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Manhattan • Elevator Apartment

420 East 51 St

Manhattan, NY 10022Company-ownedBBL 1013620041BIN 1040114
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16 sources

Year Built1962
Floors13
Units110
Building Area155,000 sqft
ZoningR8B
ClassD4
Market Value$38.5M

420 EAST 51 ST is a property located at 420 EAST 51 ST, Manhattan, NY 10022. It is classified as a elevator apartment - cooperative. The building was constructed in 1962. It has 13 floors and 110 units. The building area is 155,000 square feet on a 18,075 sqft lot. The property is zoned R8B. The assessed market value is $38.5M. Public records list the property as company-owned. There are 252 building permits on record (124 active). There are 65 violations on record (3 currently open). 3 docketed judgments carrying $1,300 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

514records on file
88Energy Star

Completed in 1962, 420 East 51 St rises 13 stories over New York. Public records put it at 110 units and 155,000 square feet of floor area, on land zoned R8B. It is carried on the public rolls at a market value of $38.5M, and assessed for tax at $17.3M. In the 60 years its record reaches back, the lot has drawn 514 separate government filings.

The documentary life of the address leans hard toward permit: 252 of its 514 records, fully 49%, fall under that one heading. Violation (65) and inspection (53) trail well behind. 3 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 2023.

On the environmental ledger, the building posts an Energy Star score of 88, with a site energy-use intensity of 47.8 kBtu per square foot. Its operations answer for roughly 624 metric tons of CO2-equivalent a year.

Read together — 49% permit, 60 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.

$38.5M of New York, written across 514 government filings.

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Executive summary, compliance history, title chain & existing debt, recorded documents & agreements, owner contacts, tax detail, Use & Development, build envelope, market comps, investment metrics, deal math & stress tests, deal signals, pre-foreclosure signals, neighborhood. Downloadable PDF. One payment, no subscription.

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

Address420 EAST 51 ST, Manhattan, NY 10022
Building TypeElevator Apartment - Cooperative
D4
Year Built1962
Floors13
Total Units110
Building Area155,000 sqft
Lot Size18,075 sqft
ZoningR8B
ConditionAverage
1013620041
1040114
OwnershipCompany-owned

Assessment & Sales

$38.5M
$17.3M
$2.3M

Building Permits

252 on record · 124 active
ElectricalDOB NOW
COMPLETE
Filed Aug 14, 2026Job #M01445883-I1-EL

Apartment 5D replacing Kitchen lights and receptacles

View this permit's full record & inspection history →
General ConstructionDOB NOW
APPROVED
Filed Jul 6, 2026Est. cost $73KJob #M01418722-I1
View this permit's full record & inspection history →
ElectricalDOB NOW
PERMIT ISSUED
Filed May 28, 2026Job #M01408606-I1-EL

APT 10H- NEW PANEL ON EXISTING RISER KITCHEN AND BATHROOM RENOVATION NEW LIGHT FIXTURES IN BEDROOM AND LIVING ROOM

View this permit's full record & inspection history →
ElectricalDOB NOW
COMPLETE
Filed Apr 12, 2026Job #M01384864-I1-EL

Apartment 11G Bathroom Renovation

View this permit's full record & inspection history →
ElectricalDOB NOW
COMPLETE
Filed Mar 23, 2026Job #M01376215-I1-EL

Apartment 9E Partial Renovation

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+ 247 more permits — view full report

Violations

65 on record · 3 open
Open judgment balance — docketed OATH judgments$1,300
Judgments · 3 docketed
DEP summons (OATH)JUDGMENT DOCKETED
Docketed Jun 30, 2025Balance $1,300Ticket #000837140Y
IDLING OF MOTOR VEHICLE ENGINE MORE THAN THREE MINUTES 1ST OFF
Sanitation summons (OATH)JUDGMENT DOCKETED
Docketed Mar 31, 2017Ticket #0192646951
LOOSE RUBBISH
OATH summonsJUDGMENT DOCKETED
Docketed Dec 22, 2006Ticket #040280666Y
20061016N
ECBConstruction
ACTIVE
Issued Jul 19, 2023#39090542J

OBSERVED INSIDE OCCUPIED PARKING GARAGE SECTION OF CONCRETE AT SUB-CELLAR SECTION EXPOSING REBAR THAT SHOW SIGNS OF OXIDATION, REPAIR AND/REPLACE; REPAIR AND /OR REPLACE

View this violation's full details & status history →
DOB LegacyC
ACTIVE
Issued Jul 19, 2023#2733993

OBSERVED INSIDE OCCUPIED PARKING GARAGE SECTION OF CONCRETE AT SUB-CELLAR SECTION EXPOSING REBAR THAT SHOW SIGNS OF OXIDATION

View this violation's full details & status history →

+ 63 more violations on record — view full report

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

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Frequently Asked Questions

When was 420 EAST 51 ST, Manhattan built?

The building at 420 EAST 51 ST, Manhattan, NY 10022 was constructed in 1962. It is classified as a elevator apartment - cooperative with 13 floors and 110 units. The building area is 155,000 sqft.

Are there building permits at 420 EAST 51 ST, Manhattan?

Yes. 420 EAST 51 ST, Manhattan, NY 10022 has 252 building permits on record, with 124 currently active. Permits are sourced from the NYC Department of Buildings (DOB Legacy and DOB NOW systems). The most recent permit is a Electrical (COMPLETE) filed Aug 14, 2026.

Does 420 EAST 51 ST, Manhattan have violations?

Yes. 420 EAST 51 ST, Manhattan, NY 10022 has 65 violations on record, with 3 currently open. Breakdown: 48 DOB, 14 ECB, 3 HPD. Sources: NYC DOB, HPD, and ECB/OATH.

Does 420 EAST 51 ST, Manhattan have docketed judgments?

Yes. 420 EAST 51 ST, Manhattan, NY 10022 has 3 docketed judgments on record with the NYC Office of Administrative Trials & Hearings (OATH), with an open balance of $1,300. 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 420 EAST 51 ST?

420 EAST 51 ST, Manhattan, NY 10022 has an assessed market value of $38.5M and a total assessed value of $17.3M (land: $2.3M). Assessment data is from the NYC Department of Finance (DOF).

What is the zoning for 420 EAST 51 ST?

420 EAST 51 ST, Manhattan, NY 10022 is zoned R8B. 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 420 EAST 51 ST?

420 EAST 51 ST, Manhattan, NY 10022 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 420 EAST 51 ST?

Search 420 EAST 51 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 ($15, one-time) adds the complete title history, owner contacts, and a downloadable PDF.

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420 EAST 51 ST, Manhattan, NY 10022 — Property Records, Permits, Violations, Tax & Zoning | RegWatch