Brooklyn

251 Classon Ave

Brooklyn, NY 11205Individually ownedBBL 3019241001BIN 3343740

Updated Aug 1, 2026 · 16 sources

Floors5
ClassR4
Market Value$311K

251 CLASSON AVE is a property located at 251 CLASSON AVE, Brooklyn, NY 11205. The building has 5 floors. The assessed market value is $311K. It last sold for $835K on Jan 5, 2017. Public records list the property as individually owned. There are 21 building permits on record (21 active). There are 70 violations on record (35 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

180records on file
75Energy Star

The lot at 251 Classon Ave rises 5 stories over Kings. It is carried on the public rolls at a market value of $311K, and assessed for tax at $140K. In the 38 years its record reaches back, the lot has drawn 180 separate government filings.

The documentary life of the address leans hard toward violation: 70 of its 180 records, fully 39%, fall under that one heading. Complaint (46) and inspection (28) trail well behind. 35 violations stand open against it today.

The pace is anything but even. Activity is spread across the decades, with 1995 the busiest year on file.

On the environmental ledger, the building posts an Energy Star score of 75, with a site energy-use intensity of 60.7 kBtu per square foot. Its operations answer for roughly 573 metric tons of CO2-equivalent a year.

Read together — 39% violation, 38 years of accumulation, a parcel of Kings — these scattered records compose a portrait of the address that no single page sets out to draw.

$311K of Kings, written across 180 government filings.

Property Details

Address251 CLASSON AVE, Brooklyn, NY 11205
R4
Year BuiltN/A
Floors5
Total UnitsN/A
Building AreaN/A
Lot SizeN/A
3019241001
3343740
OwnershipIndividually owned

Assessment & Sales

$311K
$140K
$4K
$835K
Last Sale DateJan 5, 2017

Building Permits

21 on record · 21 active
PlumbingDOB Legacy
ISSUED
Filed Dec 13, 2017Job #321690602-01-01
AlterationDOB Legacy
ISSUED
Filed Jul 22, 2015Job #321129202-01-01
Construction EquipmentDOB Legacy
ISSUED
Filed Aug 13, 2008Job #310170187-01-01
Construction EquipmentDOB Legacy
ISSUED
Filed Nov 26, 2007Job #302348966-01-01
Construction EquipmentDOB Legacy
IN PROCESS
Filed Nov 26, 2007Job #310010699-01-01

+ 16 more permitsview full report

Violations

70 on record · 35 open
DOB LegacyElevator
ACTIVE
Issued May 20, 2019#2356255

FAILURE TO PERFORM CATEGORY 5 INSPECTION

View this violation's full details & status history →
DOB LegacyElevator
ACTIVE
Issued Apr 5, 2019#2340364

VIOLATION ISSUED TO ELEVATOR - FAILURE TO FILE CATEGORY 1 2017 INSPECTION/TEST

View this violation's full details & status history →
DOB LegacyElevator
ACTIVE
Issued Apr 5, 2019#2340365

VIOLATION ISSUED TO ELEVATOR - FAILURE TO FILE CATEGORY 1 2017 INSPECTION/TEST

View this violation's full details & status history →
DOB LegacyElevator
ACTIVE
Issued Apr 5, 2019#2340366

VIOLATION ISSUED TO ELEVATOR - FAILURE TO FILE CATEGORY 1 2017 INSPECTION/TEST

View this violation's full details & status history →
DOB LegacyACC1
ACTIVE
Issued Jan 26, 2018#2237953

VIO ISSUED TO ELEVATOR - FAIL TO CORRECT DEFECTS ON 2016 CAT 1 INSP/TST

View this violation's full details & status history →

+ 65 more violations on record — view full report

Get the Complete Report for 251 CLASSON AVE

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 251 CLASSON AVE, Brooklyn?

Yes. 251 CLASSON AVE, Brooklyn, NY 11205 has 21 building permits on record, with 21 currently active. Permits are sourced from the NYC Department of Buildings (DOB Legacy and DOB NOW systems). The most recent permit is a Plumbing (ISSUED) filed Dec 13, 2017.

Does 251 CLASSON AVE, Brooklyn have violations?

Yes. 251 CLASSON AVE, Brooklyn, NY 11205 has 70 violations on record, with 35 currently open. Breakdown: 68 DOB, 2 ECB. Sources: NYC DOB, HPD, and ECB/OATH.

Does 251 CLASSON AVE, Brooklyn have docketed judgments?

No docketed OATH judgments were found in local records for 251 CLASSON AVE, Brooklyn, NY 11205. Judgment data is sourced from NYC Office of Administrative Trials & Hearings (OATH) hearing records.

What is the property tax assessment for 251 CLASSON AVE?

251 CLASSON AVE, Brooklyn, NY 11205 has an assessed market value of $311K and a total assessed value of $140K (land: $4K). Assessment data is from the NYC Department of Finance (DOF).

When was 251 CLASSON AVE last sold?

251 CLASSON AVE, Brooklyn, NY 11205 last sold for $835K on Jan 5, 2017. Sale records are sourced from NYC ACRIS and Department of Finance rolling sales data.

Who owns 251 CLASSON AVE?

251 CLASSON AVE, Brooklyn, NY 11205 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 251 CLASSON AVE?

Search 251 CLASSON 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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251 CLASSON AVE, Brooklyn, NY 11205 — Property Records, Permits, Violations, Tax & Zoning | RegWatch