Manhattan • Office

300 Park Ave

Manhattan, NY 10017Company-ownedBBL 1012850036BIN 1081146

Updated Aug 1, 2026 · 16 sources

Year Built1954
Floors25
Units6
Building Area645,483 sqft
ZoningC5-3
ClassO4
Market Value$385M

300 PARK AVE is a property located at 300 PARK AVE, Manhattan, NY 10017. It is classified as a office - semi-fireproof (small). The building was constructed in 1954. It has 25 floors and 6 units. The building area is 645,483 square feet on a 34,050 sqft lot. The property is zoned C5-3. The assessed market value is $385M. It last sold for $33.1M on Feb 28, 2020. Public records list the property as company-owned. There are 1793 building permits on record (1262 active). There are 145 violations on record (1 currently open). 21 docketed judgments carrying $2,740 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

2,518records on file
71Energy Star

Completed in 1954, 300 Park Ave rises 25 stories over New York. Public records put it at 6 units and 645,483 square feet of floor area, on land zoned C5-3. It is carried on the public rolls at a market value of $385M, and assessed for tax at $173M. In the 56 years its record reaches back, the lot has drawn 2,518 separate government filings — a paper trail nearly as tall as the building itself.

The documentary life of the address leans hard toward permit: 1,793 of its 2,518 records, fully 71%, fall under that one heading. Inspection (315) and violation (145) trail well behind. 1 violation stands 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 2022.

On the environmental ledger, the building posts an Energy Star score of 71, with a site energy-use intensity of 60.0 kBtu per square foot. Its operations answer for roughly 4,384 metric tons of CO2-equivalent a year.

Read together — 71% permit, 56 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.

71% of every record here performs the same act: permit.

Property Details

Address300 PARK AVE, Manhattan, NY 10017
Building TypeOffice - Semi-Fireproof (small)
O4
Year Built1954
Floors25
Total Units6
Building Area645,483 sqft
Lot Size34,050 sqft
ZoningC5-3
1012850036
1081146
OwnershipCompany-owned

Assessment & Sales

$385M
$173.3M
$23.9M
$33.1M
Last Sale DateFeb 28, 2020

Building Permits

1793 on record · 1262 active
SprinklerDOB NOW
PERMIT ISSUED
Filed Jul 22, 2026Est. cost $20KJob #M01331155-S3
SprinklerDOB NOW
PERMIT ISSUED
Filed Jul 22, 2026Est. cost $49KJob #M01412133-I1
General ConstructionDOB NOW
PERMIT ENTIRE
Filed Jul 22, 2026Est. cost $20KJob #M01331155-S3
General ConstructionDOB NOW
PERMIT ENTIRE
Filed Jul 22, 2026Est. cost $49KJob #M01412133-I1
General ConstructionDOB NOW
PERMIT ENTIRE
Filed Jul 13, 2026Est. cost $82KJob #M00829214-I1

+ 1788 more permitsview full report

Violations

145 on record · 1 open
Open judgment balance — docketed OATH judgments$2,740
Judgments · 21 docketed
FDNY summons (OATH)JUDGMENT DOCKETED
Docketed Jun 15, 2026Balance $935Ticket #012178207Z
FIRE PROTECTION SYSTEMS:FAIL TO PREVENT UNNECESSARY UNWARRANTED ALARMS
FDNY summons (OATH)JUDGMENT DOCKETED
Docketed Jan 31, 2026Ticket #012170573M
FIRE PROTECTION SYSTEMS:FAIL TO PREVENT UNNECESSARY UNWARRANTED ALARMS
Health summons (OATH)JUDGMENT DOCKETED
Docketed Jan 6, 2025Balance $25Ticket #0890955973
ITEMS NOT IN OR UNDER CART EXCEPT WASTE CONTAINER
Health summons (OATH)JUDGMENT DOCKETED
Docketed Jan 6, 2025Balance $25Ticket #0890955982
VENDING ON SIDEWALK LESS THAN 12 FT., OR NOT AT CURB
DEP summons (OATH)JUDGMENT DOCKETED
Docketed Jun 30, 2026Balance $455Ticket #000895121Y
IDLING OF MOTOR VEHICLE ENGINE MORE THAN THREE MINUTES 1ST OFF

+ 16 more docketed judgmentsview full report

DOB LegacyEGRADE
DISMISSED
Issued Apr 29, 2021#2519226

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 LegacyE
RESOLVED
Issued Dec 1, 2020#2497829
DOB LegacyE
RESOLVED
Issued Dec 1, 2020#2497830
DOB LegacyE
RESOLVED
Issued Dec 1, 2020#2497831
DOB LegacyE
RESOLVED
Issued Dec 1, 2020#2497832

+ 140 more violations on record — view full report

Get the Complete Report for 300 PARK AVE

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

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Frequently Asked Questions

When was 300 PARK AVE, Manhattan built?

The building at 300 PARK AVE, Manhattan, NY 10017 was constructed in 1954. It is classified as a office - semi-fireproof (small) with 25 floors and 6 units. The building area is 645,483 sqft.

Are there building permits at 300 PARK AVE, Manhattan?

Yes. 300 PARK AVE, Manhattan, NY 10017 has 1793 building permits on record, with 1262 currently active. Permits are sourced from the NYC Department of Buildings (DOB Legacy and DOB NOW systems). The most recent permit is a Sprinkler (PERMIT ISSUED) filed Jul 22, 2026.

Does 300 PARK AVE, Manhattan have violations?

Yes. 300 PARK AVE, Manhattan, NY 10017 has 145 violations on record, with 1 currently open. Breakdown: 131 DOB, 14 ECB. Sources: NYC DOB, HPD, and ECB/OATH.

Does 300 PARK AVE, Manhattan have docketed judgments?

Yes. 300 PARK AVE, Manhattan, NY 10017 has 21 docketed judgments on record with the NYC Office of Administrative Trials & Hearings (OATH), with an open balance of $2,740. 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 300 PARK AVE?

300 PARK AVE, Manhattan, NY 10017 has an assessed market value of $385M and a total assessed value of $173.3M (land: $23.9M). Assessment data is from the NYC Department of Finance (DOF).

When was 300 PARK AVE last sold?

300 PARK AVE, Manhattan, NY 10017 last sold for $33.1M on Feb 28, 2020. Sale records are sourced from NYC ACRIS and Department of Finance rolling sales data.

What is the zoning for 300 PARK AVE?

300 PARK AVE, Manhattan, NY 10017 is zoned C5-3. 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 300 PARK AVE?

300 PARK AVE, Manhattan, NY 10017 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 300 PARK AVE?

Search 300 PARK AVE 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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300 PARK AVE, Manhattan, NY 10017 — Property Records, Permits, Violations, Tax & Zoning | RegWatch