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Manhattan

509 5 Ave

Manhattan, NY 10017BBL 1012777501BIN 1035354
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Updated Aug 1, 2026 · 16 sources

Year Built1917
Floors12
Units12
Building Area39,990 sqft
ZoningC5-3
ClassRC
Market Value$18.2M

509 5 AVE is a property located at 509 5 AVE, Manhattan, NY 10017. The building was constructed in 1917. It has 12 floors and 12 units. The building area is 39,990 square feet on a 4,612 sqft lot. The property is zoned C5-3. The assessed market value is $18.2M. It last sold for $23.1M on Sep 6, 2012. There are 97 building permits on record (85 active). There are 123 violations on record (84 currently open). 45 docketed judgments carrying $104,745 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

560records on file

Completed in 1917, 509 5 Ave rises 12 stories over New York. Public records put it at 12 units and 39,990 square feet of floor area, on land zoned C5-3. It is carried on the public rolls at a market value of $18.2M, and assessed for tax at $8.2M. In the 42 years its record reaches back, the lot has drawn 560 separate government filings.

The documentary life of the address leans hard toward violation: 123 of its 560 records, fully 22%, fall under that one heading. Enforcement (123) and inspection (121) trail well behind. 84 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.

Read together — 22% violation, 42 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.

$18.2M of New York, written across 560 government filings.

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

Property Details

Address509 5 AVE, Manhattan, NY 10017
RC
Year Built1917
Floors12
Total Units12
Building Area39,990 sqft
Lot Size4,612 sqft
ZoningC5-3
1012777501
1035354

Assessment & Sales

$18.2M
$8.2M
$305K
$23.1M
Last Sale DateSep 6, 2012

Building Permits

97 on record · 85 active
Construction EquipmentDOB Legacy
ISSUED
Filed Jan 25, 2024Job #123728190-01-02

OT

View this permit's full record & inspection history →
Construction EquipmentDOB Legacy
ISSUED
Filed Dec 6, 2022Job #123728190-01-01

OT

View this permit's full record & inspection history →
Construction EquipmentDOB Legacy
ISSUED
Filed Dec 28, 2021Job #140935095-01-02

OT

View this permit's full record & inspection history →
ElectricalDOB NOW
APPROVED
Filed Feb 17, 2021Job #M00438597-P2

10th floor renovation

View this permit's full record & inspection history →
ElectricalDOB NOW
APPROVED
Filed Feb 15, 2021Job #M00438597-P1

10th floor renovation

View this permit's full record & inspection history →

+ 92 more permits — view full report

Violations

123 on record · 84 open
Open judgment balance — docketed OATH judgments$104,745
Judgments · 45 docketed
FDNY summons (OATH)JUDGMENT DOCKETED
Docketed Jun 30, 2025Balance $1,000Ticket #014167943X
INSPECTION AND TESTING
FDNY summons (OATH)JUDGMENT DOCKETED
Docketed Dec 31, 2024Balance $1,000Ticket #014135868Z
INSPECTION AND TESTING
DOB summons (OATH)JUDGMENT DOCKETED
Docketed Mar 31, 2025Balance $6,250Ticket #037028931N
MISCELLANEOUS VIOLATIONS
DOB summons (OATH)JUDGMENT DOCKETED
Docketed Mar 31, 2025Balance $6,250Ticket #037027712Z
FAIL SUBMIT REQUIRED REPORT OF CRIT EXAM DOCUMENTING EXTERIOR WALL
FDNY summons (OATH)JUDGMENT DOCKETED
Docketed Dec 31, 2023Balance $5,000Ticket #014072216H
LABELS MARKINGS

+ 40 more docketed judgments — view full report

DOB LegacyEGRADE
ACTIVE
Issued Dec 1, 2024#2784458

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 LegacyEnergy Benchmarking
ACTIVE
Issued Aug 2, 2024#2759591

FAILURE TO FILE BENCHMARKING REPORT OF ENERGY USE AS PER AD. CODE SEC. 28-309.4

View this violation's full details & status history →
DOB LegacyEARCX
ACTIVE
Issued Jun 23, 2024#2756718

FAILURE TO SUBMIT AN EER PER AD. CODE SEC. 28-308.4 - MULTIPLE YEARS (2023)

View this violation's full details & status history →
ECBConstruction
ACTIVE
Issued Jun 17, 2024#37028931N

27-929.1 FAILURE TO COMPLETE THE INSTALLATION OF A FULL SYSTEM OF AUTOMATIC SPRINKLERS AND FILE A FINAL SPRINKLER REPORT PREPARED BY A REGISTERED DESIGN PROFESSIONAL IN AN OFFICE BUILDING 100 FEET OR MORE IN HE

View this violation's full details & status history →
DOB LegacyEnergy Benchmarking
ACTIVE
Issued May 2, 2024#2752800

FAILURE TO FILE BENCHMARKING REPORT OF ENERGY USE AS PER AD. CODE SEC. 28-309.4

View this violation's full details & status history →

+ 118 more violations on record — view full report

Get the Complete Report for 509 5 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 509 5 AVE, Manhattan built?

The building at 509 5 AVE, Manhattan, NY 10017 was constructed in 1917. with 12 floors and 12 units. The building area is 39,990 sqft.

Are there building permits at 509 5 AVE, Manhattan?

Yes. 509 5 AVE, Manhattan, NY 10017 has 97 building permits on record, with 85 currently active. Permits are sourced from the NYC Department of Buildings (DOB Legacy and DOB NOW systems). The most recent permit is a Construction Equipment (ISSUED) filed Jan 25, 2024.

Does 509 5 AVE, Manhattan have violations?

Yes. 509 5 AVE, Manhattan, NY 10017 has 123 violations on record, with 84 currently open. Breakdown: 107 DOB, 16 ECB. Sources: NYC DOB, HPD, and ECB/OATH.

Does 509 5 AVE, Manhattan have docketed judgments?

Yes. 509 5 AVE, Manhattan, NY 10017 has 45 docketed judgments on record with the NYC Office of Administrative Trials & Hearings (OATH), with an open balance of $104,745. 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 509 5 AVE?

509 5 AVE, Manhattan, NY 10017 has an assessed market value of $18.2M and a total assessed value of $8.2M (land: $305K). Assessment data is from the NYC Department of Finance (DOF).

When was 509 5 AVE last sold?

509 5 AVE, Manhattan, NY 10017 last sold for $23.1M on Sep 6, 2012. Sale records are sourced from NYC ACRIS and Department of Finance rolling sales data.

What is the zoning for 509 5 AVE?

509 5 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.

How do I get a full property report for 509 5 AVE?

Search 509 5 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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509 5 AVE, Manhattan, NY 10017 — Property Records, Permits, Violations, Tax & Zoning | RegWatch