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Entity
Alvarez & Marsal
Tenant
1 project with open permitsMANHATTAN · 13
2 buildings
13
Total Filings
13
Projects on File
2
Buildings Worked
1
Projects w/ Open Permits
Tenant
Primary Trade
Activity
Projects by first filing month13 projects all-time
0369Sep '19 · 3Jun '25 · 1Jul '25 · 8Nov '25 · 1202020212022202320242025
bars = month · line = 3-mo average
Portfolio status
Browse projects →
Open permit18%
Signed off1185%
Filed only18%
By project type
Alteration11
Alteration CO1
No Work1
Most active buildings
All buildings →
100 PARK AVENUEMANHATTAN · 1 open · latest 05/19/2026
10 projects
600 MADISON AVENUEMANHATTAN · latest 12/24/2019
3 projects
Key relationships
Everyone →
Filing representatives
8 projects
Owners
8 projects
3 projects
Most recent projects
All projects →
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
M01205703 ↗100 PARK AVENUE
MANHATTAN
Alteration COPermit Issued06/13/202505/19/2026
Design Spectorgroup Architecture LLP
Owner SL GREEN REALTY CORP
Contractor CLUNE CONSTRUCTION CO LP
Filer A1 EXPEDITING SERVICE CORP.
Filing herewith for a change in use on the 9th floor as per plans filed herewith.
M01202096 ↗100 PARK AVENUE
MANHATTAN
No WorkFiled — no permit on record11/17/2025—
Design Spectorgroup Architecture LLP
—
M01240271 ↗100 PARK AVENUE
MANHATTAN
AlterationSigned-off07/25/202508/01/2025
Design ROBERT DERECTOR ASSOCIATES
Owner SL GREEN REALTY CORP
Contractor ABCO-PEERLESS SPRKLR CORP
Filer A1 EXPEDITING SERVICE CORP.
Modification to existing sprinkler system and installation of plumbing fixtures as per plans filed herewith.
M01241566 ↗100 PARK AVENUE
MANHATTAN
AlterationSigned-off07/25/202508/01/2025
Design ROBERT DERECTOR ASSOCIATES
Owner SL GREEN REALTY CORP
Contractor ABCO-PEERLESS SPRKLR CORP
Filer A1 EXPEDITING SERVICE CORP.
Modification and Instsllation of sprinkler heads, fire hose cabintet and plumbing fixtures as per plans filed herewith.
M01241690 ↗100 PARK AVENUE
MANHATTAN
AlterationSigned-off07/25/202508/01/2025
Design ROBERT DERECTOR ASSOCIATES
Owner SL GREEN REALTY CORP
Contractor ABCO-PEERLESS SPRKLR CORP
Filer A1 EXPEDITING SERVICE CORP.
Modification to existing sprinkler system, standpipe work and installation of plumbing fixtures as per plans filed herewith.
M01205393 ↗100 PARK AVENUE
MANHATTAN
AlterationSigned-off07/29/202507/30/2025
Design Spectorgroup Architecture LLP
Owner SL GREEN REALTY CORP
Contractor CLUNE CONSTRUCTION CO LP
Filer A1 EXPEDITING SERVICE CORP.
Filing herewith for office renovation with new conferences rooms, reception area and open workstations as per plans
Counts cover all 13 projects (13 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
ROBERT DERECTOR ASSOCIATES707/15/2026
Spectorgroup Architecture LLP411/17/2025
GILSANZ MURRAY STEFICEK LLP107/25/2025
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
CLUNE CONSTRUCTION CO LP607/29/2025
ABCO-PEERLESS SPRKLR CORP307/15/2026
LAB PLBG & HTG CO INC307/15/2026
JT MAGEN & COMPANY INC209/16/2019
ASHLAND PLUMBING CORP109/16/2019
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
SL GREEN REALTY CORP807/15/2026
RUBEN COMPANIES309/16/2019
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
A1 EXPEDITING SERVICE CORP.807/15/2026
13 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 13Open permit 1Signed off 11Filed only 1
Any typeAlteration 11Alteration CO 1No Work 1
13 projects
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
M01205703 ↗100 PARK AVENUE
MANHATTAN
Alteration COPermit Issued06/13/202505/19/2026
Design Spectorgroup Architecture LLP
Owner SL GREEN REALTY CORP
Contractor CLUNE CONSTRUCTION CO LP
Filer A1 EXPEDITING SERVICE CORP.
Filing herewith for a change in use on the 9th floor as per plans filed herewith.
M01202096 ↗100 PARK AVENUE
MANHATTAN
No WorkFiled — no permit on record11/17/2025—
Design Spectorgroup Architecture LLP
—
M01240271 ↗100 PARK AVENUE
MANHATTAN
AlterationSigned-off07/25/202508/01/2025
Design ROBERT DERECTOR ASSOCIATES
Owner SL GREEN REALTY CORP
Contractor ABCO-PEERLESS SPRKLR CORP
Filer A1 EXPEDITING SERVICE CORP.
Modification to existing sprinkler system and installation of plumbing fixtures as per plans filed herewith.
M01241566 ↗100 PARK AVENUE
MANHATTAN
AlterationSigned-off07/25/202508/01/2025
Design ROBERT DERECTOR ASSOCIATES
Owner SL GREEN REALTY CORP
Contractor ABCO-PEERLESS SPRKLR CORP
Filer A1 EXPEDITING SERVICE CORP.
Modification and Instsllation of sprinkler heads, fire hose cabintet and plumbing fixtures as per plans filed herewith.
M01241690 ↗100 PARK AVENUE
MANHATTAN
AlterationSigned-off07/25/202508/01/2025
Design ROBERT DERECTOR ASSOCIATES
Owner SL GREEN REALTY CORP
Contractor ABCO-PEERLESS SPRKLR CORP
Filer A1 EXPEDITING SERVICE CORP.
Modification to existing sprinkler system, standpipe work and installation of plumbing fixtures as per plans filed herewith.
M01205393 ↗100 PARK AVENUE
MANHATTAN
AlterationSigned-off07/29/202507/30/2025
Design Spectorgroup Architecture LLP
Owner SL GREEN REALTY CORP
Contractor CLUNE CONSTRUCTION CO LP
Filer A1 EXPEDITING SERVICE CORP.
Filing herewith for office renovation with new conferences rooms, reception area and open workstations as per plans
M01240024 ↗100 PARK AVENUE
MANHATTAN
AlterationSigned-off07/25/202507/30/2025
Design GILSANZ MURRAY STEFICEK LLP
Owner SL GREEN REALTY CORP
Contractor CLUNE CONSTRUCTION CO LP
Filer A1 EXPEDITING SERVICE CORP.
Support for folding partition
M01241679 ↗100 PARK AVENUE
MANHATTAN
AlterationSigned-off07/29/202507/30/2025
Design Spectorgroup Architecture LLP
Owner SL GREEN REALTY CORP
Contractor CLUNE CONSTRUCTION CO LP
Filer A1 EXPEDITING SERVICE CORP.
New office renovation with new offices, open work areas, conference rooms and pantries.
M01240740 ↗100 PARK AVENUE
MANHATTAN
AlterationSigned-off07/25/202507/28/2025
Contractor CLUNE CONSTRUCTION CO LP
Modification to existing HVAC system as per plans filed herewith.
M01241624 ↗100 PARK AVENUE
MANHATTAN
AlterationSigned-off07/25/202507/28/2025
Design ROBERT DERECTOR ASSOCIATES
Owner SL GREEN REALTY CORP
Contractor CLUNE CONSTRUCTION CO LP
Filer A1 EXPEDITING SERVICE CORP.
Modification to existing HVAC system as per plans filed herewith.
M00222270 ↗600 MADISON AVENUE
MANHATTAN
AlterationSigned-off09/16/201912/24/2019
Design ROBERT DERECTOR ASSOCIATES
Owner RUBEN COMPANIES
Contractor ASHLAND PLUMBING CORP
Filer RIZZO GROUP
Modifications to the existing plumbing system on the 3rd, 5th, 7th and 9th floors (Alvarez & Marsal- Phase 1) as per plans. No change to us…
M00222366 ↗600 MADISON AVENUE
MANHATTAN
AlterationSigned-off09/16/201910/03/2019
Design ROBERT DERECTOR ASSOCIATES
Owner RUBEN COMPANIES
Contractor JT MAGEN & COMPANY INC
Filer RIZZO GROUP
Modifications to the existing HVAC system on the 6th, 8th and 10th floors (Alvarez & Marsal- Phase 2) as per plans. No change to use, egres…
M00222256 ↗600 MADISON AVENUE
MANHATTAN
AlterationSigned-off09/16/201909/18/2019
Design ROBERT DERECTOR ASSOCIATES
Owner RUBEN COMPANIES
Contractor JT MAGEN & COMPANY INC
Filer RIZZO GROUP
Modifications to the existing HVAC system on the 3rd, 5th, 7th and 9th floors (Alvarez & Marsal-Phase 1) as per plans. No change to use, eg…
Click a row for this entity's own projects, plans and documents at that building.
BuildingFilingsMost Recent
100 PARK AVENUE ↗1007/15/2026
600 MADISON AVENUE ↗309/16/2019
▾Documents — 87 on file (BIS + DOB NOW)
▸Plans & Drawings18
▸DOB NOWPlans/Sketch14
08/23/2026M01205703-I1 · 100 PARK AVENUERequest digital key ↗
08/22/2026M01240740-I1 · 100 PARK AVENUERequest digital key ↗
08/22/2026M01240024-I1 · 100 PARK AVENUERequest digital key ↗
Showing 3 of 14 on file for this type
▸DOB NOWPlans/Sketch - Mechanical Systems2
09/05/2026M00222256-I1 · 600 MADISON AVENUERequest digital key ↗
09/05/2026M00222366-I1 · 600 MADISON AVENUERequest digital key ↗
▸DOB NOWPlans/Sketch - Place of Assembly1
08/20/2026M01202096-I1 · 100 PARK AVENUERequest digital key ↗
▸DOB NOWPlans/Sketch - Plumbing1
09/05/2026M00222270-I1 · 600 MADISON AVENUERequest digital key ↗
▸Zoning, Tax Lot & Property Records1
▸DOB NOWHouse Number Verification: TOPO Stamp1
08/13/2026M01205703-I1 · 100 PARK AVENUEOpen ↗
▸Seals & Professional Certifications48
▸DOB NOWDPL-1: Design Professional Seal & Signature19
09/05/2026M00222256-I1 · 600 MADISON AVENUEOpen ↗
08/23/2026M01205703-I1 · 100 PARK AVENUEOpen ↗
08/22/2026M01240740-I1 · 100 PARK AVENUEOpen ↗
Showing 3 of 19 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature17
09/30/2026M01241690-P2 · 100 PARK AVENUEOpen ↗
09/23/2026M01241624-I1 · 100 PARK AVENUEOpen ↗
09/05/2026M01240271-I1 · 100 PARK AVENUEOpen ↗
Showing 3 of 17 on file for this type
▸DOB NOWProgress Inspector Seal & Signature12
09/23/2026M01241624-I1 · 100 PARK AVENUEOpen ↗
09/23/2026M01241624-I1 · 100 PARK AVENUEOpen ↗
09/05/2026M01205393-I1 · 100 PARK AVENUEOpen ↗
Showing 3 of 12 on file for this type
▸Safety & Tenant Protection1
▸DOB NOWStreet Tree Checklist1
08/13/2026M01205703-I1 · 100 PARK AVENUEOpen ↗
▸Environmental & Asbestos17
▸DOB NOWDEP ACP-5: Asbestos Assessment Report17
09/05/2026M00222256-I1 · 600 MADISON AVENUEOpen ↗
08/23/2026M01205703-I1 · 100 PARK AVENUEOpen ↗
08/22/2026M01240740-I1 · 100 PARK AVENUEOpen ↗
Showing 3 of 17 on file for this type
▸Other Documents2
▸DOB NOWProperty Ownership Certification1
08/23/2026M01205703-I1 · 100 PARK AVENUEOpen ↗
▸DOB NOWAlternate Plan 11
08/20/2026M01202096-I1 · 100 PARK AVENUEOpen ↗