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Manhattan • Condo

6 Cortlandt Alley

Manhattan, NY 10013Company-ownedBBL 1001721601BIN 1001865
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Updated Aug 1, 2026 · 16 sources

Year Built1854
Floors7
Units6
Building Area20,105 sqft
ZoningC6-4A
ClassRM
Market Value$1.5M

6 CORTLANDT ALLEY is a property located at 6 CORTLANDT ALLEY, Manhattan, NY 10013. It is classified as a condo - multi-dwelling. The building was constructed in 1854. It has 7 floors and 6 units. The building area is 20,105 square feet on a 3,776 sqft lot. The property is zoned C6-4A. The assessed market value is $1.5M. It last sold for $5.3M on Apr 6, 2023. Public records list the property as company-owned. There are 145 building permits on record (96 active). There are 111 violations on record (2 currently open). 14 docketed judgments carrying $600 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

547records on file

Completed in 1854, 6 Cortlandt Alley rises 7 stories over New York. Public records put it at 6 units and 20,105 square feet of floor area, on land zoned C6-4A. It is carried on the public rolls at a market value of $1.5M, and assessed for tax at $683K. In the 41 years its record reaches back, the lot has drawn 547 separate government filings.

The documentary life of the address leans hard toward permit: 145 of its 547 records, fully 27%, fall under that one heading. Violation (111) and complaint (82) trail well behind. 2 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 is benchmarked under Local Law 84, with a site energy-use intensity of 29.1 kBtu per square foot. Its operations answer for roughly 73 metric tons of CO2-equivalent a year.

Read together — 27% permit, 41 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.

$1.5M of New York, written across 547 government filings.

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

Property Details

Address6 CORTLANDT ALLEY, Manhattan, NY 10013
Building TypeCondo - Multi-Dwelling
RM
Year Built1854
Floors7
Total Units6
Building Area20,105 sqft
Lot Size3,776 sqft
ZoningC6-4A
ConditionAverage
1001721601
1001865
OwnershipCompany-owned

Assessment & Sales

$1.5M
$683K
$81K
$5.3M
Last Sale DateApr 6, 2023

Building Permits

145 on record · 96 active
Alteration — Type 1DOB Legacy
SIGNED OFF
Filed Jul 17, 2025Est. cost $3KJob #121519589-01

GEN. CONSTR.

View this permit's full record & inspection history →
Alteration — Type 1DOB Legacy
SIGNED OFF
Filed Jul 17, 2025Job #121519589-02

STRUCTURAL

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ElectricalDOB NOW
PERMIT ISSUED
Filed May 7, 2025Job #M01221900-I1-EL

INSTALLATION OF LIGHTING FOR SIDEWALK SHED.

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Supported ScaffoldDOB NOW
PERMIT ISSUED
Filed Apr 30, 2025Est. cost $24KJob #M01216541-I1

Initial Permit

View this permit's full record & inspection history →
General ConstructionDOB NOW
PERMIT ENTIRE
Filed Apr 30, 2025Est. cost $24KJob #M01216541-I1
View this permit's full record & inspection history →

+ 140 more permits — view full report

Violations

111 on record · 2 open
Open judgment balance — docketed OATH judgments$600
Judgments · 14 docketed
Sanitation summons (OATH)JUDGMENT DOCKETED
Docketed Apr 30, 2026Balance $300Ticket #049360179Y
IMPROPER RECEPTACLE FAILURE TO CONTAINERIZE - RESIDENTIAL 1ST
Sanitation summons (OATH)JUDGMENT DOCKETED
Docketed Mar 31, 2026Balance $300Ticket #049360093N
IMPROPER RECEPTACLE FAILURE TO CONTAINERIZE - RESIDENTIAL 1ST
Sanitation summons (OATH)JUDGMENT DOCKETED
Docketed Feb 28, 2026Ticket #049244897K
IMPROPER RECEPTACLE FAILURE TO CONTAINERIZE - RESIDENTIAL 1ST
FDNY summons (OATH)JUDGMENT DOCKETED
Docketed Aug 31, 2022Ticket #014012337J
INSPECTION AND TESTING
Sanitation summons (OATH)JUDGMENT DOCKETED
Docketed Dec 31, 2021Ticket #047113938P
STORAGE OF RECEPTACLES

+ 9 more docketed judgments — view full report

HPDClass A
NOV SENT OUT
Issued Apr 29, 2026#18830367

(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 →
HPDClass I
INFO NOV SENT OUT
Issued Nov 17, 2025#18381626

§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 →

+ 109 more violations on record — view full report

Get the Complete Report for 6 CORTLANDT ALLEY

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

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Frequently Asked Questions

When was 6 CORTLANDT ALLEY, Manhattan built?

The building at 6 CORTLANDT ALLEY, Manhattan, NY 10013 was constructed in 1854. It is classified as a condo - multi-dwelling with 7 floors and 6 units. The building area is 20,105 sqft.

Are there building permits at 6 CORTLANDT ALLEY, Manhattan?

Yes. 6 CORTLANDT ALLEY, Manhattan, NY 10013 has 145 building permits on record, with 96 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 1 (SIGNED OFF) filed Jul 17, 2025.

Does 6 CORTLANDT ALLEY, Manhattan have violations?

Yes. 6 CORTLANDT ALLEY, Manhattan, NY 10013 has 111 violations on record, with 2 currently open. Breakdown: 65 DOB, 41 ECB, 5 HPD. Sources: NYC DOB, HPD, and ECB/OATH.

Does 6 CORTLANDT ALLEY, Manhattan have docketed judgments?

Yes. 6 CORTLANDT ALLEY, Manhattan, NY 10013 has 14 docketed judgments on record with the NYC Office of Administrative Trials & Hearings (OATH), with an open balance of $600. 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 6 CORTLANDT ALLEY?

6 CORTLANDT ALLEY, Manhattan, NY 10013 has an assessed market value of $1.5M and a total assessed value of $683K (land: $81K). Assessment data is from the NYC Department of Finance (DOF).

When was 6 CORTLANDT ALLEY last sold?

6 CORTLANDT ALLEY, Manhattan, NY 10013 last sold for $5.3M on Apr 6, 2023. Sale records are sourced from NYC ACRIS and Department of Finance rolling sales data.

What is the zoning for 6 CORTLANDT ALLEY?

6 CORTLANDT ALLEY, Manhattan, NY 10013 is zoned C6-4A. 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 6 CORTLANDT ALLEY?

6 CORTLANDT ALLEY, Manhattan, NY 10013 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 6 CORTLANDT ALLEY?

Search 6 CORTLANDT ALLEY 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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6 CORTLANDT ALLEY, Manhattan, NY 10013 — Property Records, Permits, Violations, Tax & Zoning | RegWatch