Two family brick

893 KNICKERBOCKER AVENUE

BROOKLYN · BIN 3079805

💬 Discuss this project

1910Year Built

2Stories

B1Building Class

R6Zoning

1,960 sfGross Floor Area

2Units

Rent Stabilized3 Open Violations ▸FDNY Report ↗

Two family brick · Owner of record: TOWNHOUSE RENTAL VII, L.L.C. · 2,000 sf lot · 0.98 FAR built · Flood zone X

Locations of Work

ArchitectureStructuralMechanicalPlumbingFire Protection

Roof36p · 1 filing · 20 docs

Penthouse37p · 1 filing · 20 docs

Floor 439p · 1 filing · 20 docs

Floor 338p · 1 filing · 20 docs

Floor 236p · 1 filing · 20 docs

Floor 136p · 1 filing · 20 docs

Basement35p · 1 filing · 20 docs

▾Owner History (Filing Record)

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

Owner	Filings	Most Recent
UNIVERSAL SYSTEMS	4	04/09/2026
EAST COAST MANAGEMENT SOLUTIONS	1	03/21/2026
TOWNHOUSE RENTAL II, LLC	1	03/21/2026

▾Sales History (ACRIS)

Date	Price	Unit	Seller → Buyer	$/sf
03/13/2025	$3.5M	—	893 ON LLC → TOWNHOUSE RENTAL II, L.L.C.	$1,786/sf building
01/31/2023	$1.1M	—	— → —	$587/sf building

▾Design Consultants (Architect / Engineer of Record)

Firm	Filings	Most Recent
INFOCUS DESIGN AND PLANNING PC	16	12/09/2024
NAVI STRUCTURAL ENGINEERING, PLLC	1	07/17/2023

▾Filing Representatives (Expediters)

Representative	Filings	Most Recent
EAST COAST MANAGEMENT SOLUTIONS	32	03/21/2026
EUROCELT EXPEDITING, INC	2	03/21/2026

▾Contractors (License-Anchored)

Firm	Trade	Roles	Most Recent
EAST COAST MANAGEMENT*	General Contractor	7	04/09/2026
LIT MODE ELECL CONTG INC	Electrical	1	03/22/2026
DEPENDABLE MECHANICAL COR	Fire Protection	1	07/08/2026
UNIVERSAL SYSTEMS INC	General Contractor	1	04/09/2026
EH PLUMBING & HEATING COR	Plumbing	1	07/08/2026

▾Special Inspection Agencies

Agency	License #	Filings	Most Recent
INFOCUS DESIGN & PLANNING	932	13	12/09/2024

Building Lifecycle

All (150)Filed (17)Permit Issued (10)Signed Off (7)Violation (4)Inspection (12)Objection (70)Special Inspection (30)

06/15/2026

Violation issued (HPD, open)

06/10/2025

Violation issued (HPD, closed)

12/18/2024

Inspection — Pass-Final CND-Occupancy Inspection

Pass

View inspection ↗

12/09/2024

Filed — ALT-CO - New Building with Existing Elements to Remain

SOE work to be conducted.

B08040456-P9

12/05/2024

Special inspection requirement — Fenestration areas

ROBERT SIQECA

12/05/2024

Special inspection requirement — Concrete - Cast-In-Place

WU(WOODY) CHEN

12/05/2024

Special inspection requirement — Lighting controls

ROBERT SIQECA

12/05/2024

Special inspection requirement — Insulation placement and R values

ROBERT SIQECA

12/05/2024

Special inspection requirement — Structural Stability – Alterations of existing buildings

WU(WOODY) CHEN

12/05/2024

Special inspection requirement — Subsurface Investigations (Borings/Test Pits)

FAHAD FATEH

12/05/2024

Special inspection requirement — Preliminary

ROBERT SIQECA

12/05/2024

Special inspection requirement — Exterior lighting power

ROBERT SIQECA

12/05/2024

Special inspection requirement — Fenestration air leakage

ROBERT SIQECA

12/05/2024

Special inspection requirement — Maintenance information

ROBERT SIQECA

12/05/2024

Special inspection requirement — Fenestration and door U-factor and product ratings

ROBERT SIQECA

12/05/2024

Special inspection requirement — Interior lighting power

ROBERT SIQECA

12/05/2024

Special inspection requirement — Subgrade Inspections

WU(WOODY) CHEN

12/05/2024

Special inspection requirement — Energy Code Compliance Inspections

ROBERT SIQECA

12/05/2024

Special inspection requirement — Masonry

WU(WOODY) CHEN

12/05/2024

Special inspection requirement — Fire-Resistance Rated Construction

ROBERT SIQECA

12/05/2024

Special inspection requirement — Air barrier - visual inspection

ROBERT SIQECA

12/05/2024

Special inspection requirement — Lighting in dwelling units

ROBERT SIQECA

12/05/2024

Special inspection requirement — Fire-Resistant Penetrations and Joints

WU(WOODY) CHEN

12/05/2024

Special inspection requirement — Metering

ROBERT SIQECA

12/05/2024

Special inspection requirement — Construction Operations Influencing Adjacent Structures

WU(WOODY) CHEN

11/25/2024

Filed — ALT-CO - New Building with Existing Elements to Remain

SOE work to be conducted.

B08040456-P8

11/22/2024

Special inspection requirement — Energy Code Compliance Inspections

ROBERT SIQECA

11/22/2024

Special inspection requirement — Fire-Resistance Rated Construction

ROBERT SIQECA

11/22/2024

Special inspection requirement — Insulation placement and R values

ROBERT SIQECA

11/22/2024

Special inspection requirement — Preliminary

ROBERT SIQECA

11/22/2024

Special inspection requirement — Lighting in dwelling units

ROBERT SIQECA

11/22/2024

Special inspection requirement — Concrete - Cast-In-Place

WU(WOODY) CHEN

11/22/2024

Special inspection requirement — Construction Operations Influencing Adjacent Structures

WU(WOODY) CHEN

11/22/2024

Special inspection requirement — Fire-Resistant Penetrations and Joints

WU(WOODY) CHEN

11/22/2024

Special inspection requirement — Subsurface Investigations (Borings/Test Pits)

FAHAD FATEH

08/15/2024

Inspection — Pass-Final CND-Occupancy Inspection

Pass

View inspection ↗

06/14/2024

Signed off — ALT-CO - New Building with Existing Elements to Remain

SOE work to be conducted.

B08040456-S3

06/12/2024

Signed off — ALT-CO - New Building with Existing Elements to Remain

SOE work to be conducted.

B08040456-S2

06/12/2024

Signed off — Alteration

INSTALLATION OF A HEAVY DUTY SIDEWALK SHED AS PER PLANS IN CONJUNCTION WITH BUILDING ENLARGEMENT. NO CHANGE IN USE, EGRESS OR OCCUPANCY. SIDEWALK SHED TO COMPLY WITH CHAPTER 33 OF NYC BUILDING CODE.

B00905141-I1

05/21/2024

Inspection — Certified Sprinkler-SP-Piping Dry/Wet-Hydrostatic Test

Certified

View inspection ↗

05/17/2024

Inspection — Certified Sprinkler-SP-Fixtures-Finish

Certified

View inspection ↗

05/16/2024

Signed off — ALT-CO - New Building with Existing Elements to Remain

SOE work to be conducted.

B08040456-S6

05/16/2024

Signed off — ALT-CO - New Building with Existing Elements to Remain

SOE work to be conducted.

B08040456-S4

05/16/2024

Signed off — ALT-CO - New Building with Existing Elements to Remain

SOE work to be conducted.

B08040456-S5

05/09/2024

Inspection — Pass-Final CND-Occupancy Inspection

Pass

View inspection ↗

05/02/2024

Signed off — ALT-CO - New Building with Existing Elements to Remain

SOE work to be conducted.

B08040456-S1

04/18/2024

Inspection — Certified Storm Drainage-ST-Fixtures-Finish

Certified

View inspection ↗

04/18/2024

Inspection — Certified Water and Sanitary-WS-Fixtures-Finish

Certified

View inspection ↗

04/05/2024

Objection raised — Other

04/05/2024

Objection resolved — Addressed

04/04/2024

Filed — ALT-CO - New Building with Existing Elements to Remain

SOE work to be conducted.

B08040456-P5

04/04/2024

Filed — ALT-CO - New Building with Existing Elements to Remain

SOE work to be conducted.

B08040456-P6

04/03/2024

Objection resolved — Addressed

04/03/2024

Objection resolved — Addressed

04/02/2024

Objection raised — Other

04/02/2024

Objection raised — Other

03/27/2024

Filed — ALT-CO - New Building with Existing Elements to Remain

SOE work to be conducted.

B08040456-P7

02/29/2024

Objection resolved — Addressed

02/26/2024

Objection raised — Other

02/14/2024

Objection resolved — Addressed

Latest 60 of 150 events.

Permit / Filing Register

Source	Work Type	Status	Applicant	Issued
DOB NOW	General Construction	Permit Issued	EAST COAST MANAGEMENT*	08/02/2023
DOB NOW	Sidewalk Shed	Signed-off	UNIVERSAL SYSTEMS INC	07/20/2023
DOB NOW	Sprinklers	Signed-off	DEPENDABLE MECHANICAL COR	07/12/2023
DOB NOW	Plumbing	Signed-off	EH PLUMBING & HEATING COR	06/27/2023
DOB NOW	Mechanical Systems	Signed-off	EAST COAST MANAGEMENT*	06/16/2023
DOB NOW	General Construction	Permit Issued	EAST COAST MANAGEMENT*	06/01/2023
DOB NOW	Earth Work	Signed-off	EAST COAST MANAGEMENT*	05/31/2023
DOB NOW	Support of Excavation	Signed-off	EAST COAST MANAGEMENT*	05/31/2023
DOB NOW	Structural	Signed-off	EAST COAST MANAGEMENT*	05/31/2023
DOB NOW	Construction Fence	Signed-off	EAST COAST MANAGEMENT*	05/30/2023
BIS	OT	ISSUED	J C CONSTRUCTION	07/22/2003

1 project · most recent 12/09/2024

Heating and Air Conditioning Systems

Filed	Status	Contractor	Scope	Make / Model / Capacity
12/09/2024	Permit Issued	EAST COAST MANAGEMENT*	Heating and Air Conditioning Systems	Heat / Cool Mitsubishi Electric Mitsubishi MXZ-3c24NAhz3 23,600 BTU · Heat Pump Outdoor ×12

1 project · most recent 12/09/2024

Sprinkler System

Filed	Status	Contractor	Scope
12/09/2024	Signed-off	A&H EXPRESS PLBG&HTG CORP	Sprinkler System

1 project · most recent 12/09/2024

Gas Storm Water/Sanitary

Filed	Status	Contractor	Scope
12/09/2024	Signed-off	EH PLUMBING & HEATING COR	Gas, Storm, Water/Sanitary

3 projects · most recent 09/17/2024

General Wiring

Filed	Status	Contractor	Scope
09/17/2024	Complete	TITANIUM ELECTRICAL CORP	General Wiring
06/05/2024	Complete	LIT MODE ELECL CONTG INC	General Wiring
07/13/2023	Complete	TOP SHELF ELECTRIC CORP	—

1 project · most recent 12/09/2024

Concrete Masonry

Filed	Status	Contractor	Scope
12/09/2024	Permit Issued	EAST COAST MANAGEMENT*	Concrete, Masonry

1 project · most recent 12/09/2024

Fence

Filed	Status	Contractor	Scope
12/09/2024	Permit Issued	EAST COAST MANAGEMENT*	Fence

▾Field Inspections (DOB CAP) — 12

Date	Type	Result	Report
12/18/2024	Pass-Final CND-Occupancy Inspection	Pass	View ↗
08/15/2024	Pass-Final CND-Occupancy Inspection	Pass	View ↗
05/21/2024	Certified Sprinkler-SP-Piping Dry/Wet-Hydrostatic Test	Certified	View ↗
05/17/2024	Certified Sprinkler-SP-Fixtures-Finish	Certified	View ↗
05/09/2024	Pass-Final CND-Occupancy Inspection	Pass	View ↗
04/18/2024	Certified Storm Drainage-ST-Fixtures-Finish	Certified	View ↗
04/18/2024	Certified Water and Sanitary-WS-Fixtures-Finish	Certified	View ↗
09/22/2023	Certified Storm Drainage-ST-Piping-Roughing	Certified	View ↗
09/22/2023	Certified Water and Sanitary-WS-Sanitary Piping-Roughing	Certified	View ↗
08/14/2023	Certified Sprinkler-SP-Piping Dry/Wet-Hydrostatic Test	Certified	View ↗
08/11/2023	Certified Sprinkler-SP-Fixtures-Finish	Certified	View ↗
07/13/2023	Certified Water and Sanitary-WS-Sanitary Piping-Underground	Certified	View ↗

▾Special Inspection Requirements (DOB NOW) — 132

Date	Requirement	Inspector	Role
12/05/2024	Concrete - Cast-In-Place	WU(WOODY) CHEN	special
12/05/2024	Interior lighting power	ROBERT SIQECA	energy_progress
12/05/2024	Fenestration and door U-factor and product ratings	ROBERT SIQECA	energy_progress
12/05/2024	Fenestration areas	ROBERT SIQECA	energy_progress
12/05/2024	Insulation placement and R values	ROBERT SIQECA	energy_progress
12/05/2024	Maintenance information	ROBERT SIQECA	energy_progress
12/05/2024	Fenestration air leakage	ROBERT SIQECA	energy_progress
12/05/2024	Metering	ROBERT SIQECA	energy_progress
12/05/2024	Lighting controls	ROBERT SIQECA	energy_progress
12/05/2024	Exterior lighting power	ROBERT SIQECA	energy_progress
12/05/2024	Lighting in dwelling units	ROBERT SIQECA	energy_progress
12/05/2024	Air barrier - visual inspection	ROBERT SIQECA	energy_progress
12/05/2024	Preliminary	ROBERT SIQECA	progress
12/05/2024	Fire-Resistance Rated Construction	ROBERT SIQECA	progress
12/05/2024	Energy Code Compliance Inspections	ROBERT SIQECA	progress
12/05/2024	Subsurface Investigations (Borings/Test Pits)	FAHAD FATEH	special
12/05/2024	Construction Operations Influencing Adjacent Structures	WU(WOODY) CHEN	special
12/05/2024	Fire-Resistant Penetrations and Joints	WU(WOODY) CHEN	special
12/05/2024	Masonry	WU(WOODY) CHEN	special
12/05/2024	Structural Stability – Alterations of existing buildings	WU(WOODY) CHEN	special
12/05/2024	Subgrade Inspections	WU(WOODY) CHEN	special
11/22/2024	Interior lighting power	ROBERT SIQECA	energy_progress
11/22/2024	Preliminary	ROBERT SIQECA	progress
11/22/2024	Fenestration areas	ROBERT SIQECA	energy_progress
11/22/2024	Maintenance information	ROBERT SIQECA	energy_progress

Latest 25 of 132.

▾Documents — 143 on file (BIS + DOB NOW)

▸Plans & Drawings17

▸DOB NOWPlans/Sketch17

08/27/2026B00905141-I1Request digital key ↗

08/25/2026B08040456-I1Request digital key ↗

08/25/2026B08040456-S6Request digital key ↗

Showing 3 of 17 on file for this type

▸Applications & Permits3

▸BISPLAN / WORK APPROVAL APPLICATION3

06/14/2024301564661Open ↗

07/03/2023340875529Open ↗

04/24/2023340875529Open ↗

▸Zoning, Tax Lot & Property Records11

▸DOB NOWZoning Exhibit form (1-5)5

08/25/2026B08040456-I1Open ↗

08/13/2026B08040456-P4Open ↗

08/13/2026B08040456-P7Open ↗

Showing 3 of 5 on file for this type

▸DOB NOWZD1: DOB Zoning Diagram5

08/25/2026B08040456-I1Open ↗

08/13/2026B08040456-P8Open ↗

08/13/2026B08040456-P4Open ↗

Showing 3 of 5 on file for this type

▸DOB NOWHouse Number Verification: TOPO Stamp1

08/25/2026B08040456-I1Open ↗

▸Seals & Professional Certifications64

▸DOB NOWProgress Inspector Seal & Signature31

09/01/2026B08040456-P8Open ↗

Showing 3 of 31 on file for this type

▸DOB NOWDPL-1: Design Professional Seal & Signature17

08/27/2026B00905141-I1Open ↗

08/25/2026B08040456-S2Open ↗

08/25/2026B08040456-I1Open ↗

Showing 3 of 17 on file for this type

▸DOB NOWSpecial Inspector Seal & Signature14

09/01/2026B08040456-P8Open ↗

09/01/2026B08040456-P3Open ↗

Showing 3 of 14 on file for this type

▸BISAPPLICANT OWNER SIGNATURE1

07/03/2023340875529Open ↗

▸BISTECHNICAL REPORT STATEMENT OF RESPONSIBILITY1

07/03/2023340875529Open ↗

▸Trade Schedules & Equipment5

▸DOB NOWDEP: Sewer Certification (Sanitary/Storm)5

08/25/2026B08040456-I1Open ↗

08/13/2026B08040456-P9Open ↗

08/13/2026B08040456-P8Open ↗

Showing 3 of 5 on file for this type

▸Safety & Tenant Protection3

▸DOB NOWParks Department Acknowledgment Letter for Street Trees Plan1

08/25/2026B08040456-I1Open ↗

▸DOB NOWStreet Trees Site Plan1

08/25/2026B08040456-I1Open ↗

▸DOB NOWStreet Tree Sign Off1

08/25/2026B08040456-I1Open ↗

▸Environmental & Asbestos15

▸DOB NOWDEP ACP-5: Asbestos Assessment Report15

08/25/2026B08040456-I1Open ↗

08/15/2026B08040456-S3Open ↗

08/15/2026B08040456-S4Open ↗

Showing 3 of 15 on file for this type

▸Inspections & Test Reports6

▸DOB NOWSOIL REPORT5

08/25/2026B08040456-I1Open ↗

08/13/2026B08040456-P8Open ↗

08/13/2026B08040456-P7Open ↗

Showing 3 of 5 on file for this type

▸DOB NOWTR4 Test Report and Plot Diagram1

08/25/2026B08040456-I1Open ↗

▸Filing & Intake Forms1

▸BISEFILING JOB APPLICATION COVER SHEET1

07/03/2023340875529Open ↗

▸Other Documents18

▸DOB NOWSite Survey: Initial5

08/25/2026B08040456-I1Open ↗

08/13/2026B08040456-P9Open ↗

08/13/2026B08040456-P4Open ↗

Showing 3 of 5 on file for this type

▸DOB NOWLocal Law 92/94 of 2019 Sustainable Roof Zone5

08/25/2026B08040456-I1Open ↗

08/13/2026B08040456-P9Open ↗

08/13/2026B08040456-P4Open ↗

Showing 3 of 5 on file for this type

▸DOB NOWProperty Ownership Certification5

08/25/2026B08040456-I1Open ↗

08/13/2026B08040456-P8Open ↗

08/13/2026B08040456-P4Open ↗

Showing 3 of 5 on file for this type

▸DOB NOWAdjoining Owners Notification2

08/15/2026B08040456-S4Open ↗

08/13/2026B08040456-S6Open ↗

▸DOB NOWFinal Survey1

08/25/2026B08040456-I1Open ↗