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Manhattan • Condo

21 West End Ave

Manhattan, NY 10023BBL 1011717510BIN 1088870
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Updated Aug 1, 2026 · 16 sources

Year Built2013
Floors43
Units622
Building Area630,198 sqft
ZoningC4-7
ClassRM
Market Value$67.8M

21 WEST END AVE is a property located at 21 WEST END AVE, Manhattan, NY 10023. It is classified as a condo - multi-dwelling. The building was constructed in 2013. It has 43 floors and 622 units. The building area is 630,198 square feet on a 83,139 sqft lot. The property is zoned C4-7. The assessed market value is $67.8M. There are 272 building permits on record (162 active). There are 124 violations on record (14 currently open). 33 docketed judgments carrying $3,255 in open balances 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

1,131records on file
47Energy Star

Completed in 2013, 21 West End Ave rises 43 stories over New York. Public records put it at 622 units and 630,198 square feet of floor area, on land zoned C4-7. It is carried on the public rolls at a market value of $67.8M, and assessed for tax at $30.5M. In the 51 years its record reaches back, the lot has drawn 1,131 separate government filings — a paper trail nearly as tall as the building itself.

The documentary life of the address leans hard toward permit: 272 of its 1,131 records, fully 24%, fall under that one heading. Inspection (272) and complaint (238) trail well behind. 14 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 2026.

On the environmental ledger, the building posts an Energy Star score of 47, with a site energy-use intensity of 60.7 kBtu per square foot. Its operations answer for roughly 4,152 metric tons of CO2-equivalent a year.

Read together — 24% permit, 51 years of accumulation, a parcel of New York — these scattered records compose a portrait of the address that no single page sets out to draw.

$67.8M of New York, written across 1,131 government filings.

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

Property Details

Address21 WEST END AVE, Manhattan, NY 10023
Building TypeCondo - Multi-Dwelling
RM
Year Built2013
Floors43
Total Units622
Building Area630,198 sqft
Lot Size83,139 sqft
ZoningC4-7
ConditionGood
1011717510
1088870

Assessment & Sales

$67.8M
$30.5M
$8.1M

Building Permits

272 on record · 162 active
Supported ScaffoldDOB NOW
PERMIT ISSUED
Filed Jun 12, 2026Est. cost $5KJob #M01374719-I1

Renewal Permit Without Changes

View this permit's full record & inspection history →
General ConstructionDOB NOW
SIGNED-OFF
Filed May 14, 2026Est. cost $265KJob #M01291835-I1

Initial Permit

View this permit's full record & inspection history →
General ConstructionDOB NOW
PERMIT ENTIRE
Filed May 14, 2026Est. cost $265KJob #M01291835-I1
View this permit's full record & inspection history →
Suspended ScaffoldDOB NOW
PERMIT ISSUED
Filed Apr 3, 2026Job #M01022871-I1

Renewal Permit with Changes

View this permit's full record & inspection history →
General ConstructionDOB NOW
PERMIT ENTIRE
Filed Apr 3, 2026Job #M01022871-I1
View this permit's full record & inspection history →

+ 267 more permits — view full report

Violations

124 on record · 14 open
Open judgment balance — docketed OATH judgments$3,255
Judgments · 33 docketed
Sanitation summons (OATH)JUDGMENT DOCKETED
Docketed Mar 31, 2026Ticket #049284768K
IMPROPER RECEPTACLE NON-RESIDENTIAL 1ST
Sanitation summons (OATH)JUDGMENT DOCKETED
Docketed Mar 31, 2026Balance $450Ticket #049284708Z
DIRTY AREA COMM MAN INDUSTRIAL MIXED USE 1ST
FDNY summons (OATH)JUDGMENT DOCKETED
Docketed Jul 13, 2026Balance $935Ticket #012171637R
FIRE PROTECTION SYSTEMS:FAIL TO PREVENT UNNECESSARY UNWARRANTED ALARMS
FDNY summons (OATH)JUDGMENT DOCKETED
Docketed Mar 31, 2026Ticket #012162863K
FIRE PROTECTION SYSTEMS:FAIL TO PREVENT UNNECESSARY UNWARRANTED ALARMS
FDNY summons (OATH)JUDGMENT DOCKETED
Docketed May 31, 2026Balance $935Ticket #012164363N
FIRE PROTECTION SYSTEMS:FAIL TO PREVENT UNNECESSARY UNWARRANTED ALARMS

+ 28 more docketed judgments — view full report

HPDClass B
VIOLATION WILL BE REINSPECTED
Issued May 8, 2026#18879251

§ 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR AT CEILING IN THE KITCHEN LOCATED AT APT 1102, 11th STORY, 1st APARTMENT FROM WEST AT NORTH

View this violation's full details & status history →
HPDClass B
VIOLATION WILL BE REINSPECTED
Issued May 8, 2026#18879249

§ 27-2026, 2027 HMC: PROPERLY REPAIR THE SOURCE AND ABATE THE EVIDENCE OF A WATER LEAK AT CEILING IN THE BATHROOM LOCATED AT APT 1102, 11th STORY, 1st APARTMENT FROM WEST AT NORTH

View this violation's full details & status history →
HPDClass B
VIOLATION WILL BE REINSPECTED
Issued May 8, 2026#18879250

§ 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR AT CEILING AND ALL WALLS IN THE 1st BATHROOM FROM EAST LOCATED AT APT 1102, 11th STORY, 1st APARTMENT FROM WEST AT NORTH

View this violation's full details & status history →
HPDClass B
VIOLATION WILL BE REINSPECTED
Issued Apr 20, 2026#18807197

§ 27-2005 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE WOOD FLOOR IN THE 1st ROOM FROM EAST LOCATED AT APT 2706, 27th STORY, 1st APARTMENT FROM SOUTH AT WEST

View this violation's full details & status history →
HPDClass B
VIOLATION WILL BE REINSPECTED
Issued Apr 20, 2026#18807200

§ 27-2005 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE WOOD FLOOR IN THE 2nd ROOM FROM EAST LOCATED AT APT 2706, 27th STORY, 1st APARTMENT FROM SOUTH AT WEST

View this violation's full details & status history →

+ 119 more violations on record — view full report

Get the Complete Report for 21 WEST END 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 21 WEST END AVE, Manhattan built?

The building at 21 WEST END AVE, Manhattan, NY 10023 was constructed in 2013. It is classified as a condo - multi-dwelling with 43 floors and 622 units. The building area is 630,198 sqft.

Are there building permits at 21 WEST END AVE, Manhattan?

Yes. 21 WEST END AVE, Manhattan, NY 10023 has 272 building permits on record, with 162 currently active. Permits are sourced from the NYC Department of Buildings (DOB Legacy and DOB NOW systems). The most recent permit is a Supported Scaffold (PERMIT ISSUED) filed Jun 12, 2026.

Does 21 WEST END AVE, Manhattan have violations?

Yes. 21 WEST END AVE, Manhattan, NY 10023 has 124 violations on record, with 14 currently open. Breakdown: 53 DOB, 39 ECB, 32 HPD. Sources: NYC DOB, HPD, and ECB/OATH.

Does 21 WEST END AVE, Manhattan have docketed judgments?

Yes. 21 WEST END AVE, Manhattan, NY 10023 has 33 docketed judgments on record with the NYC Office of Administrative Trials & Hearings (OATH), with an open balance of $3,255. 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 21 WEST END AVE?

21 WEST END AVE, Manhattan, NY 10023 has an assessed market value of $67.8M and a total assessed value of $30.5M (land: $8.1M). Assessment data is from the NYC Department of Finance (DOF).

What is the zoning for 21 WEST END AVE?

21 WEST END AVE, Manhattan, NY 10023 is zoned C4-7. 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.

How do I get a full property report for 21 WEST END AVE?

Search 21 WEST END 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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21 WEST END AVE, Manhattan, NY 10023 — Property Records, Permits, Violations, Tax & Zoning | RegWatch