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Brooklyn

12435 Flatlands Ave

Brooklyn, NY 11208Individually ownedBBL 3044231537BIN 3341504
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Updated Sep 15, 2026 · 16 sources

Floors9
ClassR4
Market Value$89K

12435 FLATLANDS AVE is a property located at 12435 FLATLANDS AVE, Brooklyn, NY 11208. The building has 9 floors. The assessed market value is $89K. It last sold for $30.6M on Dec 29, 2021. Public records list the property as individually owned. There are 9 building permits on record (6 active). There are 22 violations on record (2 currently open). 1 docketed judgment is 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

131records on file
100Energy Star

The lot at 12435 Flatlands Ave rises 9 stories over Kings. It is carried on the public rolls at a market value of $89.2K, and assessed for tax at $40.1K. In the 64 years its record reaches back, the lot has drawn 131 separate government filings.

The documentary life of the address leans hard toward complaint: 33 of its 131 records, fully 25%, fall under that one heading. Violation (22) and inspection (21) trail well behind. 2 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 2005.

On the environmental ledger, the building posts an Energy Star score of 100, with a site energy-use intensity of 18.5 kBtu per square foot. Its operations answer for roughly 915 metric tons of CO2-equivalent a year.

Read together — 25% complaint, 64 years of accumulation, a parcel of Kings — these scattered records compose a portrait of the address that no single page sets out to draw.

$89.2K of Kings, written across 131 government filings.

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

Property Details

Address12435 FLATLANDS AVE, Brooklyn, NY 11208
R4
Year BuiltN/A
Floors9
Total UnitsN/A
Building AreaN/A
Lot SizeN/A
3044231537
3341504
OwnershipIndividually owned

Assessment & Sales

$89K
$40K
$11K
$30.6M
Last Sale DateDec 29, 2021

Building Permits

9 on record · 6 active
Construction EquipmentDOB Legacy
ISSUED
Filed Aug 22, 2017Job #321623329-01-01

OT

View this permit's full record & inspection history →
Alteration — Type 2DOB Legacy
PERMIT ISSUED - ENTIRE JOB/WORK
Filed Aug 22, 2017Est. cost $42KJob #321623329-01

GEN. CONSTR.

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Alteration — Type 2DOB Legacy
SIGNED OFF
Filed Mar 7, 2011Est. cost $5KJob #310092093-01
View this permit's full record & inspection history →
Construction EquipmentDOB Legacy
ISSUED
Filed Jul 29, 2010Job #310092093-01-02

BL

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Construction EquipmentDOB Legacy
ISSUED
Filed Jul 13, 2010Job #310092093-1-2-hist

PL

View this permit's full record & inspection history →

+ 4 more permits — view full report

Violations

22 on record · 2 open
Judgments · 1 docketed
DOB summons (OATH)JUDGMENT DOCKETED
Docketed Jul 31, 2003Ticket #032040745J
FAILURE TO MAINTAIN BOILER A .
SafetyGas Piping Ll152
ACTIVE
Issued Sep 18, 2025#NOD-FTF-PL-PER-202206-0099926

Cycle 1, Sub-cycle B (premises is in Community District 5)

View this violation's full details & status history →
SafetyBoiler
ACTIVE
Issued Nov 14, 2023#VIO-FTC-BE-EXT-201812-0001137

Violation Issued-Failure To File 2018 External Inspection Affirmation of Correction for LP Device

View this violation's full details & status history →

+ 20 more violations on record — view full report

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

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Frequently Asked Questions

Are there building permits at 12435 FLATLANDS AVE, Brooklyn?

Yes. 12435 FLATLANDS AVE, Brooklyn, NY 11208 has 9 building permits on record, with 6 currently active. Permits are sourced from the NYC Department of Buildings (DOB Legacy and DOB NOW systems). The most recent permit is a Construction Equipment (ISSUED) filed Aug 22, 2017.

Does 12435 FLATLANDS AVE, Brooklyn have violations?

Yes. 12435 FLATLANDS AVE, Brooklyn, NY 11208 has 22 violations on record, with 2 currently open. Breakdown: 2 DOB Safety, 14 DOB, 3 ECB, 3 HPD. Sources: NYC DOB, HPD, and ECB/OATH.

Does 12435 FLATLANDS AVE, Brooklyn have docketed judgments?

Yes. 12435 FLATLANDS AVE, Brooklyn, NY 11208 has 1 docketed judgment 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 12435 FLATLANDS AVE?

12435 FLATLANDS AVE, Brooklyn, NY 11208 has an assessed market value of $89K and a total assessed value of $40K (land: $11K). Assessment data is from the NYC Department of Finance (DOF).

When was 12435 FLATLANDS AVE last sold?

12435 FLATLANDS AVE, Brooklyn, NY 11208 last sold for $30.6M on Dec 29, 2021. Sale records are sourced from NYC ACRIS and Department of Finance rolling sales data.

Who owns 12435 FLATLANDS AVE?

12435 FLATLANDS AVE, Brooklyn, NY 11208 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 12435 FLATLANDS AVE?

Search 12435 FLATLANDS 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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12435 FLATLANDS AVE, Brooklyn, NY 11208 — Property Records, Permits, Violations, Tax & Zoning | RegWatch