Brooklyn

351 21 St

Brooklyn, NY 11215Individually ownedBBL 3008921021BIN 3391193

Updated Aug 1, 2026 · 16 sources

Floors5
ClassR2
Market Value$111K

351 21 ST is a property located at 351 21 ST, Brooklyn, NY 11215. The building has 5 floors. The assessed market value is $111K. It last sold for $1M on Mar 28, 2025. Public records list the property as individually owned. There are 29 building permits on record (20 active). There are 7 violations on record (1 currently open). Data sourced from NYC Department of Buildings (DOB), Housing Preservation & Development (HPD), Department of Finance (DOF), and other government agencies.

A RegWatch Dossier

82records on file

The lot at 351 21 St rises 5 stories over Kings. It is carried on the public rolls at a market value of $111K, and assessed for tax at $49.8K. In the 34 years its record reaches back, the lot has drawn 82 separate government filings.

The documentary life of the address leans hard toward permit: 29 of its 82 records, fully 35%, fall under that one heading. Complaint (15) and sale (10) trail well behind. 1 violation stands open against it today.

The pace is anything but even. The record runs hot early and quiets with age, with 2005 its single busiest year.

Read together — 35% permit, 34 years of accumulation, a parcel of Kings — these scattered records compose a portrait of the address that no single page sets out to draw.

$111K of Kings, written across 82 government filings.

Property Details

Address351 21 ST, Brooklyn, NY 11215
R2
Year BuiltN/A
Floors5
Total UnitsN/A
Building AreaN/A
Lot SizeN/A
3008921021
3391193
OwnershipIndividually owned

Assessment & Sales

$111K
$50K
$13K
$1M
Last Sale DateMar 28, 2025

Building Permits

29 on record · 20 active
Alteration — Type 1DOB Legacy
SIGNED OFF
Filed Jul 19, 2007Est. cost $250KJob #301880631-01
Alteration — Type 3DOB Legacy
SIGNED OFF
Filed Jun 1, 2007Job #301923140-01
Alteration — Type 3DOB Legacy
SIGNED OFF
Filed Jun 1, 2007Job #301923177-01
Alteration — Type 2DOB Legacy
SIGNED OFF
Filed May 31, 2007Est. cost $100KJob #301857024-01
Alteration — Type 2DOB Legacy
SIGNED OFF
Filed Mar 16, 2007Est. cost $20KJob #302261433-01

+ 24 more permitsview full report

Violations

7 on record · 1 open
DOB LegacyLocal Law 62/91
ACTIVE
Issued Aug 16, 1993#213085

+ 6 more violations on record — view full report

Get the Complete Report for 351 21 ST

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

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Frequently Asked Questions

Are there building permits at 351 21 ST, Brooklyn?

Yes. 351 21 ST, Brooklyn, NY 11215 has 29 building permits on record, with 20 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 19, 2007.

Does 351 21 ST, Brooklyn have violations?

Yes. 351 21 ST, Brooklyn, NY 11215 has 7 violations on record, with 1 currently open. Breakdown: 7 DOB. Sources: NYC DOB, HPD, and ECB/OATH.

Does 351 21 ST, Brooklyn have docketed judgments?

No docketed OATH judgments were found in local records for 351 21 ST, Brooklyn, NY 11215. Judgment data is sourced from NYC Office of Administrative Trials & Hearings (OATH) hearing records.

What is the property tax assessment for 351 21 ST?

351 21 ST, Brooklyn, NY 11215 has an assessed market value of $111K and a total assessed value of $50K (land: $13K). Assessment data is from the NYC Department of Finance (DOF).

When was 351 21 ST last sold?

351 21 ST, Brooklyn, NY 11215 last sold for $1M on Mar 28, 2025. Sale records are sourced from NYC ACRIS and Department of Finance rolling sales data.

Who owns 351 21 ST?

351 21 ST, Brooklyn, NY 11215 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 351 21 ST?

Search 351 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.

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351 21 ST, Brooklyn, NY 11215 — Property Records, Permits, Violations, Tax & Zoning | RegWatch