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423 Lenox Ave

Manhattan, NY 10037Company-ownedBBL 1019160030BIN 1058103
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Updated Aug 1, 2026 · 16 sources

Year Built1910
Floors5
Units10
Building Area7,395 sqft
ZoningR7-2
ClassC7
Market Value$1.3M

423 LENOX AVE is a property located at 423 LENOX AVE, Manhattan, NY 10037. It is classified as a walk-up apartment - over six families with stores. The building was constructed in 1910. It has 5 floors and 10 units. The building area is 7,395 square feet on a 1,875 sqft lot. The property is zoned R7-2. The assessed market value is $1.3M. It last sold for $5.3M on Jul 29, 2013. Public records list the property as company-owned. There are 23 building permits on record (18 active). There are 34 violations on record (5 currently open). 33 docketed judgments carrying $570 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

253records on file

Completed in 1910, 423 Lenox Ave rises 5 stories over New York. Public records put it at 10 units and 7,395 square feet of floor area, on land zoned R7-2. It is carried on the public rolls at a market value of $1.3M, and assessed for tax at $581K. In the 60 years its record reaches back, the lot has drawn 253 separate government filings.

The documentary life of the address leans hard toward complaint: 68 of its 253 records, fully 27%, fall under that one heading. Enforcement (40) and violation (34) trail well behind. 5 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 2018.

Read together — 27% complaint, 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.

$1.3M of New York, written across 253 government filings.

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

Property Details

Address423 LENOX AVE, Manhattan, NY 10037
Building TypeWalk-Up Apartment - Over Six Families With Stores
C7
Year Built1910
Floors5
Total Units10
Building Area7,395 sqft
Lot Size1,875 sqft
ZoningR7-2
ConditionAverage
1019160030
1058103
OwnershipCompany-owned

Assessment & Sales

$1.3M
$581K
$26K
$5.3M
Last Sale DateJul 29, 2013

Building Permits

23 on record · 18 active
ElectricalDOB NOW
APPROVED
Filed May 10, 2021Job #M00421420-P1

INSTALL A METER AND 60A DISCONNECT SWITCH WITH 20A FUSE 1 EMT CONDUIT AND 3 SETS OF 4 THHN CONDUCTORS AND 3 SETS OF 12 THHN CONDUCTORS FOR CHARTER COMMUNICATIONS POWER SUPPLY

View this permit's full record & inspection history →
ElectricalDOB NOW
COMPLETE
Filed Oct 29, 2020Job #M00421420-I1-EL

INSTALL A METER AND 60A DISCONNECT SWITCH WITH 20A FUSE 1 EMT CONDUIT AND 3 SETS OF 4 THHN CONDUCTORS AND 3 SETS OF 12 THHN CONDUCTORS FOR CHARTER COMMUNICATIONS POWER SUPPLY

View this permit's full record & inspection history →
Cats RegistrationOther
EXPIRED
Filed Mar 8, 2011Job #68951
View this permit's full record & inspection history →
Construction EquipmentDOB Legacy
RE-ISSUED
Filed Dec 29, 2008Job #110425996-01-01

EQ

View this permit's full record & inspection history →
Construction EquipmentDOB Legacy
RE-ISSUED
Filed Dec 29, 2008Job #110425996-1-1-hist

EQ

View this permit's full record & inspection history →

+ 18 more permits — view full report

Violations

34 on record · 5 open
Open judgment balance — docketed OATH judgments$570
Judgments · 33 docketed
NYPD summons (OATH)JUDGMENT DOCKETED
Docketed Jan 31, 2025Balance $520Ticket #0218603514
FAILED TO PROVIDE NAME TELEPHONE NUMBER OF EMERGENCY CONTACT
Sanitation summons (OATH)JUDGMENT DOCKETED
Docketed Jan 31, 2024Balance $50Ticket #047952947Y
STORAGE OF RECEPTACLES PLACED OUT PRIOR TO 8PM WITHOUT A RECEPTACLE
Sanitation summons (OATH)JUDGMENT DOCKETED
Docketed Apr 30, 2022Ticket #046913553N
STORAGE OF RECEPTACLES
Sanitation summons (OATH)JUDGMENT DOCKETED
Docketed Nov 30, 2020Ticket #0209192345
FAILURE TO CLEAN 18 INCHES INTO STREET
Sanitation summons (OATH)JUDGMENT DOCKETED
Docketed May 31, 2019Ticket #0206471165
FAILURE TO CLEAN 18 INCHES INTO STREET

+ 28 more docketed judgments — view full report

HPDClass C
FIRST NO ACCESS TO RE- INSPECT VIOLATION
Issued Apr 10, 2025#17818878

§ 27-2031 ADM CODE PROVIDE HOT WATER AT ALL HOT WATER FIXTURES IN THE ENTIRE APARTMENT LOCATED AT APT 5B, 5th STORY, 1st APARTMENT FROM EAST AT SOUTH

View this violation's full details & status history →
HPDClass B
FIRST NO ACCESS TO RE- INSPECT VIOLATION
Issued Feb 4, 2018#12225285

§ 27-2026 ADM CODE REPAIR THE LEAKY AND/OR DEFECTIVE FAUCETS AT BATHTUB IN THE BATHROOM LOCATED AT APT 5B, 5th STORY, APARTMENT AT SOUTH

View this violation's full details & status history →
HPDClass A
FIRST NO ACCESS TO RE- INSPECT VIOLATION
Issued Aug 1, 2013#9926172

§ 27-2005 ADM CODE PROPERLY REPAIR THE BROKEN OR DEFECTIVE BELL-BUZZER/INTERCOM SYSTEM IN THE FOYER LOCATED AT APT 4A, 4th STORY, 1st APARTMENT FROM WEST AT NORTH

View this violation's full details & status history →
HPDClass B
NOV SENT OUT
Issued Aug 1, 2013#9926188

§ 27-2005 HMC:TRACE AND REPAIR THE SOURCE AND ABATE THE NUISANCE CONSISTING OF MOLD ... 16 SQUARE FEET AT WEST WALL IN THE 4th ROOM FROM EAST LOCATED AT APT 4A, 4th STORY, 1st APARTMENT FROM WEST AT NORTH

View this violation's full details & status history →
HPDClass B
FIRST NO ACCESS TO RE- INSPECT VIOLATION
Issued Aug 1, 2013#9926196

§ 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR THE CEILING AND WEST WALL IN THE 4th ROOM FROM EAST LOCATED AT APT 4A, 4th STORY, 1st APARTMENT FROM WEST AT NORTH

View this violation's full details & status history →

+ 29 more violations on record — view full report

Get the Complete Report for 423 LENOX 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 423 LENOX AVE, Manhattan built?

The building at 423 LENOX AVE, Manhattan, NY 10037 was constructed in 1910. It is classified as a walk-up apartment - over six families with stores with 5 floors and 10 units. The building area is 7,395 sqft.

Are there building permits at 423 LENOX AVE, Manhattan?

Yes. 423 LENOX AVE, Manhattan, NY 10037 has 23 building permits on record, with 18 currently active. Permits are sourced from the NYC Department of Buildings (DOB Legacy and DOB NOW systems). The most recent permit is a Electrical (APPROVED) filed May 10, 2021.

Does 423 LENOX AVE, Manhattan have violations?

Yes. 423 LENOX AVE, Manhattan, NY 10037 has 34 violations on record, with 5 currently open. Breakdown: 13 DOB, 1 ECB, 20 HPD. Sources: NYC DOB, HPD, and ECB/OATH.

Does 423 LENOX AVE, Manhattan have docketed judgments?

Yes. 423 LENOX AVE, Manhattan, NY 10037 has 33 docketed judgments on record with the NYC Office of Administrative Trials & Hearings (OATH), with an open balance of $570. 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 423 LENOX AVE?

423 LENOX AVE, Manhattan, NY 10037 has an assessed market value of $1.3M and a total assessed value of $581K (land: $26K). Assessment data is from the NYC Department of Finance (DOF).

When was 423 LENOX AVE last sold?

423 LENOX AVE, Manhattan, NY 10037 last sold for $5.3M on Jul 29, 2013. Sale records are sourced from NYC ACRIS and Department of Finance rolling sales data.

What is the zoning for 423 LENOX AVE?

423 LENOX AVE, Manhattan, NY 10037 is zoned R7-2. 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 423 LENOX AVE?

423 LENOX AVE, Manhattan, NY 10037 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 423 LENOX AVE?

Search 423 LENOX 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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423 LENOX AVE, Manhattan, NY 10037 — Property Records, Permits, Violations, Tax & Zoning | RegWatch