Locations of Work

ArchitectureStructuralGeneral

Roof1p · 1 filing · 20 docs

Bulkhead1p · 1 filing · 20 docs

Floor 51p · 1 filing · 20 docs

Floor 41p · 1 filing · 20 docs

Floor 31p · 1 filing · 20 docs

Floor 21p · 1 filing · 20 docs

Floor 11p · 1 filing · 20 docs

Cellar1p · 1 filing · 20 docs

▾Owner History (Filing Record)

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

Owner	Filings	Most Recent
NYC SCHOOL CONSTRUCTION AUTHORITY	31	09/13/2026

▾Sales History (ACRIS)

Date	Price	Unit	Seller → Buyer	$/sf
06/20/2018	$28.0M	—	4509 EIGHTH LLC → NEW YORK CITY SCHOOL CONSTRUCTION AUTHORITY	— not available
05/27/2015	$15.8M	—	86-02 NORTHERN LLC → 4509 EIGHTH LLC	— not available

▾Design Consultants (Architect / Engineer of Record)

Firm	Filings	Most Recent
DSENY ENGINEERING SERVICES, PC	4	07/20/2026
THORNTON TOMASETTI	2	10/15/2025
RKTB ARCHITECTS	1	06/29/2025
ROSA CONSULTING ENGINEERS, D.P.C.	2	05/02/2023
HOWARD I SHAPIRO & ASSOCIATES	8	08/25/2022
TOHFAZ UDDIN PE PC	1	06/15/2022

▾Filing Representatives (Expediters)

Representative	Filings	Most Recent
ESSENTIAL REMODELING	16	03/21/2026
DSENY ENGINEERING SERVICES	10	03/21/2026
A1 EXPEDITING SERVICE	2	03/21/2026
ALBERT ARONOV ARCHITECT	2	03/21/2026

▾Contractors (License-Anchored)

Firm	Trade	Roles	Most Recent
UNITED HOISTING & SCAFF C	General Contractor	14	07/08/2026
YORK SCAFFOLD EQUIPMENT CORP.	General Contractor	3	07/08/2026
CVM CONSTRUCTION CORP	General Contractor	2	08/06/2026
THE MORGANTI GROUP, INC	General Contractor	1	07/08/2026

▾Special Inspection Agencies

Agency	License #	Filings	Most Recent
TWIN PEAKS INC.	317	2	10/15/2025
FUTURE TECH CONSULTANTS O	589	6	05/02/2023

Building Lifecycle

All (67)Filed (18)Permit Issued (11)Signed Off (5)Violation (2)Objection (24)Special Inspection (7)

08/05/2026

Permit issued — Construction Fence

B01403604-I1-FN

08/05/2026

Permit issued — General Construction

B01234091-I1-GC

07/30/2026

Objection resolved — Addressed

07/27/2026

Objection raised — Other

07/20/2026

Filed — Alteration

INSTALLATION OF TEMPORARY CONSTRUCTION FENCE AT 4513 8TH AVENUE, BROOKLYN IN CONJUNCTION WITH JOB NUMBER: B01234091. AS INDICATEDON PLANS. THERE WILL BE NO CHANGE IN THE USE, EGRESS, OR OCCUPANCY UNDER THIS APPLICATION.

B01403604-I1

04/20/2026

Objection resolved — Addressed

11/14/2025

Violation issued (DOB, open)

V-DOB VIOLATION - ACTIVE

11/14/2025

Violation issued (DOB, open)

V-DOB VIOLATION - ACTIVE

10/17/2025

Objection raised — Other

10/15/2025

Filed — Alteration

Foundation for new fence

B01234091-P1

10/06/2025

Special inspection requirement — Final

MAXIM KORNGOLD

10/06/2025

Special inspection requirement — Footing and Foundation

MAXIM KORNGOLD

10/06/2025

Special inspection requirement — Concrete - Cast-In-Place

MAXIM KORNGOLD

08/04/2025

Objection resolved — Addressed

07/16/2025

Objection resolved — Addressed

07/01/2025

Objection raised — Other

07/01/2025

Objection raised — Other

06/30/2025

Filed — Alteration

Foundation for new fence

B01234091-S1

06/29/2025

Filed — Alteration

Foundation for new fence

B01234091-I1

03/19/2025

Signed off — Alteration

Construction Equipment-Side Walk Shed Installation of Heavy Duty Side Walk shed during New Building Construction filed separately. Side Walk Shed Shall comply w/ Chapter#33 of the NYC Building Code. No change in Use of Occupancy or Egress

B00641109-S1

03/19/2025

Signed off — Alteration

Construction Equipment-Side Walk Shed Installation of Heavy Duty Side Walk shed during New Building Construction filed separately. Side Walk Shed Shall comply w/ Chapter#33 of the NYC Building Code. No change in Use of Occupancy or Egress

B00641109-S4

10/16/2024

Signed off — Alteration

PS 730K LLW# 107281: INSTALLATION OF TEMPORARY SYSTEM SCAFFOLD STAIR TOWER AS PER DRAWINGS. SYSTEM SCAFFOLD STAIR TOWER SHALL COMPLY WITH CH #33 OF THE NYC BC. NO CHANGE IN USE, OCCUPANCY OR EGRESS UNDER THIS APPLICATION.

B00750488-I1

10/01/2024

Signed off — Alteration

Construction Equipment-Side Walk Shed Installation of Heavy Duty Side Walk shed during New Building Construction filed separately. Side Walk Shed Shall comply w/ Chapter#33 of the NYC Building Code. No change in Use of Occupancy or Egress

B00641109-I1

06/27/2024

Objection raised — Other

06/25/2024

Objection raised — Other

06/21/2024

Filed — Alteration

B01019588-I1

06/21/2024

Filed — Alteration

FN/PS730K - FOR TEMPORARY CONSTRUCTION EQUIPMENT(EMERGENCY FENCE) SUBMITTING ON BEHALF OF CONTRACTOR, IN CONJUNCTION WITH LLW# 107281 NO CHANGE IN USE, OCCUPANCY OR EGRESS

B01069581-I1

10/18/2023

Signed off — Alteration

Support of excavation / PS730K - For temporary support of excavation in conjunction with 302583416 and 321068045. No change in use, occupancy or egress

B08008538-I1

05/02/2023

Filed — Alteration

Support of excavation / PS730K - For temporary support of excavation in conjunction with 302583416 and 321068045. No change in use, occupancy or egress

B08008538-P1

04/17/2023

Permit issued — Support of Excavation

B08008538-I1-SE

12/07/2022

Permit issued — Sidewalk Shed

B00641109-I1-SH

12/06/2022

Permit issued — Protection and Mechanical Methods

B00641109-S4-PM

12/06/2022

Permit issued — Supported Scaffold

B00641109-S1-SF

10/27/2022

Permit issued — Protection and Mechanical Methods

B00641109-S4-PM

10/05/2022

Permit issued — Supported Scaffold

B00750488-I1-SF

10/05/2022

Objection raised — Other

10/05/2022

Objection resolved — Addressed

09/27/2022

Filed — Alteration

Support of excavation / PS730K - For temporary support of excavation in conjunction with 302583416 and 321068045. No change in use, occupancy or egress

B08008538-I1

09/16/2022

Objection resolved — Addressed

08/31/2022

Objection raised — Other

08/31/2022

Objection resolved — Addressed

08/25/2022

Filed — Alteration

Construction Equipment-Side Walk Shed Installation of Heavy Duty Side Walk shed during New Building Construction filed separately. Side Walk Shed Shall comply w/ Chapter#33 of the NYC Building Code. No change in Use of Occupancy or Egress

B00641109-S4

08/05/2022

Permit issued — Supported Scaffold

B00750488-I1-SF

08/04/2022

Special inspection requirement — Post-installed Anchors

Michael Marchese

08/02/2022

Filed — Alteration

Construction Equipment-Side Walk Shed Installation of Heavy Duty Side Walk shed during New Building Construction filed separately. Side Walk Shed Shall comply w/ Chapter#33 of the NYC Building Code. No change in Use of Occupancy or Egress

B00641109-P3

08/02/2022

Special inspection requirement — Post-installed Anchors

Michael Marchese

06/29/2022

Objection resolved — Addressed

06/23/2022

Objection raised — Other

06/15/2022

Filed — Alteration

PS 730K LLW# 107281: INSTALLATION OF TEMPORARY SYSTEM SCAFFOLD STAIR TOWER AS PER DRAWINGS. SYSTEM SCAFFOLD STAIR TOWER SHALL COMPLY WITH CH #33 OF THE NYC BC. NO CHANGE IN USE, OCCUPANCY OR EGRESS UNDER THIS APPLICATION.

B00750488-I1

06/03/2022

Objection raised — Other

05/26/2022

Objection raised — Other

05/26/2022

Objection resolved — Addressed

05/25/2022

Filed — Alteration

Construction Equipment-Side Walk Shed Installation of Heavy Duty Side Walk shed during New Building Construction filed separately. Side Walk Shed Shall comply w/ Chapter#33 of the NYC Building Code. No change in Use of Occupancy or Egress

B00641109-S3

05/23/2022

Filed — Alteration

Construction Equipment-Side Walk Shed Installation of Heavy Duty Side Walk shed during New Building Construction filed separately. Side Walk Shed Shall comply w/ Chapter#33 of the NYC Building Code. No change in Use of Occupancy or Egress

B00641109-P2

04/06/2022

Filed — Alteration

Construction Equipment-Side Walk Shed Installation of Heavy Duty Side Walk shed during New Building Construction filed separately. Side Walk Shed Shall comply w/ Chapter#33 of the NYC Building Code. No change in Use of Occupancy or Egress

B00641109-P1

03/10/2022

Permit issued — Sidewalk Shed

B00641109-I1-SH

02/23/2022

Permit issued — Supported Scaffold

B00641109-S1-SF

02/14/2022

Filed — Alteration

SOD/PS730K - FOR TEMPORARY SHORING OF DETENTION TANK SUBMITTING ON BEHALF OF CONTRACTOR, IN CONJUNCTION WITH DOB # 302583416 NO CHANGE IN USE, OCCUPANCY OR EGRESS

B00678089-I1

02/14/2022

Special inspection requirement — Subgrade Inspections

02/14/2022

Special inspection requirement — Excavations - Sheeting, Shoring, and Bracing

Michael Marchese

Latest 60 of 67 events.

Permit / Filing Register

Source	Work Type	Status	Applicant	Issued
DOB NOW	Construction Fence	Permit Issued	CVM CONSTRUCTION CORP	08/05/2026
DOB NOW	General Construction	Permit Issued	CVM CONSTRUCTION CORP	08/05/2026
DOB NOW	Support of Excavation	Signed-off	THE MORGANTI GROUP, INC	04/17/2023
DOB NOW	Sidewalk Shed	Signed-off	UNITED HOISTING & SCAFF C	12/07/2022
DOB NOW	Protection and Mechanical Methods	Signed-off	UNITED HOISTING & SCAFF C	12/06/2022
DOB NOW	Supported Scaffold	Signed-off	UNITED HOISTING & SCAFF C	12/06/2022
DOB NOW	Protection and Mechanical Methods	Signed-off	UNITED HOISTING & SCAFF C	10/27/2022
DOB NOW	Supported Scaffold	Signed-off	YORK SCAFFOLD EQUIPMENT CORP.	10/05/2022
DOB NOW	Supported Scaffold	Signed-off	YORK SCAFFOLD EQUIPMENT CORP.	08/05/2022
DOB NOW	Sidewalk Shed	Signed-off	UNITED HOISTING & SCAFF C	03/10/2022
DOB NOW	Supported Scaffold	Signed-off	UNITED HOISTING & SCAFF C	02/23/2022
BIS	SP	ISSUED	A & F FIRE PROTECTION CO	03/06/2026
BIS	PL	ISSUED	WDF INC	08/22/2025
BIS	PL	ISSUED	FORSYTHE P&H CORP	01/22/2025
BIS	SD	ISSUED	A & F FIRE PROTECTION CO	09/30/2024
BIS	—	ISSUED	THE MORGANTI GROUP, INC	04/02/2024
BIS	PL	ISSUED	FORSYTHE P&H CORP	01/30/2024
BIS	PL	ISSUED	FORSYTHE P&H CORP	01/30/2024
BIS	—	ISSUED	THE MORGANTI GROUP, INC	11/08/2023
BIS	PL	ISSUED	CIVETTA MECHANICAL, LLC	07/14/2023
BIS	EQ	ISSUED	THE MORGANTI GROUP, INC	03/31/2023
BIS	—	ISSUED	THE MORGANTI GROUP, INC	03/30/2023
BIS	SD	ISSUED	A & F FIRE PROTECTION CO	03/15/2023
BIS	—	ISSUED	THE MORGANTI GROUP, INC	02/10/2023
BIS	PL	ISSUED	FORSYTHE P&H CORP	02/08/2023
BIS	PL	ISSUED	FORSYTHE P&H CORP	12/22/2022
BIS	—	ISSUED	THE MORGANTI GROUP, INC	11/21/2022
BIS	PL	ISSUED	CIVETTA MECHANICAL, LLC	07/13/2022
BIS	—	ISSUED	THE MORGANTI GROUP, INC	03/30/2022
BIS	SD	ISSUED	A & F FIRE PROTECTION CO	03/24/2022
BIS	—	ISSUED	THE MORGANTI GROUP, INC	03/17/2022
BIS	PL	ISSUED	FORSYTHE P&H CORP	03/17/2022
BIS	EQ	ISSUED	THE MORGANTI GROUP, INC	03/15/2022
BIS	OT	RE-ISSUED	THE MORGANTI GROUP, INC	01/14/2022
BIS	—	RE-ISSUED	THE MORGANTI GROUP, INC	01/14/2022
BIS	—	ISSUED	THE MORGANTI GROUP, INC	09/28/2021
BIS	PL	ISSUED	FORSYTHE P&H CORP	09/28/2021
BIS	OT	ISSUED	THE MORGANTI GROUP, INC	07/23/2021
BIS	EQ	ISSUED	THE MORGANTI GROUP, INC	02/03/2021
BIS	OT	ISSUED	THE MORGANTI GROUP, INC	12/28/2020

+ 3 more permits on file

4 projects · most recent 07/10/2024

General Wiring Lighting

Filed	Status	Contractor	Scope
07/10/2024	Permit Issued	STANCO SYSTEM ELEC'L CONT	—
03/20/2022	Permit Issued	ARK SYSTEMS ELEC. CORP	General Wiring, Lighting
02/18/2022	Complete	LCJ ELEC'L CONTR'S INC	—
01/22/2020	Permit Issued	ARK SYSTEMS ELEC. CORP	1 meters, 1 new_meters

2 projects · most recent 10/15/2025

Filed	Status	Contractor	Scope
10/15/2025	Permit Issued	CVM CONSTRUCTION CORP	2 scope_items
02/14/2022	—	—	1 scope_items

3 projects · most recent 07/20/2026

Fence Scaffold Sidewalk Shed

Filed	Status	Contractor	Scope
07/20/2026	Permit Issued	CVM CONSTRUCTION CORP	Fence
06/21/2024	—	—	Fence
08/25/2022	Signed-off	UNITED HOISTING & SCAFF C	Scaffold, Sidewalk Shed

▾Special Inspection Requirements (DOB NOW) — 7

Date	Requirement	Inspector	Role
10/06/2025	Final	MAXIM KORNGOLD	progress
10/06/2025	Footing and Foundation	MAXIM KORNGOLD	progress
10/06/2025	Concrete - Cast-In-Place	MAXIM KORNGOLD	special
08/04/2022	Post-installed Anchors	Michael Marchese	special
08/02/2022	Post-installed Anchors	Michael Marchese	special
02/14/2022	Subgrade Inspections	—	special
02/14/2022	Excavations - Sheeting, Shoring, and Bracing	Michael Marchese	special

▾Documents — 98 on file (BIS + DOB NOW)

▸Plans & Drawings18

▸DOB NOWPlans/Sketch18

08/31/2026B00641109-I1Request digital key ↗

08/31/2026B00641109-P3Request digital key ↗

08/31/2026B00641109-P1Request digital key ↗

Showing 3 of 18 on file for this type

▸Applications & Permits1

▸BISCERTIFICATE OF OCCUPANCY: APPLICATION1

08/25/2023302583416Open ↗

▸Seals & Professional Certifications23

▸DOB NOWDPL-1: Design Professional Seal & Signature18

08/31/2026B00641109-S4Open ↗

08/31/2026B00641109-P3Open ↗

08/31/2026B00641109-I1Open ↗

Showing 3 of 18 on file for this type

▸DOB NOWSpecial Inspector Seal & Signature3

08/26/2026B00641109-P3Open ↗

08/25/2026B00641109-S1Open ↗

08/23/2026B01234091-P1Open ↗

▸DOB NOWProgress Inspector Seal & Signature2

08/23/2026B01234091-P1Open ↗

▸Trade Schedules & Equipment1

▸BISFA - FDNY APPROVAL : FD-FAA1

12/03/2024302584077Open ↗

▸Safety & Tenant Protection9

▸DOB NOWNYCSCA - Approved Site Safety Plans9

08/31/2026B00641109-P3Open ↗

08/31/2026B00641109-I1Open ↗

08/31/2026B00641109-P1Open ↗

Showing 3 of 9 on file for this type

▸Approvals, Objections & Sign-offs23

▸DOB NOWFee Exempt Supporting Document - DOF ACRIS report or BIB letter18

08/31/2026B00641109-P1Open ↗

08/31/2026B00641109-P3Open ↗

08/31/2026B00641109-I1Open ↗

Showing 3 of 18 on file for this type

▸DOB NOWDesign Commission Approval City Owned (Exterior Work)4

08/15/2026B01403604-I1Open ↗

08/13/2026B01234091-P1Open ↗

08/13/2026B01234091-S1Open ↗

Showing 3 of 4 on file for this type

▸DOB NOWDesign Commission Sign Off City Owned (Exterior Work)1

08/15/2026B01403604-I1Open ↗

▸Filing & Intake Forms1

▸DOB NOWAI1 Form1

08/15/2026B01403604-I1Open ↗

▸Other Documents22

▸DOB NOWNYCSCA - BCC Plan Examination Transmittal18

08/31/2026B00641109-P3Open ↗

08/31/2026B00641109-I1Open ↗

08/31/2026B00641109-P1Open ↗

Showing 3 of 18 on file for this type

▸DOB NOWNYCSCA Exhibit 22

08/15/2026B00750488-I1Open ↗

08/13/2026B08008538-I1Open ↗

▸BISTCO - Supporting Documents1

03/31/2025302583416Open ↗

▸DOB NOWAdjoining Owners Notification1

08/13/2026B08008538-I1Open ↗