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Brooklyn • Elevator Apartment

621 Ave Z

Brooklyn, NY 11223Company-ownedBBL 3072140039BIN 3195709
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Updated Aug 1, 2026 · 16 sources

Year Built1949
Floors6
Units60
Building Area58,570 sqft
ZoningR5
ClassD1
Market Value$4.6M

621 AVE Z is a property located at 621 AVE Z, Brooklyn, NY 11223. It is classified as a elevator apartment - semi-fireproof. The building was constructed in 1949. It has 6 floors and 60 units. The building area is 58,570 square feet on a 20,000 sqft lot. The property is zoned R5. The assessed market value is $4.6M. It last sold for $1.5M on May 4, 2004. Public records list the property as company-owned. There are 12 building permits on record (8 active). There are 56 violations on record (0 currently open). 5 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

245records on file
100Energy Star

Completed in 1949, 621 Ave Z rises 6 stories over Kings. Public records put it at 60 units and 58,570 square feet of floor area, on land zoned R5. It is carried on the public rolls at a market value of $4.6M, and assessed for tax at $2.1M. In the 76 years its record reaches back, the lot has drawn 245 separate government filings.

The documentary life of the address leans hard toward complaint: 115 of its 245 records, fully 47%, fall under that one heading. Violation (56) and inspection (23) 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 2010.

On the environmental ledger, the building posts an Energy Star score of 100, with a site energy-use intensity of 43.5 kBtu per square foot. Its operations answer for roughly 158 metric tons of CO2-equivalent a year.

Read together — 47% complaint, 76 years of accumulation, a parcel of Kings — these scattered records compose a portrait of the address that no single page sets out to draw.

$4.6M of Kings, written across 245 government filings.

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

Property Details

Address621 AVE Z, Brooklyn, NY 11223
Building TypeElevator Apartment - Semi-Fireproof
D1
Year Built1949
Floors6
Total Units60
Building Area58,570 sqft
Lot Size20,000 sqft
ZoningR5
ConditionAverage
3072140039
3195709
OwnershipCompany-owned

Assessment & Sales

$4.6M
$2.1M
$216K
$1.5M
Last Sale DateMay 4, 2004

Building Permits

12 on record · 8 active
Cats Registration InspectionOther
CURRENT
Filed Jan 22, 2024Job #406639
View this permit's full record & inspection history →
Construction EquipmentDOB Legacy
ISSUED
Filed Apr 4, 1995Job #300427713-01-01

PL

View this permit's full record & inspection history →
PlumbingDOB Legacy
ISSUED
Filed Apr 4, 1995Job #300427713-1-1-hist

OT

View this permit's full record & inspection history →
AlterationDOB Legacy
ISSUED
Filed Jan 4, 1995Job #300355755-01-01

OT

View this permit's full record & inspection history →
AlterationDOB Legacy
ISSUED
Filed Jan 4, 1995Job #300355755-1-1-hist

OT

View this permit's full record & inspection history →

+ 7 more permits — view full report

Violations

56 on record · none currently open
Judgments · 5 docketed
Sanitation summons (OATH)JUDGMENT DOCKETED
Docketed Mar 31, 2025Ticket #048642215L
ILLEGAL POSTING OF HANDBILL NOTICE
Sanitation summons (OATH)JUDGMENT DOCKETED
Docketed Mar 31, 2025Ticket #048642216N
ILLEGAL POSTING OF HANDBILL NOTICE
Sanitation summons (OATH)JUDGMENT DOCKETED
Docketed Mar 31, 2025Ticket #048642217P
ILLEGAL POSTING OF HANDBILL NOTICE
DOB summons (OATH)JUDGMENT DOCKETED
Docketed Jul 31, 2015Ticket #038235190N
FAIL MAINTAIN BLDG IN COMPLIANT MANNER: SERVICE EQUIPMENT
OATH summonsJUDGMENT DOCKETED
Docketed Oct 13, 2000Ticket #0116461300
20000808N
HPDClass C
VIOLATION CLOSED
Issued Feb 11, 2026#18635382

§ 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 HINGES AT DOOR AT COMPACTOR CLOSET, 5th STORY

View this violation's full details & status history →
HPDClass C
VIOLATION CLOSED
Issued Jun 30, 2025#18070271

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

View this violation's full details & status history →
HPDClass C
VIOLATION CLOSED
Issued Jun 30, 2025#18070273

§ 27-2005, 2007 ADM CODE REMOVE DEVICE PREVENTING DOOR FROM BEING SELF-CLOSING KICKSTAND ON COMPACTOR ROOM DOOR AT BASEMENT

View this violation's full details & status history →
HPDClass B
VIOLATION DISMISSED
Issued Apr 12, 2024#16851726

§ 27-2026, 2027 HMC: PROPERLY REPAIR THE SOURCE AND ABATE THE EVIDENCE OF A WATER LEAK AT CEILING IN THE 1st ROOM FROM EAST AT SOUTH LOCATED AT APT 2J, 2nd STORY, 1st APARTMENT FROM NORTH AT EAST

View this violation's full details & status history →
HPDClass C
VIOLATION DISMISSED
Issued Apr 12, 2024#16851725

§ 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR CEILING IN THE 1st ROOM FROM EAST AT SOUTH LOCATED AT APT 2J, 2nd STORY, 1st APARTMENT FROM NORTH AT EAST

View this violation's full details & status history →

+ 51 more violations on record — view full report

Get the Complete Report for 621 AVE Z

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

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Frequently Asked Questions

When was 621 AVE Z, Brooklyn built?

The building at 621 AVE Z, Brooklyn, NY 11223 was constructed in 1949. It is classified as a elevator apartment - semi-fireproof with 6 floors and 60 units. The building area is 58,570 sqft.

Are there building permits at 621 AVE Z, Brooklyn?

Yes. 621 AVE Z, Brooklyn, NY 11223 has 12 building permits on record, with 8 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 Jan 22, 2024.

Does 621 AVE Z, Brooklyn have violations?

Yes. 621 AVE Z, Brooklyn, NY 11223 has 56 violations on record, with 0 currently open. Breakdown: 19 DOB, 6 ECB, 31 HPD. Sources: NYC DOB, HPD, and ECB/OATH.

Does 621 AVE Z, Brooklyn have docketed judgments?

Yes. 621 AVE Z, Brooklyn, NY 11223 has 5 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 621 AVE Z?

621 AVE Z, Brooklyn, NY 11223 has an assessed market value of $4.6M and a total assessed value of $2.1M (land: $216K). Assessment data is from the NYC Department of Finance (DOF).

When was 621 AVE Z last sold?

621 AVE Z, Brooklyn, NY 11223 last sold for $1.5M on May 4, 2004. Sale records are sourced from NYC ACRIS and Department of Finance rolling sales data.

What is the zoning for 621 AVE Z?

621 AVE Z, Brooklyn, NY 11223 is zoned R5. 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 621 AVE Z?

621 AVE Z, Brooklyn, NY 11223 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 621 AVE Z?

Search 621 AVE Z 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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621 AVE Z, Brooklyn, NY 11223 — Property Records, Permits, Violations, Tax & Zoning | RegWatch