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Brooklyn

4921 12 Ave

Brooklyn, NY 11219Company-ownedBBL 3056411501BIN 3396988
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Updated Aug 1, 2026 · 16 sources

Year Built1930
Floors5
Building Area13,751 sqft
ZoningR6
ClassR8
Market Value$1.8M

4921 12 AVE is a property located at 4921 12 AVE, Brooklyn, NY 11219. The building was constructed in 1930. The building has 5 floors. The building area is 13,751 square feet on a 4,000 sqft lot. The property is zoned R6. The assessed market value is $1.8M. It last sold for $6.8M on Sep 16, 2022. Public records list the property as company-owned. There are 30 building permits on record (21 active). There are 11 violations on record (1 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

89records on file

Completed in 1930, 4921 12 Ave rises 5 stories over Kings. Public records put it at 13,751 square feet of floor area, on land zoned R6. It is carried on the public rolls at a market value of $1.8M, and assessed for tax at $810K. In the 43 years its record reaches back, the lot has drawn 89 separate government filings.

The documentary life of the address leans hard toward permit: 30 of its 89 records, fully 34%, fall under that one heading. Release (13) and assignment (11) trail well behind. 1 violation stands 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.

Read together — 34% permit, 43 years of accumulation, a parcel of Kings — these scattered records compose a portrait of the address that no single page sets out to draw.

$1.8M of Kings, written across 89 government filings.

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

Property Details

Address4921 12 AVE, Brooklyn, NY 11219
R8
Year Built1930
Floors5
Total UnitsN/A
Building Area13,751 sqft
Lot Size4,000 sqft
ZoningR6
3056411501
3396988
OwnershipCompany-owned

Assessment & Sales

$1.8M
$810K
$15K
$6.8M
Last Sale DateSep 16, 2022

Building Permits

30 on record · 21 active
General ConstructionDOB Legacy
COMPLETED
Filed May 7, 2014Job #320966834-01
View this permit's full record & inspection history →
Alteration — Type 1DOB Legacy
SIGNED OFF
Filed May 4, 2010Job #302141572-03

Structural

View this permit's full record & inspection history →
Alteration — Type 2DOB Legacy
SIGNED OFF
Filed May 4, 2010Est. cost $52KJob #301975744-01

ENL

View this permit's full record & inspection history →
Alteration — Type 1DOB Legacy
SIGNED OFF
Filed May 4, 2010Est. cost $130KJob #302141572-01

GC

View this permit's full record & inspection history →
Alteration — Type 2DOB Legacy
SIGNED OFF
Filed Mar 26, 2010Est. cost $36KJob #302179808-01
View this permit's full record & inspection history →

+ 25 more permits — view full report

Violations

11 on record · 1 open
DOB LegacyACC1
ACTIVE
Issued Sep 6, 2019#2391205

VIO ISSUED TO ELEVATOR - FAIL TO CORRECT DEFECTS ON 2017 CAT 1 INSP/TST TST

View this violation's full details & status history →

+ 10 more violations on record — view full report

Get the Complete Report for 4921 12 AVE

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

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Frequently Asked Questions

When was 4921 12 AVE, Brooklyn built?

The building at 4921 12 AVE, Brooklyn, NY 11219 was constructed in 1930. with 5 floors. The building area is 13,751 sqft.

Are there building permits at 4921 12 AVE, Brooklyn?

Yes. 4921 12 AVE, Brooklyn, NY 11219 has 30 building permits on record, with 21 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 (COMPLETED) filed May 7, 2014.

Does 4921 12 AVE, Brooklyn have violations?

Yes. 4921 12 AVE, Brooklyn, NY 11219 has 11 violations on record, with 1 currently open. Breakdown: 8 DOB, 3 ECB. Sources: NYC DOB, HPD, and ECB/OATH.

Does 4921 12 AVE, Brooklyn have docketed judgments?

No docketed OATH judgments were found in local records for 4921 12 AVE, Brooklyn, NY 11219. Judgment data is sourced from NYC Office of Administrative Trials & Hearings (OATH) hearing records.

What is the property tax assessment for 4921 12 AVE?

4921 12 AVE, Brooklyn, NY 11219 has an assessed market value of $1.8M and a total assessed value of $810K (land: $15K). Assessment data is from the NYC Department of Finance (DOF).

When was 4921 12 AVE last sold?

4921 12 AVE, Brooklyn, NY 11219 last sold for $6.8M on Sep 16, 2022. Sale records are sourced from NYC ACRIS and Department of Finance rolling sales data.

What is the zoning for 4921 12 AVE?

4921 12 AVE, Brooklyn, NY 11219 is zoned R6. 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 4921 12 AVE?

4921 12 AVE, Brooklyn, NY 11219 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 4921 12 AVE?

Search 4921 12 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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4921 12 AVE, Brooklyn, NY 11219 — Property Records, Permits, Violations, Tax & Zoning | RegWatch