Brooklyn • Condo

539 Hart St

Brooklyn, NY 11221Company-ownedBBL 3032157502BIN 3073097

Updated Aug 2, 2026 · 16 sources

Year Built1920
Floors3
Units5
Building Area3,893 sqft
ZoningR6
ClassRM
Market Value$367K

539 HART ST is a property located at 539 HART ST, Brooklyn, NY 11221. It is classified as a condo - multi-dwelling. The building was constructed in 1920. It has 3 floors and 5 units. The building area is 3,893 square feet on a 1,837 sqft lot. The property is zoned R6. The assessed market value is $367K. It last sold for $1.1M on Apr 12, 2023. Public records list the property as company-owned. There are 25 building permits on record (13 active). There are 35 violations on record (0 currently open). 18 docketed judgments carrying $23,750 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

194records on file

Completed in 1920, 539 Hart St rises 3 stories over Kings. Public records put it at 5 units and 3,893 square feet of floor area, on land zoned R6. It is carried on the public rolls at a market value of $367K, and assessed for tax at $165K. In the 43 years its record reaches back, the lot has drawn 194 separate government filings.

The documentary life of the address leans hard toward violation: 35 of its 194 records, fully 18%, fall under that one heading. Enforcement (29) and inspection (26) trail well behind. No 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 2019.

Read together — 18% violation, 43 years of accumulation, a parcel of Kings — these scattered records compose a portrait of the address that no single page sets out to draw.

$367K of Kings, written across 194 government filings.

Property Details

Address539 HART ST, Brooklyn, NY 11221
Building TypeCondo - Multi-Dwelling
RM
Year Built1920
Floors3
Total Units5
Building Area3,893 sqft
Lot Size1,837 sqft
ZoningR6
ConditionAverage
3032157502
3073097
OwnershipCompany-owned

Assessment & Sales

$367K
$165K
$25K
$1.1M
Last Sale DateApr 12, 2023

Building Permits

25 on record · 13 active
Alteration — Type 1DOB Legacy
SIGNED OFF
Filed Aug 24, 2023Est. cost $840KJob #320626435-01
General ConstructionDOB NOW
LOC ISSUED
Filed Jun 13, 2023Est. cost $4KJob #B00131662-I1
Alteration — Type 3DOB Legacy
SIGNED OFF
Filed Oct 20, 2022Job #321060445-01
Alteration — Type 2DOB Legacy
SIGNED OFF
Filed Nov 16, 2020Est. cost $60KJob #321301097-01
Alteration — Type 2DOB Legacy
SIGNED OFF
Filed Jul 23, 2020Est. cost $10KJob #321072218-01

+ 20 more permitsview full report

Violations

35 on record · none currently open
Open judgment balance — docketed OATH judgments$23,750
Judgments · 18 docketed
DOB summons (OATH)JUDGMENT DOCKETED
Docketed May 31, 2023Balance $6,250Ticket #035661855L
ALT CHANGED BLDG OCCUPIED W O VALID C OF O PER 28-118.3.1-28-118.3.2
DOB summons (OATH)JUDGMENT DOCKETED
Docketed Feb 29, 2020Ticket #035412467M
FAIL TO PROVIDE APPROVED OR ACCEPTED CONSTRUCTION DOCS AT JOB SITE
DOB summons (OATH)JUDGMENT DOCKETED
Docketed Sep 30, 2021Balance $5,000Ticket #035441476R
CONSTRUCTION SUPERINTENDENT FAILED TO PERFORM DUTIES PER CODE
DOB summons (OATH)JUDGMENT DOCKETED
Docketed Feb 29, 2020Ticket #035441478K
FAIL TO PROVIDE APPROVED OR ACCEPTED CONSTRUCTION DOCS AT JOB SITE
DOB summons (OATH)JUDGMENT DOCKETED
Docketed Apr 30, 2020Ticket #035435154N
FAILURE TO MAINTAIN ADEQUATE HOUSEKEEPING PER SECTION REQUIREMENTS

+ 13 more docketed judgmentsview full report

HPDClass A
VIOLATION DISMISSED
Issued Jun 9, 2025#17985153

(A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPDS WEBSITE, WWW.NYC.GOV\HPD, SEARCH BED BUGS.

View this violation's full details & status history →
HPDClass I
VIOLATION DISMISSED
Issued Nov 27, 2024#17477931

§27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE §27-2097 AND IS THEREFORE SUBJECT TO CIVIL PENALTIES, PROHIBITED FROM CERTIFYING VIOLATIONS, AND DENIED THE RIGHT TO RECOVER POSSESSION OF PREMISES FOR NONPAYMENT OF RENT UNTIL A VALID REGISTRATION STATEMENT IS FILED.

View this violation's full details & status history →
ECBConstruction
RESOLVE
Issued Sep 13, 2022#35661856N

BC 907.2.8 FAILURE TO PROVIDE A FIRE ALARM SYSTEM FOR TRANSIENT USE INAPARTMENT 3A(3RD FLOOR).REM:DISCONTINUE ILLEGAL USE.

View this violation's full details & status history →
ECBConstruction
RESOLVE
Issued Sep 13, 2022#35661855L

ALTERED/CHANGED BUILDING OCCUPIED WITHOUT A VALID CERTIFICATE OF OCCUPANCY AS PER 28-118.3.1 AND 28-118.3.2 NOTED:AT TIME OF INSPECTION COFO#320626435T005 EXPIRED 04-20-2021 AND BUILDING IS FULLY OCCUPIED.REM:O

View this violation's full details & status history →
ECBQuality of Life
RESOLVE
Issued Sep 13, 2022#35661854J

PERMANENT DWELLING USED/CONVERTED FOR OTHER THAN PERMANENT-RESIDENTIALPURPOSES.CERTIFICATE OF OCCUPANCY#320626435T005 APPROVED CLASS A MULTIPLE-DWELLING NOW APARTMENT#3A(3RD FLOOR)USED/CONVERTED TRANSIENTLY HAV

View this violation's full details & status history →

+ 30 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 539 HART ST, Brooklyn built?

The building at 539 HART ST, Brooklyn, NY 11221 was constructed in 1920. It is classified as a condo - multi-dwelling with 3 floors and 5 units. The building area is 3,893 sqft.

Are there building permits at 539 HART ST, Brooklyn?

Yes. 539 HART ST, Brooklyn, NY 11221 has 25 building permits on record, with 13 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 Aug 24, 2023.

Does 539 HART ST, Brooklyn have violations?

Yes. 539 HART ST, Brooklyn, NY 11221 has 35 violations on record, with 0 currently open. Breakdown: 8 DOB, 23 ECB, 4 HPD. Sources: NYC DOB, HPD, and ECB/OATH.

Does 539 HART ST, Brooklyn have docketed judgments?

Yes. 539 HART ST, Brooklyn, NY 11221 has 18 docketed judgments on record with the NYC Office of Administrative Trials & Hearings (OATH), with an open balance of $23,750. 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 539 HART ST?

539 HART ST, Brooklyn, NY 11221 has an assessed market value of $367K and a total assessed value of $165K (land: $25K). Assessment data is from the NYC Department of Finance (DOF).

When was 539 HART ST last sold?

539 HART ST, Brooklyn, NY 11221 last sold for $1.1M on Apr 12, 2023. Sale records are sourced from NYC ACRIS and Department of Finance rolling sales data.

What is the zoning for 539 HART ST?

539 HART ST, Brooklyn, NY 11221 is zoned R6. 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 539 HART ST?

539 HART ST, Brooklyn, NY 11221 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 539 HART ST?

Search 539 HART 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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539 HART ST, Brooklyn, NY 11221 — Property Records, Permits, Violations, Tax & Zoning | RegWatch