION, Brooklyn, NY 11201 has 6 docketed judgments on record with the NYC Office of Administrative Trials & Hearings (OATH), with an open balance of $6,785. 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 340 FLATBUSH AVE EXTENSION?

340 FLATBUSH AVE EXTENSION, Brooklyn, NY 11201 has an assessed market value of $7.4M and a total assessed value of $3.3M (land: $151K). Assessment data is from the NYC Department of Finance (DOF).

When was 340 FLATBUSH AVE EXTENSION last sold?

340 FLATBUSH AVE EXTENSION, Brooklyn, NY 11201 last sold for $2.3M on Aug 13, 2026. Sale records are sourced from NYC ACRIS and Department of Finance rolling sales data.

What is the zoning for 340 FLATBUSH AVE EXTENSION?

340 FLATBUSH AVE EXTENSION, Brooklyn, NY 11201 is zoned C6-4.5. 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 340 FLATBUSH AVE EXTENSION?

340 FLATBUSH AVE EXTENSION, 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 340 FLATBUSH AVE EXTENSION?

Search 340 FLATBUSH AVE EXTENSION 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 ($15, one-time) adds the complete title history, owner contacts, and a downloadable PDF.

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340 FLATBUSH AVE EXTENSION, Brooklyn, NY 11201 — Property Records, Permits, Violations, Tax & Zoning | RegWatch