← Back
Entity
IBM
Tenant
MANHATTAN · 15
1 building
15
Total Filings
15
Projects on File
1
Buildings Worked
0
Projects w/ Open Permits
Tenant
Primary Trade
Activity
Projects by first filing month15 projects all-time
051015May '23 · 13Jun '23 · 1Dec '25 · 120242025
bars = month · line = 3-mo average
Portfolio status
Browse projects →
Signed off15100%
By project type
Alteration15
Most active buildings
All buildings →
1 MADISON AVENUEMANHATTAN · latest 12/16/2025
15 projects
Key relationships
Everyone →
Filing representatives
11 projects
Owners
3 projects
Most recent projects
All projects →
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
M01296337 ↗1 MADISON AVENUE
MANHATTAN
AlterationSigned-off12/10/202512/16/2025
Design SEVERUD ASSOCIATES
Owner SL GREEN REALTY CORP
Contractor STRUCTURE TONE, LLC
Filer A1 EXPEDITING SERVICE CORP.
Structural modifications as per plans filed herewith. Operable Partition Support, Concrete Curb + Pad Installation, MEP Opening Framing. No …
M00863540 ↗1 MADISON AVENUE
MANHATTAN
AlterationSigned-off05/08/202304/09/2024
Design RGR LANDSCAPE ARCH. & ARCH., PLLC
Contractor L&K PARTNERS, INC
Filer A1 EXPEDITING SERVICE CORP.
Furnishing and Planting of Terrace space as per plans filed herewith. No change in use, egress, or occupancy.
M00893613 ↗1 MADISON AVENUE
MANHATTAN
AlterationSigned-off06/26/202310/23/2023
Design SYSKA HENNESSY GROUP
Contractor PACE PLUMBING CORP
Filer A1 EXPEDITING SERVICE CORP.
Provide water supply to ground hydrant at terrace level as per plans filed herewith. No change in use, egress or occupancy under this appli…
M00847959 ↗1 MADISON AVENUE
MANHATTAN
AlterationSigned-off05/09/202308/22/2023
Design SEVERUD ASSOCIATES
Contractor L&K PARTNERS, INC
Filer A1 EXPEDITING SERVICE CORP.
Structural modifications as per plans filed herewith. Slab openings, new concrete beams, and steel support for operable partition No change …
M00848691 ↗1 MADISON AVENUE
MANHATTAN
AlterationSigned-off05/09/202308/22/2023
Design SEVERUD ASSOCIATES
Contractor L&K PARTNERS, INC
Structural modifications including slab openings, steel support for escalators, elevators, operable partitions, new concrete beams, and new …
M00848854 ↗1 MADISON AVENUE
MANHATTAN
AlterationSigned-off05/09/202308/22/2023
Design SEVERUD ASSOCIATES
Contractor L&K PARTNERS, INC
Structural modifications as per plans filed herewith. No change in use, egress or occupancy.
Counts cover all 15 projects (15 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
SYSKA HENNESSY GROUP902/18/2025
SEVERUD ASSOCIATES505/11/2026
RGR LANDSCAPE ARCH. & ARCH., PLLC105/03/2024
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
L&K PARTNERS, INC902/18/2025
PACE PLUMBING CORP306/12/2024
ABCO-PEERLESS SPRKLR CORP206/12/2024
PAR FIRE PROTECTION LLC206/18/2024
PAR PLUMBING CO., INC206/18/2024
STRUCTURE TONE, LLC105/11/2026
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
SL GREEN REALTY CORP305/11/2026
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
A1 EXPEDITING SERVICE CORP.1105/11/2026
15 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 15Signed off 15
15 projects
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
M01296337 ↗1 MADISON AVENUE
MANHATTAN
AlterationSigned-off12/10/202512/16/2025
Design SEVERUD ASSOCIATES
Owner SL GREEN REALTY CORP
Contractor STRUCTURE TONE, LLC
Filer A1 EXPEDITING SERVICE CORP.
Structural modifications as per plans filed herewith. Operable Partition Support, Concrete Curb + Pad Installation, MEP Opening Framing. No …
M00863540 ↗1 MADISON AVENUE
MANHATTAN
AlterationSigned-off05/08/202304/09/2024
Design RGR LANDSCAPE ARCH. & ARCH., PLLC
Contractor L&K PARTNERS, INC
Filer A1 EXPEDITING SERVICE CORP.
Furnishing and Planting of Terrace space as per plans filed herewith. No change in use, egress, or occupancy.
M00893613 ↗1 MADISON AVENUE
MANHATTAN
AlterationSigned-off06/26/202310/23/2023
Design SYSKA HENNESSY GROUP
Contractor PACE PLUMBING CORP
Filer A1 EXPEDITING SERVICE CORP.
Provide water supply to ground hydrant at terrace level as per plans filed herewith. No change in use, egress or occupancy under this appli…
M00847959 ↗1 MADISON AVENUE
MANHATTAN
AlterationSigned-off05/09/202308/22/2023
Design SEVERUD ASSOCIATES
Contractor L&K PARTNERS, INC
Filer A1 EXPEDITING SERVICE CORP.
Structural modifications as per plans filed herewith. Slab openings, new concrete beams, and steel support for operable partition No change …
M00848691 ↗1 MADISON AVENUE
MANHATTAN
AlterationSigned-off05/09/202308/22/2023
Design SEVERUD ASSOCIATES
Contractor L&K PARTNERS, INC
Structural modifications including slab openings, steel support for escalators, elevators, operable partitions, new concrete beams, and new …
M00848854 ↗1 MADISON AVENUE
MANHATTAN
AlterationSigned-off05/09/202308/22/2023
Design SEVERUD ASSOCIATES
Contractor L&K PARTNERS, INC
Structural modifications as per plans filed herewith. No change in use, egress or occupancy.
M00848728 ↗1 MADISON AVENUE
MANHATTAN
AlterationSigned-off05/11/202307/18/2023
Design SYSKA HENNESSY GROUP
Contractor ABCO-PEERLESS SPRKLR CORP
Filer A1 EXPEDITING SERVICE CORP.
Modifications to plumbing, standpipe, and sprinklers systems as per plans filed herewith. No change in use, egress, or occupancy.
M00848820 ↗1 MADISON AVENUE
MANHATTAN
AlterationSigned-off05/15/202307/18/2023
Design SYSKA HENNESSY GROUP
Contractor LAWRENCE J. LEVINE
Filer A1 EXPEDITING SERVICE CORP.
Modification to existing Plumbing fixtures, sprinkler, and standpipe as per plans filed herewith. No change in use, egress or occupancy.
M00848866 ↗1 MADISON AVENUE
MANHATTAN
AlterationSigned-off05/11/202307/18/2023
Design SYSKA HENNESSY GROUP
Contractor LAWRENCE J. LEVINE
Filer A1 EXPEDITING SERVICE CORP.
Modification to existing Plumbing fixtures, sprinkler, and standpipe as per plans filed herewith. No change in use, egress or occupancy.
M00863512 ↗1 MADISON AVENUE
MANHATTAN
AlterationSigned-off05/11/202307/18/2023
Design SYSKA HENNESSY GROUP
Contractor ABCO-PEERLESS SPRKLR CORP
Filer A1 EXPEDITING SERVICE CORP.
Modifications to existing plumbing fixtures and sprinkler as per plans filed herewith. No change in use, egress, or occupancy.
M00848679 ↗1 MADISON AVENUE
MANHATTAN
AlterationSigned-off05/11/202307/13/2023
Design SYSKA HENNESSY GROUP
Contractor L&K PARTNERS, INC
Modifications to mechanical systems as per plans filed herewith. No change in use, egress or occupancy.
M00848776 ↗1 MADISON AVENUE
MANHATTAN
AlterationSigned-off05/11/202307/13/2023
Design SYSKA HENNESSY GROUP
Owner SL GREEN REALTY CORP
Contractor L&K PARTNERS, INC
Filer A1 EXPEDITING SERVICE CORP.
Modifications to mechanical systems as per plans filed herewith. No change to use, egress, or occupancy.
M00848782 ↗1 MADISON AVENUE
MANHATTAN
AlterationSigned-off05/04/202307/13/2023
Design SEVERUD ASSOCIATES
Contractor L&K PARTNERS, INC
Structural modifications as per plans filed herewith, topping slab removal, and steel support No change in use, egress or occupancy.
M00847946 ↗1 MADISON AVENUE
MANHATTAN
AlterationSigned-off05/11/202307/12/2023
Design SYSKA HENNESSY GROUP
Contractor L&K PARTNERS, INC
Filer A1 EXPEDITING SERVICE CORP.
Modifications to mechanical systems as per plans filed herewith. No change to use, egress, or occupancy.
M00848851 ↗1 MADISON AVENUE
MANHATTAN
AlterationSigned-off05/11/202307/12/2023
Design SYSKA HENNESSY GROUP
Owner SL GREEN REALTY CORP
Contractor L&K PARTNERS, INC
Filer A1 EXPEDITING SERVICE CORP.
Modification to existing HVAC system as per plans filed herewith. No change in use, egress or occupancy.
Click a row for this entity's own projects, plans and documents at that building.
BuildingFilingsMost Recent
1 MADISON AVENUE ↗1505/11/2026
▾Documents — 160 on file (BIS + DOB NOW)
▸Plans & Drawings33
▸DOB NOWPlans/Sketch33
08/31/2026M00848782-I1 · 1 MADISON AVENUERequest digital key ↗
08/31/2026M00848691-I1 · 1 MADISON AVENUERequest digital key ↗
08/31/2026M00847959-I1 · 1 MADISON AVENUERequest digital key ↗
Showing 3 of 33 on file for this type
▸Seals & Professional Certifications92
▸DOB NOWProgress Inspector Seal & Signature35
09/28/2026M00848776-I1 · 1 MADISON AVENUEOpen ↗
09/28/2026M00848776-I1 · 1 MADISON AVENUEOpen ↗
09/10/2026M00848820-P2 · 1 MADISON AVENUEOpen ↗
Showing 3 of 35 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature33
08/31/2026M00848782-I1 · 1 MADISON AVENUEOpen ↗
08/31/2026M00848854-I1 · 1 MADISON AVENUEOpen ↗
08/31/2026M00848866-P1 · 1 MADISON AVENUEOpen ↗
Showing 3 of 33 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature24
09/28/2026M00848776-I1 · 1 MADISON AVENUEOpen ↗
09/10/2026M00848820-P2 · 1 MADISON AVENUEOpen ↗
09/02/2026M00848776-P1 · 1 MADISON AVENUEOpen ↗
Showing 3 of 24 on file for this type
▸Environmental & Asbestos33
▸DOB NOWDEP ACP-5: Asbestos Assessment Report33
08/31/2026M00848782-I1 · 1 MADISON AVENUEOpen ↗
08/31/2026M00848854-I1 · 1 MADISON AVENUEOpen ↗
08/31/2026M00848866-P1 · 1 MADISON AVENUEOpen ↗
Showing 3 of 33 on file for this type
▸Energy Compliance2
▸DOB NOWPreliminary Commissioning Report Certification2
08/13/2026M00847946-I1 · 1 MADISON AVENUEOpen ↗
08/13/2026M00848679-I1 · 1 MADISON AVENUEOpen ↗