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447 East 21 St

Brooklyn, NY 11226Individually ownedBBL 3051640057BIN 3118856
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16 sources

Year Built1965
Floors3
Units3
Building Area3,600 sqft
ZoningR6A
ClassC0
Market Value$1.4M

447 EAST 21 ST is a property located at 447 EAST 21 ST, Brooklyn, NY 11226. It is classified as a walk-up apartment - three families. The building was constructed in 1965. It has 3 floors and 3 units. The building area is 3,600 square feet on a 1,920 sqft lot. The property is zoned R6A. The assessed market value is $1.4M. It last sold for $745K on Jul 25, 2014. Public records list the property as individually owned. There are 3 building permits on record (2 active). There are 16 violations on record (1 currently open). 1 docketed judgment carrying $300 in open balances is 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

68records on file

Completed in 1965, 447 East 21 St rises 3 stories over Kings. Public records put it at 3 units and 3,600 square feet of floor area, on land zoned R6A. It is carried on the public rolls at a market value of $1.4M, and assessed for tax at $83.5K. In the 61 years its record reaches back, the lot has drawn 68 separate government filings.

The documentary life of the address leans hard toward violation: 16 of its 68 records, fully 24%, fall under that one heading. Mortgage (15) and sale (12) trail well behind. 1 violation stands 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.

Read together — 24% violation, 61 years of accumulation, a parcel of Kings — these scattered records compose a portrait of the address that no single page sets out to draw.

$1.4M of Kings, written across 68 government filings.

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Executive summary, compliance history, title chain & existing debt, recorded documents & agreements, owner contacts, tax detail, Use & Development, build envelope, market comps, investment metrics, deal math & stress tests, deal signals, pre-foreclosure signals, neighborhood. Downloadable PDF. One payment, no subscription.

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

Address447 EAST 21 ST, Brooklyn, NY 11226
Building TypeWalk-Up Apartment - Three Families
C0
Year Built1965
Floors3
Total Units3
Building Area3,600 sqft
Lot Size1,920 sqft
ZoningR6A
ConditionAverage
3051640057
3118856
OwnershipIndividually owned

Assessment & Sales

$1.4M
$84K
$24K
$745K
Last Sale DateJul 25, 2014

Building Permits

3 on record · 2 active
Alteration — Type 1DOB Legacy
SIGNED OFF
Filed Jul 18, 2007Est. cost $2KJob #300336740-01

GEN.CONSTR.

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AlterationDOB Legacy
ISSUED
Filed Oct 30, 2006Job #300336740-01-01

PL

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PlumbingDOB Legacy
ISSUED
Filed Sep 22, 2005Job #300336740-1-1-hist
View this permit's full record & inspection history →

Violations

16 on record · 1 open
Open judgment balance — docketed OATH judgments$300
Judgments · 1 docketed
Sanitation summons (OATH)JUDGMENT DOCKETED
Docketed Dec 31, 2025Balance $300Ticket #049202957H
IMPROPER RECEPTACLE FAILURE TO CONTAINERIZE - RESIDENTIAL 1ST
SafetyGas Piping Ll152
ACTIVE
Issued Jan 31, 2025#NOD-FTF-PL-PER-202312-0021752

Cycle 1, Sub-cycle D (premises is in Community District 14)

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+ 15 more violations on record — view full report

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

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Frequently Asked Questions

When was 447 EAST 21 ST, Brooklyn built?

The building at 447 EAST 21 ST, Brooklyn, NY 11226 was constructed in 1965. It is classified as a walk-up apartment - three families with 3 floors and 3 units. The building area is 3,600 sqft.

Are there building permits at 447 EAST 21 ST, Brooklyn?

Yes. 447 EAST 21 ST, Brooklyn, NY 11226 has 3 building permits on record, with 2 currently active. Permits are sourced from the NYC Department of Buildings (DOB Legacy and DOB NOW systems). The most recent permit is a Alteration — Type 1 (SIGNED OFF) filed Jul 18, 2007.

Does 447 EAST 21 ST, Brooklyn have violations?

Yes. 447 EAST 21 ST, Brooklyn, NY 11226 has 16 violations on record, with 1 currently open. Breakdown: 1 DOB Safety, 15 HPD. Sources: NYC DOB, HPD, and ECB/OATH.

Does 447 EAST 21 ST, Brooklyn have docketed judgments?

Yes. 447 EAST 21 ST, Brooklyn, NY 11226 has 1 docketed judgment 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 447 EAST 21 ST?

447 EAST 21 ST, Brooklyn, NY 11226 has an assessed market value of $1.4M and a total assessed value of $84K (land: $24K). Assessment data is from the NYC Department of Finance (DOF).

When was 447 EAST 21 ST last sold?

447 EAST 21 ST, Brooklyn, NY 11226 last sold for $745K on Jul 25, 2014. Sale records are sourced from NYC ACRIS and Department of Finance rolling sales data.

What is the zoning for 447 EAST 21 ST?

447 EAST 21 ST, Brooklyn, NY 11226 is zoned R6A. 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 447 EAST 21 ST?

447 EAST 21 ST, Brooklyn, NY 11226 is individually 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 447 EAST 21 ST?

Search 447 EAST 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 ($15, one-time) adds the complete title history, owner contacts, and a downloadable PDF.

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447 EAST 21 ST, Brooklyn, NY 11226 — Property Records, Permits, Violations, Tax & Zoning | RegWatch