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

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Year Built1910

Floors5

Units8

Building Area8,400 sqft

ZoningR7-2

ClassS9

Market Value$961K

521 LENOX AVE is a property located at 521 LENOX AVE, Manhattan, NY 10037. It is classified as a primarily residential - mixed use misc. The building was constructed in 1910. It has 5 floors and 8 units. The building area is 8,400 square feet on a 1,869 sqft lot. The property is zoned R7-2. The assessed market value is $961K. It last sold for $90K on Jul 19, 2002. Public records list the property as individually owned. There are 28 building permits on record (24 active). There are 245 violations on record (31 currently open). 94 docketed judgments carrying $14,625 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

648records on file

Completed in 1910, 521 Lenox Ave rises 5 stories over New York. Public records put it at 8 units and 8,400 square feet of floor area, on land zoned R7-2. It is carried on the public rolls at a market value of $961K, and assessed for tax at $432K. In the 59 years its record reaches back, the lot has drawn 648 separate government filings.

The documentary life of the address leans hard toward violation: 245 of its 648 records, fully 38%, fall under that one heading. Enforcement (131) and inspection (90) trail well behind. 31 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 2019.

Read together — 38% violation, 59 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.

$961K of New York, written across 648 government filings.

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Executive summary, compliance history, title chain & existing debt, recorded documents & agreements, owner contacts, tax detail, Use & Development, build envelope, market comps, investment metrics, deal math & stress tests, deal signals, pre-foreclosure signals, neighborhood. Downloadable PDF. One payment, no subscription.

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Sources

NYC DOB NYC HPD NYC DOF ACRIS NYC DCP ECB/OATH NYC DEP NYC LPC NYC FDNY NYS DHCR MOCEJ FEMA EPA US Census HUD USGS

latest record Sep 30, 2026

Property Details

Address521 LENOX AVE, Manhattan, NY 10037

Building TypePrimarily Residential - Mixed Use Misc

Building ClassS9

Year Built1910

Floors5

Total Units8

Building Area8,400 sqft

Lot Size1,869 sqft

ZoningR7-2

ConditionAverage

BBL1019210029

BIN1058330

OwnershipIndividually owned

Assessment & Sales

Market Value$961K

Assessed Total$432K

Assessed Land$329K

Last Sale Price$90K

Last Sale DateJul 19, 2002

Building Permits

28 on record · 24 active

General ConstructionDOB NOW

PERMIT ENTIRE

Filed Aug 15, 2022Est. cost $8KJob #M00776095-I1

View this permit's full record & inspection history →

General ConstructionDOB NOW

APPROVED

Filed Aug 15, 2022Est. cost $8KJob #M00776095-P1

View this permit's full record & inspection history →

BoilerDOB NOW

SIGNED-OFF

Filed Aug 5, 2022Est. cost $8KJob #M00776095-I1

Initial Permit

View this permit's full record & inspection history →

General ConstructionDOB NOW

APPROVED

Filed Jun 21, 2022Est. cost $13KJob #M00724502-P1

View this permit's full record & inspection history →

General ConstructionDOB NOW

PERMIT ENTIRE

Filed Jun 21, 2022Est. cost $13KJob #M00724502-I1

View this permit's full record & inspection history →

+ 23 more permits — view full report

Violations

245 on record · 31 open

Open judgment balance — docketed OATH judgments$14,625

Judgments · 94 docketed

Sanitation summons (OATH)JUDGMENT DOCKETED

Docketed Sep 4, 2026Balance $100Ticket #049509913M

SPILLAGE FROM A RECEPTACLE 1ST OFFENSE

Sanitation summons (OATH)JUDGMENT DOCKETED

Docketed Sep 30, 2026Balance $300Ticket #049561585K

FAILURE TO CLEAN 18 INCHES INTO STREET

Sanitation summons (OATH)JUDGMENT DOCKETED

Docketed Sep 30, 2026Balance $300Ticket #049561524R

LOOSE RUBBISH 1ST OCCURRENCE

Sanitation summons (OATH)JUDGMENT DOCKETED

Docketed May 31, 2026Balance $300Ticket #049367770N

FAILURE TO CLEAN 18 INCHES INTO STREET

Sanitation summons (OATH)JUDGMENT DOCKETED

Docketed Apr 30, 2026Balance $300Ticket #049367731K

FAILURE TO CLEAN 18 INCHES INTO STREET

+ 89 more docketed judgments — view full report

HPDClass A

NOV SENT OUT

Issued Apr 29, 2026#18835849

(A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPDS WEBSITE, WWW.NYC.GOV\HPD, SEARCH BED BUGS.

View this violation's full details & status history →

SafetyGas Piping Ll152

ACTIVE

Issued Jan 8, 2026#VIO-FTF-PL-PER-202412-0180924

Cycle 2, Sub-cycle A (premises is in Community District 10)

View this violation's full details & status history →

HPDClass I

INFO NOV SENT OUT

Issued Nov 17, 2025#18385496

§27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE §27-2097 AND IS THEREFORE SUBJECT TO CIVIL PENALTIES, PROHIBITED FROM CERTIFYING VIOLATIONS, AND DENIED THE RIGHT TO RECOVER POSSESSION OF PREMISES FOR NONPAYMENT OF RENT UNTIL A VALID REGISTRATION STATEMENT IS FILED.

View this violation's full details & status history →

DOB LegacyLBLVIO

ACTIVE

Issued Nov 14, 2025#2799842

VIOLATION ISSUED-FAILURE TO FILE 2024 EXTERNAL LOW PRESSURE INSPECTION

View this violation's full details & status history →

HPDClass A

NOV SENT OUT

Issued Jun 4, 2025#17951128

(A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPDS WEBSITE, WWW.NYC.GOV\HPD, SEARCH BED BUGS.

View this violation's full details & status history →

+ 240 more violations on record — view full report

Get the Complete Report for 521 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 521 LENOX AVE, Manhattan built?

The building at 521 LENOX AVE, Manhattan, NY 10037 was constructed in 1910. It is classified as a primarily residential - mixed use misc with 5 floors and 8 units. The building area is 8,400 sqft.

Are there building permits at 521 LENOX AVE, Manhattan?

Yes. 521 LENOX AVE, Manhattan, NY 10037 has 28 building permits on record, with 24 currently active. Permits are sourced from the NYC Department of Buildings (DOB Legacy and DOB NOW systems). The most recent permit is a General Construction (PERMIT ENTIRE) filed Aug 15, 2022.

Does 521 LENOX AVE, Manhattan have violations?

Yes. 521 LENOX AVE, Manhattan, NY 10037 has 245 violations on record, with 31 currently open. Breakdown: 1 DOB Safety, 15 DOB, 2 ECB, 227 HPD. Sources: NYC DOB, HPD, and ECB/OATH.

Does 521 LENOX AVE, Manhattan have docketed judgments?

Yes. 521 LENOX AVE, Manhattan, NY 10037 has 94 docketed judgments on record with the NYC Office of Administrative Trials & Hearings (OATH), with an open balance of $14,625. 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 521 LENOX AVE?

521 LENOX AVE, Manhattan, NY 10037 has an assessed market value of $961K and a total assessed value of $432K (land: $329K). Assessment data is from the NYC Department of Finance (DOF).

When was 521 LENOX AVE last sold?

521 LENOX AVE, Manhattan, NY 10037 last sold for $90K on Jul 19, 2002. Sale records are sourced from NYC ACRIS and Department of Finance rolling sales data.

What is the zoning for 521 LENOX AVE?

521 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 521 LENOX AVE?

521 LENOX AVE, Manhattan, NY 10037 is individually 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 521 LENOX AVE?

Search 521 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 ($15, one-time) adds the complete title history, owner contacts, and a downloadable PDF.

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