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Manhattan • Office

434 Park Ave South

Manhattan, NY 10016Company-ownedBBL 1008590048BIN 1016935
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Updated Aug 1, 2026 · 16 sources

Year Built1913
Floors16
Units16
Building Area145,437 sqft
ZoningC6-4A
ClassO6
Market Value$48.9M

434 PARK AVE SOUTH is a property located at 434 PARK AVE SOUTH, Manhattan, NY 10016. It is classified as a office - loft/mixed use. The building was constructed in 1913. It has 16 floors and 16 units. The building area is 145,437 square feet on a 9,350 sqft lot. The property is zoned C6-4A. The assessed market value is $48.9M. Public records list the property as company-owned. There are 304 building permits on record (204 active). There are 149 violations on record (7 currently open). 24 docketed judgments carrying $12,400 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

789records on file
78Energy Star

Completed in 1913, 434 Park Ave South rises 16 stories over New York. Public records put it at 16 units and 145,437 square feet of floor area, on land zoned C6-4A. It is carried on the public rolls at a market value of $48.9M, and assessed for tax at $22.0M. In the 55 years its record reaches back, the lot has drawn 789 separate government filings.

The documentary life of the address leans hard toward permit: 304 of its 789 records, fully 39%, fall under that one heading. Inspection (154) and violation (149) trail well behind. 7 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 2020.

On the environmental ledger, the building posts an Energy Star score of 78, with a site energy-use intensity of 60.4 kBtu per square foot. Its operations answer for roughly 783 metric tons of CO2-equivalent a year.

Read together — 39% permit, 55 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.

$48.9M of New York, written across 789 government filings.

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

Address434 PARK AVE SOUTH, Manhattan, NY 10016
Building TypeOffice - Loft/Mixed Use
O6
Year Built1913
Floors16
Total Units16
Building Area145,437 sqft
Lot Size9,350 sqft
ZoningC6-4A
1008590048
1016935
OwnershipCompany-owned

Assessment & Sales

$48.9M
$22M
$5.3M

Building Permits

304 on record · 204 active
ElectricalDOB NOW
PERMIT ISSUED
Filed May 1, 2026Job #M01395837-I1-EL

Replacing damaged meter socket as per Con Ed request for 6th floor.

View this permit's full record & inspection history →
General ConstructionDOB NOW
APPROVED
Filed Jul 25, 2025Est. cost $400KJob #M01183403-P1
View this permit's full record & inspection history →
General ConstructionDOB NOW
PERMIT ENTIRE
Filed Jul 25, 2025Est. cost $400KJob #M01183403-I1
View this permit's full record & inspection history →
General ConstructionDOB NOW
PERMIT ENTIRE
Filed Jul 17, 2025Est. cost $75KJob #M01183403-S2
View this permit's full record & inspection history →
General ConstructionDOB NOW
APPROVED
Filed Jul 17, 2025Est. cost $75KJob #M01183403-P2
View this permit's full record & inspection history →

+ 299 more permits — view full report

Violations

149 on record · 7 open
Open judgment balance — docketed OATH judgments$12,400
Judgments · 24 docketed
FDNY summons (OATH)JUDGMENT DOCKETED
Docketed Sep 30, 2025Ticket #014182298H
LABELS MARKINGS
FDNY summons (OATH)JUDGMENT DOCKETED
Docketed Sep 30, 2025Ticket #014182231N
PORTABLE FIRE EXTINGUISHERS AND FIRE HOSES
FDNY summons (OATH)JUDGMENT DOCKETED
Docketed Sep 30, 2025Balance $2,000Ticket #014181550X
FIRE PROTECTION SYSTEMS
DEP summons (OATH)JUDGMENT DOCKETED
Docketed Dec 31, 2025Balance $2,600Ticket #000920715N
IDLING OF MOTOR VEHICLE ENGINE MORE THAN THREE MINUTES 3RD AND SUB
DEP summons (OATH)JUDGMENT DOCKETED
Docketed Jun 29, 2026Balance $1,200Ticket #000970130N
IDLING OF MOTOR VEHICLE ENGINE MORE THAN THREE MINUTES 1ST OFF

+ 19 more docketed judgments — view full report

DOB LegacyEGRADE
ACTIVE
Issued Dec 1, 2024#2784331

FAILURE TO DISPLAY ENERGY EFFICIENCY SCORE AND ENERGY EFFICIENCY GRADE AS PER ADCODE SEC. 28-309.12.3

View this violation's full details & status history →
DOB LegacyEGRADE
ACTIVE
Issued Dec 1, 2023#2744056

FAILURE TO DISPLAY ENERGY EFFICIENCY SCORE AND ENERGY EFFICIENCY GRADE AS PER ADCODE SEC. 28-309.12.3

View this violation's full details & status history →
ECBLocal Law
ACTIVE
Issued Dec 9, 2022#37024771P

FAILURE TO SUBMIT ACCEPTABLE REQUIRED CYCLE 9A REPORT OF CRITICAL EXAMINATION DOCUMENTING CONDITION OF EXTERIOR WALL & APPURTENANCES REQUIRED BY 28-302.4 FOR CONTROL #902414.REMEDY:SUBMIT ACCEPTABLE REQUIRED TE

View this violation's full details & status history →
DOB LegacyFacade Safety (FISP)
ACTIVE
Issued Feb 22, 2022#2579688

FAILED TO FILE FISP CYCLE 9A TECHNICAL REPORT BY 02/21/2022

View this violation's full details & status history →
DOB LegacyEGRADE
ACTIVE
Issued Dec 1, 2021#2558959

FAILURE TO DISPLAY ENERGY EFFICIENCY SCORE AND ENERGY EFFICIENCY GRADE AS PER ADCODE SEC. 28-309.12.3

View this violation's full details & status history →

+ 144 more violations on record — view full report

Get the Complete Report for 434 PARK AVE SOUTH

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

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Frequently Asked Questions

When was 434 PARK AVE SOUTH, Manhattan built?

The building at 434 PARK AVE SOUTH, Manhattan, NY 10016 was constructed in 1913. It is classified as a office - loft/mixed use with 16 floors and 16 units. The building area is 145,437 sqft.

Are there building permits at 434 PARK AVE SOUTH, Manhattan?

Yes. 434 PARK AVE SOUTH, Manhattan, NY 10016 has 304 building permits on record, with 204 currently active. Permits are sourced from the NYC Department of Buildings (DOB Legacy and DOB NOW systems). The most recent permit is a Electrical (PERMIT ISSUED) filed May 1, 2026.

Does 434 PARK AVE SOUTH, Manhattan have violations?

Yes. 434 PARK AVE SOUTH, Manhattan, NY 10016 has 149 violations on record, with 7 currently open. Breakdown: 124 DOB, 25 ECB. Sources: NYC DOB, HPD, and ECB/OATH.

Does 434 PARK AVE SOUTH, Manhattan have docketed judgments?

Yes. 434 PARK AVE SOUTH, Manhattan, NY 10016 has 24 docketed judgments on record with the NYC Office of Administrative Trials & Hearings (OATH), with an open balance of $12,400. 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 434 PARK AVE SOUTH?

434 PARK AVE SOUTH, Manhattan, NY 10016 has an assessed market value of $48.9M and a total assessed value of $22M (land: $5.3M). Assessment data is from the NYC Department of Finance (DOF).

What is the zoning for 434 PARK AVE SOUTH?

434 PARK AVE SOUTH, Manhattan, NY 10016 is zoned C6-4A. 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 434 PARK AVE SOUTH?

434 PARK AVE SOUTH, Manhattan, NY 10016 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 434 PARK AVE SOUTH?

Search 434 PARK AVE SOUTH 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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434 PARK AVE SOUTH, Manhattan, NY 10016 — Property Records, Permits, Violations, Tax & Zoning | RegWatch