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Entity
Citadel
Tenant · filed under 4 names
10 projects with open permitsMANHATTAN · 117
3 buildings
117
Total Filings
117
Projects on File
4
Buildings Worked
10
Projects w/ Open Permits
Tenant
Primary Trade
Activity
Projects by first filing month117 projects all-time
04913Dec '19 · 2Jul '20 · 11Aug '21 · 1Jun '22 · 5Jul '22 · 4Aug '22 · 3Sep '22 · 5Oct '22 · 1Nov '22 · 6Jan '23 · 1Feb '23 · 1Mar '23 · 1May '23 · 3Aug '23 · 1Sep '23 · 9Oct '23 · 4Jan '24 · 5Apr '24 · 1May '24 · 2Jun '24 · 2Aug '24 · 6Sep '24 · 3Oct '24 · 1Nov '24 · 2Dec '24 · 9Feb '25 · 12Apr '25 · 7Jun '25 · 1Aug '25 · 2Oct '25 · 1Nov '25 · 2Mar '26 · 1Jun '26 · 22020202120222023202420252026
bars = month · line = 3-mo average
Portfolio status
Browse projects →
Open permit109%
Signed off9682%
Filed only119%
By project type
Alteration110
No Work7
Most active buildings
All buildings →
425 PARK AVENUEMANHATTAN · 7 open · latest 08/13/2026
63 projects
666 5 AVENUEMANHATTAN · 3 open · latest 06/18/2026
34 projects
350 PARK AVENUEMANHATTAN · latest 08/21/2024
20 projects
Key relationships
Everyone →
Design firms
33 projects
19 projects
16 projects
Filing representatives
Filed under
Citadel113Citadel ATS2Citadel New York1The Citadel1
Identified by the contact ids of the people who file for the firm and by its email domain, not by matching names.
Most recent projects
All projects →
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
M01408873 ↗425 PARK AVENUE
MANHATTAN
AlterationSigned-off06/10/202608/13/2026GENERAL CONSTRUCTION WORK TAKING PLACE ON THE 10TH CONSTRUCTION FLOOR (16TH MARKETING) AS PER PLANS FILED HEREWITH. NO CHANGE IN USE, EGRESS…
M01411946 ↗666 5 AVENUE
MANHATTAN
No WorkFiled — no permit on record06/18/2026—
Design GENSLER
—
M01170157 ↗666 5 AVENUE
MANHATTAN
AlterationSigned-off04/22/202505/27/2026
Design GENSLER
Scope of work Removal and installation of exterior storefront. No change to use, egress, or occupancy.
M01197520 ↗666 5 AVENUE
MANHATTAN
AlterationSigned-off04/21/202505/27/2026modification to existing HVAC system as per plans filed herewith. No change in use, egress or occupancy under this application.
M01144110 ↗666 5 AVENUE
MANHATTAN
AlterationSigned-off12/24/202404/07/2026
Contractor MAC FELDER INC
MODIFICATION OF PLUMBING FIXTURES AND SPRINKLER SYSTEM AS PER PLANS FILED HEREWITH, NO CHANGE IN USE, EGRESS OR OCCUPANCY UNDER THIS APPLIC…
M01144084 ↗666 5 AVENUE
MANHATTAN
AlterationSigned-off12/24/202404/06/2026
Contractor MAC FELDER INC
MODIFICATION OF PLUMBING FIXTURES AND SPRINKLER SYSTEM AS PER PLANS FILED HEREWITH, NO CHANGE IN USE, EGRESS OR OCCUPANCY UNDER THIS APPLIC…
Counts cover all 117 projects (117 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
ESD3311/22/2024
GENSLER1908/26/2026
ROBERT DERECTOR ASSOCIATES1807/21/2026
WSP1602/14/2025
JAROS BAUM & BOLLES1409/04/2025
HLW INTERNATIONAL1303/13/2026
AAI ARCHITECTS, P.C.108/08/2022
Brandon M. Socha, Architect106/10/2026
GILSANZ MURRAY STEFICEK LLP101/15/2025
HIGHLAND ASSOCIATES110/09/2025
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
JRM CONSTRUCTION MGMT LLC4308/26/2026
CLUNE CONSTRUCTION CO LP1306/10/2026
MAC FELDER INC805/18/2026
NYC FIRE SPRINKLER CORP607/13/2026
AGGRESSIVE FIRE PROT LLC505/18/2026
LAB PLBG & HTG CO INC502/06/2026
PACE PLUMBING CORP508/19/2024
PAR PLUMBING CO., INC507/13/2026
SHAWMUT WOODWORKING & SUP502/14/2025
SKYLINE FIRE SPRINKLER CO503/11/2025
STRUCTURE TONE, LLC505/22/2024
TOWER FIRE PROTECTION INC309/06/2023
M&T PLBG AND HTG CO., INC202/14/2025
PAR FIRE PROTECTION LLC209/04/2025
SIRINA FIRE PROT CORP211/22/2024
GEORGE BRESLAW PLBNG LLC110/17/2024
MANENGEERING BUREAU INC109/08/2022
REIDY CONTRACTING GROUP103/13/2026
SILVERLINING INTERIORS103/13/2026
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
425 PARK OWNER, LLC3302/14/2025
L&L HOLDING COMPANY LLC1906/10/2026
VORNADO REALTY TRUST1609/04/2025
Who this entity's projects were filed with. Top 25 per group by shared jobs.
NameProjects togetherMost recent
RIZZO GROUP5606/10/2026
A1 EXPEDITING SERVICE CORP.2808/26/2026
117 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 117Open permit 10Signed off 96Filed only 11
Any typeAlteration 110No Work 7
117 projects
ProjectAddressTypeStatusFiledLatest permitOn the projectDescription
M01408873 ↗425 PARK AVENUE
MANHATTAN
AlterationSigned-off06/10/202608/13/2026GENERAL CONSTRUCTION WORK TAKING PLACE ON THE 10TH CONSTRUCTION FLOOR (16TH MARKETING) AS PER PLANS FILED HEREWITH. NO CHANGE IN USE, EGRESS…
M01411946 ↗666 5 AVENUE
MANHATTAN
No WorkFiled — no permit on record06/18/2026—
Design GENSLER
—
M01170157 ↗666 5 AVENUE
MANHATTAN
AlterationSigned-off04/22/202505/27/2026
Design GENSLER
Scope of work Removal and installation of exterior storefront. No change to use, egress, or occupancy.
M01197520 ↗666 5 AVENUE
MANHATTAN
AlterationSigned-off04/21/202505/27/2026modification to existing HVAC system as per plans filed herewith. No change in use, egress or occupancy under this application.
M01144110 ↗666 5 AVENUE
MANHATTAN
AlterationSigned-off12/24/202404/07/2026
Contractor MAC FELDER INC
MODIFICATION OF PLUMBING FIXTURES AND SPRINKLER SYSTEM AS PER PLANS FILED HEREWITH, NO CHANGE IN USE, EGRESS OR OCCUPANCY UNDER THIS APPLIC…
M01144084 ↗666 5 AVENUE
MANHATTAN
AlterationSigned-off12/24/202404/06/2026
Contractor MAC FELDER INC
MODIFICATION OF PLUMBING FIXTURES AND SPRINKLER SYSTEM AS PER PLANS FILED HEREWITH, NO CHANGE IN USE, EGRESS OR OCCUPANCY UNDER THIS APPLIC…
M01373853 ↗666 5 AVENUE
MANHATTAN
No WorkFiled — no permit on record03/26/2026—
Design GENSLER
—
M01144007 ↗666 5 AVENUE
MANHATTAN
AlterationSigned-off02/28/202503/03/2026modification to existing HVAC system as per plans filed herewith. No change in use, egress or occupancy under this application.
M01170132 ↗666 5 AVENUE
MANHATTAN
AlterationPermit Issued02/25/202503/03/2026
Design GENSLER
Removal and installation of non bearing partitions and related finishes as per plans filed herewith. No change in use, egress or occupancy u…
M01144020 ↗666 5 AVENUE
MANHATTAN
AlterationPermit Issued02/03/202502/02/2026modification to existing HVAC system as per plans filed herewith. No change in use, egress or occupancy under this application.
M01144059 ↗666 5 AVENUE
MANHATTAN
AlterationSigned-off02/03/202502/02/2026modification to existing HVAC system as per plans filed herewith. No change in use, egress or occupancy under this application.
M01144478 ↗666 5 AVENUE
MANHATTAN
AlterationSigned-off12/24/202401/14/2026
Design GENSLER
Scope of work Construction of interior non-loadbearing partitions and related doors. No change to use, egress, or occupancy.
M00529225 ↗425 PARK AVENUE
MANHATTAN
AlterationSigned-off08/04/202112/15/2025GENERAL CONSTRUCTION ON THE 41ST CONSTRUCTION FLOOR (47TH MARKETING) AS PER PLANS FILED HEREWITH. NO CHANGE IN USE, EGRESS, OR OCCUPANCY.
M01230463 ↗666 5 AVENUE
MANHATTAN
AlterationSigned-off08/05/202511/18/2025modification to existing HVAC system as per plans filed herewith. No change in use, egress or occupancy under this application.
M01283870 ↗666 5 AVENUE
MANHATTAN
No WorkFiled — no permit on record11/06/2025—
Design GENSLER
—
M01283884 ↗666 5 AVENUE
MANHATTAN
No WorkFiled — no permit on record11/06/2025—
Design GENSLER
—
M01144116 ↗666 5 AVENUE
MANHATTAN
AlterationSigned-off12/24/202410/23/2025MODIFICATION OF PLUMBING FIXTURES AND SPRINKLER SYSTEM AS PER PLANS FILED HEREWITH, NO CHANGE IN USE, EGRESS OR OCCUPANCY UNDER THIS APPLIC…
M01147615 ↗666 5 AVENUE
MANHATTAN
AlterationSigned-off12/24/202410/23/2025MODIFICATION OF PLUMBING FIXTURES AND SPRINKLER SYSTEM AS PER PLANS FILED HEREWITH, NO CHANGE IN USE, EGRESS OR OCCUPANCY UNDER THIS APPLIC…
M01276337 ↗425 PARK AVENUE
MANHATTAN
AlterationSigned-off10/09/202510/17/2025GENERAL CONSTRUCTION MODIFICATIONS TAKING PLACE ON THE 11TH CONSTRUCTION FLOOR (17TH MARKETING) AS PER PLANS FILED HEREWITH. NO CHANGE IN US…
M01229406 ↗666 5 AVENUE
MANHATTAN
AlterationSigned-off06/25/202510/16/2025
Design GENSLER
Removal and installation of non bearing partitions and related finishes as per plans filed herewith. No change in use, egress or occupancy u…
M08024878 ↗425 PARK AVENUE
MANHATTAN
AlterationSigned-off11/04/202209/02/2025
Design ESD
PLUMBING MODIFICATIONS TAKING PLACE ON THE 39TH, 40TH FLOOR CONSTRUCTION (45TH, 46TH FLOOR MARKETING) AS PER PLANS FILED HEREWITH. NO CHANGE…
M01257773 ↗425 PARK AVENUE
MANHATTAN
No WorkFiled — no permit on record08/04/2025——
M01147625 ↗666 5 AVENUE
MANHATTAN
AlterationSigned-off12/24/202407/09/2025MODIFICATION OF PLUMBING FIXTURES AND SPRINKLER SYSTEM AS PER PLANS FILED HEREWITH, NO CHANGE IN USE, EGRESS OR OCCUPANCY UNDER THIS APPLIC…
M01163839 ↗666 5 AVENUE
MANHATTAN
AlterationSigned-off02/10/202507/07/2025Installation of pre-action sprinkler system as per plans filed herewith. No change in use, egress or occupancy under this application
M01197529 ↗666 5 AVENUE
MANHATTAN
AlterationSigned-off04/21/202507/07/2025MODIFICATION OF PLUMBING FIXTURES AND SPRINKLER SYSTEM AS PER PLANS FILED HEREWITH, NO CHANGE IN USE, EGRESS OR OCCUPANCY UNDER THIS APPLIC…
M01147636 ↗666 5 AVENUE
MANHATTAN
AlterationSigned-off04/21/202507/01/2025modification to existing HVAC system as per plans filed herewith. No change in use, egress or occupancy under this application.
M01170162 ↗666 5 AVENUE
MANHATTAN
AlterationSigned-off04/22/202507/01/2025
Design GENSLER
Removal and installation of non bearing partitions and related finishes as per plans filed herewith. No change in use, egress or occupancy u…
M01163898 ↗666 5 AVENUE
MANHATTAN
AlterationSigned-off02/10/202506/25/2025Installation of pre-action sprinkler system as per plans filed herewith. No change in use, egress or occupancy under this application
M01170143 ↗666 5 AVENUE
MANHATTAN
AlterationSigned-off04/22/202505/06/2025
Design GENSLER
Removal and installation of non bearing partitions and related finishes as per plans filed herewith. No change in use, egress or occupancy u…
M01189087 ↗425 PARK AVENUE
MANHATTAN
No WorkFiled — no permit on record04/28/2025——
M01144491 ↗666 5 AVENUE
MANHATTAN
AlterationSigned-off12/27/202404/21/2025Structural modification as per plans filed herewith. No change in use, egress or occupancy under this application.
M01144068 ↗666 5 AVENUE
MANHATTAN
AlterationSigned-off12/24/202404/14/2025MODIFICATION OF PLUMBING FIXTURES AND SPRINKLER SYSTEM AS PER PLANS FILED HEREWITH, NO CHANGE IN USE, EGRESS OR OCCUPANCY UNDER THIS APPLIC…
M01144077 ↗666 5 AVENUE
MANHATTAN
AlterationSigned-off12/24/202404/14/2025MODIFICATION OF PLUMBING FIXTURES AND SPRINKLER SYSTEM AS PER PLANS FILED HEREWITH, NO CHANGE IN USE, EGRESS OR OCCUPANCY UNDER THIS APPLIC…
M01170137 ↗666 5 AVENUE
MANHATTAN
AlterationSigned-off02/25/202503/05/2025
Design GENSLER
Removal and installation of non bearing partitions and related finishes as per plans filed herewith. No change in use, egress or occupancy u…
M01143982 ↗666 5 AVENUE
MANHATTAN
AlterationSigned-off02/28/202503/04/2025modification to existing HVAC system as per plans filed herewith. No change in use, egress or occupancy under this application.
M01144012 ↗666 5 AVENUE
MANHATTAN
AlterationPermit Issued02/28/202503/04/2025modification to existing HVAC system as per plans filed herewith. No change in use, egress or occupancy under this application.
M01170134 ↗666 5 AVENUE
MANHATTAN
AlterationSigned-off02/25/202503/04/2025
Design GENSLER
Removal and installation of non bearing partitions and related finishes as per plans filed herewith. No change in use, egress or occupancy u…
M01170152 ↗666 5 AVENUE
MANHATTAN
AlterationSigned-off02/25/202503/04/2025
Design GENSLER
Removal and installation of non bearing partitions and related finishes as per plans filed herewith. No change in use, egress or occupancy u…
M01170141 ↗666 5 AVENUE
MANHATTAN
AlterationSigned-off02/25/202503/03/2025
Design GENSLER
Removal and installation of non bearing partitions and related finishes as per plans filed herewith. No change in use, egress or occupancy u…
M00853437 ↗425 PARK AVENUE
MANHATTAN
AlterationSigned-off05/16/202302/19/2025
Design WSP
MECHANICAL MODIFICATIONS TAKING PLACE ON THE 23RD FLOOR CONSTRUCTION (29TH FLOOR MARKETING) AS PER PLANS FILED HEREWITH. NO CHANGE IN USE, E…
M01044697 ↗425 PARK AVENUE
MANHATTAN
AlterationSigned-off08/02/202401/30/2025
Design ESD
SPRINKLER MODIFICATIONS TAKING PLACE ON THE 6TH FLOOR CONSTRUCTION (11TH FLOOR MARKETING) AS PER PLANS FILED HEREWITH. NO CHANGE IN USE, EGR…
M00921757 ↗425 PARK AVENUE
MANHATTAN
AlterationPermit Issued09/25/202301/07/2025
Design ESD
Contractor MAC FELDER INC
PLUMBING MODIFICATIONS TAKING PLACE ON THE 6TH AND 7TH FLOORS CONSTRUCTION (11TH & 12TH FLOORS MARKETING) AS PER PLANS FILED HEREWITH. NO CH…
M01025258 ↗425 PARK AVENUE
MANHATTAN
AlterationFiled — no permit on record11/22/2024——
M01025291 ↗425 PARK AVENUE
MANHATTAN
AlterationFiled — no permit on record11/22/2024—
Design ESD
—
M01130283 ↗666 5 AVENUE
MANHATTAN
AlterationSigned-off10/28/202411/01/2024
Design GENSLER
Installation of non bearing walls and finishes for a temporary office mockup as per plans filed herewith. No change in use, egress or occup…
M00853453 ↗425 PARK AVENUE
MANHATTAN
AlterationSigned-off05/15/202310/23/2024
Design WSP
SPRINKLER MODIFICATIONS TAKING PLACE ON THE 23RD FLOOR CONSTRUCTION (29TH FLOOR MARKETING) AS PER PLANS FILED HEREWITH. NO CHANGE IN USE, EG…
M00853448 ↗425 PARK AVENUE
MANHATTAN
AlterationSigned-off05/16/202310/08/2024
Design WSP
PLUMBING MODIFICATIONS TAKING PLACE ON THE 23RD FLOOR CONSTRUCTION (29TH FLOOR MARKETING) AS PER PLANS FILED HEREWITH. NO CHANGE IN USE, EGR…
M01106115 ↗425 PARK AVENUE
MANHATTAN
AlterationPermit Issued09/30/202410/04/2024
Design ESD
MECHANICAL MODIFICATIONS TAKING PLACE ON THE 4TH CONSTRUCTION FLOOR (9TH MARKETING FLOOR) AS PER PLANS FILED HEREWITH. NO CHANGE IN USE, EGR…
M01106120 ↗425 PARK AVENUE
MANHATTAN
AlterationFiled — no permit on record09/30/2024—
Design ESD
—
M01035295 ↗425 PARK AVENUE
MANHATTAN
AlterationSigned-off08/14/202409/19/2024GENERAL CONSTRUCTION MODIFICATIONS TAKING PLACE ON THE 6TH CONSTRUCTION FLOOR (11TH MARKETING FLOOR) AS PER PLANS FILED HEREWITH. NO CHANGE …
M01044693 ↗425 PARK AVENUE
MANHATTAN
AlterationSigned-off08/28/202409/19/2024
Design ESD
MECHANICAL MODIFICATIONS TAKING PLACE ON THE 6TH FLOOR CONSTRUCTION (11TH FLOOR MARKETING) AS PER PLANS FILED HEREWITH. NO CHANGE IN USE, EG…
M01080838 ↗425 PARK AVENUE
MANHATTAN
No WorkFiled — no permit on record09/05/2024——
M01086461 ↗425 PARK AVENUE
MANHATTAN
AlterationSigned-off08/26/202408/28/2024GENERAL CONSTRUCTION MODIFICATIONS TAKING PLACE ON THE 3RD CONSTRUCTION FLOOR (8TH MARKETING FLOOR) AS PER PLANS FILED HEREWITH. NO CHANGE I…
M01086469 ↗425 PARK AVENUE
MANHATTAN
AlterationSigned-off08/27/202408/28/2024
Design ESD
MECHANICAL MODIFICATIONS TAKING PLACE ON THE 3RD CONSTRUCTION FLOOR (8TH MARKETING FLOOR) AS PER PLANS FILED HEREWITH. NO CHANGE IN USE, EGR…
M01086486 ↗425 PARK AVENUE
MANHATTAN
AlterationFiled — no permit on record08/27/2024—
Design ESD
—
M00920453 ↗350 PARK AVENUE
MANHATTAN
AlterationSigned-off09/14/202308/21/2024
Design GENSLER
GENERAL CONSTRUCTION ON THE 5TH, 6TH AND 9TH FLOORS AS PLANS FILED HEREWITH. NO CHANGE IN USE, EGRESS, OR OCCUPANCY.
M00920476 ↗350 PARK AVENUE
MANHATTAN
AlterationSigned-off09/14/202308/21/2024MECHANICAL WORK ON THE 5TH, 6TH AND 9TH FLOORS AS PLANS FILED HEREWITH. NO CHANGE IN USE, EGRESS, OR OCCUPANCY.
M00934648 ↗350 PARK AVENUE
MANHATTAN
AlterationSigned-off10/10/202308/21/2024
Design GENSLER
GENERAL CONSTRUCTION ON THE 5TH, 6TH AND 9TH FLOORS AS PLANS FILED HEREWITH. NO CHANGE IN USE, EGRESS, OR OCCUPANCY.
M00934664 ↗350 PARK AVENUE
MANHATTAN
AlterationSigned-off10/11/202308/21/2024MECHANICAL WORK ON THE 5TH, 6TH AND 9TH FLOORS AS PLANS FILED HEREWITH. NO CHANGE IN USE, EGRESS, OR OCCUPANCY
M08030187 ↗350 PARK AVENUE
MANHATTAN
AlterationSigned-off11/09/202208/21/2024
Design GENSLER
GENERAL CONSTRUCTION MODIFICATIONS TAKING PLACE ON THE 3RD FLOOR AS PER PLANS FILED HEREWITH. NO CHANGE IN USE, EGRESS, OR OCCUPANCY.
M08030354 ↗350 PARK AVENUE
MANHATTAN
AlterationSigned-off11/16/202208/21/2024MECHANICAL MODIFICATIONS TAKING PLACE ON THE 3RD FLOOR AS PER PLANS FILED HEREWITH. NO CHANGE IN USE, EGRESS, OR OCCUPANCY
M01051809 ↗350 PARK AVENUE
MANHATTAN
AlterationSigned-off06/04/202406/05/2024SPRINKLER WORK ON THE 15TH FLOOR AS PLANS FILED HEREWITH. NO CHANGE IN USE, EGRESS, OR OCCUPANCY.
M01051797 ↗350 PARK AVENUE
MANHATTAN
AlterationSigned-off06/04/202406/04/2024
Contractor MAC FELDER INC
PLUMBING WORK ON THE 15TH FLOOR AS PLANS FILED HEREWITH. NO CHANGE IN USE, EGRESS, OR OCCUPANCY.
M01045789 ↗350 PARK AVENUE
MANHATTAN
AlterationSigned-off05/30/202406/03/2024
Contractor MAC FELDER INC
PLUMBING WORK ON THE 14TH FLOOR AS PLANS FILED HEREWITH. NO CHANGE IN USE, EGRESS, OR OCCUPANCY.
M01049690 ↗350 PARK AVENUE
MANHATTAN
AlterationSigned-off05/28/202405/31/2024
Design GENSLER
GENERAL CONSTRUCTION ON THE 15TH FL AS PLANS FILED HEREWITH. NO CHANGE IN USE, EGRESS, OR OCCUPANCY.
M01025816 ↗425 PARK AVENUE
MANHATTAN
AlterationSigned-off04/24/202405/23/2024
Design WSP
STRUCTURAL MODIFICATIONS TAKING PLACE ON THE 23RD FLOOR CONSTRUCTION (29TH FLOOR MARKETING) AS PER PLANS FILED HEREWITH. NO CHANGE IN USE, E…
M08036574 ↗350 PARK AVENUE
MANHATTAN
AlterationSigned-off11/29/202203/27/2024SPRINKLER MODIFICATIONS TAKING PLACE ON THE 3RD, 11TH AS PER PLANS FILED HEREWITH. NO CHANGE IN USE, EGRESS, OR OCCUPANCY.
M00979642 ↗425 PARK AVENUE
MANHATTAN
AlterationSigned-off01/26/202403/21/2024
Design WSP
SPRINKLER MODIFICATIONS TAKING PLACE ON THE 22ND CONSTRUCTION FLOOR (28TH MARKETING FLOOR) AS PER PLANS FILED HEREWITH. NO CHANGE IN USE, EG…
M00979652 ↗425 PARK AVENUE
MANHATTAN
AlterationSigned-off01/24/202403/21/2024
Design WSP
STRUCTURAL MODIFICATIONS TAKING PLACE ON THE 22ND CONSTRUCTION FLOOR (28TH MARKETING FLOOR) AS PER PLANS FILED HEREWITH. NO CHANGE IN USE, E…
M00979630 ↗425 PARK AVENUE
MANHATTAN
AlterationSigned-off01/26/202403/04/2024
Design WSP
PLUMBING MODIFICATIONS TAKING PLACE ON THE 22ND CONSTRUCTION FLOOR (28TH MARKETING FLOOR) AS PER PLANS FILED HEREWITH. NO CHANGE IN USE, EGR…
M08048160 ↗350 PARK AVENUE
MANHATTAN
AlterationSigned-off02/16/202302/22/2024PLUMBING MODIFICATIONS TAKING PLACE ON THE 7TH, 8TH FLOORS AS PER PLANS FILED HEREWITH. NO CHANGE IN USE, EGRESS, OR OCCUPANCY.
M00979621 ↗425 PARK AVENUE
MANHATTAN
AlterationSigned-off01/26/202401/31/2024
Design WSP
MECHANICAL MODIFICATIONS TAKING PLACE ON THE 21ST AND 22ND FLOORS CONSTRUCTION (27TH AND 28TH FLOORS MARKETING) AS PER PLANS HEREWITH. NO CH…
M00979607 ↗425 PARK AVENUE
MANHATTAN
AlterationSigned-off01/26/202401/30/2024GENERAL CONSTRUCTION MODIFICATIONS TAKING PLACE ON THE 22ND CONSTRUCTION FLOOR (28TH MARKETING FLOOR) AS PER PLANS FILED HEREWITH. NO CHANGE…
M00750315 ↗425 PARK AVENUE
MANHATTAN
AlterationSigned-off07/06/202211/08/2023GENERAL CONSTRUCTION ON THE 18TH FL CONSTRUCTION (24TH FL MARKETING) AS PLANS FILED HEREWITH. NO CHANGE IN USE, EGRESS, OR OCCUPANCY.
M00921764 ↗425 PARK AVENUE
MANHATTAN
AlterationPermit Issued09/25/202311/02/2023
Design ESD
SPRINKLER MODIFICATIONS TAKING PLACE ON THE 7TH FLOOR CONSTRUCTION (12TH FLOOR MARKETING) AS PER PLANS FILED HEREWITH. NO CHANGE IN USE, EGR…
M00921718 ↗425 PARK AVENUE
MANHATTAN
AlterationPermit Issued09/21/202310/23/2023GENERAL CONSTRUCTION MODIFICATIONS TAKING PLACE ON THE 7TH FLOOR CONSTRUCTION (12TH FLOOR MARKETING) AS PER PLANS FILED HEREWITH. NO CHANGE …
M00921727 ↗425 PARK AVENUE
MANHATTAN
AlterationPermit Issued09/25/202310/23/2023
Design ESD
MECHANICAL MODIFICATIONS TAKING PLACE ON THE 7TH FLOOR CONSTRUCTION (12TH FLOOR MARKETING) AS PER PLANS FILED HEREWITH. NO CHANGE IN USE, EG…
M00934671 ↗350 PARK AVENUE
MANHATTAN
AlterationSigned-off10/12/202310/17/2023
Contractor MAC FELDER INC
PLUMBING WORK ON THE 5TH, 6TH AND 9TH FLOORS AS PLANS FILED HEREWITH. NO CHANGE IN USE, EGRESS, OR OCCUPANCY.
M00934678 ↗350 PARK AVENUE
MANHATTAN
AlterationSigned-off10/12/202310/13/2023SPRINKLER WORK ON THE 5TH, 6TH AND 9TH FLOORS AS PLANS FILED HEREWITH. NO CHANGE IN USE, EGRESS, OR OCCUPANCY
M00740641 ↗425 PARK AVENUE
MANHATTAN
AlterationSigned-off09/08/202210/11/2023
Design ESD
STANDPIPE WORK ON THE 3RD FL , 18TH AND 19TH FLOOR CONSTRUCTION (8TH, 24TH AND 25TH FL MARKETING) AS PLANS FILED HEREWITH. NO CHANGE IN USE,…
M00899806 ↗425 PARK AVENUE
MANHATTAN
AlterationPermit Issued09/06/202309/21/2023GENERAL CONSTRUCTION MODIFICATIONS TAKING PLACE ON THE 15TH FLOOR CONSTRUCTION (21ST FLOOR MARKETING) AS PER PLANS FILED HEREWITH. NO CHANGE…
M00920490 ↗350 PARK AVENUE
MANHATTAN
AlterationSigned-off09/14/202309/19/2023
Contractor MAC FELDER INC
PLUMBING WORK ON THE 5TH, 6TH, AND 9TH FLOORS AS PLANS FILED HEREWITH. NO CHANGE IN USE, EGRESS, OR OCCUPANCY.
M00920521 ↗350 PARK AVENUE
MANHATTAN
AlterationSigned-off09/14/202309/19/2023SPRINKLER WORK ON THE 5TH, 6TH AND 9TH FLOORS AS PLANS FILED HEREWITH. NO CHANGE IN USE, EGRESS OR OCCUPANCY.
M00899819 ↗425 PARK AVENUE
MANHATTAN
AlterationPermit Issued08/29/202309/15/2023
Design ESD
MECHANICAL MODIFICATIONS TAKING PLACE ON THE 15TH FLOOR CONSTRUCTION (21ST FLOOR MARKETING) AS PER PLANS FILED HEREWITH. NO CHANGE IN USE, E…
M00749259 ↗425 PARK AVENUE
MANHATTAN
AlterationSigned-off07/06/202208/24/2023GENERAL CONSTRUCTION ON THE 3RD FL CONSTRUCTION (8TH FL MARKETING) AS PLANS FILED HEREWITH. NO CHANGE IN USE, EGRESS, OR OCCUPANCY.
M08048153 ↗350 PARK AVENUE
MANHATTAN
AlterationSigned-off01/03/202308/16/2023MECHANICAL MODIFICATIONS TAKING PLACE ON THE 7TH, 8TH, AND 12TH FLOORS AS PER PLANS FILED HEREWITH. NO CHANGE IN USE, EGRESS, OR OCCUPANCY.
M00202328 ↗425 PARK AVENUE
MANHATTAN
AlterationSigned-off07/14/202007/21/2023
Design ESD
SPRINKLER WORK ON THE 10-17TH FLOORS CONSTRUCTION (16-23RD FLOOR MARKETING) AS PLANS FILED HEREWITH. NO CHANGE IN USE, EGRESS, OR OCCUPANCY.
M00751061 ↗425 PARK AVENUE
MANHATTAN
AlterationSigned-off06/27/202207/21/2023
Design ESD
MECHANICAL WORK ON THE 18TH FL CONSTRUCTION (24TH FL MARKETING) AS PLANS FILED HEREWITH. NO CHANGE IN USE, EGRESS, OR OCCUPANCY.
M00786340 ↗425 PARK AVENUE
MANHATTAN
AlterationSigned-off09/06/202207/07/2023GENERAL CONSTRUCTION MODIFICATIONS TAKING PLACE ON THE 19TH FLOOR CONSTRUCTION (25TH FLOOR MARKETING) AS PER PLANS FILED HEREWITH. NO CHANGE…
M00751046 ↗425 PARK AVENUE
MANHATTAN
AlterationSigned-off06/23/202206/14/2023
Design ESD
PLUMBING WORK ON THE 3RD FL CONSTRUCTION (8TH FL MARKETING) AS PLANS FILED HEREWITH. NO CHANGE IN USE, EGRESS, OR OCCUPANCY.
M00354380 ↗425 PARK AVENUE
MANHATTAN
AlterationSigned-off07/14/202005/23/2023
Design ESD
MECHANICAL WORK ON THE 40TH FLOOR CONSTRUCTION (46TH FLOOR MARKETING) AS PLANS FILED HEREWITH. NO CHANGE IN USE, EGRESS,OR OCCUPANCY.
M00201701 ↗425 PARK AVENUE
MANHATTAN
AlterationSigned-off07/14/202005/05/2023
Design ESD
PLUMBING WORK ON 10-17TH FLOORS CONSTRUCTION (16-23 FLOORS MARKETING) AS PLANS FILED HEREWITH. NO CHANGE IN USE, EGRESS, OR OCCUPANCY.
M00751076 ↗425 PARK AVENUE
MANHATTAN
AlterationSigned-off06/23/202205/03/2023
Design ESD
SPRINKLER WORK ON THE 18TH FL CONSTRUCTION (24TH FL MARKETING) AS PLANS FILED HEREWITH. NO CHANGE IN USE, EGRESS, OR OCCUPANCY.
M00788823 ↗425 PARK AVENUE
MANHATTAN
AlterationSigned-off09/02/202205/03/2023
Design ESD
SPRINKLER MODIFICATIONS TAKING PLACE ON THE 19TH FLOOR CONSTRUCTION (25TH FLOOR MARKETING) AS PER PLANS FILED HEREWITH. NO CHANGE IN USE, EG…
M00788820 ↗425 PARK AVENUE
MANHATTAN
AlterationSigned-off09/02/202205/02/2023
Design ESD
MECHANICAL MODIFICATIONS TAKING PLACE ON THE 19TH FLOOR CONSTRUCTION (25TH FLOOR MARKETING) AS PER PLANS FILED HEREWITH. NO CHANGE IN USE, E…
M00201646 ↗425 PARK AVENUE
MANHATTAN
AlterationSigned-off07/14/202004/06/2023
Design ESD
MECHANICAL WORK ON FLOORS 10-17 CONSTRUCTION (16-23 MARKETING FLOORS) AS PLANS FILED HEREWITH.NO CHANGE IN USE, EGRESS, OR OCCUPANCY.
M08053942 ↗350 PARK AVENUE
MANHATTAN
AlterationSigned-off03/24/202303/24/2023STANDPIPE WORK ON THE 7TH FLOOR AS PLANS FILED HEREWITH. NO CHANGE IN USE, EGRESS, OR OCCUPANCY.
M00751065 ↗425 PARK AVENUE
MANHATTAN
AlterationSigned-off06/23/202211/18/2022
Design ESD
PLUMBING WORK ON THE 18TH FL CONSTRUCTION (24TH FL MARKETING) AS PLANS FILED HEREWITH. NO CHANGE IN USE, EGRESS, OR OCCUPANCY.
M00788821 ↗425 PARK AVENUE
MANHATTAN
AlterationSigned-off09/02/202211/18/2022
Design ESD
PLUMBING MODIFICATIONS TAKING PLACE ON THE 19TH FLOOR CONSTRUCTION (25TH FLOOR MARKETING) AS PER PLANS FILED HEREWITH. NO CHANGE IN USE, EGR…
M08012038 ↗425 PARK AVENUE
MANHATTAN
AlterationSigned-off10/26/202211/17/2022
Design WSP
STRUCTURAL MODIFICATIONS TAKING PLACE ON THE 8TH FLOOR CONSTRUCTION (14TH FLOOR MARKETING) AS PER PLANS FILED HEREWITH. NO CHANGE IN USE, EG…
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666 5 AVENUE ↗3308/26/2026
425 PARK AVENUE ↗6306/10/2026
655 5 AVENUE ↗111/06/2025
350 PARK AVENUE ↗2009/04/2025
▾Documents — 1,327 on file (BIS + DOB NOW)
▸Plans & Drawings246
▸DOB NOWPlans/Sketch199
09/02/2026M00751046-I1 · 425 PARK AVENUERequest digital key ↗
09/02/2026M00751046-P2 · 425 PARK AVENUERequest digital key ↗
09/02/2026M00751046-P1 · 425 PARK AVENUERequest digital key ↗
Showing 3 of 199 on file for this type
▸DOB NOWPlans/Sketch - Plumbing14
09/04/2026M00354383-I1 · 425 PARK AVENUERequest digital key ↗
09/02/2026M00353404-P4 · 425 PARK AVENUERequest digital key ↗
09/02/2026M00353404-P3 · 425 PARK AVENUERequest digital key ↗
Showing 3 of 14 on file for this type
▸DOB NOWPlans/Sketch - Mechanical Systems12
09/05/2026M00259306-I1 · 350 PARK AVENUERequest digital key ↗
09/04/2026M00201646-I1 · 425 PARK AVENUERequest digital key ↗
09/04/2026M00201646-P1 · 425 PARK AVENUERequest digital key ↗
Showing 3 of 12 on file for this type
▸DOB NOWPlans/Sketch - Structural8
09/02/2026M00353422-P2 · 425 PARK AVENUERequest digital key ↗
09/02/2026M00353422-I1 · 425 PARK AVENUERequest digital key ↗
09/01/2026M00205508-P2 · 425 PARK AVENUERequest digital key ↗
Showing 3 of 8 on file for this type
▸DOB NOWPlans/Sketch - Place of Assembly5
08/26/2026M01080838-I1 · 425 PARK AVENUERequest digital key ↗
08/21/2026M01283870-I1 · 666 5 AVENUERequest digital key ↗
08/19/2026M01283884-I1 · 666 5 AVENUERequest digital key ↗
Showing 3 of 5 on file for this type
▸DOB NOWPlans/Sketch - Sprinkler4
09/05/2026M00259349-I1 · 350 PARK AVENUERequest digital key ↗
09/04/2026M00202328-I1 · 425 PARK AVENUERequest digital key ↗
09/04/2026M00202328-P1 · 425 PARK AVENUERequest digital key ↗
Showing 3 of 4 on file for this type
▸DOB NOWPlans/Sketch - Temporary Place of Assembly4
08/24/2026M01189087-I1 · 425 PARK AVENUERequest digital key ↗
08/22/2026M01257773-I1 · 425 PARK AVENUERequest digital key ↗
08/18/2026M01373853-I1 · 666 5 AVENUERequest digital key ↗
Showing 3 of 4 on file for this type
▸Seals & Professional Certifications776
▸DOB NOWProgress Inspector Seal & Signature297
09/28/2026M00934664-P1 · 350 PARK AVENUEOpen ↗
09/28/2026M00934664-P1 · 350 PARK AVENUEOpen ↗
09/27/2026M01197520-P2 · 666 5 AVENUEOpen ↗
Showing 3 of 297 on file for this type
▸DOB NOWSpecial Inspector Seal & Signature242
09/28/2026M00934664-P1 · 350 PARK AVENUEOpen ↗
09/27/2026M01197520-P2 · 666 5 AVENUEOpen ↗
09/25/2026M00788826-I1 · 425 PARK AVENUEOpen ↗
Showing 3 of 242 on file for this type
▸DOB NOWDPL-1: Design Professional Seal & Signature237
09/05/2026M00259349-I1 · 350 PARK AVENUEOpen ↗
09/05/2026M00259306-I1 · 350 PARK AVENUEOpen ↗
09/04/2026M00202328-I1 · 425 PARK AVENUEOpen ↗
Showing 3 of 237 on file for this type
▸Environmental & Asbestos275
▸DOB NOWDEP ACP-5: Asbestos Assessment Report226
09/05/2026M00259349-I1 · 350 PARK AVENUEOpen ↗
09/05/2026M00259306-I1 · 350 PARK AVENUEOpen ↗
09/04/2026M00202328-I1 · 425 PARK AVENUEOpen ↗
Showing 3 of 226 on file for this type
▸DOB NOWOER: Notice to Proceed25
08/31/2026M08048160-I1 · 350 PARK AVENUEOpen ↗
08/25/2026M00920453-I1 · 350 PARK AVENUEOpen ↗
08/13/2026M01051797-P1 · 350 PARK AVENUEOpen ↗
Showing 3 of 25 on file for this type
▸DOB NOWOER: Notice of Satisfaction24
08/25/2026M00920453-I1 · 350 PARK AVENUEOpen ↗
08/13/2026M01051797-P1 · 350 PARK AVENUEOpen ↗
08/13/2026M01051797-I1 · 350 PARK AVENUEOpen ↗
Showing 3 of 24 on file for this type
▸Energy Compliance15
▸DOB NOWEN2: As Built Energy Analysis8
08/13/2026M00786340-I1 · 425 PARK AVENUEOpen ↗
08/13/2026M00763618-I1 · 425 PARK AVENUEOpen ↗
08/18/2026M00529225-I1 · 425 PARK AVENUEOpen ↗
Showing 3 of 8 on file for this type
▸DOB NOWPreliminary Commissioning Report Certification7
08/13/2026M00979621-I1 · 425 PARK AVENUEOpen ↗
09/03/2026M00529225-I1 · 425 PARK AVENUEOpen ↗
Showing 2 of 7 on file for this type
▸Other Documents15
▸DOB NOWAlternate Plan 72
08/19/2026M01283884-I1 · 666 5 AVENUEOpen ↗
08/19/2026M01283884-P1 · 666 5 AVENUEOpen ↗
▸DOB NOWAlternate Plan 42
08/19/2026M01283884-P1 · 666 5 AVENUEOpen ↗
Showing 1 of 2 on file for this type
▸DOB NOWAlternate Plan 62
08/19/2026M01283884-I1 · 666 5 AVENUEOpen ↗
08/19/2026M01283884-P1 · 666 5 AVENUEOpen ↗
▸DOB NOWAlternate Plan 12
08/19/2026M01283884-I1 · 666 5 AVENUEOpen ↗
08/19/2026M01283884-P1 · 666 5 AVENUEOpen ↗
▸DOB NOWAlternate Plan 22
08/19/2026M01283884-P1 · 666 5 AVENUEOpen ↗
Showing 1 of 2 on file for this type
▸DOB NOWAlternate Plan 52
08/19/2026M01283884-P1 · 666 5 AVENUEOpen ↗
08/19/2026M01283884-I1 · 666 5 AVENUEOpen ↗
▸DOB NOWAlternate Plan 32
08/19/2026M01283884-P1 · 666 5 AVENUEOpen ↗
Showing 1 of 2 on file for this type
▸DOB NOWPARTIAL DEMO: 10-DAY Notice1
08/13/2026M00763649-I1 · 425 PARK AVENUEOpen ↗