Skip to content

Manhattan • Condo

400 East 84th St

Manhattan, NY 10028Company-ownedBBL 1015637501BIN 1085139
Save buildingView report

Updated Aug 1, 2026 · 16 sources

Year Built1994
Floors43
Units183
Building Area238,600 sqft
ZoningC1-9
ClassRM
Market Value$85.5M

400 EAST 84TH ST is a property located at 400 EAST 84TH ST, Manhattan, NY 10028. It is classified as a condo - residential unit. The building was constructed in 1994. It has 43 floors and 183 units. The building area is 238,600 square feet on a 17,016 sqft lot. The property is zoned C1-9. The assessed market value is $85.5M. It last sold for $254.7M on Jan 29, 2026. Public records list the property as company-owned. There are 250 building permits on record (139 active). There are 10 violations on record (4 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

294records on file
29Energy Star

Completed in 1994, 400 East 84TH St rises 43 stories over New York. Public records put it at 183 units and 238,600 square feet of floor area, on land zoned C1-9. It is carried on the public rolls at a market value of $85.5M, and assessed for tax at $38.5M. In the 30 years its record reaches back, the lot has drawn 294 separate government filings.

The documentary life of the address leans hard toward permit: 250 of its 294 records, fully 85%, fall under that one heading. Inspection (13) and violation (10) trail well behind. 4 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 posts an Energy Star score of 29, with a site energy-use intensity of 78.8 kBtu per square foot. Its operations answer for roughly 1,508 metric tons of CO2-equivalent a year.

Read together — 85% permit, 30 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.

85% of every record here performs the same act: permit.

Open the live report — daily-updated data, AI chat & alerts
Sources
NYC DOBNYC HPDNYC DOFACRISNYC DCPECB/OATHNYC DEPNYC LPCNYC FDNYNYS DHCRMOCEJFEMAEPAUS CensusHUDUSGS
updated

Property Details

Address400 EAST 84TH ST, Manhattan, NY 10028
Building TypeCondo - Residential Unit
RM
Year Built1994
Floors43
Total Units183
Building Area238,600 sqft
Lot Size17,016 sqft
ZoningC1-9
ConditionAverage
1015637501
1085139 +1 more
OwnershipCompany-owned

Assessment & Sales

$85.5M
$38.5M
$10.1M
$254.7M
Last Sale DateJan 29, 2026

Building Permits

250 on record · 139 active
General ConstructionDOB NOW
PERMIT ISSUED
Filed Jul 28, 2026Est. cost $3.1MJob #M01089561-I1

Initial Permit

View this permit's full record & inspection history →
General ConstructionDOB NOW
PERMIT ENTIRE
Filed Jul 21, 2026Est. cost $200KJob #M01375688-I1
View this permit's full record & inspection history →
General ConstructionDOB NOW
APPROVED
Filed Jul 21, 2026Est. cost $200KJob #M01375688-P1
View this permit's full record & inspection history →
General ConstructionDOB NOW
APPROVED
Filed Jul 21, 2026Est. cost $120KJob #M01433476-I1
View this permit's full record & inspection history →
General ConstructionDOB NOW
LOC ISSUED
Filed Jul 20, 2026Est. cost $80KJob #M01311637-S1
View this permit's full record & inspection history →

+ 245 more permits — view full report

Violations

10 on record · 4 open
ECBConstruction
ACTIVE
Issued Jun 5, 2026#39191504L

INADEQUATE TENANT PROTECTION PLAN.ATOI I OBSERVED ON DOB NOW THAT ALL TPP UNDER THIS COMPLAINT ARE IN ADEQUATE UNDER HEALTH REQUIREMENTS, IT DOESN'T SPECIFY THE MEANS AND METHODS FOR DUST MITIGATION AND DISPOSA

View this violation's full details & status history →
ECBConstruction
ACTIVE
Issued Jun 5, 2026#39191503J

INADEQUATE TENANT PROTECTION PLAN. ATOI I OBSERVED ON DOB NOW THAT ALL TPP UNDER THIS COMPLAINT ARE IN ADEQUATE UNDER HEALTH REQUIREMENTS, IT DOESN'T SPECIFY THE MEANS AND METHODS FOR DUST MITIGATION AND DISPOS

View this violation's full details & status history →
ECBConstruction
ACTIVE
Issued Jun 5, 2026#39191506P

IN ADEQUATE TENANT PROTECTION PLAN.ATOI I OBSERVED ON DOB NOW THAT ALL TPP UNDER THIS COMPLAINT ARE IN ADEQUATE UNDER HEALTH REQUIREMENTS, IT DOESN'T SPECIFY THE MEANS AND METHODS FOR DUST MITIGATION AND DISPOS

View this violation's full details & status history →
ECBConstruction
ACTIVE
Issued Jun 5, 2026#39191505N

INADEQUATE TENANT PROTECTION PLAN.ATOI I OBSERVED ON DOB NOW THAT ALL TPP UNDER THIS COMPLAINT ARE IN ADEQUATE UNDER HEALTH REQUIREMENTS, IT DOESN'T SPECIFY THE MEANS AND METHODS FOR DUST MITIGATION AND DISPOSA

View this violation's full details & status history →

+ 6 more violations on record — view full report

Get the Complete Report for 400 EAST 84TH ST

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.

View Report

Frequently Asked Questions

When was 400 EAST 84TH ST, Manhattan built?

The building at 400 EAST 84TH ST, Manhattan, NY 10028 was constructed in 1994. It is classified as a condo - residential unit with 43 floors and 183 units. The building area is 238,600 sqft.

Are there building permits at 400 EAST 84TH ST, Manhattan?

Yes. 400 EAST 84TH ST, Manhattan, NY 10028 has 250 building permits on record, with 139 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 28, 2026.

Does 400 EAST 84TH ST, Manhattan have violations?

Yes. 400 EAST 84TH ST, Manhattan, NY 10028 has 10 violations on record, with 4 currently open. Breakdown: 10 ECB. Sources: NYC DOB, HPD, and ECB/OATH.

Does 400 EAST 84TH ST, Manhattan have docketed judgments?

No docketed OATH judgments were found in local records for 400 EAST 84TH ST, Manhattan, NY 10028. Judgment data is sourced from NYC Office of Administrative Trials & Hearings (OATH) hearing records.

What is the property tax assessment for 400 EAST 84TH ST?

400 EAST 84TH ST, Manhattan, NY 10028 has an assessed market value of $85.5M and a total assessed value of $38.5M (land: $10.1M). Assessment data is from the NYC Department of Finance (DOF).

When was 400 EAST 84TH ST last sold?

400 EAST 84TH ST, Manhattan, NY 10028 last sold for $254.7M on Jan 29, 2026. Sale records are sourced from NYC ACRIS and Department of Finance rolling sales data.

What is the zoning for 400 EAST 84TH ST?

400 EAST 84TH ST, Manhattan, NY 10028 is zoned C1-9. 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 400 EAST 84TH ST?

400 EAST 84TH ST, Manhattan, NY 10028 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 400 EAST 84TH ST?

Search 400 EAST 84TH 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.

Search Another Property

Look up violations, permits, and records for any tri-state address.

Related searches
Manhattan Property Search →Manhattan Permit Search →Manhattan Violation Lookup →Manhattan Tax Search →Manhattan Title Search →Manhattan Zoning Lookup →NYC Permit Search →NYC Violation Lookup →NYC Property Tax →NYC Zoning Lookup →NYC Compliance Deadlines →NYC Violation Types →Free Property Search →Data Sources →Class R Buildings Guide →
400 EAST 84TH ST, Manhattan, NY 10028 — Property Records, Permits, Violations, Tax & Zoning | RegWatch