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Brooklyn • Elevator Apartment

4520 12 Ave

Brooklyn, NY 11219Company-ownedBBL 3056150048BIN 3136676
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Updated Aug 1, 2026 · 16 sources

Year Built1940
Floors6
Units48
Building Area54,000 sqft
ZoningR6
ClassD1
Market Value$3.3M

4520 12 AVE is a property located at 4520 12 AVE, Brooklyn, NY 11219. It is classified as a elevator apartment - semi-fireproof. The building was constructed in 1940. It has 6 floors and 48 units. The building area is 54,000 square feet on a 10,000 sqft lot. The property is zoned R6. The assessed market value is $3.3M. Public records list the property as company-owned. There are 2 building permits on record (0 active). There are 620 violations on record (124 currently open). 2 docketed judgments 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

1,541records on file
94Energy Star

Completed in 1940, 4520 12 Ave rises 6 stories over Kings. Public records put it at 48 units and 54,000 square feet of floor area, on land zoned R6. It is carried on the public rolls at a market value of $3.3M, and assessed for tax at $1.5M. In the 56 years its record reaches back, the lot has drawn 1,541 separate government filings — a paper trail nearly as tall as the building itself.

The documentary life of the address leans hard toward complaint: 741 of its 1,541 records, fully 48%, fall under that one heading. Violation (620) and assignment (68) trail well behind. 124 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 2025.

On the environmental ledger, the building posts an Energy Star score of 94, with a site energy-use intensity of 61.1 kBtu per square foot. Its operations answer for roughly 208 metric tons of CO2-equivalent a year.

Read together — 48% complaint, 56 years of accumulation, a parcel of Kings — these scattered records compose a portrait of the address that no single page sets out to draw.

$3.3M of Kings, written across 1,541 government filings.

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

Property Details

Address4520 12 AVE, Brooklyn, NY 11219
Building TypeElevator Apartment - Semi-Fireproof
D1
Year Built1940
Floors6
Total Units48
Building Area54,000 sqft
Lot Size10,000 sqft
ZoningR6
ConditionAverage
3056150048
3136676
OwnershipCompany-owned

Assessment & Sales

$3.3M
$1.5M
$144K

Building Permits

2 on record
Cats Registration InspectionOther
CURRENT
Filed Oct 11, 2024Job #423851
View this permit's full record & inspection history →
Cats Certificate To OperateOther
CANCELLED
Filed N/AJob #116189
View this permit's full record & inspection history →

Violations

620 on record · 124 open
Judgments · 2 docketed
Sanitation summons (OATH)JUDGMENT DOCKETED
Docketed Oct 31, 2021Ticket #046929322M
DIRTY SIDEWALK DIRTY AREA
DOB summons (OATH)JUDGMENT DOCKETED
Docketed Apr 30, 2017Ticket #035174539L
FAILURE TO MAINTAIN BUILDING WALL S OR APPURTENANCES
HPDClass C
NOTICE OF ISSUANCE SENT TO TENANT
Issued Jul 15, 2026#19075158

HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF MICE IN THE ENTIRE APARTMENT LOCATED AT APT B6, 2nd STORY, 4th APARTMENT FROM EAST AT SOUTH

View this violation's full details & status history →
HPDClass B
NOV SENT OUT
Issued Jul 15, 2026#19075159

§ 27-2005 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE CERAMIC TILES AT FLOOR IN THE BATHROOM LOCATED AT APT B6, 2nd STORY, 4th APARTMENT FROM EAST AT SOUTH

View this violation's full details & status history →
HPDClass C
NOTICE OF ISSUANCE SENT TO TENANT
Issued Jul 15, 2026#19075160

HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT B6, 2nd STORY, 4th APARTMENT FROM EAST AT SOUTH

View this violation's full details & status history →
HPDClass A
NOV SENT OUT
Issued Jul 15, 2026#19075161

§ 27-2013 ADM CODE PAINT WITH LIGHT COLORED PAINT TO THE SATISFACTION OF THIS DEPARTMENT THROUGHOUT ALL WALLS AND CEILINGS IN THE ENTIRE APARTMENT LOCATED AT APT B6, 2nd STORY, 4th APARTMENT FROM EAST AT SOUTH

View this violation's full details & status history →
HPDClass B
NOV SENT OUT
Issued Jul 15, 2026#19075162

§ 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE RUBBER GASKET AT REFRIGERATOR AND FREEZER DOORS IN THE KITCHEN LOCATED AT APT B6, 2nd STORY, 4th APARTMENT FROM EAST AT SOUTH

View this violation's full details & status history →

+ 615 more violations on record — view full report

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Frequently Asked Questions

When was 4520 12 AVE, Brooklyn built?

The building at 4520 12 AVE, Brooklyn, NY 11219 was constructed in 1940. It is classified as a elevator apartment - semi-fireproof with 6 floors and 48 units. The building area is 54,000 sqft.

Are there building permits at 4520 12 AVE, Brooklyn?

Yes. 4520 12 AVE, Brooklyn, NY 11219 has 2 building permits on record, with 0 currently active. Permits are sourced from the NYC Department of Buildings (DOB Legacy and DOB NOW systems). The most recent permit is a Cats Registration Inspection (CURRENT) filed Oct 11, 2024.

Does 4520 12 AVE, Brooklyn have violations?

Yes. 4520 12 AVE, Brooklyn, NY 11219 has 620 violations on record, with 124 currently open. Breakdown: 18 DOB, 13 ECB, 589 HPD. Sources: NYC DOB, HPD, and ECB/OATH.

Does 4520 12 AVE, Brooklyn have docketed judgments?

Yes. 4520 12 AVE, Brooklyn, NY 11219 has 2 docketed judgments 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 4520 12 AVE?

4520 12 AVE, Brooklyn, NY 11219 has an assessed market value of $3.3M and a total assessed value of $1.5M (land: $144K). Assessment data is from the NYC Department of Finance (DOF).

What is the zoning for 4520 12 AVE?

4520 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 4520 12 AVE?

4520 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 4520 12 AVE?

Search 4520 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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4520 12 AVE, Brooklyn, NY 11219 — Property Records, Permits, Violations, Tax & Zoning | RegWatch