Locations of Work

StructuralMechanicalPlumbingEquipmentGeneral

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

Floor 1Lenox Hill Hospital4p · 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	5	03/21/2026
Foreal	1	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	10	07/08/2026
Nash Electric Services	Electrical	1	03/21/2026

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.

M00129018-I1

03/13/2023

Permit issued — Construction Fence

M00129018-I1-FN

03/17/2022

Permit issued — Construction Fence

M00129018-I1-FN

03/19/2021

Permit issued — Construction Fence

M00129018-I1-FN

03/25/2020

Permit issued — Construction Fence

M00129018-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.

M00129018-P1

03/04/2020

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.

M00128995-I1

03/04/2020

Signed off — Alteration

M00129052-I1

04/11/2019

Permit issued — Sidewalk Shed

M00128995-I1-SH

04/11/2019

Permit issued — Construction Fence

M00129018-I1-FN

04/10/2019

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.

M00129018-I1

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.

M00128995-I1

04/08/2019

Filed — Alteration

M00129052-I1

04/08/2019

Permit issued — Supported Scaffold

M00129052-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	03/25/2020
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	10/02/2019
BIS	—	ISSUED	Par Environmental	10/02/2019
BIS	OT	ISSUED	Par Environmental	03/27/2019
BIS	EQ	ISSUED	Par Environmental	03/27/2019
BIS	EQ	ISSUED	RSM Maintenance	08/13/2013
BIS	OT	ISSUED	RSM Maintenance	08/13/2013
BIS	MH	ISSUED	RSM Maintenance	08/13/2013
BIS	OT	ISSUED	Cad Signs NYC	08/08/2013

1 project · most recent 04/03/2019

Filed	Status	Contractor	Scope
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 M00128995 Alteration · LOC Issued · 04/10/2019 Project M00129018 Alteration · LOC Issued · 04/10/2019 Project M00129052 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 — 99 on file (BIS + DOB NOW)

▸Plans & Drawings4

▸DOB NOWPlans/Sketch - Construction Fence2

09/05/2026M00129018-I1Request digital key ↗

08/15/2026M00129018-P1Request digital key ↗

▸DOB NOWPlans/Sketch - Supported Scaffold1

09/05/2026M00129052-I1Request digital key ↗

▸DOB NOWPlans/Sketch - Sidewalk Shed1

09/05/2026M00128995-I1Request digital key ↗

▸Applications & Permits15

▸BISWORK PERMIT APPLICATION8

10/29/2019123311371Open ↗

10/02/2019123311371Open ↗

Showing 3 of 8 on file for this type

▸BISPLAN / WORK APPROVAL APPLICATION7

11/26/2021103186696Open ↗

08/10/2021121618678Open ↗

03/19/2019140836166Open ↗

Showing 3 of 7 on file for this type

▸Seals & Professional Certifications25

▸BISTECHNICAL REPORT: RESPONSIBILITY/CERTIFICATION12

02/12/2020123311371Open ↗

02/06/2020140836166Open ↗

Showing 3 of 12 on file for this type

▸DOB NOWDPL-1: Design Professional Seal & Signature4

09/05/2026M00129052-I1Open ↗

09/05/2026M00129018-P1Open ↗

09/05/2026M00129018-I1Open ↗

Showing 3 of 4 on file for this type

▸BISPROFESSIONAL CERTIFICATION STATEMENT FORM3

08/13/2013121618678Open ↗

08/13/2013121741213Open ↗

▸BISPROFESSIONAL CERTIFIED CHECKLIST2

08/13/2013121618678Open ↗

08/12/2013121741213Open ↗

▸BISTECHNICAL REPORT STATEMENT OF RESPONSIBILITY1

03/19/2019140836166Open ↗

▸BISREQUIRED ITEMS CHECKLIST FOR PROFESSIONAL CERTIFICATION1

03/19/2019140836166Open ↗

▸BISPROFESSIONAL CERTIFICATION STATEMENT1

03/19/2019140836166Open ↗

▸DOB NOWProgress Inspector Seal & Signature1

09/22/2026M00128995-I1Open ↗

▸Trade Schedules & Equipment2

▸BISELECTRIC CUT-OFF1

10/02/2019123311371Open ↗

▸BISDEP STORMWATER/SEWER CERTIFICATION (HCP/SCP)1

10/02/2019123311371Open ↗

▸Safety & Tenant Protection3

▸BISSRO MD ANTI-HARASSMENT CHECKLIST1

10/02/2019123311371Open ↗

▸BISEXCAVATION OR DEMOLITION: 5-DAY NOTICE1

10/02/2019123311371Open ↗

▸BISDEMOLITION SUBMITTAL CERTIFICATION FORM1

10/02/2019123311371Open ↗

▸Environmental & Asbestos8

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

02/06/2020140836166Open ↗

Showing 3 of 5 on file for this type

▸BISASBESTOS: CERTIFICATION (DEP ACP5)2

10/02/2019123311371Open ↗

08/13/2013121741213Open ↗

▸BISRODENT CONTROL1

10/02/2019123311371Open ↗

▸Energy Compliance9

▸BISTECHNICAL REPORT: ENERGY CODE PROGRESS INSPS4

02/06/2020140836166Open ↗

08/13/2013121618678Open ↗

Showing 3 of 4 on file for this type

▸BISTR8: Energy Code Progress Inspections2

10/04/2013121741213Open ↗

▸BISAS-BUILT ENERGY ANALYSIS2

02/06/2020140836166Open ↗

10/04/2013121741213Open ↗

▸BISNYCECC ANALYSIS1

03/19/2019140836166Open ↗

▸Approvals, Objections & Sign-offs10

▸BISLETTERS - SUPPORTING DOCUMENTATION6

10/29/2019123311371Open ↗

Showing 3 of 6 on file for this type

▸BISCERTIFICATE OF OCCUPANCY - LOC: REQUEST2

10/04/2013121741213Open ↗

02/06/2020140836166Open ↗

▸BISADMINISTRATIVE OBJECTIONS1

08/13/2013121618678Open ↗

▸BISHOUSE CONNECTION SIGNOFF1

10/02/2019123311371Open ↗

▸Cost, Insurance & Ownership13

▸BISCOST AFFIDAVIT6

02/06/2020140836166Open ↗

03/19/2019140836166Open ↗

10/04/2013121741213Open ↗

Showing 3 of 6 on file for this type

▸BISPROJECT-SPECIFIC GL INSURANCE4

10/29/2019123311371Open ↗

Showing 3 of 4 on file for this type

▸BISDEPT OF FINANCE VERIFICATION3

10/29/2019123311371Open ↗

10/02/2019123311371Open ↗

02/28/2019123311371Open ↗

▸Filing & Intake Forms6

▸BISEFILING COVER SHEET3

06/29/2017123311371Open ↗

08/13/2013121618678Open ↗

08/13/2013121741213Open ↗

▸BISEFILING JOB APPLICATION COVER SHEET1

03/19/2019140836166Open ↗

▸BISADDITIONAL INFORMATION1

10/29/2019123311371Open ↗

▸BISBOROUGH INTAKE FORM1

02/06/2020140836166Open ↗

▸Other Documents4

▸BISCOMMUNITY BOARD NOTIFICATION2

10/29/2019123311371Open ↗

10/02/2019123311371Open ↗

▸BISEXTERNAL FORMS - SUPPORTING DOCUMENTATION2

01/14/2020123311371Open ↗

10/02/2019123311371Open ↗