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Brooklyn

12431 Flatlands Ave

Brooklyn, NY 11208Individually ownedBBL 3044231502BIN 3341496
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Updated Aug 1, 2026 · 16 sources

Floors9
ClassR4
Market Value$89K

12431 FLATLANDS AVE is a property located at 12431 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 13 violations on record (2 currently open). Data sourced from NYC Department of Buildings (DOB), Housing Preservation & Development (HPD), Department of Finance (DOF), and other government agencies.

A RegWatch Dossier

119records on file

The lot at 12431 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 31 years its record reaches back, the lot has drawn 119 separate government filings.

The documentary life of the address leans hard toward assignment: 33 of its 119 records, fully 28%, fall under that one heading. Release (20) and mortgage (19) trail well behind. 2 violations stand open against it today.

The pace is anything but even. Activity is spread across the decades, with 2006 the busiest year on file.

Read together — 28% assignment, 31 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 119 government filings.

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

Property Details

Address12431 FLATLANDS AVE, Brooklyn, NY 11208
R4
Year BuiltN/A
Floors9
Total UnitsN/A
Building AreaN/A
Lot SizeN/A
3044231502
3341496
OwnershipIndividually owned

Assessment & Sales

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

Building Permits

none on record

No building permits found in local records.

Violations

13 on record · 2 open
HPDClass A
NOV SENT OUT
Issued May 29, 2025#17935618

§ 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR WINDOW RECESS AT NORTH WALL IN THE 2nd ROOM FROM NORTH LOCATED AT APT 1B, 1st STORY, 1st APARTMENT FROM WEST AT NORTH

View this violation's full details & status history →
HPDClass C
NOT COMPLIED WITH
Issued May 29, 2025#17935636

§ 27-2005, 27-2007, 27-2041.1 HMC, §238, § 309; § 107 (2) ( C) MDL AND 28 RCNY §25-171: REPLACE OR REPAIR THE SELF-CLOSING DOORS THAT IS MISSING OR DEFECTIVE DOOR LEADING TO CELLAR (HINGES) AT PUBLIC HALL, 1st STORY

View this violation's full details & status history →

+ 11 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 12431 FLATLANDS AVE, Brooklyn?

No building permits were found in local records for 12431 FLATLANDS AVE, Brooklyn, NY 11208. Permit data is sourced from the NYC Department of Buildings. For the most current permit status, check DOB NOW or BIS directly.

Does 12431 FLATLANDS AVE, Brooklyn have violations?

Yes. 12431 FLATLANDS AVE, Brooklyn, NY 11208 has 13 violations on record, with 2 currently open. Breakdown: 5 DOB, 8 HPD. Sources: NYC DOB, HPD, and ECB/OATH.

Does 12431 FLATLANDS AVE, Brooklyn have docketed judgments?

No docketed OATH judgments were found in local records for 12431 FLATLANDS AVE, Brooklyn, NY 11208. Judgment data is sourced from NYC Office of Administrative Trials & Hearings (OATH) hearing records.

What is the property tax assessment for 12431 FLATLANDS AVE?

12431 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 12431 FLATLANDS AVE last sold?

12431 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 12431 FLATLANDS AVE?

12431 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 12431 FLATLANDS AVE?

Search 12431 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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12431 FLATLANDS AVE, Brooklyn, NY 11208 — Property Records, Permits, Violations, Tax & Zoning | RegWatch