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Kato Kagaku Co
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9 projects with open permitsMANHATTAN · 52
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1 building
52
Total Filings
52
Projects on File
1
Buildings Worked
9
Projects w/ Open Permits
Tenant
Primary Trade
Activity
Projects by first filing month52 projects all-time
0358Dec '19 · 6Jan '20 · 2Nov '20 · 2Sep '21 · 2Oct '21 · 4Nov '21 · 1Dec '21 · 1Oct '22 · 3Nov '22 · 1Mar '23 · 3Jun '23 · 1Oct '23 · 3Nov '23 · 1Oct '24 · 3Jul '25 · 3Sep '25 · 2Oct '25 · 7Jan '26 · 1Apr '26 · 2May '26 · 2Sep '26 · 22020202120222023202420252026
bars = month · line = 3-mo average
Portfolio status
Browse projects →
Open permit917%
Signed off4179%
Filed only24%
By project type
Alteration52
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All buildings →
12 EAST 49TH STREETMANHATTAN · 9 open · latest 09/25/2026
52 projects
Key relationships
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Design firms
32 projects
12 projects
3 projects
2 projects
Filing representatives
34 projects
3 projects
2 projects
1 projects
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52 projects
Most recent projects
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ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
M01438024 ↗12 EAST 49TH STREET
MANHATTAN
AlterationPermit Issued09/04/202609/25/2026
Design MG ENGINEERING D.P.C.
Owner KATO KAGAKU CO LTC
Contractor STRUCTURE TONE, LLC
Filer RIZZO GROUP
Structural modifications taking place on the 2nd & 3rd floor as per plans filed herewith. No change in use, egress or occupancy
M01438122 ↗12 EAST 49TH STREET
MANHATTAN
AlterationPermit Issued09/04/202609/25/2026
Design MG ENGINEERING D.P.C.
Owner KATO KAGAKU CO LTC
Contractor STRUCTURE TONE, LLC
Filer RIZZO GROUP
Structural modifications taking place on the 23-25 Construction/ 24-26 Marketing floors as per plans filed herewith. No change in use, egres…
M01386215 ↗12 EAST 49TH STREET
MANHATTAN
AlterationPermit Issued05/19/202605/21/2026
Design GC ENG & ASSOCIATES, PC
Owner KATO KAGAKU CO LTC
Contractor UNITY CONSTRUCTION GROUP
Filer ARCHETYPE CONSULTANTS, INC.
Construction work on the 41st floor construction (42nd floor marketing) as indicated on drawings.
M01399174 ↗12 EAST 49TH STREET
MANHATTAN
AlterationFiled — no permit on record05/20/2026—
Design JAROS BAUM & BOLLES
Owner KATO KAGAKU CO LTC
Filer A1 EXPEDITING SERVICE CORP.
—
M01366046 ↗12 EAST 49TH STREET
MANHATTAN
AlterationPermit Issued04/21/202605/01/2026
Design GC ENG & ASSOCIATES, PC
Owner KATO KAGAKU CO LTC
Contractor UNITY CONSTRUCTION GROUP
Filer ARCHETYPE CONSULTANTS, INC.
Construction work on the 24th floor construction (25th floor marketing) core bathrooms as indicated on drawings.
M01366305 ↗12 EAST 49TH STREET
MANHATTAN
AlterationPermit Issued04/21/202604/28/2026
Design GC ENG & ASSOCIATES, PC
Owner KATO KAGAKU CO LTC
Contractor UNITY CONSTRUCTION GROUP
Filer ARCHETYPE CONSULTANTS, INC.
Construction work on the 31st floor construction (32nd floor marketing) core bathrooms as indicated on drawings.
Counts cover all 52 projects (52 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
MG Engineering3209/14/2026
GC Engineering & Associates1205/19/2026
Cosentini Associates305/19/2020
Bahary Architecture212/14/2023
Mdeas Architects209/14/2026
Severud Associates209/14/2026
Fmo Engineering111/06/2023
Jaros Baum & Bolles105/20/2026
Loffredo Brooks Architects105/20/2026
Tread A&D110/05/2022
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
Tri-Star Construction1212/24/2025
Unity Construction Group1005/19/2026
Par Plumbing Co510/05/2022
Abco Peerless Sprinkler410/26/2023
S.B.A. Plumbing410/10/2025
Par Fire Protection309/14/2026
Aggressive Fire Protection203/13/2023
City/Suburban Plumbing210/06/2025
Full Capacity Fire210/06/2025
Preferred Mechanical209/14/2026
Renotech Interiors212/14/2023
Structure Tone209/14/2026
Unispace of Boston208/03/2023
Hudson Black104/27/2020
M&T Plumbing and Heating Co104/27/2020
Tristate Plumbing Services111/02/2020
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
Kato Kagaku Co LTC5209/14/2026
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
Archetype Consultants3405/19/2026
Metropolis Group308/03/2023
Rizzo Group209/14/2026
A1 Expediting Service105/20/2026
52 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 52Open permit 9Signed off 41Filed only 2
52 projects
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
M01438024 ↗12 EAST 49TH STREET
MANHATTAN
AlterationPermit Issued09/04/202609/25/2026
Design MG ENGINEERING D.P.C.
Owner KATO KAGAKU CO LTC
Contractor STRUCTURE TONE, LLC
Filer RIZZO GROUP
Structural modifications taking place on the 2nd & 3rd floor as per plans filed herewith. No change in use, egress or occupancy
M01438122 ↗12 EAST 49TH STREET
MANHATTAN
AlterationPermit Issued09/04/202609/25/2026
Design MG ENGINEERING D.P.C.
Owner KATO KAGAKU CO LTC
Contractor STRUCTURE TONE, LLC
Filer RIZZO GROUP
Structural modifications taking place on the 23-25 Construction/ 24-26 Marketing floors as per plans filed herewith. No change in use, egres…
M01386215 ↗12 EAST 49TH STREET
MANHATTAN
AlterationPermit Issued05/19/202605/21/2026
Design GC ENG & ASSOCIATES, PC
Owner KATO KAGAKU CO LTC
Contractor UNITY CONSTRUCTION GROUP
Filer ARCHETYPE CONSULTANTS, INC.
Construction work on the 41st floor construction (42nd floor marketing) as indicated on drawings.
M01399174 ↗12 EAST 49TH STREET
MANHATTAN
AlterationFiled — no permit on record05/20/2026—
Design JAROS BAUM & BOLLES
Owner KATO KAGAKU CO LTC
Filer A1 EXPEDITING SERVICE CORP.
—
M01366046 ↗12 EAST 49TH STREET
MANHATTAN
AlterationPermit Issued04/21/202605/01/2026
Design GC ENG & ASSOCIATES, PC
Owner KATO KAGAKU CO LTC
Contractor UNITY CONSTRUCTION GROUP
Filer ARCHETYPE CONSULTANTS, INC.
Construction work on the 24th floor construction (25th floor marketing) core bathrooms as indicated on drawings.
M01366305 ↗12 EAST 49TH STREET
MANHATTAN
AlterationPermit Issued04/21/202604/28/2026
Design GC ENG & ASSOCIATES, PC
Owner KATO KAGAKU CO LTC
Contractor UNITY CONSTRUCTION GROUP
Filer ARCHETYPE CONSULTANTS, INC.
Construction work on the 31st floor construction (32nd floor marketing) core bathrooms as indicated on drawings.
M01329338 ↗12 EAST 49TH STREET
MANHATTAN
AlterationSigned-off01/15/202602/02/2026
Design GC ENG & ASSOCIATES, PC
Owner KATO KAGAKU CO LTC
Contractor UNITY CONSTRUCTION GROUP
Filer ARCHETYPE CONSULTANTS, INC.
Interior demolition of non load bearing partitions on the 3rd floor, 23rd floor construction (24th floor marketing) and 24th floor construc…
M01277175 ↗12 EAST 49TH STREET
MANHATTAN
AlterationSigned-off10/10/202510/24/2025
Design MG ENGINEERING D.P.C.
Owner KATO KAGAKU CO LTC
Contractor S.B.A. PLUMBING CORP
Filer ARCHETYPE CONSULTANTS, INC.
Plumbing work on the 30th floor (31st floor marketing) as indicated on drawings.
M01277183 ↗12 EAST 49TH STREET
MANHATTAN
AlterationSigned-off10/10/202510/24/2025
Design MG ENGINEERING D.P.C.
Owner KATO KAGAKU CO LTC
Contractor S.B.A. PLUMBING CORP
Filer ARCHETYPE CONSULTANTS, INC.
Sprinkler work on the 30th floor construction (31st floor marketing) as indicated on drawings.
M01277153 ↗12 EAST 49TH STREET
MANHATTAN
AlterationSigned-off10/10/202510/23/2025
Design GC ENG & ASSOCIATES, PC
Owner KATO KAGAKU CO LTC
Contractor TRI-STAR CONSTRUCTION COR
Filer ARCHETYPE CONSULTANTS, INC.
Architectural work on the 30th floor construction (31st floor marketing/tenant) as indicated on drawings.
M01277165 ↗12 EAST 49TH STREET
MANHATTAN
AlterationSigned-off10/10/202510/23/2025
Design MG ENGINEERING D.P.C.
Owner KATO KAGAKU CO LTC
Contractor TRI-STAR CONSTRUCTION COR
Filer ARCHETYPE CONSULTANTS, INC.
Mechanical work on the 30th floor construction (31st floor marketing/tenant) as indicated on drawings.
M01276066 ↗12 EAST 49TH STREET
MANHATTAN
AlterationSigned-off10/06/202510/08/2025
Design MG ENGINEERING D.P.C.
Owner KATO KAGAKU CO LTC
Contractor CITY/SUBURBAN PLBG CORP
Filer ARCHETYPE CONSULTANTS, INC.
Plumbing work on the 35th floor construction (36th floor marketing/tenant) as indicated on drawings.
M01276060 ↗12 EAST 49TH STREET
MANHATTAN
AlterationSigned-off10/06/202510/07/2025
Design MG ENGINEERING D.P.C.
Owner KATO KAGAKU CO LTC
Contractor TRI-STAR CONSTRUCTION COR
Filer ARCHETYPE CONSULTANTS, INC.
Mechanical work on the 35th floor construction (36th floor marketing/tenant) as indicated on drawings.
M01276070 ↗12 EAST 49TH STREET
MANHATTAN
AlterationPermit Issued10/06/202510/07/2025
Design MG ENGINEERING D.P.C.
Owner KATO KAGAKU CO LTC
Contractor FULL CAPACITY FIRE CORP
Filer ARCHETYPE CONSULTANTS, INC.
Sprinkler work on the 35th floor construction (36th floor marketing/tenant) as indicated on drawings.
M01270207 ↗12 EAST 49TH STREET
MANHATTAN
AlterationSigned-off09/05/202509/24/2025
Design MG ENGINEERING D.P.C.
Owner KATO KAGAKU CO LTC
Contractor FULL CAPACITY FIRE CORP
Filer ARCHETYPE CONSULTANTS, INC.
Sprinkler work on the 6th and 7th floors as indicated on drawings.
M01270193 ↗12 EAST 49TH STREET
MANHATTAN
AlterationSigned-off09/09/202509/18/2025
Design GC ENG & ASSOCIATES, PC
Owner KATO KAGAKU CO LTC
Contractor TRI-STAR CONSTRUCTION COR
Filer ARCHETYPE CONSULTANTS, INC.
Construction work on the 6th and 7th floors as indicated on drawings.
M01227896 ↗12 EAST 49TH STREET
MANHATTAN
AlterationSigned-off07/03/202507/17/2025
Design MG ENGINEERING D.P.C.
Owner KATO KAGAKU CO LTC
Contractor S.B.A. PLUMBING CORP
Filer ARCHETYPE CONSULTANTS, INC.
Plumbing work on the 31st floor (NW suite) as indicated on drawings.
M01227899 ↗12 EAST 49TH STREET
MANHATTAN
AlterationSigned-off07/03/202507/15/2025
Design MG ENGINEERING D.P.C.
Owner KATO KAGAKU CO LTC
Contractor S.B.A. PLUMBING CORP
Filer ARCHETYPE CONSULTANTS, INC.
Sprinkler work on the 31st floor (NW suite) as indicated on drawings.
M01227883 ↗12 EAST 49TH STREET
MANHATTAN
AlterationSigned-off07/03/202507/08/2025
Design GC ENG & ASSOCIATES, PC
Owner KATO KAGAKU CO LTC
Contractor TRI-STAR CONSTRUCTION COR
Filer ARCHETYPE CONSULTANTS, INC.
Construction work on the 31st floor (NW suite) as indicated on drawings.
M01111886 ↗12 EAST 49TH STREET
MANHATTAN
AlterationSigned-off10/03/202411/04/2024
Design MG ENGINEERING D.P.C.
Owner KATO KAGAKU CO LTC
Contractor CITY/SUBURBAN PLBG CORP
Filer ARCHETYPE CONSULTANTS, INC.
Plumbing work on the 33rd floor as indicated on drawings.
M01111867 ↗12 EAST 49TH STREET
MANHATTAN
AlterationSigned-off10/03/202410/18/2024
Design GC ENG & ASSOCIATES, PC
Owner KATO KAGAKU CO LTC
Contractor TRI-STAR CONSTRUCTION COR
Filer ARCHETYPE CONSULTANTS, INC.
Architectural work on the 33rd floor as indicated on drawings. EN drawings for lighting are submitted under M01111874-I1
M01111874 ↗12 EAST 49TH STREET
MANHATTAN
AlterationSigned-off10/03/202410/18/2024
Design MG ENGINEERING D.P.C.
Owner KATO KAGAKU CO LTC
Contractor TRI-STAR CONSTRUCTION COR
Filer ARCHETYPE CONSULTANTS, INC.
Mechanical work on the 33rd floor as indicated on drawings.
M00943596 ↗12 EAST 49TH STREET
MANHATTAN
AlterationSigned-off10/26/202311/15/2023
Design MG ENGINEERING D.P.C.
Owner KATO KAGAKU CO LTC
Contractor ABCO-PEERLESS SPRKLR CORP
Filer ARCHETYPE CONSULTANTS, INC.
Sprinkler work on the 29th floor as inidcated on drawings
M00943577 ↗12 EAST 49TH STREET
MANHATTAN
AlterationSigned-off11/03/202311/13/2023
Design GC ENG & ASSOCIATES, PC
Owner KATO KAGAKU CO LTC
Contractor TRI-STAR CONSTRUCTION COR
Filer ARCHETYPE CONSULTANTS, INC.
Architectural work on the 29th floor as indicated on drawings
M00943582 ↗12 EAST 49TH STREET
MANHATTAN
AlterationSigned-off10/26/202311/02/2023
Design MG ENGINEERING D.P.C.
Owner KATO KAGAKU CO LTC
Contractor TRI-STAR CONSTRUCTION COR
Filer ARCHETYPE CONSULTANTS, INC.
Mechanical work on the 29th floor as indicated on drawings
M00943591 ↗12 EAST 49TH STREET
MANHATTAN
AlterationFiled — no permit on record10/26/2023—
Design MG ENGINEERING D.P.C.
Owner KATO KAGAKU CO LTC
Filer ARCHETYPE CONSULTANTS, INC.
—
M00880264 ↗12 EAST 49TH STREET
MANHATTAN
AlterationSigned-off06/22/202307/13/2023
Design BAHARY ARCHITECTURE PC
Owner KATO KAGAKU CO LTC
Contractor RENOTECH INTERIORS INC
GENERAL CONSTRUCTION-ARCHITECTURAL WORK ON THE 39TH FLOOR AS INDICATED ON DRAWINGS. NO CHANGE IN USE, EGRESS, OR OCCUPANCY.
M00812791 ↗12 EAST 49TH STREET
MANHATTAN
AlterationSigned-off03/13/202304/18/2023
Design MG ENGINEERING D.P.C.
Owner KATO KAGAKU CO LTC
Contractor AGGRESSIVE FIRE PROT LLC
Filer ARCHETYPE CONSULTANTS, INC.
Sprinkler work ; temporary sprinkler loop on the 31st floor as indicated on drawings
M00809529 ↗12 EAST 49TH STREET
MANHATTAN
AlterationSigned-off03/20/202304/06/2023
Design GC ENG & ASSOCIATES, PC
Owner KATO KAGAKU CO LTC
Contractor UNITY CONSTRUCTION GROUP
Filer ARCHETYPE CONSULTANTS, INC.
Interior demolition and architectural work on the 31st floor as indicated on drawings. EN drawings for lighting are submitted under M0081275…
M00812758 ↗12 EAST 49TH STREET
MANHATTAN
AlterationSigned-off03/13/202304/06/2023
Design MG ENGINEERING D.P.C.
Owner KATO KAGAKU CO LTC
Contractor UNITY CONSTRUCTION GROUP
Filer ARCHETYPE CONSULTANTS, INC.
Mechanical work on the 31st floor (tenant/common elevator lobby/corridor) as indicated on drawings
M00787560 ↗12 EAST 49TH STREET
MANHATTAN
AlterationSigned-off10/05/202212/07/2022
Design MG ENGINEERING D.P.C.
Owner KATO KAGAKU CO LTC
Contractor PAR PLUMBING CO., INC
Filer METROPOLIS GROUP INC
Modification to the plumbing and sprinkler system on the 36th FL, for the QIC office. No change of use, egress or occupancy.
M08028280 ↗12 EAST 49TH STREET
MANHATTAN
AlterationSigned-off11/08/202211/18/2022
Design BAHARY ARCHITECTURE PC
Owner KATO KAGAKU CO LTC
Contractor RENOTECH INTERIORS INC
GENERAL CONSTRUCTION- ARCHITECTURAL WORK ON THE 39TH FLOOR AS INDICATED ON DRAWINGS. NO CHANGE IN USE, EGRESS OR OCCUPANCY.
M00787545 ↗12 EAST 49TH STREET
MANHATTAN
AlterationSigned-off10/13/202210/26/2022
Design MG ENGINEERING D.P.C.
Owner KATO KAGAKU CO LTC
Contractor UNISPACE OF BOSTON LLC
Filer METROPOLIS GROUP INC
Modification of the mechanical system on the 36th FL office space QIC. No change of use, egress or occupancy.
M00787480 ↗12 EAST 49TH STREET
MANHATTAN
AlterationSigned-off10/05/202210/12/2022
Design TREAD A&D LLC
Owner KATO KAGAKU CO LTC
Contractor UNISPACE OF BOSTON LLC
Filer METROPOLIS GROUP INC
Interior renovation of office space on the 36th FL. No change of use, egress or occupancy.
M00626569 ↗12 EAST 49TH STREET
MANHATTAN
AlterationSigned-off11/15/202106/24/2022
Design GC ENG & ASSOCIATES, PC
Owner KATO KAGAKU CO LTC
Contractor UNITY CONSTRUCTION GROUP
Filer ARCHETYPE CONSULTANTS, INC.
Architectural work on the 1st floor (lobby repairs) as indicated on drawings.
M00646883 ↗12 EAST 49TH STREET
MANHATTAN
AlterationSigned-off12/30/202106/24/2022
Design FMO ENGINEERING PC
Owner KATO KAGAKU CO LTC
Contractor UNITY CONSTRUCTION GROUP
Filer ARCHETYPE CONSULTANTS, INC.
Structural changes on the 1st floor (catwalk) as indicated on drawings
M00593773 ↗12 EAST 49TH STREET
MANHATTAN
AlterationSigned-off10/01/202111/05/2021
Design MG ENGINEERING D.P.C.
Owner KATO KAGAKU CO LTC
Contractor PAR PLUMBING CO., INC
Filer ARCHETYPE CONSULTANTS, INC.
Plumbing work on the 42nd floor (Toban) as indicated on drawings
M00569914 ↗12 EAST 49TH STREET
MANHATTAN
AlterationSigned-off09/14/202111/03/2021
Design MG ENGINEERING D.P.C.
Owner KATO KAGAKU CO LTC
Contractor PAR PLUMBING CO., INC
Filer ARCHETYPE CONSULTANTS, INC.
Plumbing work on the 29th floor as indicated on drawings.
M00594131 ↗12 EAST 49TH STREET
MANHATTAN
AlterationSigned-off10/01/202110/07/2021
Design MG ENGINEERING D.P.C.
Owner KATO KAGAKU CO LTC
Contractor ABCO-PEERLESS SPRKLR CORP
Filer ARCHETYPE CONSULTANTS, INC.
Sprinkler work on t he 42nd floor (Toban) as indicated on drawings.
M00593421 ↗12 EAST 49TH STREET
MANHATTAN
AlterationSigned-off10/01/202110/06/2021
Design GC ENG & ASSOCIATES, PC
Owner KATO KAGAKU CO LTC
Contractor TRI-STAR CONSTRUCTION COR
Filer ARCHETYPE CONSULTANTS, INC.
Construction work on the 42nd floor (Toban) as indicated on drawings.
M00593764 ↗12 EAST 49TH STREET
MANHATTAN
AlterationSigned-off10/01/202110/04/2021
Design MG ENGINEERING D.P.C.
Owner KATO KAGAKU CO LTC
Contractor TRI-STAR CONSTRUCTION COR
Filer ARCHETYPE CONSULTANTS, INC.
Mechanical work on the 42nd floor (Toban) as indicated on drawings
M00569918 ↗12 EAST 49TH STREET
MANHATTAN
AlterationSigned-off09/14/202109/29/2021
Design MG ENGINEERING D.P.C.
Owner KATO KAGAKU CO LTC
Contractor ABCO-PEERLESS SPRKLR CORP
Filer ARCHETYPE CONSULTANTS, INC.
Sprinkler work on the 29th floor as indicated on drawings.
M00227879 ↗12 EAST 49TH STREET
MANHATTAN
AlterationPermit Issued12/13/201903/19/2021
Design COSENTINI ASSOCIATES
Owner KATO KAGAKU CO LTC
Contractor M&T PLBG AND HTG CO., INC
Filer WILLIAM VITACCO ASSOCIATES
Plumbing work as shown on plans.
M00404592 ↗12 EAST 49TH STREET
MANHATTAN
AlterationSigned-off11/02/202011/10/2020
Design MG ENGINEERING D.P.C.
Owner KATO KAGAKU CO LTC
Contractor TRISTATE PLBG SVCS CORP
Filer ARCHETYPE CONSULTANTS, INC.
Plumbing work on the 30th floor as indicated on drawings
M00404578 ↗12 EAST 49TH STREET
MANHATTAN
AlterationSigned-off11/02/202011/05/2020
Design MG ENGINEERING D.P.C.
Owner KATO KAGAKU CO LTC
Contractor UNITY CONSTRUCTION GROUP
Filer ARCHETYPE CONSULTANTS, INC.
Mechanical work on the 30th floor as indicated on drawings.
M00287712 ↗12 EAST 49TH STREET
MANHATTAN
AlterationSigned-off01/28/202007/23/2020
Design MG ENGINEERING D.P.C.
Owner KATO KAGAKU CO LTC
Contractor PAR PLUMBING CO., INC
Filer ARCHETYPE CONSULTANTS, INC.
removal of plumbing fixtures and capping of piping on the 30th floor
M00287705 ↗12 EAST 49TH STREET
MANHATTAN
AlterationSigned-off01/28/202004/06/2020
Design MG ENGINEERING D.P.C.
Owner KATO KAGAKU CO LTC
Contractor TRI-STAR CONSTRUCTION COR
Filer ARCHETYPE CONSULTANTS, INC.
removal of mechanical ductwork on the 30th floor as indicated on drawings.
M00227868 ↗12 EAST 49TH STREET
MANHATTAN
AlterationPermit Issued12/13/201903/03/2020
Design COSENTINI ASSOCIATES
Owner KATO KAGAKU CO LTC
Contractor HUDSON BLACK INC
Filer WILLIAM VITACCO ASSOCIATES
Mechanical work as shown on plans.
M00227887 ↗12 EAST 49TH STREET
MANHATTAN
AlterationPermit Issued12/30/201902/04/2020
Design COSENTINI ASSOCIATES
Owner KATO KAGAKU CO LTC
Contractor AGGRESSIVE FIRE PROT LLC
Filer WILLIAM VITACCO ASSOCIATES
Removal of existing sprinkler heads and installation of temporary loop.
M00264617 ↗12 EAST 49TH STREET
MANHATTAN
AlterationSigned-off12/04/201901/07/2020
Design MG ENGINEERING D.P.C.
Owner KATO KAGAKU CO LTC
Contractor UNITY CONSTRUCTION GROUP
Filer ARCHETYPE CONSULTANTS, INC.
Mechanical work on the 44th floor (Echo Street Capital) as indicated on drawings.
M00264626 ↗12 EAST 49TH STREET
MANHATTAN
AlterationSigned-off12/04/201901/06/2020
Design MG ENGINEERING D.P.C.
Owner KATO KAGAKU CO LTC
Contractor PAR PLUMBING CO., INC
Filer ARCHETYPE CONSULTANTS, INC.
Plumbing work on the 44th floor (Echo Street Capital) as indicated on drawings.
M00264635 ↗12 EAST 49TH STREET
MANHATTAN
AlterationSigned-off12/04/201901/06/2020
Design MG ENGINEERING D.P.C.
Owner KATO KAGAKU CO LTC
Contractor LAWRENCE J. LEVINE
Filer ARCHETYPE CONSULTANTS, INC.
Sprinkler work on the 44th floor (Echo Street Capital) as indicated on drawings
Click a row for this entity's own projects, plans and documents at that building.
BuildingFilingsMost Recent
12 EAST 49TH STREET ↗5209/14/2026
▾Documents — 466 on file (BIS + DOB NOW)
▸Plans & Drawings75
▸DOB NOWPlans/Sketch59
10/04/2026M01438024-I1 · 12 EAST 49TH STREETRequest digital key ↗
10/04/2026M01438024-S4 · 12 EAST 49TH STREETRequest digital key ↗
10/04/2026M01438024-S3 · 12 EAST 49TH STREETRequest digital key ↗
Showing 3 of 59 on file for this type
▸DOB NOWPlans/Sketch - Mechanical Systems7
09/05/2026M00287705-I1 · 12 EAST 49TH STREETRequest digital key ↗
09/05/2026M00264617-P2 · 12 EAST 49TH STREETRequest digital key ↗
09/05/2026M00264617-I1 · 12 EAST 49TH STREETRequest digital key ↗
Showing 3 of 7 on file for this type
▸DOB NOWPlans/Sketch - Plumbing5
09/05/2026M00264626-I1 · 12 EAST 49TH STREETRequest digital key ↗
09/05/2026M00287712-I1 · 12 EAST 49TH STREETRequest digital key ↗
09/05/2026M00227879-I1 · 12 EAST 49TH STREETRequest digital key ↗
Showing 3 of 5 on file for this type
▸DOB NOWPlans/Sketch - Sprinkler4
09/05/2026M00264635-I1 · 12 EAST 49TH STREETRequest digital key ↗
09/04/2026M00227887-I1 · 12 EAST 49TH STREETRequest digital key ↗
08/15/2026M00227887-P1 · 12 EAST 49TH STREETRequest digital key ↗
Showing 3 of 4 on file for this type
▸Seals & Professional Certifications315
▸DOB NOWProgress Inspector Seal & Signature150
10/04/2026M00880264-P1 · 12 EAST 49TH STREETOpen ↗
09/27/2026M00943582-I1 · 12 EAST 49TH STREETOpen ↗
09/27/2026M00943582-I1 · 12 EAST 49TH STREETOpen ↗
Showing 3 of 150 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature90
09/28/2026M00227887-P1 · 12 EAST 49TH STREETOpen ↗
09/27/2026M00943582-I1 · 12 EAST 49TH STREETOpen ↗
09/27/2026M00943582-I1 · 12 EAST 49TH STREETOpen ↗
Showing 3 of 90 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature75
09/05/2026M00264635-I1 · 12 EAST 49TH STREETOpen ↗
09/05/2026M00264635-P1 · 12 EAST 49TH STREETOpen ↗
09/05/2026M00287712-I1 · 12 EAST 49TH STREETOpen ↗
Showing 3 of 75 on file for this type
▸Environmental & Asbestos73
▸DOB NOWDEP ACP-5: Asbestos Assessment Report73
09/05/2026M00264635-P1 · 12 EAST 49TH STREETOpen ↗
09/05/2026M00264635-I1 · 12 EAST 49TH STREETOpen ↗
09/05/2026M00287712-I1 · 12 EAST 49TH STREETOpen ↗
Showing 3 of 73 on file for this type
▸Energy Compliance3
▸DOB NOWEN2: As Built Energy Analysis.3
09/03/2026M00593764-I1 · 12 EAST 49TH STREETOpen ↗
08/13/2026M00593421-I1 · 12 EAST 49TH STREETOpen ↗
09/03/2026M00626569-I1 · 12 EAST 49TH STREETOpen ↗