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Manhattan • Condo

521 Park Ave

Manhattan, NY 10022Company-ownedBBL 1013951130BIN 1041910
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Updated Aug 1, 2026 · 16 sources

Year Built1912
Floors12
Units29
Building Area49,749 sqft
ZoningR10
ClassRM
Market Value$423K

521 PARK AVE is a property located at 521 PARK AVE, Manhattan, NY 10022. It is classified as a condo - multi-dwelling. The building was constructed in 1912. It has 12 floors and 29 units. The building area is 49,749 square feet on a 6,025 sqft lot. The property is zoned R10. The assessed market value is $423K. It last sold for $2.2M on Aug 25, 2025. Public records list the property as company-owned. There are 328 building permits on record (257 active). There are 39 violations on record (3 currently open). 4 docketed judgments 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

880records on file
15Energy Star

Completed in 1912, 521 Park Ave rises 12 stories over New York. Public records put it at 29 units and 49,749 square feet of floor area, on land zoned R10. It is carried on the public rolls at a market value of $423K, and assessed for tax at $190K. In the 39 years its record reaches back, the lot has drawn 880 separate government filings — a paper trail nearly as tall as the building itself.

The documentary life of the address leans hard toward permit: 328 of its 880 records, fully 37%, fall under that one heading. Inspection (128) and mortgage (114) trail well behind. 3 violations stand open against it today.

The pace is anything but even. Activity is spread across the decades, with 2024 the busiest year on file.

On the environmental ledger, the building posts an Energy Star score of 15, with a site energy-use intensity of 105.0 kBtu per square foot. Its operations answer for roughly 442 metric tons of CO2-equivalent a year.

Read together — 37% permit, 39 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.

$423K of New York, written across 880 government filings.

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

Property Details

Address521 PARK AVE, Manhattan, NY 10022
Building TypeCondo - Multi-Dwelling
RM
Year Built1912
Floors12
Total Units29
Building Area49,749 sqft
Lot Size6,025 sqft
ZoningR10
ConditionAverage
1013951130
1041910
OwnershipCompany-owned

Assessment & Sales

$423K
$190K
$74K
$2.2M
Last Sale DateAug 25, 2025

Building Permits

328 on record · 257 active
ElectricalDOB NOW
PERMIT ISSUED
Filed Jun 11, 2026Job #M01415475-I1-EL

GENERAL WIRING IN APARTMENT 10A - REINSTATING PERMIT #M105429 IN ORDER TO CLOSE IT

View this permit's full record & inspection history →
General ConstructionDOB NOW
APPROVED
Filed May 26, 2026Est. cost $195KJob #M01370239-I1
View this permit's full record & inspection history →
General ConstructionDOB NOW
APPROVED
Filed May 26, 2026Est. cost $25KJob #M01370239-S1
View this permit's full record & inspection history →
General ConstructionDOB NOW
PERMIT ENTIRE
Filed May 13, 2026Est. cost $50KJob #M01252561-I1
View this permit's full record & inspection history →
General ConstructionDOB NOW
APPROVED
Filed May 13, 2026Est. cost $50KJob #M01252561-P1
View this permit's full record & inspection history →

+ 323 more permits — view full report

Violations

39 on record · 3 open
Judgments · 4 docketed
Health summons (OATH)JUDGMENT DOCKETED
Docketed Feb 20, 2015Ticket #0890167558
HEALTH CODE PROVISION-MISC.
FDNY summons (OATH)JUDGMENT DOCKETED
Docketed Feb 21, 2013Ticket #011160918N
INSPECTION AND TESTING
FDNY summons (OATH)JUDGMENT DOCKETED
Docketed Oct 31, 2009Ticket #010999137H
INSPECTION AND TESTING
DOT summons (OATH)JUDGMENT DOCKETED
Docketed Jul 31, 2004Ticket #0134301375
FAILURE TO RESTORE LANE MARKINGS
ECBConstruction
ACTIVE
Issued Jun 1, 2022#35651374L

FAILURE TO MAINTAIN EXTERIOR BUILDING FACADE AND APPURTENANCES.NOTE:OBSERVED AT EXPOSURE#2(NORTH)CRACKED STONES AT 10TH FLOOR IN THE N.W. CORNER 2)EXPOSURE#3(EAST)CRACKED TERRA COTTA AT PARAPET IN THE S.E. CORN

View this violation's full details & status history →
DOB LegacyE
ACTIVE
Issued Dec 28, 2021#2567974
View this violation's full details & status history →
DOB LegacyE
ACTIVE
Issued Dec 28, 2021#2564459
View this violation's full details & status history →

+ 36 more violations on record — view full report

Get the Complete Report for 521 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 521 PARK AVE, Manhattan built?

The building at 521 PARK AVE, Manhattan, NY 10022 was constructed in 1912. It is classified as a condo - multi-dwelling with 12 floors and 29 units. The building area is 49,749 sqft.

Are there building permits at 521 PARK AVE, Manhattan?

Yes. 521 PARK AVE, Manhattan, NY 10022 has 328 building permits on record, with 257 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 Jun 11, 2026.

Does 521 PARK AVE, Manhattan have violations?

Yes. 521 PARK AVE, Manhattan, NY 10022 has 39 violations on record, with 3 currently open. Breakdown: 23 DOB, 10 ECB, 6 HPD. Sources: NYC DOB, HPD, and ECB/OATH.

Does 521 PARK AVE, Manhattan have docketed judgments?

Yes. 521 PARK AVE, Manhattan, NY 10022 has 4 docketed judgments on record with the NYC Office of Administrative Trials & Hearings (OATH). 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 521 PARK AVE?

521 PARK AVE, Manhattan, NY 10022 has an assessed market value of $423K and a total assessed value of $190K (land: $74K). Assessment data is from the NYC Department of Finance (DOF).

When was 521 PARK AVE last sold?

521 PARK AVE, Manhattan, NY 10022 last sold for $2.2M on Aug 25, 2025. Sale records are sourced from NYC ACRIS and Department of Finance rolling sales data.

What is the zoning for 521 PARK AVE?

521 PARK AVE, Manhattan, NY 10022 is zoned R10. 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 521 PARK AVE?

521 PARK AVE, 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 521 PARK AVE?

Search 521 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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521 PARK AVE, Manhattan, NY 10022 — Property Records, Permits, Violations, Tax & Zoning | RegWatch