Primarily 2 family with 1 store or office

548 6 AVENUE

BROOKLYN · BIN 3422168

💬 Discuss this project

2012Year Built

4Stories

S2Building Class

R6BZoning

5,875 sfGross Floor Area

3Units

Rent Stabilized1 Open Violation ▸FDNY Report ↗

Primarily 2 family with 1 store or office · Owner of record: KEYSTONE 548 SIXTH LLC · 2,500 sf lot · 2.35 FAR built · Flood zone X

Locations of Work

No floor-level scope or drawing coverage on file for this building.

▾Owner History (Filing Record)

Companies and organizations named on filings. Individual owners are not shown.

Owner	Filings	Most Recent
548 6TH AVE LLC	1	03/22/2026
IDS MANAGEMENT	3	03/21/2026

▾Sales History (ACRIS)

Date	Price	Unit	Seller → Buyer	$/sf
12/18/2025	$3.4M	—	— → —	$574/sf building
01/19/2021	$3.0M	—	548 6TH AVENUE LLC → KEYSTONE 548 SIXTH LLC	$511/sf building

▾Design Consultants (Architect / Engineer of Record)

Firm	Filings	Most Recent
SA-DA ARCHITECTURE	1	03/31/2021

▾Filing Representatives (Expediters)

Representative	Filings	Most Recent
BIG ORANGE EXPEDITING	2	03/21/2026

▾Contractors (License-Anchored)

Firm	Trade	Roles	Most Recent
BLACK SQUARE BUILDERS CORP	General Contractor	1	07/08/2026

Building Lifecycle

All (13)Filed (1)Permit Issued (1)Signed Off (1)Violation (10)

06/10/2026

Violation issued (ECB, open)

Construction

02/02/2026

Violation issued (FDNY_NOV, closed)

02/02/2026

Violation issued (FDNY_NOV, closed)

01/08/2026

Violation issued (FDNY_NOV, closed)

09/24/2025

Violation issued (FDNY_NOV, closed)

09/24/2025

Violation issued (FDNY_NOV, closed)

11/28/2023

Violation issued (HPD, closed)

09/29/2023

Signed off — Alteration

B00492244-I1

06/08/2022

Permit issued — General Construction

B00492244-I1-GC

03/31/2021

Filed — Alteration

B00492244-I1

01/29/2018

Violation issued (ECB, closed)

Construction

03/01/1994

Violation issued (FDNY_NOV, closed)

09/21/1988

Violation issued (DOB, closed)

V*-DOB VIOLATION - DISMISSED

Permit / Filing Register

Source	Work Type	Status	Applicant	Issued
DOB NOW	General Construction	Signed-off	BLACK SQUARE BUILDERS COR	06/08/2022
BIS	PL	ISSUED	S. WACHTEL PLBG & HTG INC	03/28/2014
BIS	EQ	ISSUED	IDS MANAGEMENT LLC	03/21/2014
BIS	—	ISSUED	IDS MANAGEMENT LLC	03/21/2014
BIS	EQ	ISSUED	IDS MANAGEMENT LLC	11/04/2013
BIS	—	ISSUED	IDS MANAGEMENT LLC	11/04/2013
BIS	SP	ISSUED	TARGET PIPING NY LLC	08/30/2013
BIS	—	ISSUED	IDS MANAGEMENT LLC	03/20/2013
BIS	EQ	ISSUED	IDS MANAGEMENT LLC	03/20/2013
BIS	PL	ISSUED	S. WACHTEL PLBG & HTG INC	02/21/2013
BIS	—	ISSUED	IDS MANAGEMENT LLC	11/06/2012
BIS	EQ	ISSUED	IDS MANAGEMENT LLC	11/06/2012
BIS	—	ISSUED	IDS MANAGEMENT LLC	06/07/2012
BIS	EQ	ISSUED	IDS MANAGEMENT LLC	06/05/2012
BIS	—	ISSUED	IDS MANAGEMENT LLC	01/03/2012
BIS	EQ	ISSUED	IDS MANAGEMENT LLC	12/14/2011

Nothing on file for this building.

▾Documents — 134 on file (BIS + DOB NOW)

▸Plans & Drawings1

▸DOB NOWPlans/Sketch1

09/01/2026B00492244-I1Request digital key ↗

▸Applications & Permits20

▸BISPLAN / WORK APPROVAL APPLICATION13

06/02/2014320441535Open ↗

05/01/2014320383697Open ↗

01/27/2014320441535Open ↗

Showing 3 of 13 on file for this type

▸BISWORK PERMIT APPLICATION6

06/21/2014320383697Open ↗

09/13/2013320441535Open ↗

02/22/2013320383697Open ↗

Showing 3 of 6 on file for this type

▸BISBPP-5 - Authorization to the Department of Transportation1

01/25/2012320424607Open ↗

▸Zoning, Tax Lot & Property Records3

▸BISZoning Diagram (ZD1)1

05/22/2012320383697Open ↗

▸BISADDRESS - NEW HOUSE NUMBER APPROVED1

05/17/2012320383697Open ↗

▸BISZONING DIAGRAM1

02/02/2012320383697Open ↗

▸Seals & Professional Certifications15

▸BISTECHNICAL REPORT: RESPONSIBILITY/CERTIFICATION13

06/02/2014320441535Open ↗

05/19/2014320441535Open ↗

05/02/2014320441535Open ↗

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▸BISPROFESSIONAL CERTIFICATION STATEMENT FORM1

06/07/2012320383697Open ↗

▸DOB NOWDPL-1: Design Professional Seal & Signature1

09/01/2026B00492244-I1Open ↗

▸Trade Schedules & Equipment22

▸BISSELF-CERT PLUMBING NOTICE5

04/29/2015320441535Open ↗

07/22/2014320441535Open ↗

06/30/2014320441535Open ↗

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▸BISSCHEDULE B - PLUMBING3

03/15/2013320383697Open ↗

03/01/2012320441535Open ↗

10/31/2011320383697Open ↗

▸BISSCHEDULE B - PLUMBING/SPRINKLER/STANDPIPE3

06/12/2014320383697Open ↗

05/01/2014320383697Open ↗

01/27/2014320441535Open ↗

▸BISFA - FDNY APPROVAL : FD-FAA3

07/22/2014320441535Open ↗

07/10/2014320383697Open ↗

06/17/2014320844486Open ↗

▸BISSEWER/HOUSE CON SIGNOFF: DEP HC 0211

01/29/2013320383697Open ↗

▸BISSPRINKLER INSP REPORT : FP-851

04/29/2015320441535Open ↗

▸BISGAS CUT-OFF1

12/15/2011320392400Open ↗

▸BISSEWER CONNECTION: DEP SD1 & SD21

05/17/2012320383697Open ↗

▸BISWATER CUT-OFF1

12/15/2011320392400Open ↗

▸BISELECTRIC CUT-OFF1

12/15/2011320392400Open ↗

▸BISSEWER CUT-OFF1

12/15/2011320392400Open ↗

▸BISWATER METER PERMIT : DEP-METER1

12/15/2011320392400Open ↗

▸Safety & Tenant Protection5

▸BISST-1 Street Tree Checklist2

05/21/2012320383697Open ↗

05/17/2012320383697Open ↗

▸BISSTREET TREE CHECKLIST2

03/01/2012320441535Open ↗

01/25/2012320424607Open ↗

▸BISDEMOLITION SUBMITTAL CERTIFICATION FORM1

12/15/2011320392400Open ↗

▸Environmental & Asbestos2

▸BISRODENT CONTROL1

12/15/2011320392400Open ↗

▸BISTHIS IS 'NOT AN ASBESTOS PROJECT'1

11/14/2011320392400Open ↗

▸Energy Compliance2

▸BISTECHNICAL REPORT: ENERGY CODE PROGRESS INSPS2

05/19/2014320441535Open ↗

06/11/2012320383697Open ↗

▸Inspections & Test Reports5

▸BISTECHNICAL REPORT: CONCRETE/TEST CYLINDER2

02/01/2014320383697Open ↗

06/07/2012320383697Open ↗

▸BISHYDRO FLOW TEST LETTER2

10/16/2012320441535Open ↗

04/30/2012320383697Open ↗

▸BISTECHNICAL REPORT: CONCRETE DESIGN MIX1

06/07/2012320383697Open ↗

▸Approvals, Objections & Sign-offs37

▸BISLETTERS - SUPPORTING DOCUMENTATION23

09/09/2014320424607Open ↗

Showing 3 of 23 on file for this type

▸BISADMINISTRATIVE OBJECTIONS5

08/20/2013320844486Open ↗

03/01/2012320441535Open ↗

01/25/2012320424607Open ↗

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▸BISSCHEDULE A - OCCUPANCY / USE4

09/12/2012320383697Open ↗

10/31/2011320383697Open ↗

05/02/2012320383697Open ↗

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▸BISCERTIFICATE OF OCCUPANCY - LOC: REQUEST4

09/09/2014320383697Open ↗

06/17/2014320844486Open ↗

07/10/2014320383697Open ↗

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▸BISCCD1-Construction Code Determination1

02/08/2012320392400Open ↗

▸Cost, Insurance & Ownership5

▸BISCOST AFFIDAVIT4

06/17/2014320844486Open ↗

05/19/2014320441535Open ↗

08/20/2013320844486Open ↗

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▸BISPROJECT-SPECIFIC GL INSURANCE1

06/11/2012320383697Open ↗

▸Filing & Intake Forms15

▸BISADDITIONAL INFORMATION8

09/09/2014320383697Open ↗

05/15/2014320383697Open ↗

05/01/2014320383697Open ↗

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▸BISEFILING COVER SHEET5

08/20/2013320844486Open ↗

03/07/2012320383697Open ↗

03/01/2012320441535Open ↗

Showing 3 of 5 on file for this type

▸BISSRO INTAKE FORM(SRO1)1

12/15/2011320392400Open ↗

▸BISBPP: CHECKLIST IN LIEU OF PLANS-ALT31

01/25/2012320424607Open ↗

▸Other Documents2

▸BISEXTERNAL FORMS - SUPPORTING DOCUMENTATION1

12/15/2011320392400Open ↗

▸BISPlot Diagram1

05/17/2012320383697Open ↗