Manhattan

1 United Nations Plaza

Manhattan, NY 10017Individually ownedBBL 1013371101BIN 1038758

Updated Aug 1, 2026 · 16 sources

Year Built1977
Floors39
Building Area586,305 sqft
ZoningC5-2
ClassRH
Market Value$58.2M

1 UNITED NATIONS PLAZA is a property located at 1 UNITED NATIONS PLAZA, Manhattan, NY 10017. The building was constructed in 1977. The building has 39 floors. The building area is 586,305 square feet on a 17,556 sqft lot. The property is zoned C5-2. The assessed market value is $58.2M. Public records list the property as individually owned. There are 71 building permits on record (70 active). There are 49 violations on record (23 currently open). Data sourced from NYC Department of Buildings (DOB), Housing Preservation & Development (HPD), Department of Finance (DOF), and other government agencies.

A RegWatch Dossier

177records on file
63Energy Star

Completed in 1977, 1 United Nations Plaza rises 39 stories over New York. Public records put it at 586,305 square feet of floor area, on land zoned C5-2. It is carried on the public rolls at a market value of $58.2M, and assessed for tax at $26.2M. In the 35 years its record reaches back, the lot has drawn 177 separate government filings.

The documentary life of the address leans hard toward permit: 71 of its 177 records, fully 40%, fall under that one heading. Violation (49) and complaint (25) trail well behind. 23 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 2016.

On the environmental ledger, the building posts an Energy Star score of 63, with a site energy-use intensity of 91.8 kBtu per square foot. Its operations answer for roughly 4,801 metric tons of CO2-equivalent a year.

Read together — 40% permit, 35 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.

$58.2M of New York, written across 177 government filings.

Property Details

Address1 UNITED NATIONS PLAZA, Manhattan, NY 10017
RH
Year Built1977
Floors39
Total UnitsN/A
Building Area586,305 sqft
Lot Size17,556 sqft
ZoningC5-2
1013371101
1038758
OwnershipIndividually owned

Assessment & Sales

$58.2M
$26.2M
$7.2M

Building Permits

71 on record · 70 active
Construction EquipmentDOB Legacy
ISSUED
Filed Dec 11, 2019Job #123154433-01-02
Construction EquipmentDOB Legacy
ISSUED
Filed Dec 11, 2019Job #123154433-02-02
Construction EquipmentDOB Legacy
ISSUED
Filed May 8, 2019Job #123676502-02-01
Construction EquipmentDOB Legacy
ISSUED
Filed May 8, 2019Job #123676502-01-01
Construction EquipmentDOB Legacy
ISSUED
Filed Jan 4, 2019Job #123154433-01-01

+ 66 more permitsview full report

Violations

49 on record · 23 open
DOB LegacyACC1
ACTIVE
Issued Sep 6, 2019#2389168

VIO ISSUED TO ELEVATOR - FAIL TO CORRECT DEFECTS ON 2017 CAT 1 INSP/TST TST

View this violation's full details & status history →
DOB LegacyACC1
ACTIVE
Issued Sep 6, 2019#2389169

VIO ISSUED TO ELEVATOR - FAIL TO CORRECT DEFECTS ON 2017 CAT 1 INSP/TST TST

View this violation's full details & status history →
DOB LegacyACC1
ACTIVE
Issued Sep 6, 2019#2389170

VIO ISSUED TO ELEVATOR - FAIL TO CORRECT DEFECTS ON 2017 CAT 1 INSP/TST TST

View this violation's full details & status history →
DOB LegacyACC1
ACTIVE
Issued Sep 6, 2019#2389171

VIO ISSUED TO ELEVATOR - FAIL TO CORRECT DEFECTS ON 2017 CAT 1 INSP/TST TST

View this violation's full details & status history →
DOB LegacyACC1
ACTIVE
Issued Sep 6, 2019#2389172

VIO ISSUED TO ELEVATOR - FAIL TO CORRECT DEFECTS ON 2017 CAT 1 INSP/TST TST

View this violation's full details & status history →

+ 44 more violations on record — view full report

Get the Complete Report for 1 UNITED NATIONS PLAZA

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

Free to view core records, no credit card required — the paid report adds title history & analysis.

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Frequently Asked Questions

When was 1 UNITED NATIONS PLAZA, Manhattan built?

The building at 1 UNITED NATIONS PLAZA, Manhattan, NY 10017 was constructed in 1977. with 39 floors. The building area is 586,305 sqft.

Are there building permits at 1 UNITED NATIONS PLAZA, Manhattan?

Yes. 1 UNITED NATIONS PLAZA, Manhattan, NY 10017 has 71 building permits on record, with 70 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 11, 2019.

Does 1 UNITED NATIONS PLAZA, Manhattan have violations?

Yes. 1 UNITED NATIONS PLAZA, Manhattan, NY 10017 has 49 violations on record, with 23 currently open. Breakdown: 47 DOB, 2 ECB. Sources: NYC DOB, HPD, and ECB/OATH.

Does 1 UNITED NATIONS PLAZA, Manhattan have docketed judgments?

No docketed OATH judgments were found in local records for 1 UNITED NATIONS PLAZA, Manhattan, NY 10017. Judgment data is sourced from NYC Office of Administrative Trials & Hearings (OATH) hearing records.

What is the property tax assessment for 1 UNITED NATIONS PLAZA?

1 UNITED NATIONS PLAZA, Manhattan, NY 10017 has an assessed market value of $58.2M and a total assessed value of $26.2M (land: $7.2M). Assessment data is from the NYC Department of Finance (DOF).

What is the zoning for 1 UNITED NATIONS PLAZA?

1 UNITED NATIONS PLAZA, Manhattan, NY 10017 is zoned C5-2. 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 1 UNITED NATIONS PLAZA?

1 UNITED NATIONS PLAZA, Manhattan, NY 10017 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 1 UNITED NATIONS PLAZA?

Search 1 UNITED NATIONS PLAZA 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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1 UNITED NATIONS PLAZA, Manhattan, NY 10017 — Property Records, Permits, Violations, Tax & Zoning | RegWatch