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Brooklyn

12149 Flatlands Ave

Brooklyn, NY 11207Individually ownedBBL 3044141036BIN 3335565
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Updated Aug 1, 2026 · 16 sources

Floors2
ClassR2
Market Value$110K

12149 FLATLANDS AVE is a property located at 12149 FLATLANDS AVE, Brooklyn, NY 11207. The building has 2 floors. The assessed market value is $110K. It last sold for $349K on Mar 8, 2021. Public records list the property as individually owned. There are 3 building permits on record (2 active). Data sourced from NYC Department of Buildings (DOB), Housing Preservation & Development (HPD), Department of Finance (DOF), and other government agencies.

A RegWatch Dossier

106records on file
1Energy Star

The lot at 12149 Flatlands Ave rises 2 stories over Kings. It is carried on the public rolls at a market value of $110K, and assessed for tax at $49.6K. In the 64 years its record reaches back, the lot has drawn 106 separate government filings.

The documentary life of the address leans hard toward mortgage: 28 of its 106 records, fully 26%, fall under that one heading. Assignment (25) and release (20) 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 2006.

On the environmental ledger, the building posts an Energy Star score of 1, with a site energy-use intensity of 85.1 kBtu per square foot. Its operations answer for roughly 898 metric tons of CO2-equivalent a year.

Read together — 26% mortgage, 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.

$110K of Kings, written across 106 government filings.

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

Property Details

Address12149 FLATLANDS AVE, Brooklyn, NY 11207
R2
Year BuiltN/A
Floors2
Total UnitsN/A
Building AreaN/A
Lot SizeN/A
3044141036
3335565
OwnershipIndividually owned

Assessment & Sales

$110K
$50K
$25K
$349K
Last Sale DateMar 8, 2021

Building Permits

3 on record · 2 active
Construction EquipmentDOB Legacy
ISSUED
Filed Jul 29, 2010Job #310103367-01-02

FB

View this permit's full record & inspection history →
PlumbingDOB Legacy
ISSUED
Filed Feb 20, 2008Job #310103367-01-01

FB

View this permit's full record & inspection history →
Dec Bulk StorageOther
IN SERVICE
Filed Jan 2, 1962Job #PBS:2-252654:001:#2 FUEL OIL (ON-SITE CONSUMPTION)
View this permit's full record & inspection history →

Violations

none on record

No violations found in local records.

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Frequently Asked Questions

Are there building permits at 12149 FLATLANDS AVE, Brooklyn?

Yes. 12149 FLATLANDS AVE, Brooklyn, NY 11207 has 3 building permits on record, with 2 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 Jul 29, 2010.

Does 12149 FLATLANDS AVE, Brooklyn have violations?

No violations were found in local records for 12149 FLATLANDS AVE, Brooklyn, NY 11207. Violation data is sourced from DOB (safety and legacy), HPD (housing), and ECB (environmental control).

Does 12149 FLATLANDS AVE, Brooklyn have docketed judgments?

No docketed OATH judgments were found in local records for 12149 FLATLANDS AVE, Brooklyn, NY 11207. Judgment data is sourced from NYC Office of Administrative Trials & Hearings (OATH) hearing records.

What is the property tax assessment for 12149 FLATLANDS AVE?

12149 FLATLANDS AVE, Brooklyn, NY 11207 has an assessed market value of $110K and a total assessed value of $50K (land: $25K). Assessment data is from the NYC Department of Finance (DOF).

When was 12149 FLATLANDS AVE last sold?

12149 FLATLANDS AVE, Brooklyn, NY 11207 last sold for $349K on Mar 8, 2021. Sale records are sourced from NYC ACRIS and Department of Finance rolling sales data.

Who owns 12149 FLATLANDS AVE?

12149 FLATLANDS AVE, Brooklyn, NY 11207 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 12149 FLATLANDS AVE?

Search 12149 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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12149 FLATLANDS AVE, Brooklyn, NY 11207 — Property Records, Permits, Violations, Tax & Zoning | RegWatch