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Manhattan • Condo

809 United Nations Plaza

Manhattan, NY 10017BBL 1013381401BIN 1038775
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Updated Aug 1, 2026 · 16 sources

Year Built1964
Floors11
Units8
Building Area102,986 sqft
ZoningC5-2
ClassRB
Market Value$18.3M

809 UNITED NATIONS PLAZA is a property located at 809 UNITED NATIONS PLAZA, Manhattan, NY 10017. It is classified as a condo - office space. The building was constructed in 1964. It has 11 floors and 8 units. The building area is 102,986 square feet on a 9,200 sqft lot. The property is zoned C5-2. The assessed market value is $18.3M. It last sold for $91M on Nov 14, 2019. There are 180 building permits on record (140 active). There are 57 violations on record (6 currently open). 4 docketed judgments carrying $8,935 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

479records on file
70Energy Star

Completed in 1964, 809 United Nations Plaza rises 11 stories over New York. Public records put it at 8 units and 102,986 square feet of floor area, on land zoned C5-2. It is carried on the public rolls at a market value of $18.3M, and assessed for tax at $8.3M. In the 37 years its record reaches back, the lot has drawn 479 separate government filings.

The documentary life of the address leans hard toward permit: 180 of its 479 records, fully 38%, fall under that one heading. Inspection (143) and violation (57) trail well behind. 6 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 2017.

On the environmental ledger, the building posts an Energy Star score of 70, with a site energy-use intensity of 60.8 kBtu per square foot. Its operations answer for roughly 778 metric tons of CO2-equivalent a year.

Read together — 38% permit, 37 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.

$18.3M of New York, written across 479 government filings.

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

Property Details

Address809 UNITED NATIONS PLAZA, Manhattan, NY 10017
Building TypeCondo - Office Space
RB
Year Built1964
Floors11
Total Units8
Building Area102,986 sqft
Lot Size9,200 sqft
ZoningC5-2
ConditionAverage
1013381401
1038775

Assessment & Sales

$18.3M
$8.3M
$1.4M
$91M
Last Sale DateNov 14, 2019

Building Permits

180 on record · 140 active
General ConstructionDOB NOW
PERMIT ISSUED
Filed Jul 27, 2026Est. cost $200KJob #M01133574-I1

Renewal Permit Without Changes

View this permit's full record & inspection history →
General ConstructionDOB NOW
PERMIT ENTIRE
Filed Jul 27, 2026Est. cost $200KJob #M01133574-I1
View this permit's full record & inspection history →
General ConstructionDOB NOW
PLAN EXAMINER REVIEW
Filed Jul 27, 2026Est. cost $380KJob #M01330252-I1
View this permit's full record & inspection history →
General ConstructionDOB NOW
PERMIT ISSUED
Filed Jul 24, 2026Est. cost $100KJob #M01084364-I1

Renewal Permit Without Changes

View this permit's full record & inspection history →
Mechanical SystemsDOB NOW
PERMIT ISSUED
Filed Jul 24, 2026Est. cost $350KJob #M01236224-I1

Initial Permit

View this permit's full record & inspection history →

+ 175 more permits — view full report

Violations

57 on record · 6 open
Open judgment balance — docketed OATH judgments$8,935
Judgments · 4 docketed
FDNY summons (OATH)JUDGMENT DOCKETED
Docketed Feb 28, 2026Balance $1,000Ticket #012171685L
FIRE PROTECTION SYSTEMS:FAIL TO PREVENT UNNECESSARY UNWARRANTED ALARMS
FDNY summons (OATH)JUDGMENT DOCKETED
Docketed Jan 31, 2026Balance $5,000Ticket #012170364X
FIRE PROTECTION SYSTEMS:FAIL TO PREVENT UNNECESSARY UNWARRANTED ALARMS
FDNY summons (OATH)JUDGMENT DOCKETED
Docketed Mar 31, 2026Balance $935Ticket #012166639Y
FIRE PROTECTION SYSTEMS:FAIL TO PREVENT UNNECESSARY UNWARRANTED ALARMS
FDNY summons (OATH)JUDGMENT DOCKETED
Docketed May 31, 2025Balance $2,000Ticket #014143253M
EMERGENCY PLANNING AND PREPAREDNESS
DOB LegacyE
ACTIVE
Issued Jul 26, 2021#2539877
View this violation's full details & status history →
DOB LegacyE
ACTIVE
Issued Jul 26, 2021#2539878
View this violation's full details & status history →
DOB LegacyE
ACTIVE
Issued Jul 26, 2021#2539879
View this violation's full details & status history →
DOB LegacyE
ACTIVE
Issued Jul 26, 2021#2539880
View this violation's full details & status history →
DOB LegacyE
ACTIVE
Issued May 18, 2020#2460325
View this violation's full details & status history →

+ 52 more violations on record — view full report

Get the Complete Report for 809 UNITED NATIONS PLAZA

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

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Frequently Asked Questions

When was 809 UNITED NATIONS PLAZA, Manhattan built?

The building at 809 UNITED NATIONS PLAZA, Manhattan, NY 10017 was constructed in 1964. It is classified as a condo - office space with 11 floors and 8 units. The building area is 102,986 sqft.

Are there building permits at 809 UNITED NATIONS PLAZA, Manhattan?

Yes. 809 UNITED NATIONS PLAZA, Manhattan, NY 10017 has 180 building permits on record, with 140 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 ISSUED) filed Jul 27, 2026.

Does 809 UNITED NATIONS PLAZA, Manhattan have violations?

Yes. 809 UNITED NATIONS PLAZA, Manhattan, NY 10017 has 57 violations on record, with 6 currently open. Breakdown: 49 DOB, 8 ECB. Sources: NYC DOB, HPD, and ECB/OATH.

Does 809 UNITED NATIONS PLAZA, Manhattan have docketed judgments?

Yes. 809 UNITED NATIONS PLAZA, Manhattan, NY 10017 has 4 docketed judgments on record with the NYC Office of Administrative Trials & Hearings (OATH), with an open balance of $8,935. 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 809 UNITED NATIONS PLAZA?

809 UNITED NATIONS PLAZA, Manhattan, NY 10017 has an assessed market value of $18.3M and a total assessed value of $8.3M (land: $1.4M). Assessment data is from the NYC Department of Finance (DOF).

When was 809 UNITED NATIONS PLAZA last sold?

809 UNITED NATIONS PLAZA, Manhattan, NY 10017 last sold for $91M on Nov 14, 2019. Sale records are sourced from NYC ACRIS and Department of Finance rolling sales data.

What is the zoning for 809 UNITED NATIONS PLAZA?

809 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.

How do I get a full property report for 809 UNITED NATIONS PLAZA?

Search 809 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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809 UNITED NATIONS PLAZA, Manhattan, NY 10017 — Property Records, Permits, Violations, Tax & Zoning | RegWatch