Skip to content

Manhattan • Store Building

521 West 21 St

Manhattan, NY 10011Company-ownedBBL 1006930018BIN 1080299
Save buildingView report

Updated Aug 1, 2026 · 16 sources

Year Built1931
Floors2
Units7
Building Area34,600 sqft
ZoningM1-5
ClassK2
Market Value$20.5M

521 WEST 21 ST is a property located at 521 WEST 21 ST, Manhattan, NY 10011. It is classified as a store building - multi-story. The building was constructed in 1931. It has 2 floors and 7 units. The building area is 34,600 square feet on a 17,281 sqft lot. The property is zoned M1-5. The assessed market value is $20.5M. Public records list the property as company-owned. There are 68 building permits on record (57 active). There are 13 violations on record (3 currently open). 6 docketed judgments carrying $300 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

162records on file
19Energy Star

Completed in 1931, 521 West 21 St rises 2 stories over New York. Public records put it at 7 units and 34,600 square feet of floor area, on land zoned M1-5. It is carried on the public rolls at a market value of $20.5M, and assessed for tax at $9.2M. In the 59 years its record reaches back, the lot has drawn 162 separate government filings.

The documentary life of the address leans hard toward permit: 68 of its 162 records, fully 42%, fall under that one heading. Enforcement (23) and violation (13) trail well behind. 3 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 2005.

On the environmental ledger, the building posts an Energy Star score of 19, with a site energy-use intensity of 55.4 kBtu per square foot. Its operations answer for roughly 170 metric tons of CO2-equivalent a year.

Read together — 42% permit, 59 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.

$20.5M of New York, written across 162 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

Address521 WEST 21 ST, Manhattan, NY 10011
Building TypeStore Building - Multi-Story
K2
Year Built1931
Floors2
Total Units7
Building Area34,600 sqft
Lot Size17,281 sqft
ZoningM1-5
1006930018
1080299
OwnershipCompany-owned

Assessment & Sales

$20.5M
$9.2M
$1.6M

Building Permits

68 on record · 57 active
General ConstructionDOB NOW
LOC ISSUED
Filed Sep 11, 2024Est. cost $5KJob #M01089515-I1
View this permit's full record & inspection history →
Sidewalk ShedDOB NOW
SIGNED-OFF
Filed Aug 8, 2024Est. cost $5KJob #M01089515-I1

Initial Permit

View this permit's full record & inspection history →
General ConstructionDOB NOW
PERMIT ISSUED
Filed Sep 16, 2022Est. cost $9KJob #M00768613-I1

Initial Permit

View this permit's full record & inspection history →
General ConstructionDOB NOW
PERMIT ENTIRE
Filed Sep 16, 2022Est. cost $9KJob #M00768613-I1
View this permit's full record & inspection history →
PlumbingDOB NOW
SIGNED-OFF
Filed Jul 13, 2021Est. cost $4KJob #M00205875-I1

Renewal Permit Without Changes

View this permit's full record & inspection history →

+ 63 more permits — view full report

Violations

13 on record · 3 open
Open judgment balance — docketed OATH judgments$300
Judgments · 6 docketed
DEP summons (OATH)JUDGMENT DOCKETED
Docketed Feb 28, 2025Ticket #000820865K
IDLING OF MOTOR VEHICLE ENGINE MORE THAN THREE MINUTES 3RD AND SUB
Sanitation summons (OATH)JUDGMENT DOCKETED
Docketed Nov 30, 2023Balance $300Ticket #047841317H
DIRTY SIDEWALK
Sanitation summons (OATH)JUDGMENT DOCKETED
Docketed Feb 28, 2021Ticket #0210512978
DIRTY SIDEWALK DIRTY AREA
Sanitation summons (OATH)JUDGMENT DOCKETED
Docketed Feb 28, 2021Ticket #0210512666
FAILURE TO CLEAN 18 INCHES INTO STREET
OATH summonsJUDGMENT DOCKETED
Docketed Oct 31, 2004Ticket #0138326486
20040504N

+ 1 more docketed judgment — view full report

DOB LegacyLBLVIO
ACTIVE
Issued Apr 25, 2023#2619674

VIOLATION ISSUED-FAILURE TO FILE 2022 EXTERNAL LOW PRESSURE INSPECTION

View this violation's full details & status history →
DOB LegacyC
ACTIVE
Issued Mar 24, 1990#89236
View this violation's full details & status history →
DOB LegacyB
ACTIVE
Issued Jan 9, 1989#29961
View this violation's full details & status history →

+ 10 more violations on record — view full report

Get the Complete Report for 521 WEST 21 ST

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 521 WEST 21 ST, Manhattan built?

The building at 521 WEST 21 ST, Manhattan, NY 10011 was constructed in 1931. It is classified as a store building - multi-story with 2 floors and 7 units. The building area is 34,600 sqft.

Are there building permits at 521 WEST 21 ST, Manhattan?

Yes. 521 WEST 21 ST, Manhattan, NY 10011 has 68 building permits on record, with 57 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 (LOC ISSUED) filed Sep 11, 2024.

Does 521 WEST 21 ST, Manhattan have violations?

Yes. 521 WEST 21 ST, Manhattan, NY 10011 has 13 violations on record, with 3 currently open. Breakdown: 10 DOB, 3 ECB. Sources: NYC DOB, HPD, and ECB/OATH.

Does 521 WEST 21 ST, Manhattan have docketed judgments?

Yes. 521 WEST 21 ST, Manhattan, NY 10011 has 6 docketed judgments on record with the NYC Office of Administrative Trials & Hearings (OATH), with an open balance of $300. 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 WEST 21 ST?

521 WEST 21 ST, Manhattan, NY 10011 has an assessed market value of $20.5M and a total assessed value of $9.2M (land: $1.6M). Assessment data is from the NYC Department of Finance (DOF).

What is the zoning for 521 WEST 21 ST?

521 WEST 21 ST, Manhattan, NY 10011 is zoned M1-5. 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 WEST 21 ST?

521 WEST 21 ST, Manhattan, NY 10011 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 WEST 21 ST?

Search 521 WEST 21 ST 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 K Buildings Guide →
521 WEST 21 ST, Manhattan, NY 10011 — Property Records, Permits, Violations, Tax & Zoning | RegWatch