Skip to content

Manhattan • Condo

21 South End Ave

Manhattan, NY 10280Company-ownedBBL 1000166063BIN 1075698
Save buildingView report

Updated Aug 1, 2026 · 16 sources

Year Built1988
Floors9
Units183
Building Area194,762 sqft
ZoningBPC
ClassRM
Market Value$8.5M

21 SOUTH END AVE is a property located at 21 SOUTH END AVE, Manhattan, NY 10280. It is classified as a condo - multi-dwelling. The building was constructed in 1988. It has 9 floors and 183 units. The building area is 194,762 square feet on a 45,203 sqft lot. The property is zoned BPC. The assessed market value is $8.5M. It last sold for $915K on Nov 2, 2022. Public records list the property as company-owned. There are 536 building permits on record (351 active). There are 89 violations on record (2 currently open). 6 docketed judgments carrying $550 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

1,423records on file
32Energy Star

Completed in 1988, 21 South End Ave rises 9 stories over New York. Public records put it at 183 units and 194,762 square feet of floor area, on land zoned BPC. It is carried on the public rolls at a market value of $8.5M, and assessed for tax at $3.8M. In the 38 years its record reaches back, the lot has drawn 1,423 separate government filings — a paper trail nearly as tall as the building itself.

The documentary life of the address leans hard toward permit: 536 of its 1,423 records, fully 38%, fall under that one heading. Mortgage (214) and release (153) trail well behind. 2 violations stand open against it today.

The pace is anything but even. Activity is spread across the decades, with 2003 the busiest year on file.

On the environmental ledger, the building posts an Energy Star score of 32, with a site energy-use intensity of 73.2 kBtu per square foot. Its operations answer for roughly 1,413 metric tons of CO2-equivalent a year.

Read together — 38% permit, 38 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.

$8.5M of New York, written across 1,423 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

Address21 SOUTH END AVE, Manhattan, NY 10280
Building TypeCondo - Multi-Dwelling
RM
Year Built1988
Floors9
Total Units183
Building Area194,762 sqft
Lot Size45,203 sqft
ZoningBPC
ConditionAverage
1000166063
1075698
OwnershipCompany-owned

Assessment & Sales

$8.5M
$3.8M
$662K
$915K
Last Sale DateNov 2, 2022

Building Permits

536 on record · 351 active
General ConstructionDOB NOW
APPROVED
Filed Jul 10, 2026Est. cost $140KJob #M01414429-I1
View this permit's full record & inspection history →
General ConstructionDOB NOW
PLAN EXAMINER REVIEW
Filed Jul 6, 2026Est. cost $77KJob #M01101734-S1
View this permit's full record & inspection history →
General ConstructionDOB NOW
APPROVED
Filed Jun 29, 2026Est. cost $111KJob #M01101734-I1
View this permit's full record & inspection history →
General ConstructionDOB NOW
APPROVED
Filed Jun 22, 2026Est. cost $25KJob #M01366619-S1
View this permit's full record & inspection history →
General ConstructionDOB NOW
APPROVED
Filed Jun 22, 2026Est. cost $25KJob #M01366619-P1
View this permit's full record & inspection history →

+ 531 more permits — view full report

Violations

89 on record · 2 open
Open judgment balance — docketed OATH judgments$550
Judgments · 6 docketed
FDNY summons (OATH)JUDGMENT DOCKETED
Docketed Dec 31, 2025Ticket #014137039K
AFFIDAVITS, DESIGN INSTALLATION DOCUMENTS, AND OTHER DOCUMENTATION
Sanitation summons (OATH)JUDGMENT DOCKETED
Docketed May 31, 2024Balance $300Ticket #048121058N
FAILURE TO CLEAN 18 INCHES INTO STREET
NYPD summons (OATH)JUDGMENT DOCKETED
Docketed May 31, 2019Balance $250Ticket #0197820911
IMPROPER DISPOSAL OF REGULATED HOUSEHOLD WASTE
FDNY summons (OATH)JUDGMENT DOCKETED
Docketed Feb 28, 2019Ticket #011642770H
FIRE-RATED DOORS AND WINDOWS
DOB summons (OATH)JUDGMENT DOCKETED
Docketed May 31, 2019Ticket #035344274Y
WORK WITHOUT A PERMIT

+ 1 more docketed judgment — view full report

HPDClass A
NOV SENT OUT
Issued Apr 29, 2026#18836516

(A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPDS WEBSITE, WWW.NYC.GOV\HPD, SEARCH BED BUGS.

View this violation's full details & status history →
DOB LegacyE
ACTIVE
Issued Jan 15, 2021#2503660
View this violation's full details & status history →

+ 87 more violations on record — view full report

Get the Complete Report for 21 SOUTH END AVE

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

Free to view core records, no credit card required — the paid report adds title history & analysis.

View Report

Frequently Asked Questions

When was 21 SOUTH END AVE, Manhattan built?

The building at 21 SOUTH END AVE, Manhattan, NY 10280 was constructed in 1988. It is classified as a condo - multi-dwelling with 9 floors and 183 units. The building area is 194,762 sqft.

Are there building permits at 21 SOUTH END AVE, Manhattan?

Yes. 21 SOUTH END AVE, Manhattan, NY 10280 has 536 building permits on record, with 351 currently active. Permits are sourced from the NYC Department of Buildings (DOB Legacy and DOB NOW systems). The most recent permit is a General Construction (APPROVED) filed Jul 10, 2026.

Does 21 SOUTH END AVE, Manhattan have violations?

Yes. 21 SOUTH END AVE, Manhattan, NY 10280 has 89 violations on record, with 2 currently open. Breakdown: 59 DOB, 22 ECB, 8 HPD. Sources: NYC DOB, HPD, and ECB/OATH.

Does 21 SOUTH END AVE, Manhattan have docketed judgments?

Yes. 21 SOUTH END AVE, Manhattan, NY 10280 has 6 docketed judgments on record with the NYC Office of Administrative Trials & Hearings (OATH), with an open balance of $550. 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 21 SOUTH END AVE?

21 SOUTH END AVE, Manhattan, NY 10280 has an assessed market value of $8.5M and a total assessed value of $3.8M (land: $662K). Assessment data is from the NYC Department of Finance (DOF).

When was 21 SOUTH END AVE last sold?

21 SOUTH END AVE, Manhattan, NY 10280 last sold for $915K on Nov 2, 2022. Sale records are sourced from NYC ACRIS and Department of Finance rolling sales data.

What is the zoning for 21 SOUTH END AVE?

21 SOUTH END AVE, Manhattan, NY 10280 is zoned BPC. 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 21 SOUTH END AVE?

21 SOUTH END AVE, Manhattan, NY 10280 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 21 SOUTH END AVE?

Search 21 SOUTH END 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.

Search Another Property

Look up violations, permits, and records for any tri-state address.

Related searches
Manhattan Property Search →Manhattan Permit Search →Manhattan Violation Lookup →Manhattan Tax Search →Manhattan Title Search →Manhattan Zoning Lookup →NYC Permit Search →NYC Violation Lookup →NYC Property Tax →NYC Zoning Lookup →NYC Compliance Deadlines →NYC Violation Types →Free Property Search →Data Sources →Class R Buildings Guide →
21 SOUTH END AVE, Manhattan, NY 10280 — Property Records, Permits, Violations, Tax & Zoning | RegWatch