Manhattan

100 West 42 St

Manhattan, NY 10036Individually ownedBBL 1009941001BIN 1087119

Updated Aug 1, 2026 · 16 sources

Year Built1972
Floors41
Building Area1,041,794 sqft
ZoningC6-6
ClassRB
Market Value$544.9M

100 WEST 42 ST is a property located at 100 WEST 42 ST, Manhattan, NY 10036. The building was constructed in 1972. The building has 41 floors. The building area is 1,041,794 square feet on a 56,781 sqft lot. The property is zoned C6-6. The assessed market value is $544.9M. It last sold for $2200M on Jan 15, 2015. Public records list the property as individually owned. There are 1229 building permits on record (1170 active). There are 99 violations on record (1 currently open). 1 docketed judgment is 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

1,463records on file
26Energy Star

Completed in 1972, 100 West 42 St rises 41 stories over New York. Public records put it at 1,041,794 square feet of floor area, on land zoned C6-6. It is carried on the public rolls at a market value of $545M, and assessed for tax at $245M. In the 38 years its record reaches back, the lot has drawn 1,463 separate government filings — a paper trail nearly as tall as the building itself.

The documentary life of the address leans hard toward permit: 1,229 of its 1,463 records, fully 84%, fall under that one heading. Violation (99) and complaint (72) trail well behind. 1 violation stands open against it today.

The pace is anything but even. Activity is spread across the decades, with 2007 the busiest year on file.

On the environmental ledger, the building posts an Energy Star score of 26, with a site energy-use intensity of 117.8 kBtu per square foot. Its operations answer for roughly 15,304 metric tons of CO2-equivalent a year.

Read together — 84% permit, 38 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.

84% of every record here performs the same act: permit.

Property Details

Address100 WEST 42 ST, Manhattan, NY 10036
RB
Year Built1972
Floors41
Total UnitsN/A
Building Area1,041,794 sqft
Lot Size56,781 sqft
ZoningC6-6
1009941001
1087119
OwnershipIndividually owned

Assessment & Sales

$544.9M
$245.2M
$35.4M
$2200M
Last Sale DateJan 15, 2015

Building Permits

1229 on record · 1170 active
Construction EquipmentDOB Legacy
ISSUED
Filed Dec 3, 2020Job #123875299-01-01
Construction EquipmentDOB Legacy
ISSUED
Filed Nov 28, 2020Job #140982934-01-01
Construction EquipmentDOB Legacy
ISSUED
Filed Mar 5, 2020Job #123572133-01-01
Construction EquipmentDOB Legacy
ISSUED
Filed Jan 17, 2020Job #123796473-01-01
Construction EquipmentDOB Legacy
ISSUED
Filed Jan 17, 2020Job #123796473-02-01

+ 1224 more permitsview full report

Violations

99 on record · 1 open
Judgments · 1 docketed
FDNY summons (OATH)JUDGMENT DOCKETED
Docketed Jul 31, 1999Ticket #010650923N
FAILED TO PROVIDE SIGN POSTING INSTRUCT
DOB LegacyACC1
DISMISSED
Issued Jan 3, 2017#2124494

VIO ISSUED TO ELEVATOR - FAIL TO CORRECT DEFECTS ON 2015 CAT 1 INSP/TST

View this violation's full details & status history →
DOB LegacyElevator
DISMISSED
Issued Oct 31, 2014#1914746

VIOLATION ISSUED TO ELEVATOR-FAILURE TO FILE CATEGORY 1 2013 INSPECTION/TEST

View this violation's full details & status history →
DOB LegacyE
DELETED
Issued Mar 28, 2012#1767629
DOB LegacyE
RESOLVED
Issued Mar 28, 2012#1704854
DOB LegacyElevator
DISMISSED
Issued Oct 8, 2010#1536275

+ 94 more violations on record — view full report

Get the Complete Report for 100 WEST 42 ST

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

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Frequently Asked Questions

When was 100 WEST 42 ST, Manhattan built?

The building at 100 WEST 42 ST, Manhattan, NY 10036 was constructed in 1972. with 41 floors. The building area is 1,041,794 sqft.

Are there building permits at 100 WEST 42 ST, Manhattan?

Yes. 100 WEST 42 ST, Manhattan, NY 10036 has 1229 building permits on record, with 1170 currently active. Permits are sourced from the NYC Department of Buildings (DOB Legacy and DOB NOW systems). The most recent permit is a Construction Equipment (ISSUED) filed Dec 3, 2020.

Does 100 WEST 42 ST, Manhattan have violations?

Yes. 100 WEST 42 ST, Manhattan, NY 10036 has 99 violations on record, with 1 currently open. Breakdown: 51 DOB, 48 ECB. Sources: NYC DOB, HPD, and ECB/OATH.

Does 100 WEST 42 ST, Manhattan have docketed judgments?

Yes. 100 WEST 42 ST, Manhattan, NY 10036 has 1 docketed judgment 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 100 WEST 42 ST?

100 WEST 42 ST, Manhattan, NY 10036 has an assessed market value of $544.9M and a total assessed value of $245.2M (land: $35.4M). Assessment data is from the NYC Department of Finance (DOF).

When was 100 WEST 42 ST last sold?

100 WEST 42 ST, Manhattan, NY 10036 last sold for $2200M on Jan 15, 2015. Sale records are sourced from NYC ACRIS and Department of Finance rolling sales data.

What is the zoning for 100 WEST 42 ST?

100 WEST 42 ST, Manhattan, NY 10036 is zoned C6-6. 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 100 WEST 42 ST?

100 WEST 42 ST, Manhattan, NY 10036 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 100 WEST 42 ST?

Search 100 WEST 42 ST 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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100 WEST 42 ST, Manhattan, NY 10036 — Property Records, Permits, Violations, Tax & Zoning | RegWatch