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Manhattan • Elevator Apartment

400 West End Ave

Manhattan, NY 10024Company-ownedBBL 1012270001BIN 1032622
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Updated Aug 1, 2026 · 16 sources

Year Built1931
Floors20
Units95
Building Area190,359 sqft
ZoningR10A
ClassD4
Market Value$45.4M

400 WEST END AVE is a property located at 400 WEST END AVE, Manhattan, NY 10024. It is classified as a elevator apartment - cooperative. The building was constructed in 1931. It has 20 floors and 95 units. The building area is 190,359 square feet on a 12,770 sqft lot. The property is zoned R10A. The assessed market value is $45.4M. Public records list the property as company-owned. There are 436 building permits on record (314 active). There are 95 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

829records on file

Completed in 1931, 400 West End Ave rises 20 stories over New York. Public records put it at 95 units and 190,359 square feet of floor area, on land zoned R10A. It is carried on the public rolls at a market value of $45.4M, and assessed for tax at $20.4M. In the 60 years its record reaches back, the lot has drawn 829 separate government filings — a paper trail nearly as tall as the building itself.

The documentary life of the address leans hard toward permit: 436 of its 829 records, fully 53%, fall under that one heading. Inspection (150) and violation (95) 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 2023.

On the environmental ledger, the building is benchmarked under Local Law 84, with a site energy-use intensity of 60.6 kBtu per square foot. Its operations answer for roughly 960 metric tons of CO2-equivalent a year.

Read together — 53% permit, 60 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.

$45.4M of New York, written across 829 government filings.

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

Property Details

Address400 WEST END AVE, Manhattan, NY 10024
Building TypeElevator Apartment - Cooperative
D4
Year Built1931
Floors20
Total Units95
Building Area190,359 sqft
Lot Size12,770 sqft
ZoningR10A
ConditionAverage
1012270001
1032622
OwnershipCompany-owned

Assessment & Sales

$45.4M
$20.4M
$2.4M

Building Permits

436 on record · 314 active
Alteration — Type 2DOB Legacy
SIGNED OFF
Filed Jun 18, 2026Est. cost $242KJob #123109340-01

GEN. CONSTR.

View this permit's full record & inspection history →
ElectricalDOB NOW
PERMIT ISSUED
Filed Feb 20, 2026Job #M01362647-I1-EL

Apt 8D kitchen renovation.

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Cats RegistrationOther
CURRENT
Filed Feb 18, 2026Job #484556
View this permit's full record & inspection history →
General ConstructionDOB NOW
LOC ISSUED
Filed Jan 29, 2026Est. cost $5KJob #M00920256-I1
View this permit's full record & inspection history →
General ConstructionDOB NOW
LOC ISSUED
Filed Jan 29, 2026Est. cost $7KJob #M00374593-I1
View this permit's full record & inspection history →

+ 431 more permits — view full report

Violations

95 on record · none currently open
Judgments · 5 docketed
DOB summons (OATH)JUDGMENT DOCKETED
Docketed May 31, 2019Ticket #037012206Y
FAIL TO FILE AMENDMENT ACCEPTABLE REPORT TO CORRECT UNSAFE CONDITIONS
DEP summons (OATH)JUDGMENT DOCKETED
Docketed Mar 31, 2017Ticket #0193511744
FAILED TO SUBMIT AN ANNUAL TEST REPORT FOR A BACKFLOW PREVENTER
DOT summons (OATH)JUDGMENT DOCKETED
Docketed Oct 21, 2013Ticket #0182191525
FAILURE TO COMPLY WITH THE TERMS AND CONDITIONS OF DOT PERMITS
OATH summonsJUDGMENT DOCKETED
Docketed Feb 24, 2003Ticket #038125108H
22W06/ 15B06/ 74I12/ 40I12/ 40B14/ 22W06 PROPELY LOCK EMERGENCY E
OATH summonsJUDGMENT DOCKETED
Docketed Feb 24, 2003Ticket #038125109J
04B07/ INSPECTION REVEALS THERE IS EXISTING SIDE EXIT SWITCH HOWEVER
DOB LegacyAEUHAZ1
DISMISSED
Issued Oct 4, 2023#2739368

FAILURE TO CERTIFY CORRECTION ON IMMEDIATELY HAZARDOUS (CLASS 1) ECB VIOLATION

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DOB LegacyAEUHAZ1
DISMISSED
Issued Oct 4, 2023#2739369

FAILURE TO CERTIFY CORRECTION ON IMMEDIATELY HAZARDOUS (CLASS 1) ECB VIOLATION

View this violation's full details & status history →
DOB LegacyFacade Safety (FISP)
DISMISSED
Issued Feb 10, 2023#2608542

CYCLE 9B UNSAFE REPORT FILED

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ECBConstruction
RESOLVE
Issued Aug 31, 2022#39505843P

NOTE: OBSERVED AN ACTIVE FACADE JOB SITE & APARTMENT DOORS LEADING TO BALCONY ACCESSIBLE FOR TENANT WHERE OUTRIGGER BEAMS, CONSTRUCTION TOOLS, MATERIALS PRESENT, HAZARD OR UNSAFE BALCONY FOR TENANT. SUSPENDED S

View this violation's full details & status history →
ECBConstruction
RESOLVE
Issued Aug 31, 2022#39505828R

NOTE: OBSERVED HANGER OR STIRRUP PLACED MORE THAN 18INCH FROM THE END OF PLATFORM WHICH IS ABOUT 4FEET NOT AS PER CD-5 OR MANUFACTURER SPECIFICATION WHEN USING SUSPENDED SCAFFOLD PLATFORM AT FACADE WORK. CREATI

View this violation's full details & status history →

+ 90 more violations on record — view full report

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

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Frequently Asked Questions

When was 400 WEST END AVE, Manhattan built?

The building at 400 WEST END AVE, Manhattan, NY 10024 was constructed in 1931. It is classified as a elevator apartment - cooperative with 20 floors and 95 units. The building area is 190,359 sqft.

Are there building permits at 400 WEST END AVE, Manhattan?

Yes. 400 WEST END AVE, Manhattan, NY 10024 has 436 building permits on record, with 314 currently active. Permits are sourced from the NYC Department of Buildings (DOB Legacy and DOB NOW systems). The most recent permit is a Alteration — Type 2 (SIGNED OFF) filed Jun 18, 2026.

Does 400 WEST END AVE, Manhattan have violations?

Yes. 400 WEST END AVE, Manhattan, NY 10024 has 95 violations on record, with 0 currently open. Breakdown: 58 DOB, 25 ECB, 12 HPD. Sources: NYC DOB, HPD, and ECB/OATH.

Does 400 WEST END AVE, Manhattan have docketed judgments?

Yes. 400 WEST END AVE, Manhattan, NY 10024 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 400 WEST END AVE?

400 WEST END AVE, Manhattan, NY 10024 has an assessed market value of $45.4M and a total assessed value of $20.4M (land: $2.4M). Assessment data is from the NYC Department of Finance (DOF).

What is the zoning for 400 WEST END AVE?

400 WEST END AVE, Manhattan, NY 10024 is zoned R10A. 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 400 WEST END AVE?

400 WEST END AVE, Manhattan, NY 10024 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 400 WEST END AVE?

Search 400 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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400 WEST END AVE, Manhattan, NY 10024 — Property Records, Permits, Violations, Tax & Zoning | RegWatch