Two family converted from one family

321A 21 STREET

BROOKLYN · Sunset Park (West) · BIN 3017476

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1905Year Built

2Stories

B3Building Class

R6BZoning

1,208 sfGross Floor Area

2Units

0 Open ViolationsFDNY Report ↗

Two family converted from one family · 1,594 sf lot · 0.76 FAR built · Flood zone X

Locations of Work

ArchitectureStructuralPlumbing

Roof6p · 3 filings · 8 docs

Floor 33p · 1 filing · 3 docs

Floor 21p · 1 filing · 2 docs

Floor 1

Cellar2p · 1 filing · 3 docs

▾Owner History (Filing Record)

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

Owner	Filings	Most Recent
MNK ENTERPRISES LLC	5	03/22/2026
STEVEN ABBA ABBA BUILDERS	1	03/22/2026
THE OWNER OF	1	03/22/2026

▾Sales History (ACRIS)

Date	Price	Unit	Seller → Buyer	$/sf
08/01/2018	$1.5M	—	Private party → Private party	$1,275/sf building

▾Design Consultants (Architect / Engineer of Record)

Firm	Filings	Most Recent
GREEN DESIGN	1	10/22/2020
BLUE SKY DESIGN, INC.	1	09/10/2020
DAVID BLACK ARCHITECT PLLC	2	01/02/2020

▾Filing Representatives (Expediters)

Representative	Filings	Most Recent
MUNICIPAL BUILDING CONSULTANTS	3	03/21/2026

▾Contractors (License-Anchored)

Firm	Trade	Roles	Most Recent
MNK ENTERPRISES LLC	General Contractor	3	03/21/2026
BNR CONCRETE INC	General Contractor	2	03/21/2026
EARLY PLBG & HTG INC	Plumbing	1	07/08/2026

▾Special Inspection Agencies

Agency	License #	Filings	Most Recent
BLUE SKY DESIGN, INC.	1908	1	09/10/2020
RICHARD H. BALSER ENGINEE	3028	1	01/02/2020

Building Lifecycle

All (10)Filed (4)Permit Issued (2)Signed Off (1)Violation (2)Special Inspection (1)

06/30/2022

Signed off — Alteration

INSTALLATION OF TEMPORARY SIDEWALK SHED AS PER PLANS. NO CHANGE IN USE, EGRESS OR OCCUPANCY. SIDEWALK SHED SHALL COMPLY WITH CHAPTER #33 OF THE NYC BUILDING CODE.

B00417522-I1

12/15/2020

Violation issued (ECB, closed)

Unknown

10/22/2020

Filed — Alteration

INSTALLATION OF TEMPORARY SIDEWALK SHED AS PER PLANS. NO CHANGE IN USE, EGRESS OR OCCUPANCY. SIDEWALK SHED SHALL COMPLY WITH CHAPTER #33 OF THE NYC BUILDING CODE.

B00417522-I1

10/22/2020

Permit issued — Sidewalk Shed

B00417522-I1-SH

10/22/2020

Special inspection requirement — Final

Sunil Saigal

10/06/2020

Permit issued — Structural

B00390326-I1-ST

09/10/2020

Filed — Alteration

B00390326-I1

01/02/2020

Filed — Alteration

B00280968-I1

01/02/2020

Filed — Alteration

B00281013-I1

02/12/1999

Violation issued (ECB, closed)

Quality of Life

Permit / Filing Register

Source	Work Type	Status	Applicant	Issued
DOB NOW	Sidewalk Shed	Signed-off	MNK ENTERPRISES LLC	10/22/2020
DOB NOW	Structural	Permit Issued	BNR CONCRETE	10/06/2020
BIS	—	ISSUED	BNR CONCRETE INC	08/21/2020

1 project · most recent 10/22/2020

Filed	Status	Contractor	Scope
10/22/2020	Permit Issued	RICHARD NEU	—

▾Special Inspection Requirements (DOB NOW) — 1

Date	Requirement	Inspector	Role
10/22/2020	Final	Sunil Saigal	progress

▾Documents — 36 on file (BIS + DOB NOW)

▸Plans & Drawings4

▸DOB NOWPlans/Sketch - Mechanical Systems1

09/02/2026B00281013-I1Request digital key ↗

▸DOB NOWPlans/Sketch - Structural1

09/02/2026B00390326-I1Request digital key ↗

▸DOB NOWPlans/Sketch - Sidewalk Shed1

09/02/2026B00417522-I1Request digital key ↗

▸DOB NOWPlans/Sketch - Plumbing1

09/02/2026B00280968-I1Request digital key ↗

▸Applications & Permits2

▸BISPLAN / WORK APPROVAL APPLICATION1

10/04/2019321995141Open ↗

▸BISWORK PERMIT APPLICATION1

02/10/2021321995141Open ↗

▸Zoning, Tax Lot & Property Records1

▸BISZONING DIAGRAM1

01/10/2020321995141Open ↗

▸Seals & Professional Certifications8

▸DOB NOWDPL-1: Design Professional Seal & Signature4

09/02/2026B00417522-I1Open ↗

08/13/2026B00281013-I1Open ↗

08/13/2026B00390326-I1Open ↗

Showing 3 of 4 on file for this type

▸BISTECHNICAL REPORT: RESPONSIBILITY/CERTIFICATION3

01/22/2021321995141Open ↗

10/04/2019321995141Open ↗

▸DOB NOWProgress Inspector Seal & Signature1

08/28/2026B00417522-I1Open ↗

▸Safety & Tenant Protection3

▸BISDEMOLITION SUBMITTAL CERTIFICATION FORM1

10/04/2019321995141Open ↗

▸BISSTREET TREE CHECKLIST1

10/04/2019321995141Open ↗

▸DOB NOWTenant Protection Plan1

09/02/2026B00417522-I1Open ↗

▸Environmental & Asbestos3

▸DOB NOWDEP ACP-20/ACP-21: Asbestos Project Conditional Completion Form/Asbestos Project Completion Form2

08/13/2026B00390326-I1Open ↗

08/13/2026B00280968-I1Open ↗

▸BISASBESTOS: COMPLETION OR CLOSEOUT (ACP20/21/5)1

08/21/2020321995141Open ↗

▸Energy Compliance9

▸BISTECHNICAL REPORT: ENERGY CODE PROGRESS INSPS2

01/22/2021321995141Open ↗

10/04/2019321995141Open ↗

▸BISAIR SEALING AND INSULATION - VISUAL1

08/21/2020321995141Open ↗

▸BISINSULATION PLACEMENT & R VALUES1

08/21/2020321995141Open ↗

▸BISINTERIOR LIGHTING POWER1

08/21/2020321995141Open ↗

▸BISLIGHTING IN DWELLING UNITS1

08/21/2020321995141Open ↗

▸BISENERGY CODE COMPLIANCE INSPECTIONS1

08/21/2020321995141Open ↗

▸BISLIGHTING CONTROLS1

08/21/2020321995141Open ↗

▸BISFENESTRATION AIR LEAKAGE1

08/21/2020321995141Open ↗

▸Inspections & Test Reports2

▸BISSTRUCTURAL STABILITY - EXISTING BUILDINGS1

08/21/2020321995141Open ↗

▸BISFIRE-RESISTANT PENETRATIONS AND JOINTS (FIRESTOP)1

08/21/2020321995141Open ↗

▸Approvals, Objections & Sign-offs1

▸BISSCHEDULE A - OCCUPANCY / USE1

10/04/2019321995141Open ↗

▸Cost, Insurance & Ownership1

▸BISCOST AFFIDAVIT1

10/04/2019321995141Open ↗

▸Filing & Intake Forms2

▸BISADDITIONAL INFORMATION1

07/17/2020321995141Open ↗

▸BISEFILING COVER SHEET1

10/04/2019321995141Open ↗