Office, 20+ stories, with or without commercial

51 WEST 52ND STREET

MANHATTAN · BIN 1081406

💬 Discuss this project

1964Year Built

38Stories

O4Building Class

C5-3Zoning

817,095 sfGross Floor Area

1Units

LL97 Covered0 Active ViolationsFISP: SAFEFDNY Report ↗

Office, 20+ stories, with or without commercial · Owner of record: 51 W. Owner · 47,725 sf lot · 17.12 FAR built · Flood zone X

Locations of Work

ArchitectureStructuralElectricalMechanicalPlumbingFire ProtectionEquipmentCivilGeneral

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

Permit Issued — active, not yet Signed-off

Roof3p · 1 filing · 4 docs

Floor 36CPPIB, Harbor Group98p · 12 filings · 20 docs

Floor 35Harbor Group, CPPIB108p · 9 filings · 20 docs

Floor 34

Floor 33

Floor 32

Floor 3131st floor HVAC system modifications1p · 1 filing · 9 docs

Floor 30

Floor 29Wachtell, Lipton, Rosen & Katz23p · 4 filings · 20 docs

Floor 28

Floor 27Wachtell, Lipton, Rosen & Katz7p · 1 filing · 5 docs

Floor 26

Floor 25

Floor 24Orrick149p · 8 filings · 20 docs

Floor 23Orrick83p · 9 filings · 20 docs

Floor 22Orrick157p · 7 filings · 20 docs

Floor 21Orrick144p · 5 filings · 20 docs

Floor 20Orrick148p · 8 filings · 20 docs

Floor 19Harbor Group33p · 4 filings · 17 docs

Floor 18Brightstar Capital PartnersUnder Construction62p · 9 filings · 20 docs

Floor 17Brightstar Capital Partners, BlackRock +1Under Construction89p · 16 filings · 20 docs

Floor 16Orrick45p · 4 filings · 20 docs

Floor 15KBRA - BlackRock1 filing · 18 docs

Floor 14KBRA - BlackRockUnder Construction14p · 1 filing · 20 docs

Floor 13KBRA - BlackRockUnder Construction14p · 1 filing · 20 docs

Floor 12Vale Insurance Partners36p · 4 filings · 20 docs

Floor 11

Floor 10Dorsey & WhitneyUnder Construction4p · 1 filing · 6 docs

Floor 9Dorsey & WhitneyUnder Construction3p · 1 filing · 6 docs

Floor 8Computershare, Dorsey & WhitneyUnder Construction58p · 2 filings · 20 docs

Floor 7Maiden Holdings30p · 11 filings · 20 docs

Floor 6Harbor Group45p · 9 filings · 20 docs

Floor 5KBRAUnder Construction13p · 3 filings · 20 docs

Floor 4KBRA, Harbor GroupUnder Construction66p · 7 filings · 20 docs

Floor 3KBRA, BlackRockUnder Construction53p · 3 filings · 20 docs

Floor 2KBRA, KBRA - BlackRockUnder Construction57p · 3 filings · 20 docs

Floor 1BlackRock25p · 3 filings · 20 docs

MezzanineHarbor Group Management Company21p · 1 filing · 12 docs

CellarBlackRock, Orrick89p · 7 filings · 20 docs

BasementBlackRock, Charles Schwab27p · 5 filings · 20 docs

Sub-BasementBlackRock, Charles Schwab12p · 5 filings · 20 docs

Site & exteriorHarbor Group Management Company13p · 3 filings · 16 docs

▾Owner History (Filing Record)

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

Owner	Filings	Most Recent
CBS	407	03/21/2026
CBS Broadcasting	184	03/21/2026
Viamcomcbs	2	03/21/2026
51 W. Owner	1	03/22/2026
CKC Associates LLP C/O FS Restoration	1	03/21/2026

▾Sales History (ACRIS)

Date	Price	Unit	Seller → Buyer	$/sf
10/13/2021	$760.0M	—	F/K/A COLUMBIA BROADCASTING SYSTEM, INC. → 51 W. OWNER, LP	$930/sf building

▾Design Consultants (Architect / Engineer of Record)

Firm	Filings	Most Recent
FMC Engineering	62	10/20/2026
Vocon	21	10/14/2026
Robert Derector Associates	10	10/06/2026
AMA Consulting Engineers	33	09/21/2026
Shmerykowsky Consulting Engineers	4	07/01/2026
Design Republic	2	03/03/2026
Elizabeth Marr	7	01/06/2026
Three Studio Architecture	2	03/04/2025
MG Engineering	4	05/30/2024
Kahn Architecture & Design	6	04/30/2024
AKF Engineers	6	04/19/2024
Gensler	2	03/01/2024
Moed de Armas & Shannon	3	11/22/2023
John P. Fox, Architect	1	10/31/2023
Ashraf	3	05/25/2023
Severud Associates Consulting Engineering	1	04/25/2023
Fogarty Finger Architecture	1	12/08/2022
Roger de Electric Co	1	10/14/2022
Schnackel Engineers	2	04/30/2021

▾Filing Representatives (Expediters)

Representative	Filings	Most Recent
Codegreen	110	03/21/2026
Burnham Nationwide	30	03/21/2026
Metropolis Group	8	03/21/2026
Outsource Consultants	4	03/21/2026
Platinum Services NY	6	03/21/2026

▾Contractors (License-Anchored)

Firm	Trade	Roles	Most Recent
DK Construction One	General Contractor	43	10/06/2026
Dependable Mechanical	Fire Protection	25	10/14/2026
DNP Builders	General Contractor	22	07/08/2026
JRM Construction Management	General Contractor	19	07/08/2026
James E Fitzgerald	General Contractor	14	07/08/2026
A&H Express Plumbing & Heating	Plumbing	13	07/16/2026
JT Magen & Company	General Contractor	11	07/08/2026
Cma Plumbing & Heating	Fire Protection	8	07/08/2026
P.S.I. Mechanical	Plumbing	6	07/08/2026
Abco-Peerless Sprinkler	Fire Protection	5	07/08/2026
Mac Felder	Plumbing	3	07/08/2026
Par Fire Protection	Fire Protection	3	07/08/2026
Tuxedo Electrical Contracting	Electrical	3	03/21/2026
Structure Tone	General Contractor	3	07/08/2026
Abco-Peerless Sprinkler	Plumbing	3	03/22/2026
Par Plumbing Co	Plumbing	3	07/08/2026
Sirina Fire Protection	Fire Protection	2	07/08/2026
Aggressive Fire Protection	Fire Protection	2	07/08/2026
Titan Electrical & Elev Contracting	Electrical	2	03/22/2026
A.W. & S. Construction Co	General Contractor	2	07/08/2026
Knight Electrical Service	Electrical	2	03/21/2026
Soh Par Sprinkler	Fire Protection	1	07/08/2026
Titan Electrical & Elev Contracting	Electrical	1	03/21/2026
Konsker Electric	Electrical	1	03/22/2026
R.C.M. Electric	Electrical	1	03/21/2026
Royal Concrete and Mason*	specialty_contractor	1	07/08/2026
Platinum Services NY	Scaffold	1	07/08/2026
Ashland Plumbing	Plumbing	1	07/08/2026
Crossfield Plumbing & Heating	Fire Protection	1	07/08/2026
Lab Plumbing & Heating Co	Plumbing	1	07/08/2026
M & S Buildings Services	Fire Protection	1	07/08/2026
M & S Mechanical Services	Plumbing	1	07/08/2026

▾Special Inspection Agencies

Agency	License #	Filings	Most Recent
AK Engineering	678	130	10/20/2026
Codegreen	510	6	10/06/2026
MG Engineering	8546	5	05/30/2024
Outsource Special Inspection	2827	2	04/30/2021

Building Lifecycle

All (300)Filed (72)Permit Issued (80)Signed Off (17)Violation (11)Inspection (58)Objection (32)Special Inspection (30)

10/20/2026

Filed — Alteration

Modifications to the existing Sprinkler System on the 5th floor as per plans submitted herewith. No Change to Use, Occupancy, or Egress.

M01348320-P4

10/20/2026

Filed — Alteration

Modifications to the existing Sprinkler System on the 5th floor as per plans submitted herewith. No Change to Use, Occupancy, or Egress.

M01348320-P2

10/14/2026

Filed — Alteration

Modifications to the existing Sprinkler System on the 5th floor as per plans submitted herewith. No Change to Use, Occupancy, or Egress.

M01348320-P1

10/14/2026

Signed off — Alteration

M00784650-I1

10/13/2026

Signed off — Alteration

Modifications to the existing sprinkler system (Lobby Renovation) as per plans. No change to use, egress or occupancy.

M00784669-I1

10/13/2026

Signed off — Alteration

Modifications to the existing sprinkler system (Amenity Space) as per plans. No change to use, egress or occupancy.

M00784789-I1

10/13/2026

Signed off — Alteration

Modifications to the existing plumbing system (Amenity Space) as per plans. No change to use, egress or occupancy.

M00784781-I1

10/13/2026

Permit issued — Sprinklers

M01361450-S3-EW-SP

10/13/2026

Permit issued — Sprinklers

M01384938-S3-EW-SP

10/13/2026

Permit issued — Sprinklers

M01401726-S3-EW-SP

10/07/2026

Signed off — Alteration

M00789058-I1

10/06/2026

Signed off — Alteration

M00784661-I1

10/06/2026

Filed — Alteration

Modification the existing sprinkler system on the 17 floor as per plans. No change to use, egress or occupancy

M01356660-P1

10/06/2026

Special inspection requirement — Sprinkler Systems

HATIM ELSAID

10/06/2026

Special inspection requirement — Post-installed Anchors

HATIM ELSAID

10/06/2026

Special inspection requirement — Fire-Resistant Penetrations and Joints

HATIM ELSAID

10/05/2026

Permit issued — Mechanical Systems

M01271208-S1-MS

10/05/2026

Permit issued — General Construction

M01271208-I1-GC

10/02/2026

Signed off — Alteration

Modifications to the existing sprinkler system on the 16th Floor- (Orrick) as per plans. No change to use, egress or occupancy.

M01317089-I1

10/02/2026

Signed off — Alteration

Mechanical: Modifications to the existing HVAC system on the 16th Floors- (Orrick) as per plans. No change to use, egress or occupancy.

M01317080-I1

09/29/2026

Permit issued — Mechanical Systems

M01384938-S1-MS

09/28/2026

Special inspection requirement — Mechanical Systems

Ari Kamo

09/28/2026

Special inspection requirement — Final

Ari Kamo

09/25/2026

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

Certified

View inspection ↗

09/24/2026

Filed — Alteration

Interior alterations to the 4th floor office space to include general construction work as per plans submitted herewith. No Change to Use, Occupancy Group, or Egress

M01343514-P2

09/24/2026

Filed — Alteration

Interior alterations to the 4th floor office space to include general construction work as per plans submitted herewith. No Change to Use, Occupancy Group, or Egress

M01343514-P3

09/24/2026

Filed — Alteration

Interior alterations to the 4th floor office space to include general construction work as per plans submitted herewith. No Change to Use, Occupancy Group, or Egress

M01343514-P4

09/24/2026

Special inspection requirement — Lighting controls

Ari Kamo

09/24/2026

Special inspection requirement — Sprinkler Systems

Ari Kamo

09/24/2026

Special inspection requirement — Interior lighting power

Ari Kamo

09/24/2026

Special inspection requirement — Final

Ari Kamo

09/24/2026

Special inspection requirement — HVAC-R and service water piping design and insulation

Ari Kamo

09/24/2026

Special inspection requirement — Fire-Resistant Penetrations and Joints

Ari Kamo

09/24/2026

Special inspection requirement — HVAC-R and service water heating equipment

Ari Kamo

09/24/2026

Special inspection requirement — Final

Ari Kamo

09/24/2026

Special inspection requirement — Mechanical Systems

Ari Kamo

09/24/2026

Special inspection requirement — HVAC-R and service water heating system controls

Ari Kamo

09/24/2026

Special inspection requirement — Maintenance information

Ari Kamo

09/21/2026

Filed — Alteration

Mechanical: Modifications to the existing HVAC system on the 16th Floors- (Orrick) as per plans. No change to use, egress or occupancy.

M01317080-P1

09/21/2026

Special inspection requirement — Mechanical Systems

Ari Kamo

09/21/2026

Special inspection requirement — Fire-Resistant Penetrations and Joints

Ari Kamo

09/21/2026

Special inspection requirement — Final

Ari Kamo

09/21/2026

Special inspection requirement — Sprinkler Systems

Ari Kamo

09/17/2026

Special inspection requirement — Sprinkler Systems

James Sullivan Jr

09/17/2026

Special inspection requirement — Fire-Resistant Penetrations and Joints

James Sullivan Jr

09/17/2026

Special inspection requirement — Post-installed Anchors

James Sullivan Jr

09/08/2026

Filed — Alteration

Interior alterations to the 4th floor office space to include general construction work as per plans submitted herewith. No Change to Use, Occupancy Group, or Egress

M01343514-P1

08/26/2026

Special inspection requirement — Fire-Resistant Penetrations and Joints

Ari Kamo

08/26/2026

Special inspection requirement — Final

Ari Kamo

08/14/2026

Inspection — Pass-Final PL - Underground

Pass

View inspection ↗

08/13/2026

Special inspection requirement — Energy Code Compliance Inspections

Ari Kamo

08/13/2026

Special inspection requirement — Final

Ari Kamo

08/13/2026

Special inspection requirement — HVAC-R and service water heating system controls

Ari Kamo

08/13/2026

Special inspection requirement — Duct leakage testing, insulation and design

Ari Kamo

08/13/2026

Special inspection requirement — Mechanical Systems

Ari Kamo

08/12/2026

Signed off — Alteration

Minor demolition with installation of new partitions, doors, suspended ceilings and finishes (Amenity Space) as per plans. No change to use, egress or occupancy.

M00784707-I1

08/07/2026

Signed off — Alteration

Minor demolition with installation of new partitions, doors, suspended ceilings and finishes on the (23rd Floor-Orrick-Buildout) as per plans. No change to use, egress or occupancy.

M01317146-I1

08/07/2026

Signed off — Alteration

M01317076-I1

08/06/2026

Inspection — Certified Remove/Cap - work done in accordance with code

Certified

View inspection ↗

08/06/2026

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

Certified

View inspection ↗

Latest 60 of 300 events.

Permit / Filing Register

Source	Work Type	Status	Applicant	Issued
DOB NOW	Sprinklers	Permit Issued	Dependable Mechanical	10/13/2026
DOB NOW	Sprinklers	Permit Issued	Dependable Mechanical	10/13/2026
DOB NOW	Sprinklers	Permit Issued	Dependable Mechanical	10/13/2026
DOB NOW	Mechanical Systems	Permit Issued	DK Construction One	10/05/2026
DOB NOW	General Construction	Permit Issued	DK Construction One	10/05/2026
DOB NOW	Mechanical Systems	Permit Issued	DK Construction One	09/29/2026
DOB NOW	Plumbing	Permit Issued	A&H Express Plumbing & Heating	07/15/2026
DOB NOW	Sprinklers	Permit Issued	Dependable Mechanical	07/15/2026
DOB NOW	General Construction	Permit Issued	DK Construction One	07/14/2026
DOB NOW	Mechanical Systems	Permit Issued	DK Construction One	07/13/2026
DOB NOW	Structural	Permit Issued	DK Construction One	07/13/2026
DOB NOW	Sprinklers	Permit Issued	Dependable Mechanical	06/17/2026
DOB NOW	Plumbing	Permit Issued	A&H Express Plumbing & Heating	06/11/2026
DOB NOW	Sprinklers	Signed-off	Dependable Mechanical	06/11/2026
DOB NOW	General Construction	Permit Issued	DK Construction One	06/10/2026
DOB NOW	Sprinklers	Permit Issued	Dependable Mechanical	05/14/2026
DOB NOW	Mechanical Systems	Permit Issued	DK Construction One	05/14/2026
DOB NOW	Plumbing	Permit Issued	A&H Express Plumbing & Heating	05/14/2026
DOB NOW	Mechanical Systems	Permit Issued	DK Construction One	05/13/2026
DOB NOW	General Construction	Permit Issued	DK Construction One	05/13/2026
DOB NOW	Mechanical Systems	Permit Issued	DK Construction One	05/13/2026
DOB NOW	Plumbing	Permit Issued	A&H Express Plumbing & Heating	05/05/2026
DOB NOW	Plumbing	Permit Issued	A&H Express Plumbing & Heating	05/05/2026
DOB NOW	General Construction	Permit Issued	DK Construction One	05/05/2026
DOB NOW	General Construction	Permit Issued	DK Construction One	05/05/2026
DOB NOW	Sprinklers	Permit Issued	Dependable Mechanical	05/05/2026
DOB NOW	Sprinklers	Permit Issued	Dependable Mechanical	05/05/2026
DOB NOW	Sprinklers	Signed-off	Abco-Peerless Sprinkler	04/16/2026
DOB NOW	Sprinklers	Permit Issued	Lawrence J. Levine	04/03/2026
DOB NOW	Sprinklers	Signed-off	Abco-Peerless Sprinkler	04/01/2026
DOB NOW	Plumbing	Permit Issued	Par Plumbing Co	04/01/2026
DOB NOW	General Construction	Permit Issued	JRM Construction Management	03/27/2026
DOB NOW	Mechanical Systems	Permit Issued	JRM Construction Management	03/26/2026
DOB NOW	Sprinklers	Signed-off	Dependable Mechanical	03/26/2026
DOB NOW	Structural	Permit Issued	JRM Construction Management	03/26/2026
DOB NOW	General Construction	Permit Issued	JRM Construction Management	03/18/2026
DOB NOW	Plumbing	Signed-off	Mac Felder	02/25/2026
DOB NOW	Plumbing	Permit Issued	Mac Felder	02/20/2026
DOB NOW	Sprinklers	Permit Issued	Dependable Mechanical	02/19/2026
DOB NOW	Sprinklers	Permit Issued	Dependable Mechanical	02/19/2026

+ 60 more permits on file

7 projects · most recent 10/20/2026

Air Conditioning Systems Heating and Air Conditioning Systems

Filed	Status	Contractor	Scope	Make / Model / Capacity
10/20/2026	Permit Issued	DK Construction One	Air Conditioning Systems	Cooling Florida Heat Pump LV-024 800 CFM · Wshp ×2 LV-018 600 CFM · Wshp ×1 LV-036 1,200 CFM · Wshp ×1
09/24/2026	Permit Issued	DK Construction One	Heating and Air Conditioning Systems	Heat / Cool Florida Heat Pump LV-024 2 tons · Heat Pump Outdoor ×2 LV-036 3 tons · Heat Pump Outdoor ×1 LV-030 1,000 CFM · Heat Pump Outdoor ×1
07/08/2026	Permit Issued	DK Construction One	Air Conditioning Systems	Cooling Florida Heat Pump LV-024 2 tons · Heat Pump Outdoor ×2
05/06/2026	Permit Issued	DK Construction One	Air Conditioning Systems	Cooling Florida Heat Pump LV-024 2 tons · Wshp ×2
05/05/2026	Permit Issued	DK Construction One	Air Conditioning Systems	Cooling Florida Heat Pump LV-024 800 CFM · Heat Pump Outdoor ×1 LV-036 1,100 CFM · Heat Pump Outdoor ×1
02/03/2026	Signed-off	JRM Construction Management	Air Conditioning Systems	Cooling Florida Heat Pump CL012-2HZC-LRETUA-XCGXXXXXX1MXXX4XXXXSBA 12,000 CFM · Wshp ×8 CL012-2VTC-LRTTUA-XCGXXXXXX1MXXX4XXXXS 12,000 BTU · Wshp ×8 CL012-2VTC-LRTTUA-XCGXXXXXX1MXXX4XXXXSBA 12,000 BTU · Wshp ×8 CL012-2HZC-ALETUA-XCGXXXXXX1MXXX4XXXXSBA 12,000 BTU · Wshp ×4 CL036-4HZC-ALETUA-XFGXXXXXB1MXXX4XXXXSBA 36,000 BTU · Wshp ×4 CL036-4HZC-LRETUA-XFGXXXXXB1 MXXX4XXXXSBA 36,000 BTU · Wshp ×4 CL036-4HZC-LRETUA-XFGXXXXXB1XXX4XXXXSBA 36,000 BTU · Wshp ×4 CL060-4VTC-ARTAUA-XFGXXXXXB1MXEX4XXXXSBA 60,000 BTU · Wshp ×4 CLO48-4HZC-ALEAUA-XFGXXXXXB1MXXX4XXXXS 48,000 BTU · Wshp ×4 CLO48-4HZC-ALEAUA-XFGXXXXXB1MXXX4XXXXSBA 48,000 BTU · Wshp ×4 CLO48-4VTC-ALTAUA-XFGXXXXXB1MXXX4XXXXSBA 48,000 BTU · Wshp ×4 CL012-2HZC-LRETUA 1,150 CFM · Wshp ×1 CL012-2VTC-LRTTUA 1,150 CFM · Wshp ×1 Bosch CL012-2VTC-LRTTUA-XCGXXXXXX1MXXX4XXXXSBA 375 CFM · Wshp ×1
11/01/2022	Signed-off	James E Fitzgerald	Air Conditioning Systems	Cooling Iec HDY1600531769,HDY1600531769,HPY1200531774,HPY1400531775,CPY0400532080,HPY1200531774,VDY1200531699,VDY1200531699,CPY0200532082,HPY1000531772,HPY1000531772,HPY1200531776,FXA0600533098 Fan Coil Indoor ×13

20 projects · most recent 10/20/2026

Filed	Status	Contractor	Scope
10/20/2026	Permit Issued	A&H Express Plumbing & Heating	167 heads
10/06/2026	Permit Issued	Par Fire Protection	140 heads
09/24/2026	Permit Issued	A&H Express Plumbing & Heating	152 heads
07/08/2026	Permit Issued	A&H Express Plumbing & Heating	351 heads
06/26/2026	Permit Issued	A&H Express Plumbing & Heating	383 heads
05/06/2026	Permit Issued	A&H Express Plumbing & Heating	—
05/05/2026	Permit Issued	A&H Express Plumbing & Heating	138 heads
04/02/2026	Signed-off	Abco-Peerless Sprinkler	200 heads
04/02/2026	Signed-off	Par Fire Protection	16 heads
02/02/2026	Permit Issued	A&H Express Plumbing & Heating	190 heads
02/02/2026	Permit Issued	A&H Express Plumbing & Heating	192 heads
01/02/2026	Signed-off	Abco-Peerless Sprinkler	362 heads
10/23/2025	Signed-off	Abco-Peerless Sprinkler	1,594 heads
08/27/2025	Permit Issued	A&H Express Plumbing & Heating	208 heads
05/30/2025	Signed-off	Par Fire Protection	—

18 projects · most recent 10/20/2026

Water/Sanitary

Filed	Status	Contractor	Scope
10/20/2026	Permit Issued	Dependable Mechanical	Water/Sanitary
09/24/2026	Permit Issued	Dependable Mechanical	Water/Sanitary
07/08/2026	Permit Issued	Dependable Mechanical	Water/Sanitary
06/26/2026	Permit Issued	Dependable Mechanical	Water/Sanitary
05/06/2026	Permit Issued	Dependable Mechanical	Water/Sanitary
05/05/2026	Permit Issued	Dependable Mechanical	Water/Sanitary
04/02/2026	—	—	—
04/02/2026	—	—	—
03/03/2026	Permit Issued	Par Plumbing Co	Water/Sanitary
02/02/2026	Signed-off	Dependable Mechanical	Water/Sanitary
02/02/2026	Signed-off	Dependable Mechanical	Water/Sanitary
01/14/2026	Permit Issued	Mac Felder	Water/Sanitary
01/08/2026	Signed-off	Mac Felder	Water/Sanitary
01/02/2026	—	—	—
10/23/2025	Signed-off	Mac Felder	Water/Sanitary

25 projects · most recent 06/15/2026

General Wiring

Filed	Status	Contractor	Scope
06/15/2026	Permit Issued	Titan Electrical & Elev Contracting	General Wiring
05/28/2026	Complete	Titan Electrical & Elev Contracting	General Wiring
05/28/2026	Complete	Titan Electrical & Elev Contracting	General Wiring
04/06/2026	Permit Issued	Titan Electrical & Elev Contracting	General Wiring
04/06/2026	Permit Issued	Titan Electrical & Elev Contracting	General Wiring
04/06/2026	Permit Issued	Titan Electrical & Elev Contracting	General Wiring
03/31/2026	Complete	Forest Electric	General Wiring
02/17/2026	Permit Issued	Titan Electrical & Elev Contracting	General Wiring
02/04/2026	Permit Issued	Forest Electric	General Wiring
01/28/2026	Complete	Nead Electric	General Wiring
01/22/2026	Complete	Forest Electric	—
12/22/2025	Complete	Forest Electric	General Wiring
02/26/2025	Permit Issued	Allran Electric of NY	—
10/07/2024	Complete	Titan Electrical & Elev Contracting	General Wiring
04/03/2024	Complete	Kleinknecht Electric Co	General Wiring

3 projects · most recent 07/01/2026

Steel Concrete

Filed	Status	Contractor	Scope
07/01/2026	Permit Issued	DK Construction One	Steel, Concrete
03/03/2026	Permit Issued	JRM Construction Management	Steel
11/22/2023	Permit Issued	James E Fitzgerald	1 scope_items

1 project · most recent 05/25/2023

Sidewalk Shed

Filed	Status	Contractor	Scope
05/25/2023	Permit Issued	Platinum Services NY	Sidewalk Shed

▾Field Inspections (DOB CAP) — 93

Date	Type	Result	Report
09/25/2026	Certified Sprinkler-SP-Piping Dry/Wet-Hydrostatic Test	Certified	View ↗
08/14/2026	Pass-Final PL - Underground	Pass	View ↗
08/06/2026	Certified Remove/Cap - work done in accordance with code	Certified	View ↗
08/06/2026	Certified Sprinkler-SP-Piping Dry/Wet-Hydrostatic Test	Certified	View ↗
07/28/2026	Pass-Final CND-Occupancy Inspection	Pass	View ↗
07/17/2026	Certified Sprinkler-SP-Fixtures-Finish	Certified	View ↗
07/16/2026	Pass-Final PL - Up to 3 Requested Floors	Pass	View ↗
07/15/2026	Certified Sprinkler-SP-Piping Dry/Wet-Hydrostatic Test	Certified	View ↗
07/06/2026	Pass-Final PL - Up to 3 Requested Floors	Pass	View ↗
06/18/2026	Certified Sprinkler-SP-Fixtures-Finish	Certified	View ↗
06/17/2026	Fail-Final PL - Up to 3 Requested Floors	Fail	View ↗
06/09/2026	Certified Water and Sanitary-WS-Fixtures-Finish	Certified	View ↗
06/09/2026	Certified Water and Sanitary-WS-Sanitary Piping-Roughing	Certified	View ↗
05/22/2026	Certified Sprinkler-SP-Piping Dry/Wet-Hydrostatic Test	Certified	View ↗
05/01/2026	Pass-Final PL - Up to 3 Requested Floors	Pass	View ↗
04/24/2026	Certified Water and Sanitary-WS-Sanitary Piping-Roughing	Certified	View ↗
04/13/2026	Certified Remove/Cap - work done in accordance with code	Certified	View ↗
04/13/2026	Certified Remove/Cap - work done in accordance with code	Certified	View ↗
04/02/2026	Certified Remove/Cap - work done in accordance with code	Certified	View ↗
04/02/2026	Certified Sprinkler-SP-Piping Dry/Wet-Hydrostatic Test	Certified	View ↗
04/01/2026	Certified Sprinkler-SP-Fixtures-Finish	Certified	View ↗
02/26/2026	Certified Sprinkler-SP-Fixtures-Finish	Certified	View ↗
02/20/2026	Certified Remove/Cap - work done in accordance with code	Certified	View ↗
02/20/2026	Certified Sprinkler-SP-Piping Dry/Wet-Hydrostatic Test	Certified	View ↗
11/25/2025	Certified Water and Sanitary-WS-Fixtures-Finish	Certified	View ↗

Latest 25 of 93.

▾Special Inspection Requirements (DOB NOW) — 150

Date	Requirement	Inspector	Role
10/06/2026	Sprinkler Systems	HATIM ELSAID	special
10/06/2026	Fire-Resistant Penetrations and Joints	HATIM ELSAID	special
10/06/2026	Post-installed Anchors	HATIM ELSAID	special
09/28/2026	Final	Ari Kamo	progress
09/28/2026	Mechanical Systems	Ari Kamo	special
09/24/2026	HVAC-R and service water piping design and insulation	Ari Kamo	energy_progress
09/24/2026	Interior lighting power	Ari Kamo	energy_progress
09/24/2026	Final	Ari Kamo	progress
09/24/2026	Mechanical Systems	Ari Kamo	special
09/24/2026	HVAC-R and service water heating system controls	Ari Kamo	energy_progress
09/24/2026	Maintenance information	Ari Kamo	energy_progress
09/24/2026	Sprinkler Systems	Ari Kamo	special
09/24/2026	Final	Ari Kamo	progress
09/24/2026	HVAC-R and service water heating equipment	Ari Kamo	energy_progress
09/24/2026	Lighting controls	Ari Kamo	energy_progress
09/24/2026	Fire-Resistant Penetrations and Joints	Ari Kamo	special
09/21/2026	Sprinkler Systems	Ari Kamo	special
09/21/2026	Final	Ari Kamo	progress
09/21/2026	Fire-Resistant Penetrations and Joints	Ari Kamo	special
09/21/2026	Mechanical Systems	Ari Kamo	special
09/17/2026	Sprinkler Systems	James Sullivan Jr	special
09/17/2026	Fire-Resistant Penetrations and Joints	James Sullivan Jr	special
09/17/2026	Post-installed Anchors	James Sullivan Jr	special
08/26/2026	Final	Ari Kamo	progress
08/26/2026	Fire-Resistant Penetrations and Joints	Ari Kamo	special

Latest 25 of 150.

▾Tenants in the building

Tenant	Space	Floors	Renovation projects
Computershare	Office	Floor 8	Project M01384938 Alteration · Permit Entire · 07/08/2026
Dorsey & Whitney	Office	Floors 8–10	Project M01407468 Alteration · Permit Entire · 07/01/2026
KBRA - BlackRock	Office	Floors 2, 13–15	Project M01401726 Alteration · Permit Entire · 06/03/2026 Project M01354579 Alteration · Approved · 04/21/2026 Project M01335906 Alteration · Permit Entire · 01/28/2026
KBRA	Office	Floors 2–5	Project M01348320 Alteration · Prof Cert QA Review · 05/07/2026 Project M01361458 Alteration · Permit Entire · 04/28/2026 Project M01361450 Alteration · Permit Entire · 04/22/2026 Project M01343514 Alteration · Permit Entire · 02/04/2026
Orrick	Office	Cellar, Floors 16, 17, 20–24	Project M01357808 Alteration · Permit Entire · 04/02/2026 Project M01317086 Alteration · Permit Entire · 01/14/2026 Project M01317153 Alteration · Permit Entire · 01/09/2026 Project M01317080 Alteration · LOC Issued · 01/08/2026 Project M01317156 Alteration · Permit Entire · 01/08/2026 Project M01317159 Alteration · Permit Entire · 01/08/2026 Project M01317146 Alteration · LOC Issued · 01/06/2026 Project M01317089 Alteration · LOC Issued · 01/02/2026 Project M01317076 Alteration · LOC Issued · 12/29/2025 Project M01257593 No Work · Approved · 09/10/2025 Project M01210608 Alteration CO · Permit Entire · 05/16/2025 Project M01180735 Alteration · LOC Issued · 03/13/2025
Brightstar Capital Partners	Office	Floors 17, 18	Project M01356648 Alteration · Permit Entire · 03/03/2026 Project M01356651 Alteration · Permit Entire · 03/03/2026 Project M01356656 Alteration · Permit Entire · 03/03/2026 Project M01356660 Alteration · Permit Entire · 03/03/2026 Project M01356662 Alteration · Permit Entire · 03/03/2026 Project M00916185 Alteration · LOC Issued · 08/24/2023 Project M00916218 Alteration · LOC Issued · 08/24/2023 Project M00916228 Alteration · LOC Issued · 08/24/2023 Project M00916055 Alteration · LOC Issued · 08/17/2023
BlackRock	Office	Cellar, Sub-basement, Floors 3, 17	Project M01335931 Alteration · Permit Entire · 01/29/2026 Project M01176866 Alteration · Permit Entire · 04/21/2025 Project M01176883 Alteration · Permit Entire · 04/21/2025 Project M01176889 Alteration · Permit Entire · 04/21/2025 Project M01176871 Alteration · Permit Entire · 04/09/2025 Project M01176869 Alteration · Permit Entire · 03/26/2025 Project M00789058 Alteration · LOC Issued · 12/08/2022 Project M00784744 Alteration · Permit Entire · 11/01/2022 Project M00784781 Alteration · LOC Issued · 11/01/2022 Project M00784789 Alteration · LOC Issued · 11/01/2022 Project M00784669 Alteration · LOC Issued · 10/05/2022 Project M00784661 Alteration · LOC Issued · 10/04/2022
Maiden Holdings	Office	Floor 7	Project M00986032 Alteration · Approved · 03/05/2024 Project M00986033 Alteration · Approved · 03/05/2024 Project M00986034 Alteration · Approved · 03/05/2024 Project M00986031 Alteration · Approved · 02/29/2024
Wachtell, Lipton, Rosen & Katz	Office	Floors 27, 29	Project M00989889 Alteration · LOC Issued · 03/01/2024 Project M00989893 Alteration · LOC Issued · 02/21/2024 Project M00989896 Alteration · LOC Issued · 02/21/2024 Project M00989899 Alteration · LOC Issued · 02/21/2024 Project M00897745 Alteration · LOC Issued · 08/01/2023
CPPIB	Office	Floors 35, 36	Project M00859524 Alteration · LOC Issued · 04/25/2023 Project M08035472 Alteration · Permit Entire · 01/06/2023 Project M08035483 Alteration · LOC Issued · 01/06/2023 Project M08043594 Alteration · LOC Issued · 01/06/2023 Project M08035467 Alteration · Permit Entire · 12/08/2022
Harbor Group	Office	Floors 4, 35, 36	Project M00806863 Alteration · LOC Issued · 01/25/2023 Project M00806890 Alteration · LOC Issued · 01/24/2023 Project M00806907 Alteration · LOC Issued · 01/24/2023 Project M00806928 Alteration · LOC Issued · 01/24/2023 Project M00736811 Alteration · LOC Issued · 06/27/2022 Project M00736868 Alteration · LOC Issued · 06/24/2022 Project M00736904 Alteration · LOC Issued · 06/24/2022 Project M00736937 Alteration · LOC Issued · 06/24/2022 Project M00638486 Alteration · LOC Issued · 12/08/2021 Project M00638552 Alteration · LOC Issued · 12/08/2021 Project M00638635 Alteration · LOC Issued · 12/07/2021 Project M00638681 Alteration · LOC Issued · 12/07/2021
Vale Insurance Partners	Office	Floor 12	Project M00645854 Alteration · LOC Issued · 01/03/2022 Project M00645871 Alteration · LOC Issued · 12/27/2021 Project M00645908 Alteration · LOC Issued · 12/27/2021 Project M00645810 Alteration · LOC Issued · 12/22/2021
Charles Schwab	Bank / Financial branch	Sub-basement	Project M00350432 Alteration · LOC Issued · 06/03/2020

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 — 3,094 on file (BIS + DOB NOW)

▸Plans & Drawings163

▸DOB NOWPlans/Sketch158

09/03/2026M00638681-I1Request digital key ↗

09/03/2026M00638552-I1Request digital key ↗

09/03/2026M00638486-I1Request digital key ↗

Showing 3 of 158 on file for this type

▸DOB NOWPlans/Sketch - Sprinkler2

09/03/2026M00350432-I1Request digital key ↗

Showing 1 of 2 on file for this type

▸DOB NOWPlans/Sketch - Temporary Place of Assembly1

On file, but not among the 200 most recently loaded documents for this source.

Showing 0 of 1 on file for this type

▸DOB NOWPlans/Sketch - Mechanical Systems1

09/04/2026M00360994-I1Request digital key ↗

▸DOB NOWPlans/Sketch - Place of Assembly1

On file, but not among the 200 most recently loaded documents for this source.

Showing 0 of 1 on file for this type

▸Applications & Permits547

▸BISPLAN / WORK APPROVAL APPLICATION238

09/29/2021123919803Open ↗

08/20/2021123919803Open ↗

Showing 3 of 238 on file for this type

▸BISWORK PERMIT APPLICATION165

10/25/2021123395316Open ↗

10/05/2020123396734Open ↗

07/02/2020140919317Open ↗

Showing 3 of 165 on file for this type

▸DOB NOWLPC Approval/Permit128

10/16/2026M01348320-P3Open ↗

10/16/2026M01348320-P1Open ↗

10/16/2026M01348320-P2Open ↗

Showing 3 of 128 on file for this type

▸BISPLACE OF ASSEMBLY10

On file, but not among the 200 most recently loaded documents for this source.

Showing 0 of 10 on file for this type

▸BISCERTIFICATE OF OCCUPANCY APPLICATION4

On file, but not among the 200 most recently loaded documents for this source.

Showing 0 of 4 on file for this type

▸BISPLACE OF ASSEMBLY APPLICATION2

On file, but not among the 200 most recently loaded documents for this source.

Showing 0 of 2 on file for this type

▸Zoning, Tax Lot & Property Records5

▸BISZRD1-Zoning Resolution Determination4

On file, but not among the 200 most recently loaded documents for this source.

Showing 0 of 4 on file for this type

▸DOB NOWHouse Number Verification: TOPO Stamp1

On file, but not among the 200 most recently loaded documents for this source.

Showing 0 of 1 on file for this type

▸Seals & Professional Certifications882

▸BISTECHNICAL REPORT: RESPONSIBILITY/CERTIFICATION369

06/26/2020120800936Open ↗

06/26/2020120803844Open ↗

06/26/2020120803835Open ↗

Showing 3 of 369 on file for this type

▸DOB NOWDPL-1: Design Professional Seal & Signature174

10/16/2026M01348320-P3Open ↗

10/16/2026M01348320-P1Open ↗

10/16/2026M01348320-P4Open ↗

Showing 3 of 174 on file for this type

▸DOB NOWSpecial Inspector Seal & Signature100

10/16/2026M01348320-P1Open ↗

10/16/2026M01348320-P2Open ↗

10/16/2026M01348320-P4Open ↗

Showing 3 of 100 on file for this type

▸DOB NOWProgress Inspector Seal & Signature88

10/16/2026M01348320-P2Open ↗

10/16/2026M01348320-P1Open ↗

Showing 3 of 88 on file for this type

▸BISPROFESSIONAL CERTIFIED CHECKLIST65

06/01/2020123919803Open ↗

Showing 1 of 65 on file for this type

▸BISPROFESSIONAL CERTIFICATION STATEMENT43

06/29/2020140919317Open ↗

06/01/2020123919803Open ↗

Showing 3 of 43 on file for this type

▸BISPROFESSIONAL CERTIFICATION STATEMENT FORM39

On file, but not among the 200 most recently loaded documents for this source.

Showing 0 of 39 on file for this type

▸BISREQUIRED ITEMS CHECKLIST FOR PROFESSIONAL CERTIFICATION2

06/29/2020140919317Open ↗

Showing 1 of 2 on file for this type

▸BISTECHNICAL REPORT STATEMENT OF RESPONSIBILITY2

06/29/2020140919317Open ↗

Showing 1 of 2 on file for this type

▸Trade Schedules & Equipment206

▸BISSELF-CERT PLUMBING NOTICE62

On file, but not among the 200 most recently loaded documents for this source.

Showing 0 of 62 on file for this type

▸BISSCHEDULE B - PLUMBING45

On file, but not among the 200 most recently loaded documents for this source.

Showing 0 of 45 on file for this type

▸BISSCHEDULE B - PLUMBING/SPRINKLER/STANDPIPE35

On file, but not among the 200 most recently loaded documents for this source.

Showing 0 of 35 on file for this type

▸BISFA - FDNY APPROVAL : FD-FAA31

01/08/2021123404271Open ↗

01/24/2020122551933Open ↗

01/24/2020122625837Open ↗

Showing 3 of 31 on file for this type

▸BISEQUIPMENT USE PERMITS12

On file, but not among the 200 most recently loaded documents for this source.

Showing 0 of 12 on file for this type

▸BISSPRINKLER INSP REPORT : FP-8511

On file, but not among the 200 most recently loaded documents for this source.

Showing 0 of 11 on file for this type

▸BISEQUIPMENT USE APPLICATION/PERMIT7

06/30/2020123777868Open ↗

Showing 2 of 7 on file for this type

▸BISSTANDPIPE INSP REPORT : FP-843

On file, but not among the 200 most recently loaded documents for this source.

Showing 0 of 3 on file for this type

▸Safety & Tenant Protection5

▸DOB NOWStreet Tree Checklist3

On file, but not among the 200 most recently loaded documents for this source.

Showing 0 of 3 on file for this type

▸BISSTREET TREE CHECKLIST2

On file, but not among the 200 most recently loaded documents for this source.

Showing 0 of 2 on file for this type

▸Environmental & Asbestos307

▸DOB NOWDEP ACP-5: Asbestos Assessment Report163

10/16/2026M01348320-P3Open ↗

10/16/2026M01348320-P1Open ↗

10/16/2026M01348320-P2Open ↗

Showing 3 of 163 on file for this type

▸BISASBESTOS: CERTIFICATION (DEP ACP5)84

06/29/2020140919317Open ↗

06/28/2019123777868Open ↗

Showing 2 of 84 on file for this type

▸BISTHIS IS 'NOT AN ASBESTOS PROJECT'42

On file, but not among the 200 most recently loaded documents for this source.

Showing 0 of 42 on file for this type

▸BISACP5 ASBESTOS: CERTIFICATION (DEP ACP5)6

On file, but not among the 200 most recently loaded documents for this source.

Showing 0 of 6 on file for this type

▸BISDEP ASBESTOS PROJECT COMPLETION FORM4

On file, but not among the 200 most recently loaded documents for this source.

Showing 0 of 4 on file for this type

▸BISASBESTOS EXEMPTION CERTIFICATION LETTER4

On file, but not among the 200 most recently loaded documents for this source.

Showing 0 of 4 on file for this type

▸DOB NOWDEP ACP-20/ACP-21: Asbestos Project Conditional Completion Form/Asbestos Project Completion Form4

On file, but not among the 200 most recently loaded documents for this source.

Showing 0 of 4 on file for this type

▸Energy Compliance101

▸BISTECHNICAL REPORT: ENERGY CODE PROGRESS INSPS53

06/08/2020123919803Open ↗

06/01/2020123919803Open ↗

03/06/2020122848918Open ↗

Showing 3 of 53 on file for this type

▸BISAS-BUILT ENERGY ANALYSIS20

11/02/2021123919803Open ↗

08/11/2020140919317Open ↗

06/30/2020123777868Open ↗

Showing 3 of 20 on file for this type

▸BISTECHNICAL REPORT: ENERGY11

On file, but not among the 200 most recently loaded documents for this source.

Showing 0 of 11 on file for this type

▸BISTR8: Energy Code Progress Inspections7

On file, but not among the 200 most recently loaded documents for this source.

Showing 0 of 7 on file for this type

▸BISTECHNICAL REPORT: ENERGY CODE - RESPONSIBILITY6

11/02/2021123919803Open ↗

11/01/2021123919803Open ↗

Showing 3 of 6 on file for this type

▸DOB NOWEN2: As Built Energy Analysis4

09/03/2026M00638552-I1Open ↗

09/03/2026M00645854-I1Open ↗

Showing 2 of 4 on file for this type

▸Inspections & Test Reports25

▸BISTECHNICAL REPORT: RESPONSIBILITY15

11/02/2021123919803Open ↗

09/30/2021122796563Open ↗

Showing 3 of 15 on file for this type

▸BISTECHNICAL REPORT: CONCRETE/TEST CYLINDER4

On file, but not among the 200 most recently loaded documents for this source.

Showing 0 of 4 on file for this type

▸BISHYDRAULIC FLOW CALCULATIONS3

On file, but not among the 200 most recently loaded documents for this source.

Showing 0 of 3 on file for this type

▸BISTECHNICAL REPORT: CONCRETE DESIGN MIX3

On file, but not among the 200 most recently loaded documents for this source.

Showing 0 of 3 on file for this type

▸Approvals, Objections & Sign-offs314

▸BISCERTIFICATE OF OCCUPANCY/LOC: REQUEST110

03/18/2022123304316Open ↗

11/03/2021123919803Open ↗

Showing 3 of 110 on file for this type

▸BISLANDMARKS APPROVAL100

06/29/2020140919317Open ↗

03/06/2020122145561Open ↗

01/31/2020122551933Open ↗

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▸BISADMINISTRATIVE OBJECTIONS64

On file, but not among the 200 most recently loaded documents for this source.

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▸BISLETTERS - SUPPORTING DOCUMENTATION14

On file, but not among the 200 most recently loaded documents for this source.

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▸BISSCHEDULE A - OCCUPANCY / USE10

On file, but not among the 200 most recently loaded documents for this source.

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▸BISCONSTRUCTION CODE DETERMINATION9

01/24/2020121662673Open ↗

Showing 1 of 9 on file for this type

▸BISLANDMARKS SIGNOFF4

03/18/2022123304316Open ↗

06/29/2020120803835Open ↗

06/29/2020120803844Open ↗

Showing 3 of 4 on file for this type

▸BISSUPERSEDING LETTER2

On file, but not among the 200 most recently loaded documents for this source.

Showing 0 of 2 on file for this type

▸DOB NOWLandmark Approval1

On file, but not among the 200 most recently loaded documents for this source.

Showing 0 of 1 on file for this type

▸Cost, Insurance & Ownership251

▸BISCOST AFFIDAVIT247

11/02/2021123919803Open ↗

10/08/2021123404271Open ↗

09/30/2021122796563Open ↗

Showing 3 of 247 on file for this type

▸BISCOST AFFIDAVIT (FINAL): PW34

03/17/2022123304316Open ↗

02/10/2022121116755Open ↗

02/10/2022121007711Open ↗

Showing 3 of 4 on file for this type

▸Filing & Intake Forms233

▸BISEFILING COVER SHEET148

06/01/2020123919803Open ↗

06/28/2019123777868Open ↗

Showing 3 of 148 on file for this type

▸BISBOROUGH INTAKE FORM46

10/05/2020123396734Open ↗

05/29/2020120886372Open ↗

05/29/2020120886354Open ↗

Showing 3 of 46 on file for this type

▸BISADDITIONAL INFORMATION32

09/29/2021123919803Open ↗

03/01/2021123919803Open ↗

03/06/2020123777868Open ↗

Showing 3 of 32 on file for this type

▸BISeFiling Job Application Cover Sheet7

06/29/2020140919317Open ↗

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▸Other Documents36

▸BISEXTERNAL FORMS - SUPPORTING DOCUMENTATION23

10/25/2021140605888Open ↗

03/06/2020122145561Open ↗

Showing 2 of 23 on file for this type

▸DOB NOWProof of Historic Building7

10/05/2026M01343514-P1Open ↗

Showing 1 of 7 on file for this type

▸DOB NOWProperty Ownership Certification3

On file, but not among the 200 most recently loaded documents for this source.

Showing 0 of 3 on file for this type

▸BISPLOT DIAGRAM2

On file, but not among the 200 most recently loaded documents for this source.

Showing 0 of 2 on file for this type

▸DOB NOWAlternate Plan 11

On file, but not among the 200 most recently loaded documents for this source.

Showing 0 of 1 on file for this type