Brooklyn

40 Duffield St

Brooklyn, NY 11201Individually ownedBBL 3001201001BIN 3398677

Updated Aug 1, 2026 · 16 sources

Floors4
ClassR1
Market Value$438K

40 DUFFIELD ST is a property located at 40 DUFFIELD ST, Brooklyn, NY 11201. The building has 4 floors. The assessed market value is $438K. It last sold for $783K on Nov 21, 2017. Public records list the property as individually owned. There are 18 building permits on record (12 active). Data sourced from NYC Department of Buildings (DOB), Housing Preservation & Development (HPD), Department of Finance (DOF), and other government agencies.

A RegWatch Dossier

46records on file

The lot at 40 Duffield St rises 4 stories over Kings. It is carried on the public rolls at a market value of $438K, and assessed for tax at $197K. In the 21 years its record reaches back, the lot has drawn 46 separate government filings.

The documentary life of the address leans hard toward permit: 18 of its 46 records, fully 39%, fall under that one heading. Assignment (13) and lien (6) trail well behind. No violations stand open against it today.

The pace is anything but even. Activity is spread across the decades, with 2012 the busiest year on file.

Read together — 39% permit, 21 years of accumulation, a parcel of Kings — these scattered records compose a portrait of the address that no single page sets out to draw.

$438K of Kings, written across 46 government filings.

Property Details

Address40 DUFFIELD ST, Brooklyn, NY 11201
R1
Year BuiltN/A
Floors4
Total UnitsN/A
Building AreaN/A
Lot SizeN/A
3001201001
3398677
OwnershipIndividually owned

Assessment & Sales

$438K
$197K
$21K
$783K
Last Sale DateNov 21, 2017

Building Permits

18 on record · 12 active
New BuildingDOB Legacy
SIGNED OFF
Filed Mar 27, 2012Job #302292846-02
New BuildingDOB Legacy
SIGNED OFF
Filed Mar 27, 2012Job #302292846-01
Alteration — Type 3DOB Legacy
SIGNED OFF
Filed Mar 6, 2012Job #302086301-01
General ConstructionDOB Legacy
COMPLETED
Filed Dec 28, 2011Job #320412282-01
Alteration — Type 3DOB Legacy
SIGNED OFF
Filed Mar 29, 2011Job #320086170-01

+ 13 more permitsview full report

Violations

none on record

No violations found in local records.

Get the Complete Report for 40 DUFFIELD 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

Are there building permits at 40 DUFFIELD ST, Brooklyn?

Yes. 40 DUFFIELD ST, Brooklyn, NY 11201 has 18 building permits on record, with 12 currently active. Permits are sourced from the NYC Department of Buildings (DOB Legacy and DOB NOW systems). The most recent permit is a New Building (SIGNED OFF) filed Mar 27, 2012.

Does 40 DUFFIELD ST, Brooklyn have violations?

No violations were found in local records for 40 DUFFIELD ST, Brooklyn, NY 11201. Violation data is sourced from DOB (safety and legacy), HPD (housing), and ECB (environmental control).

Does 40 DUFFIELD ST, Brooklyn have docketed judgments?

No docketed OATH judgments were found in local records for 40 DUFFIELD ST, Brooklyn, NY 11201. Judgment data is sourced from NYC Office of Administrative Trials & Hearings (OATH) hearing records.

What is the property tax assessment for 40 DUFFIELD ST?

40 DUFFIELD ST, Brooklyn, NY 11201 has an assessed market value of $438K and a total assessed value of $197K (land: $21K). Assessment data is from the NYC Department of Finance (DOF).

When was 40 DUFFIELD ST last sold?

40 DUFFIELD ST, Brooklyn, NY 11201 last sold for $783K on Nov 21, 2017. Sale records are sourced from NYC ACRIS and Department of Finance rolling sales data.

Who owns 40 DUFFIELD ST?

40 DUFFIELD ST, Brooklyn, NY 11201 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 40 DUFFIELD ST?

Search 40 DUFFIELD 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
40 DUFFIELD ST, Brooklyn, NY 11201 — Property Records, Permits, Violations, Tax & Zoning | RegWatch