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Manhattan • Elevator Apartment

20 Seaman Ave

Manhattan, NY 10034Company-ownedBBL 1022470041BIN 1065061
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Updated Aug 1, 2026 · 16 sources

Year Built1926
Floors6
Units65
Building Area50,754 sqft
ZoningR7A
ClassD1
Market Value$5.6M

20 SEAMAN AVE is a property located at 20 SEAMAN AVE, Manhattan, NY 10034. It is classified as a elevator apartment - semi-fireproof. The building was constructed in 1926. It has 6 floors and 65 units. The building area is 50,754 square feet on a 11,975 sqft lot. The property is zoned R7A. The assessed market value is $5.6M. It last sold for $8.2M on Jul 1, 2009. Public records list the property as company-owned. There are 25 building permits on record (14 active). There are 101 violations on record (21 currently open). 6 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

497records on file
80Energy Star

Completed in 1926, 20 Seaman Ave rises 6 stories over New York. Public records put it at 65 units and 50,754 square feet of floor area, on land zoned R7A. It is carried on the public rolls at a market value of $5.6M, and assessed for tax at $2.5M. In the 101 years its record reaches back, the lot has drawn 497 separate government filings.

The documentary life of the address leans hard toward complaint: 276 of its 497 records, fully 56%, fall under that one heading. Violation (101) and inspection (30) trail well behind. 21 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 2026.

On the environmental ledger, the building posts an Energy Star score of 80, with a site energy-use intensity of 77.7 kBtu per square foot. Its operations answer for roughly 252 metric tons of CO2-equivalent a year.

Read together — 56% complaint, 101 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.

$5.6M of New York, written across 497 government filings.

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

Property Details

Address20 SEAMAN AVE, Manhattan, NY 10034
Building TypeElevator Apartment - Semi-Fireproof
D1
Year Built1926
Floors6
Total Units65
Building Area50,754 sqft
Lot Size11,975 sqft
ZoningR7A
ConditionAverage
1022470041
1065061
OwnershipCompany-owned

Assessment & Sales

$5.6M
$2.5M
$196K
$8.2M
Last Sale DateJul 1, 2009

Building Permits

25 on record · 14 active
ElectricalDOB NOW
PERMIT ISSUED
Filed May 6, 2025Job #M01221276-I1-EL

NEW MAIN FEEDER, END BOX AND FEEDERS TO EXISTING EQUIPMENT

View this permit's full record & inspection history →
General ConstructionDOB NOW
LOC ISSUED
Filed Jan 5, 2022Est. cost $9KJob #M00466903-I1
View this permit's full record & inspection history →
General ConstructionDOB NOW
LOC ISSUED
Filed Oct 4, 2021Est. cost $7KJob #M00414726-I1
View this permit's full record & inspection history →
General ConstructionDOB NOW
SIGNED-OFF
Filed Mar 23, 2021Est. cost $9KJob #M00466903-I1

Initial Permit

View this permit's full record & inspection history →
General ConstructionDOB NOW
APPROVED
Filed Feb 17, 2021Est. cost $7KJob #M00414726-P1
View this permit's full record & inspection history →

+ 20 more permits — view full report

Violations

101 on record · 21 open
Judgments · 6 docketed
OATH summonsJUDGMENT DOCKETED
Docketed Jun 30, 2013Ticket #0175744333
SEPARATION AND WEIGHT
OATH summonsJUDGMENT DOCKETED
Docketed Nov 30, 2012Ticket #0175740539
FAILURE TO CLEAN 18 INCHES INTO STREET
Sanitation summons (OATH)JUDGMENT DOCKETED
Docketed Sep 2, 2008Ticket #0160803803
LOOSE RUBBISH
Sanitation summons (OATH)JUDGMENT DOCKETED
Docketed Dec 28, 2007Ticket #040173991Y
NON-RECYCLABLES LEFT IN RECYCLING CONTAINER FOR COLLECTION
Sanitation summons (OATH)JUDGMENT DOCKETED
Docketed Dec 26, 2007Ticket #0159477643
LOOSE RUBBISH

+ 1 more docketed judgment — view full report

HPDClass B
NOV SENT OUT
Issued Aug 20, 2025#18175884

§ 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR AT SOUTH WALL IN THE 1st ROOM FROM NORTH LOCATED AT APT 4F, 4th STORY, 1st APARTMENT FROM SOUTH AT WEST

View this violation's full details & status history →
HPDClass B
NOV SENT OUT
Issued Aug 20, 2025#18175885

§ 27-2045(B)(1)(B) HMC, § 12-06, § 12-07, § 12-09 RCNY REPAIR, REPLACE OR PROVIDE AN APPROVED AND OPERATIONAL CARBON MONOXIDE DETECTING DEVICE, INSTALLED IN ACCORDANCE WITH APPLICABLE LAW AND RULES DEFECTIVE IN THE ENTIRE APARTMENT LOCATED AT APT 4F, 4th STORY, 1st APARTMENT FROM SOUTH AT WEST

View this violation's full details & status history →
HPDClass B
NOV SENT OUT
Issued Aug 20, 2025#18175886

§ 27-2045(B)(1)(A) HMC, § 12-01, § 12-03 RCNY REPAIR, REPLACE OR PROVIDE AN APPROVED AND OPERATIONAL SMOKE DETECTING DEVICE, INSTALLED IN ACCORDANCE WITH DEPARTMENT OF BUILDINGS RULES AND REGULATIONS DEFECTIVE IN THE ENTIRE APARTMENT LOCATED AT APT 4F, 4th STORY, 1st APARTMENT FROM SOUTH AT WEST

View this violation's full details & status history →
HPDClass B
NOV SENT OUT
Issued Aug 20, 2025#18175887

§ 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE SPRING BALANCE AT LOWER WINDOW SASH AT 1ST WINDOW FROM SOUTH AT WEST IN THE 3rd ROOM FROM NORTH LOCATED AT APT 4F, 4th STORY, 1st APARTMENT FROM SOUTH AT WEST

View this violation's full details & status history →
HPDClass C
NOTICE OF ISSUANCE SENT TO TENANT
Issued Aug 20, 2025#18175888

HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF MICE IN THE ENTIRE APARTMENT LOCATED AT APT 4F, 4th STORY, 1st APARTMENT FROM SOUTH AT WEST

View this violation's full details & status history →

+ 96 more violations on record — view full report

Get the Complete Report for 20 SEAMAN 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 20 SEAMAN AVE, Manhattan built?

The building at 20 SEAMAN AVE, Manhattan, NY 10034 was constructed in 1926. It is classified as a elevator apartment - semi-fireproof with 6 floors and 65 units. The building area is 50,754 sqft.

Are there building permits at 20 SEAMAN AVE, Manhattan?

Yes. 20 SEAMAN AVE, Manhattan, NY 10034 has 25 building permits on record, with 14 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 6, 2025.

Does 20 SEAMAN AVE, Manhattan have violations?

Yes. 20 SEAMAN AVE, Manhattan, NY 10034 has 101 violations on record, with 21 currently open. Breakdown: 11 DOB, 6 ECB, 84 HPD. Sources: NYC DOB, HPD, and ECB/OATH.

Does 20 SEAMAN AVE, Manhattan have docketed judgments?

Yes. 20 SEAMAN AVE, Manhattan, NY 10034 has 6 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 20 SEAMAN AVE?

20 SEAMAN AVE, Manhattan, NY 10034 has an assessed market value of $5.6M and a total assessed value of $2.5M (land: $196K). Assessment data is from the NYC Department of Finance (DOF).

When was 20 SEAMAN AVE last sold?

20 SEAMAN AVE, Manhattan, NY 10034 last sold for $8.2M on Jul 1, 2009. Sale records are sourced from NYC ACRIS and Department of Finance rolling sales data.

What is the zoning for 20 SEAMAN AVE?

20 SEAMAN AVE, Manhattan, NY 10034 is zoned R7A. 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 20 SEAMAN AVE?

20 SEAMAN AVE, Manhattan, NY 10034 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 20 SEAMAN AVE?

Search 20 SEAMAN 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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20 SEAMAN AVE, Manhattan, NY 10034 — Property Records, Permits, Violations, Tax & Zoning | RegWatch