Locations of Work

ElectricalMechanicalEquipmentGeneral

Names shown beside floors are taken automatically from the text of filed documents and may be incomplete or wrong.

Floor 1Lenox Hill Hospital5p · 1 filing · 2 docs

Site & exteriorLenox Hill Hospital11p · 2 filings · 7 docs

▾Owner History (Filing Record)

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

Owner	Filings	Most Recent
3rd Avenue Blockfront	3	03/21/2026

▾Sales History (ACRIS)

Date	Price	Unit	Seller → Buyer	$/sf
03/30/2023	$247.6M	—	3RD AVENUE BLOCKFRONT LLC → Lenox Hill Hospital	$1,033/sf building

▾Design Consultants (Architect / Engineer of Record)

Firm	Filings	Most Recent
KZ Engineering	4	03/11/2020

▾Filing Representatives (Expediters)

Representative	Filings	Most Recent
Synergy Building Consultants	4	03/21/2026

▾Contractors (License-Anchored)

Firm	Trade	Roles	Most Recent
Arsenal Scaffold	Scaffold	11	07/08/2026
E-J Electric Installation Co	Electrical	1	03/21/2026
Mann, Jr., J. Robert	Electrical	1	03/21/2026
Nash Electric Services	Electrical	1	03/22/2026

Building Lifecycle

All (15)Filed (4)Permit Issued (7)Signed Off (3)Special Inspection (1)

11/16/2023

Signed off — Alteration

Installation of temporary fence on the roadway per plan submitted. Work shall comply with 2014 building codes chapter 33. No change in use, egress and/or occupancy with this application.

M00129013-I1

03/13/2023

Permit issued — Construction Fence

M00129013-I1-FN

03/17/2022

Permit issued — Construction Fence

M00129013-I1-FN

03/19/2021

Permit issued — Construction Fence

M00129013-I1-FN

03/24/2020

Permit issued — Construction Fence

M00129013-I1-FN

03/11/2020

Filed — Alteration

Installation of temporary fence on the roadway per plan submitted. Work shall comply with 2014 building codes chapter 33. No change in use, egress and/or occupancy with this application.

M00129013-P1

03/03/2020

Signed off — Alteration

M00129048-I1

03/03/2020

Signed off — Alteration

Installation of temporary sidewalk shed (shed legs are on the roadway) per plan submitted. Work shall comply with 2014 building codes chapter 33. No change in use, egress and/or occupancy with this application.

M00128984-I1

04/11/2019

Filed — Alteration

Installation of temporary fence on the roadway per plan submitted. Work shall comply with 2014 building codes chapter 33. No change in use, egress and/or occupancy with this application.

M00129013-I1

04/11/2019

Permit issued — Sidewalk Shed

M00128984-I1-SH

04/11/2019

Permit issued — Construction Fence

M00129013-I1-FN

04/10/2019

Filed — Alteration

Installation of temporary sidewalk shed (shed legs are on the roadway) per plan submitted. Work shall comply with 2014 building codes chapter 33. No change in use, egress and/or occupancy with this application.

M00128984-I1

04/08/2019

Filed — Alteration

M00129048-I1

04/08/2019

Permit issued — Supported Scaffold

M00129048-I1-SF

02/08/2019

Special inspection requirement — Final

Karol Zdancewicz

Permit / Filing Register

Source	Work Type	Status	Applicant	Issued
DOB NOW	Construction Fence	Signed-off	Arsenal Scaffold	03/13/2023
DOB NOW	Construction Fence	Signed-off	Arsenal Scaffold	03/17/2022
DOB NOW	Construction Fence	Signed-off	Arsenal Scaffold	03/19/2021
DOB NOW	Construction Fence	Signed-off	Arsenal Scaffold	03/24/2020
DOB NOW	Sidewalk Shed	Signed-off	Arsenal Scaffold	04/11/2019
DOB NOW	Construction Fence	Signed-off	Arsenal Scaffold	04/11/2019
DOB NOW	Supported Scaffold	Signed-off	Arsenal Scaffold	04/08/2019
BIS	EQ	ISSUED	Par Environmental	10/01/2019
BIS	—	ISSUED	Par Environmental	10/01/2019
BIS	EQ	ISSUED	Par Environmental	05/21/2019
BIS	OT	ISSUED	Par Environmental	05/21/2019
BIS	EQ	ISSUED	526_ 3rd Avenue Realty	01/25/1999
BIS	OT	ISSUED	526_ 3rd Avenue Realty	01/25/1999

3 projects · most recent 04/27/2020

Filed	Status	Contractor	Scope
04/27/2020	Cancelled	E-J Electric Installation Co	—
04/08/2019	Cancelled	E-J Electric Installation Co	1 meters, 1 new_meters
04/03/2019	Complete	Nash Electric Services	—

▾Special Inspection Requirements (DOB NOW) — 1

Date	Requirement	Inspector	Role
02/08/2019	Final	Karol Zdancewicz	progress

▾Tenants in the building

Tenant	Space	Floors	Renovation projects
Lenox Hill Hospital	Medical / Healthcare	Floor 1	Project M00129013 Alteration · LOC Issued · 04/11/2019 Project M00128984 Alteration · LOC Issued · 04/10/2019 Project M00129048 Alteration · LOC Issued · 04/08/2019

Names are taken automatically from the text of each project’s filed documents (title blocks and cover sheets) and screened to exclude owners, landlords and designers. They may be incomplete or wrong; check the filing.

▾Documents — 71 on file (BIS + DOB NOW)

▸Plans & Drawings4

▸DOB NOWPlans/Sketch - Construction Fence2

09/05/2026M00129013-I1Request digital key ↗

08/15/2026M00129013-P1Request digital key ↗

▸DOB NOWPlans/Sketch - Supported Scaffold1

09/05/2026M00129048-I1Request digital key ↗

▸DOB NOWPlans/Sketch - Sidewalk Shed1

09/05/2026M00128984-I1Request digital key ↗

▸Applications & Permits8

▸BISWORK PERMIT APPLICATION5

10/28/2019123311424Open ↗

10/02/2019123311424Open ↗

Showing 3 of 5 on file for this type

▸BISPLAN / WORK APPROVAL APPLICATION3

04/15/2019140842863Open ↗

02/28/2019123311424Open ↗

06/30/2017123311424Open ↗

▸Zoning, Tax Lot & Property Records1

▸BISTAX LOT: FINAL LOT NUMBER ISSUED1

10/02/2019123311424Open ↗

▸Seals & Professional Certifications13

▸BISTECHNICAL REPORT: RESPONSIBILITY/CERTIFICATION4

02/05/2020140842863Open ↗

10/02/2019123311424Open ↗

Showing 3 of 4 on file for this type

▸DOB NOWDPL-1: Design Professional Seal & Signature4

09/05/2026M00128984-I1Open ↗

08/13/2026M00129048-I1Open ↗

08/13/2026M00129013-P1Open ↗

Showing 3 of 4 on file for this type

▸BISPROFESSIONAL CERTIFICATION STATEMENT2

10/02/2019123311424Open ↗

04/15/2019140842863Open ↗

▸BISREQUIRED ITEMS CHECKLIST FOR PROFESSIONAL CERTIFICATION1

04/15/2019140842863Open ↗

▸BISTECHNICAL REPORT STATEMENT OF RESPONSIBILITY1

04/15/2019140842863Open ↗

▸DOB NOWProgress Inspector Seal & Signature1

09/01/2026M00128984-I1Open ↗

▸Trade Schedules & Equipment3

▸BISSEWER CONNECTION: DEP SD1 & SD22

10/02/2019123311424Open ↗

▸BISSEWER CUT-OFF1

10/02/2019123311424Open ↗

▸Safety & Tenant Protection2

▸BISDEMOLITION SUBMITTAL CERTIFICATION FORM1

10/02/2019123311424Open ↗

▸BISHPD: SRO MD CERTIFICATE OF NO HARASSMENT1

10/02/2019123311424Open ↗

▸Environmental & Asbestos6

▸BISASBESTOS: CERTIFICATION (DEP ACP5)4

02/05/2020140842863Open ↗

Showing 3 of 4 on file for this type

▸BISDEP FORM V5 - ASBESTOS VARIANCE1

05/07/2019140842863Open ↗

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

04/15/2019140842863Open ↗

▸Energy Compliance4

▸BISTECHNICAL REPORT: ENERGY CODE PROGRESS INSPS2

02/05/2020140842863Open ↗

▸BISAS-BUILT ENERGY ANALYSIS1

02/05/2020140842863Open ↗

▸BISNYCECC ANALYSIS1

04/15/2019140842863Open ↗

▸Approvals, Objections & Sign-offs16

▸BISLETTERS - SUPPORTING DOCUMENTATION14

01/14/2020123311424Open ↗

10/28/2019123311424Open ↗

Showing 3 of 14 on file for this type

▸BISCERTIFICATE OF OCCUPANCY/LOC: REQUEST1

02/05/2020140842863Open ↗

▸BISLANDMARKS APPROVAL1

10/02/2019123311424Open ↗

▸Cost, Insurance & Ownership7

▸BISPROJECT-SPECIFIC GL INSURANCE3

10/28/2019123311424Open ↗

10/02/2019123311424Open ↗

▸BISCOST AFFIDAVIT2

02/05/2020140842863Open ↗

04/15/2019140842863Open ↗

▸BISAcord 25 (Acord Certificate of Liability Insurance)1

10/28/2019123311424Open ↗

▸BISPROJECT SPECIFIC GENERAL LIABILITY INSURANCE1

10/02/2019123311424Open ↗

▸Filing & Intake Forms4

▸BISEFILING JOB APPLICATION COVER SHEET1

04/15/2019140842863Open ↗

▸BISEFILING COVER SHEET1

06/30/2017123311424Open ↗

▸BISADDITIONAL INFORMATION1

10/28/2019123311424Open ↗

▸BISBOROUGH INTAKE FORM1

02/05/2020140842863Open ↗

▸Other Documents3

▸BISCOMMUNITY BOARD NOTIFICATION2

10/28/2019123311424Open ↗

10/02/2019123311424Open ↗

▸BISEXTERNAL FORMS - SUPPORTING DOCUMENTATION1

02/28/2019123311424Open ↗