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Memorial Sloan Kettering
Tenant
1 project with open permitsMANHATTAN · 9BROOKLYN · 5
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4 buildings
14
Total Filings
14
Projects on File
4
Buildings Worked
1
Projects w/ Open Permits
Tenant
Primary Trade
Activity
Projects by first filing month14 projects all-time
0246Jan '20 · 2Apr '21 · 1May '21 · 1Jun '21 · 2Dec '21 · 1Nov '22 · 5Feb '23 · 1Oct '25 · 1202020212022202320242025
bars = month · line = 3-mo average
Portfolio status
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Open permit17%
Signed off1393%
By project type
Alteration14
Most active buildings
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1250 1ST AVENUEMANHATTAN · latest 01/19/2022
7 projects
2236 NOSTRAND AVENUEBROOKLYN · latest 11/20/2022
5 projects
402 EAST 64TH STREETMANHATTAN · latest 08/16/2023
1 projects
530 EAST 74TH STREETMANHATTAN · 1 open · latest 07/15/2026
1 projects
Key relationships
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Design firms
5 projects
5 projects
2 projects
1 projects
Filing representatives
6 projects
5 projects
Contractors
5 projects
5 projects
2 projects
1 projects
Most recent projects
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ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
M01297684530 EAST 74TH STREET
MANHATTAN
AlterationPermit Issued10/06/202507/15/2026
Design THORNTON TOMASETTI
Contractor TURNER CONSTRUCTION COMPANY
Filer RPO INC.
Removal of existing tiles and fins only to the extent required and as indicated on plans. No change to egress, use, or occupancy.
M00820087 ↗402 EAST 64TH STREET
MANHATTAN
AlterationSigned-off02/22/202308/16/2023
Design LPE ENGINEERING, PC
Contractor MICHAEL ANTHONY CONTRACTING
NEW STRUCTURE FOR BULKHEAD ROOF - REMOVE AND INSTALL NEW ROOF MEMBRANE AT BULKHEAD
B00816376 ↗2236 NOSTRAND AVENUE
BROOKLYN
AlterationSigned-off11/18/202211/20/2022
Design SHAABAN ENGINEERING, LLC
Contractor SKANSKA BUILDING INC
Filer KAZAM CONSULTANTS, INC.
ERECT ILLUMINATED ACCESSORY BUSINESS WALL SIGN; COPY READING MEMORIAL MEDICAL CARE, PC A PRACTICE OF MSK PHYSICIANS MEMORIAL SLOAN KETTERING…
B08032679 ↗2236 NOSTRAND AVENUE
BROOKLYN
AlterationSigned-off11/18/202211/20/2022
Design SHAABAN ENGINEERING, LLC
Contractor SKANSKA BUILDING INC
Filer KAZAM CONSULTANTS, INC.
ERECT ILLUMINATED ACCESSORY BUSINESS WALL SIGN; COPY READING MEMORIAL MEDICAL CARE, PC A PRACTICE OF MSK PHYSICIANS MEMORIAL SLOAN KETTERING…
B08032683 ↗2236 NOSTRAND AVENUE
BROOKLYN
AlterationSigned-off11/18/202211/20/2022
Design SHAABAN ENGINEERING, LLC
Contractor SKANSKA BUILDING INC
Filer KAZAM CONSULTANTS, INC.
ERECT ILLUMINATED ACCESSORY BUSINESS WALL SIGN; COPY READING LOGO NEW YORK CANCER & BLOOD SPECIALISTS
B08032689 ↗2236 NOSTRAND AVENUE
BROOKLYN
AlterationSigned-off11/18/202211/20/2022
Design SHAABAN ENGINEERING, LLC
Contractor SKANSKA BUILDING INC
Filer KAZAM CONSULTANTS, INC.
ERECT NON-ILLUMINATED ACCESSORY BUSINESS WALL SIGN; COPY READING MEMORIAL MEDICAL CARE, PC A PRACTICE OF MSK PHYSICIANS MEMORIAL SLOAN KETTE…
Counts cover all 14 projects (14 DOB NOW). Dated by first filing; BIS projects by first permit issuance.
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
AKF Engineers510/12/2021
Shaaban Engineering511/18/2022
David Schwartz RA212/10/2021
Lpe Engineering102/22/2023
Silman109/23/2021
Thornton Tomasetti110/06/2025
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
JGN Construction512/10/2021
N.Y. Sign Art511/18/2022
Ashlar Mechanical209/24/2021
Cardoza Plumbing101/30/2020
Michael Anthony Contracting102/22/2023
Par Plumbing Co109/24/2021
Turner Construction Company110/06/2025
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
Rpo610/06/2025
Kazam Consultants511/18/2022
14 DOB NOW projects, anchored the same way as Buildings Worked. Status is the project's permit state today: open = at least one permit currently issued. BIS projects show their raw permit status and are not counted as open.
All 14Open permit 1Signed off 13
14 projects
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
M01297684530 EAST 74TH STREET
MANHATTAN
AlterationPermit Issued10/06/202507/15/2026
Design THORNTON TOMASETTI
Contractor TURNER CONSTRUCTION COMPANY
Filer RPO INC.
Removal of existing tiles and fins only to the extent required and as indicated on plans. No change to egress, use, or occupancy.
M00820087 ↗402 EAST 64TH STREET
MANHATTAN
AlterationSigned-off02/22/202308/16/2023
Design LPE ENGINEERING, PC
Contractor MICHAEL ANTHONY CONTRACTING
NEW STRUCTURE FOR BULKHEAD ROOF - REMOVE AND INSTALL NEW ROOF MEMBRANE AT BULKHEAD
B00816376 ↗2236 NOSTRAND AVENUE
BROOKLYN
AlterationSigned-off11/18/202211/20/2022
Design SHAABAN ENGINEERING, LLC
Contractor SKANSKA BUILDING INC
Filer KAZAM CONSULTANTS, INC.
ERECT ILLUMINATED ACCESSORY BUSINESS WALL SIGN; COPY READING MEMORIAL MEDICAL CARE, PC A PRACTICE OF MSK PHYSICIANS MEMORIAL SLOAN KETTERING…
B08032679 ↗2236 NOSTRAND AVENUE
BROOKLYN
AlterationSigned-off11/18/202211/20/2022
Design SHAABAN ENGINEERING, LLC
Contractor SKANSKA BUILDING INC
Filer KAZAM CONSULTANTS, INC.
ERECT ILLUMINATED ACCESSORY BUSINESS WALL SIGN; COPY READING MEMORIAL MEDICAL CARE, PC A PRACTICE OF MSK PHYSICIANS MEMORIAL SLOAN KETTERING…
B08032683 ↗2236 NOSTRAND AVENUE
BROOKLYN
AlterationSigned-off11/18/202211/20/2022
Design SHAABAN ENGINEERING, LLC
Contractor SKANSKA BUILDING INC
Filer KAZAM CONSULTANTS, INC.
ERECT ILLUMINATED ACCESSORY BUSINESS WALL SIGN; COPY READING LOGO NEW YORK CANCER & BLOOD SPECIALISTS
B08032689 ↗2236 NOSTRAND AVENUE
BROOKLYN
AlterationSigned-off11/18/202211/20/2022
Design SHAABAN ENGINEERING, LLC
Contractor SKANSKA BUILDING INC
Filer KAZAM CONSULTANTS, INC.
ERECT NON-ILLUMINATED ACCESSORY BUSINESS WALL SIGN; COPY READING MEMORIAL MEDICAL CARE, PC A PRACTICE OF MSK PHYSICIANS MEMORIAL SLOAN KETTE…
B08032694 ↗2236 NOSTRAND AVENUE
BROOKLYN
AlterationSigned-off11/18/202211/20/2022
Design SHAABAN ENGINEERING, LLC
Contractor SKANSKA BUILDING INC
Filer KAZAM CONSULTANTS, INC.
ERECT NON-ILLUMINATED ACCESSORY BUSINESS WALL SIGN; COPY READING LOGO NEW YORK CANCER & BLOOD SPECIALISTS
M005203381250 1ST AVENUE
MANHATTAN
AlterationSigned-off06/17/202101/19/2022
Design AKF ENGINEERS, LLP
Contractor ASHLAR MECHANICAL CORP
Filer RPO INC.
Filing plumbing and sprinkler work on the 8th floor north side.
M006412091250 1ST AVENUE
MANHATTAN
AlterationSigned-off12/10/202112/16/2021
Design DAVID SCHWARTZ RA
Contractor JGN CONSTRUCTION CORP
Filer RPO INC.
Filing herewith for minor renovation. No change in occupancy, use, or egress.
M005195921250 1ST AVENUE
MANHATTAN
AlterationSigned-off06/04/202112/09/2021
Design AKF ENGINEERS, LLP
Contractor JGN CONSTRUCTION CORP
Filer RPO INC.
Filing for mechanical work on the 8th floor North side of the floor. No change in egress, use, or occupancy.
M005199791250 1ST AVENUE
MANHATTAN
AlterationSigned-off05/14/202110/27/2021
Design DAVID SCHWARTZ RA
Contractor JGN CONSTRUCTION CORP
Filer RPO INC.
FILING GENERAL CONSTRUCTION WORK ON 8TH FLOOR NORTH. NO CHANGE IN EGRESS, USE, OR OCCUPANCY.
M005046941250 1ST AVENUE
MANHATTAN
AlterationSigned-off04/30/202105/11/2021
Design AKF ENGINEERS, LLP
Contractor JGN CONSTRUCTION CORP
Filer RPO INC.
FILING FOR MECHANICAL WORK ON THE 8TH FLOOR SOUT. NO CHANGE IN EGRESS, USE OR, OCCUPANCY.
M002930141250 1ST AVENUE
MANHATTAN
AlterationSigned-off01/30/202011/20/2020
Design AKF ENGINEERS, LLP
Contractor ASHLAR MECHANICAL CORP
Filer DC TURANO INC
PLUMBING AND SPRINKLER DEMOLITION AND INSTALLATION OF TEMPORARY SPRINKLER LOOP ON THE 4TH FLOOR. NO CHANGE IN USE, EGRESS, OR OCCUPANCY.
M002968041250 1ST AVENUE
MANHATTAN
AlterationSigned-off01/30/202002/03/2020
Design AKF ENGINEERS, LLP
Contractor JGN CONSTRUCTION CORP
Filer DC TURANO INC
MECHANICAL DEMOLITION ON THE 4TH FLOOR. NO CHANGE IN USE, EGRESS, OR OCCUPANCY.
Click a row for this entity's own projects, plans and documents at that building.
BuildingFilingsMost Recent
530 EAST 74TH STREET ↗110/06/2025
402 EAST 64TH STREET ↗102/22/2023
2236 NOSTRAND AVENUE ↗511/18/2022
1250 1ST AVENUE ↗712/10/2021
▾Documents — 112 on file (BIS + DOB NOW)
▸Plans & Drawings20
▸DOB NOWPlans/Sketch17
09/03/2026M00504694-I1 · 1250 1ST AVENUERequest digital key ↗
09/03/2026M00519592-I1 · 1250 1ST AVENUERequest digital key ↗
09/03/2026M00519592-P1 · 1250 1ST AVENUERequest digital key ↗
Showing 3 of 17 on file for this type
▸DOB NOWPlans/Sketch - Mechanical Systems1
09/05/2026M00296804-I1 · 1250 1ST AVENUERequest digital key ↗
▸DOB NOWPlans/Sketch - Plumbing1
09/05/2026M00293014-I1 · 1250 1ST AVENUERequest digital key ↗
▸DOB NOWPlans/Sketch - Sprinkler1
09/05/2026M00293014-I1 · 1250 1ST AVENUERequest digital key ↗
▸Seals & Professional Certifications57
▸DOB NOWProgress Inspector Seal & Signature22
09/30/2026B08032683-I1 · 2236 NOSTRAND AVENUEOpen ↗
09/17/2026M01297684-I1 · 530 EAST 74TH STREETOpen ↗
09/02/2026B00816376-I1 · 2236 NOSTRAND AVENUEOpen ↗
Showing 3 of 22 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature19
09/03/2026M00519592-P2 · 1250 1ST AVENUEOpen ↗
09/03/2026M00519592-I1 · 1250 1ST AVENUEOpen ↗
09/03/2026M00519592-P1 · 1250 1ST AVENUEOpen ↗
Showing 3 of 19 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature16
08/29/2026M00519592-I1 · 1250 1ST AVENUEOpen ↗
08/29/2026M00519592-I1 · 1250 1ST AVENUEOpen ↗
08/28/2026M00520338-I1 · 1250 1ST AVENUEOpen ↗
Showing 3 of 16 on file for this type
▸Environmental & Asbestos18
▸DOB NOWDEP ACP-5: Asbestos Assessment Report18
09/03/2026M00519592-I1 · 1250 1ST AVENUEOpen ↗
09/03/2026M00519592-P1 · 1250 1ST AVENUEOpen ↗
09/03/2026M00519592-P2 · 1250 1ST AVENUEOpen ↗
Showing 3 of 18 on file for this type
▸Energy Compliance3
▸DOB NOWEN2: As Built Energy Analysis.3
09/03/2026M00519592-I1 · 1250 1ST AVENUEOpen ↗
09/03/2026M00519979-I1 · 1250 1ST AVENUEOpen ↗
08/13/2026M00504694-I1 · 1250 1ST AVENUEOpen ↗
▸Approvals, Objections & Sign-offs14
▸DOB NOWFee Exempt Supporting Document - DOF ACRIS report or BIB letter14
09/03/2026M00519592-I1 · 1250 1ST AVENUEOpen ↗
09/03/2026M00519592-P1 · 1250 1ST AVENUEOpen ↗
09/03/2026M00519592-P2 · 1250 1ST AVENUEOpen ↗
Showing 3 of 14 on file for this type