| Project | Address | Type | Status | Filed | Latest permit | On the project | Description |
|---|---|---|---|---|---|---|---|
| M01321430 ↗ | 900 3 AVENUE MANHATTAN | Alteration CO | Permit Issued | 01/15/2026 | 08/04/2026 | Design HOK Owner PARAMOUNT GROUP Contractor JT MAGEN & COMPANY INC Filer RIZZO GROUP | Filing a new Alt CO to establish a commercial kitchen on the 33rd Floor and change of occupancy on Floors 34-36th Floors. |
| M01254267 ↗ | 601 LEXINGTON AVENUE MANHATTAN | Alteration CO | Permit Issued | 11/05/2025 | 07/14/2026 | Design HOK Owner BOSTON PROPERTIES Contractor JT MAGEN & COMPANY INC | CHANGE OF USE FROM ALL BUSINESS TO BUISNESS (E), DINING (F-4) AND ASSEMBLY (F-1b). 2 HOURFIRE RATED PARTITION TO TERMINATE PUBLIC ASSEMBLY T… |
| M01228634 ↗ | 601 LEXINGTON AVENUE MANHATTAN | Alteration | Signed-off | 06/26/2025 | 06/01/2026 | Design HOK Owner BOSTON PROPERTIES Contractor JT MAGEN & COMPANY INC | Interior fit out of tenant 53rd floor, including non-load bearing partitions, interior finishes and core toilet rooms. ALT CO filed under se… |
| M01228713 ↗ | 601 LEXINGTON AVENUE MANHATTAN | Alteration | Signed-off | 06/26/2025 | 06/01/2026 | Owner BOSTON PROPERTIES Contractor JT MAGEN & COMPANY INC | Structural portion of interior fit out of tenant 53rd floor, including non-load bearing partitions, interior finishes and core toilet rooms.… |
| M01355501 ↗ | 601 LEXINGTON AVENUE MANHATTAN | No Work | Filed — no permit on record | 04/01/2026 | — | Design HOK | — |
| M01345402 ↗ | 601 LEXINGTON AVENUE MANHATTAN | Alteration | Signed-off | 03/05/2026 | 03/16/2026 | Contractor ABCO-PEERLESS SPRKLR CORP | Standpipe work related to Interior fit out of tenant 53rd floor, including non-load bearing partitions, interior finishes and core toilet ro… |
| Name | Projects together | Most recent |
|---|---|---|
| ROBERT DERECTOR ASSOCIATES | 20 | 09/08/2026 |
| ACTIVE DESIGN GROUP ENGINEERING | 9 | 02/05/2026 |
| HOK | 9 | 04/01/2026 |
| GENSLER | 5 | 10/14/2024 |
| Name | Projects together | Most recent |
|---|---|---|
| JT MAGEN & COMPANY INC | 28 | 02/20/2026 |
| ABCO-PEERLESS SPRKLR CORP | 8 | 09/02/2026 |
| ASHLAND PLUMBING CORP | 7 | 09/02/2026 |
| PREFERRED SPKLR AND MECH | 2 | 11/05/2025 |
| PAR FIRE PROTECTION LLC | 1 | 09/08/2026 |
| SIRINA FIRE PROT CORP | 1 | 05/14/2025 |
| TOWER FIRE PROTECTION INC | 1 | 02/07/2023 |
| Name | Projects together | Most recent |
|---|---|---|
| BOSTON PROPERTIES | 25 | 09/02/2026 |
| PARAMOUNT GROUP | 6 | 09/08/2026 |
| Name | Projects together | Most recent |
|---|---|---|
| A1 EXPEDITING SERVICE CORP. | 23 | 09/02/2026 |
| RIZZO GROUP | 6 | 09/08/2026 |
| Project | Address | Type | Status | Filed | Latest permit | On the project | Description |
|---|---|---|---|---|---|---|---|
| M01321430 ↗ | 900 3 AVENUE MANHATTAN | Alteration CO | Permit Issued | 01/15/2026 | 08/04/2026 | Design HOK Owner PARAMOUNT GROUP Contractor JT MAGEN & COMPANY INC Filer RIZZO GROUP | Filing a new Alt CO to establish a commercial kitchen on the 33rd Floor and change of occupancy on Floors 34-36th Floors. |
| M01254267 ↗ | 601 LEXINGTON AVENUE MANHATTAN | Alteration CO | Permit Issued | 11/05/2025 | 07/14/2026 | Design HOK Owner BOSTON PROPERTIES Contractor JT MAGEN & COMPANY INC | CHANGE OF USE FROM ALL BUSINESS TO BUISNESS (E), DINING (F-4) AND ASSEMBLY (F-1b). 2 HOURFIRE RATED PARTITION TO TERMINATE PUBLIC ASSEMBLY T… |
| M01228634 ↗ | 601 LEXINGTON AVENUE MANHATTAN | Alteration | Signed-off | 06/26/2025 | 06/01/2026 | Design HOK Owner BOSTON PROPERTIES Contractor JT MAGEN & COMPANY INC | Interior fit out of tenant 53rd floor, including non-load bearing partitions, interior finishes and core toilet rooms. ALT CO filed under se… |
| M01228713 ↗ | 601 LEXINGTON AVENUE MANHATTAN | Alteration | Signed-off | 06/26/2025 | 06/01/2026 | Owner BOSTON PROPERTIES Contractor JT MAGEN & COMPANY INC | Structural portion of interior fit out of tenant 53rd floor, including non-load bearing partitions, interior finishes and core toilet rooms.… |
| M01355501 ↗ | 601 LEXINGTON AVENUE MANHATTAN | No Work | Filed — no permit on record | 04/01/2026 | — | Design HOK | — |
| M01345402 ↗ | 601 LEXINGTON AVENUE MANHATTAN | Alteration | Signed-off | 03/05/2026 | 03/16/2026 | Contractor ABCO-PEERLESS SPRKLR CORP | Standpipe work related to Interior fit out of tenant 53rd floor, including non-load bearing partitions, interior finishes and core toilet ro… |
| M01317935 ↗ | 900 3 AVENUE MANHATTAN | Alteration | Signed-off | 12/11/2025 | 01/26/2026 | Design ROBERT DERECTOR ASSOCIATES Owner PARAMOUNT GROUP Contractor LAWRENCE J. LEVINE Filer RIZZO GROUP | Installation of new sprinkler heads and piping on Floors 33, 34, 35, 36 (Kirkland & Ellis) as per approved plans. No change to use, egress o… |
| M01335303 | 601 LEXINGTON AVENUE MANHATTAN | Alteration | Permit Issued | 01/13/2026 | 01/20/2026 | Design ROBERT DERECTOR ASSOCIATES Owner BOSTON PROPERTIES Contractor ABCO-PEERLESS SPRKLR CORP | SD work as per plans. |
| M01317816 ↗ | 900 3 AVENUE MANHATTAN | Alteration | Signed-off | 12/11/2025 | 12/18/2025 | Owner PARAMOUNT GROUP Contractor JT MAGEN & COMPANY INC Filer RIZZO GROUP | Structural modifications and reinforcements on Floors 33, 34, 35, 36 (Kirkland & Ellis) as per approved plans. No change to use, egress, or … |
| M01317589 ↗ | 900 3 AVENUE MANHATTAN | Alteration | Signed-off | 12/11/2025 | 12/17/2025 | Design HOK Contractor JT MAGEN & COMPANY INC | Renovation of existing office space including interior partitions, doors, ceilings, and floors on Floors 33, 34, 35, 36 (Kirkland & Ellis) … |
| M01300829 ↗ | 900 3 AVENUE MANHATTAN | Alteration | Permit Issued | 11/05/2025 | 12/02/2025 | Design ROBERT DERECTOR ASSOCIATES Owner PARAMOUNT GROUP Contractor PREFERRED SPKLR AND MECH Filer RIZZO GROUP | Installation of new sprinkler heads and piping on Floors 3, 11, 20, 21, 27, 28, 29, 30 (Kirkland & Ellis) as per approved plans. No change t… |
| M01302774 ↗ | 900 3 AVENUE MANHATTAN | Alteration | Permit Issued | 11/05/2025 | 12/02/2025 | Design ROBERT DERECTOR ASSOCIATES Owner PARAMOUNT GROUP Contractor PREFERRED SPKLR AND MECH Filer RIZZO GROUP | Modifications to the existing Standpipe system on floors 3, 11, 20, 21, 27, 28, & 29 (Kirkland & Ellis) as per approved plans. No change to … |
| M01228651 ↗ | 601 LEXINGTON AVENUE MANHATTAN | Alteration | Permit Issued | 06/30/2025 | 11/25/2025 | Design ROBERT DERECTOR ASSOCIATES Owner BOSTON PROPERTIES Contractor ABCO-PEERLESS SPRKLR CORP | Interior fit out of tenant 53rd floor, including non-load bearing partitions, interior finishes and core toilet rooms. ALT CO filed under se… |
| M01252346 ↗ | 601 LEXINGTON AVENUE MANHATTAN | Alteration | Permit Issued | 10/27/2025 | 11/24/2025 | Design ROBERT DERECTOR ASSOCIATES Owner BOSTON PROPERTIES Contractor ASHLAND PLUMBING CORP | PL/SP WORK RELATED TO DEMOLITION AND INTERIOR FIT-0T OF 49TH -51ST FLOORS AS PER PLANS. |
| M01252801 ↗ | 601 LEXINGTON AVENUE MANHATTAN | Alteration | Permit Issued | 09/09/2025 | 11/24/2025 | Design ROBERT DERECTOR ASSOCIATES Owner BOSTON PROPERTIES Contractor ASHLAND PLUMBING CORP | PL/SP work as per plans. |
| M01252318 ↗ | 601 LEXINGTON AVENUE MANHATTAN | Alteration | Signed-off | 10/24/2025 | 11/21/2025 | Design HOK Owner BOSTON PROPERTIES Contractor JT MAGEN & COMPANY INC | DEMOLITION AND INTERIOR FIT-0T OF PARTIAL 49TH, 50TH, PARTIAL 51ST AND PARTIAL 52ND FLOORS INCLUDING NON-LOAD BEARING PARTIONS, INTERIOR FIN… |
| M01252326 ↗ | 601 LEXINGTON AVENUE MANHATTAN | Alteration | Signed-off | 10/27/2025 | 11/19/2025 | Design ROBERT DERECTOR ASSOCIATES Contractor JT MAGEN & COMPANY INC | MH WORK RELATED TO DEMOLITION AND INTERIOR FIT-OUT AS PER PLANS. |
| M01252353 ↗ | 601 LEXINGTON AVENUE MANHATTAN | Alteration | Signed-off | 10/27/2025 | 11/19/2025 | Owner BOSTON PROPERTIES Contractor JT MAGEN & COMPANY INC | ST WORK RELATED TO DEMOLITION AND INTERIOR FIT-0T OF 49TH -51ST FLOORS AS PER PLANS. |
| M01300755 ↗ | 900 3 AVENUE MANHATTAN | Alteration | Signed-off | 10/31/2025 | 11/07/2025 | Owner PARAMOUNT GROUP Contractor JT MAGEN & COMPANY INC Filer RIZZO GROUP | Structural modifications and reinforcements on Floors 3, 4, 11, 20, 27, as per approved plans. No change to use, egress, or occupancy. |
| M01300651 ↗ | 900 3 AVENUE MANHATTAN | Alteration | Signed-off | 10/31/2025 | 11/06/2025 | Design HOK Contractor JT MAGEN & COMPANY INC | Renovation of existing office space including interior partitions, doors, ceilings, and floors on Floors 3, 11, 20, 21, 27, 28, 29, 30 (Kir… |
| M01252762 ↗ | 601 LEXINGTON AVENUE MANHATTAN | Alteration | Signed-off | 09/09/2025 | 10/29/2025 | Design ROBERT DERECTOR ASSOCIATES Owner BOSTON PROPERTIES Contractor JT MAGEN & COMPANY INC | Demolition of existing ductwork, VAVs, AC units, air outlets, and piping on the 45th floor except where noted. Full fit out of the floor wit… |
| M01252810 ↗ | 601 LEXINGTON AVENUE MANHATTAN | Alteration | Signed-off | 09/08/2025 | 10/10/2025 | Owner BOSTON PROPERTIES Contractor JT MAGEN & COMPANY INC | ST work as per plans. |
| M01228675 ↗ | 601 LEXINGTON AVENUE MANHATTAN | Alteration | Signed-off | 06/30/2025 | 07/03/2025 | Design ROBERT DERECTOR ASSOCIATES Owner BOSTON PROPERTIES Contractor JT MAGEN & COMPANY INC | Mechanical work related to Interior fit out of tenant 53rd floor. ALT CO filed under separate application. |
| M01214114 ↗ | 601 LEXINGTON AVENUE MANHATTAN | Alteration | Signed-off | 05/14/2025 | 06/23/2025 | Design ROBERT DERECTOR ASSOCIATES Owner BOSTON PROPERTIES Contractor ASHLAND PLUMBING CORP | Plumbing removals and installation of temporary sprinkler loop as per plans filed herewith. No change to use, egress, or occupancy. |
| M01192313 ↗ | 601 LEXINGTON AVENUE MANHATTAN | Alteration | Signed-off | 03/21/2025 | 04/08/2025 | Design ROBERT DERECTOR ASSOCIATES Owner BOSTON PROPERTIES Contractor ASHLAND PLUMBING CORP | PL/SP WORK AS PER PLANS. NO CHANGE TO USE EGRESS OR OCCUPANCY ON THIS APPLICAITION. |
| M01192302 ↗ | 601 LEXINGTON AVENUE MANHATTAN | Alteration | Signed-off | 03/21/2025 | 03/26/2025 | Design ROBERT DERECTOR ASSOCIATES Owner BOSTON PROPERTIES Contractor JT MAGEN & COMPANY INC | New fitout of full 33rd floor. New ductwork connections to base building shafts, new condenser water piping connections to tenant risers, VA… |
| M01192310 ↗ | 601 LEXINGTON AVENUE MANHATTAN | Alteration | Signed-off | 03/21/2025 | 03/26/2025 | Owner BOSTON PROPERTIES Contractor JT MAGEN & COMPANY INC | ST WORK AS PER PLANS. NO CHANGE TO USE EGRESS OR OCCUPANCY ON THIS APPLICATION. |
| M01169912 ↗ | 601 LEXINGTON AVENUE MANHATTAN | Alteration | Signed-off | 02/13/2025 | 02/21/2025 | Design HOK Contractor JT MAGEN & COMPANY INC | Removal of non load bearing partitions and internal finishes on construction floor 39, marketing floor 43. No change to use egress or occup… |
| M01158905 ↗ | 601 LEXINGTON AVENUE MANHATTAN | Alteration | Signed-off | 01/22/2025 | 01/27/2025 | Design HOK Owner BOSTON PROPERTIES Contractor JT MAGEN & COMPANY INC | Removal of non load bearing partitions and internal finishes. No change to use egress or occupancy on this filing. |
| M01158915 ↗ | 601 LEXINGTON AVENUE MANHATTAN | Alteration | Signed-off | 01/23/2025 | 01/27/2025 | Design ROBERT DERECTOR ASSOCIATES Contractor ASHLAND PLUMBING CORP | Filing for interior plumbing removals prior to fit out. No change to use egress or occupancy on this application. |
| M01158916 ↗ | 601 LEXINGTON AVENUE MANHATTAN | Alteration | Signed-off | 01/23/2025 | 01/27/2025 | Design ROBERT DERECTOR ASSOCIATES Owner BOSTON PROPERTIES Contractor ABCO-PEERLESS SPRKLR CORP | Filing for interior sprinkler removals prior to fit out. No change to use egress or occupancy on this application. |
| M00985828 ↗ | 601 LEXINGTON AVENUE MANHATTAN | Alteration | Signed-off | 02/26/2024 | 02/28/2024 | Design ROBERT DERECTOR ASSOCIATES Owner BOSTON PROPERTIES Contractor JT MAGEN & COMPANY INC | MECHANICAL FILING AS PER PLANS. NO CHANGE IN USE, EGRESS OR OCCUPANCY. |
| M00999266 ↗ | 601 LEXINGTON AVENUE MANHATTAN | Alteration | Signed-off | 02/27/2024 | 02/28/2024 | Owner BOSTON PROPERTIES Contractor JT MAGEN & COMPANY INC | STRUCTURAL FILING AS PER PLANS. NO CHANGE IN USE, EGRESS OR OCCUPANCY. |
| M00985792 ↗ | 601 LEXINGTON AVENUE MANHATTAN | Alteration | Signed-off | 02/25/2024 | 02/27/2024 | Design GENSLER Owner BOSTON PROPERTIES Contractor JT MAGEN & COMPANY INC | INSTALLATION OF NON LOAD BEARING PARTITIONS AS PER PLANS. NO CHANGE IN USE, EGRESS OR OCCUPANCY. |
| M00961643 ↗ | 601 LEXINGTON AVENUE MANHATTAN | Alteration | Signed-off | 01/16/2024 | 01/19/2024 | Design GENSLER Contractor JT MAGEN & COMPANY INC | REMOVAL OF NON LOAD BEARING PARTITIONS AS PER PLANS. NO CHANGE IN USE, EGRESS OR OCCUPANCY. |
| M00800015 ↗ | 601 LEXINGTON AVENUE MANHATTAN | Alteration | Signed-off | 01/19/2023 | 09/20/2023 | Design GENSLER Contractor JT MAGEN & COMPANY INC | Interior demolition as per plans filed herewith. No change to use, egress, or occupancy. |
| M00811023 ↗ | 601 LEXINGTON AVENUE MANHATTAN | Alteration | Signed-off | 02/13/2023 | 09/20/2023 | Contractor JT MAGEN & COMPANY INC | Structural interior work including stairs as per plans filed herewith. No change to use, egress, or occupany. |
| M00810987 ↗ | 601 LEXINGTON AVENUE MANHATTAN | Alteration | Signed-off | 02/13/2023 | 02/24/2023 | Design GENSLER Contractor JT MAGEN & COMPANY INC | Interior renovations as per plans filed herewith. No change to use, egress, or occupancy. |
| M00800047 ↗ | 601 LEXINGTON AVENUE MANHATTAN | Alteration | Signed-off | 01/12/2023 | 01/26/2023 | Design ROBERT DERECTOR ASSOCIATES Owner BOSTON PROPERTIES Contractor ABCO-PEERLESS SPRKLR CORP | Sprinkler removal and installation of temporary sprinkler loop system as per plans filed herewith. No change to use, egress, or occupancy. |
| M00335311 ↗ | 601 LEXINGTON AVENUE MANHATTAN | Alteration | Signed-off | 12/22/2021 | 01/05/2023 | Design ROBERT DERECTOR ASSOCIATES Owner BOSTON PROPERTIES Contractor TPC THIRD PARTY CONSULT L | Sprinkler modifications on the 49th FL as per plans filed herewith. No change to use, egress, or occupancy. |
| M00737776 ↗ | 601 LEXINGTON AVENUE MANHATTAN | Alteration | Signed-off | 06/21/2022 | 06/24/2022 | Contractor JT MAGEN & COMPANY INC | Structural alterations for new communicating stairs and moving partition as per plans filled herewith. No change in use, egress or occupancy… |
| M00335224 ↗ | 601 LEXINGTON AVENUE MANHATTAN | Alteration | Signed-off | 12/22/2021 | 01/13/2022 | Design ROBERT DERECTOR ASSOCIATES Owner BOSTON PROPERTIES Contractor ASHLAND PLUMBING CORP | Plumbing modifications on the 49th FL as per plans filed herewith. No change to use, egress, or occupancy. |
| M00647297 ↗ | 601 LEXINGTON AVENUE MANHATTAN | Alteration | Signed-off | 12/21/2021 | 01/05/2022 | Design GENSLER Owner BOSTON PROPERTIES Contractor JT MAGEN & COMPANY INC | Interior renovations on the 49th FL as per plans filed herewith. No change to use, egress, or occupancy. |
| M00322374 ↗ | 601 LEXINGTON AVENUE MANHATTAN | Alteration | Signed-off | 03/19/2020 | 12/17/2021 | Design ROBERT DERECTOR ASSOCIATES Contractor JT MAGEN & COMPANY INC | mechanical ductwork modifications as per plans filed herewith. no change to use, egress, or occupancy. |
| Building | Filings | Most Recent |
|---|---|---|
| 900 3 AVENUE ↗ | 8 | 09/08/2026 |
| 601 LEXINGTON AVENUE ↗ | 36 | 09/02/2026 |