| Project | Address | Type | Status | Filed | Latest permit | On the project | Description |
|---|---|---|---|---|---|---|---|
| M01362293 ↗ | 399 PARK AVENUE MANHATTAN | Alteration | Permit Issued | 03/11/2026 | 03/19/2026 | Design ROBERT DERECTOR ASSOCIATES Owner BOSTON PROPERTIES Contractor JRM CONSTRUCTION MGMT LLC | Modification to Mechanical systems as per plans filed herewith. |
| M01362306 ↗ | 399 PARK AVENUE MANHATTAN | Alteration | Permit Issued | 03/11/2026 | 03/16/2026 | Design ROBERT DERECTOR ASSOCIATES Owner BOSTON PROPERTIES Contractor AGGRESSIVE FIRE PROT LLC | Modification to Sprinkler Systems as per plans filed herewith. |
| M01362272 ↗ | 399 PARK AVENUE MANHATTAN | Alteration | Permit Issued | 03/11/2026 | 03/13/2026 | Design GENSLER Owner BOSTON PROPERTIES Contractor JRM CONSTRUCTION MGMT LLC | Interior renovation as per plans filed herewith. |
| M00298671 ↗ | 399 PARK AVENUE MANHATTAN | Alteration | Signed-off | 04/08/2020 | 11/23/2021 | Design THORNTON TOMASETTI Owner BOSTON PROPERTIES, INC. Contractor JT MAGEN & COMPANY INC | Structural modifications as per plans filed herewith. No change in use, occupancy or egress. |
| M00230826 ↗ | 399 PARK AVENUE MANHATTAN | Alteration | Signed-off | 10/04/2019 | 05/18/2021 | Design THORNTON TOMASETTI Owner BOSTON PROPERTIES, INC. Contractor JT MAGEN & COMPANY INC | Structural steel and concrete as per plans filed herewith. No change in use, occupancy or egress. |
| M00337799 ↗ | 399 PARK AVENUE MANHATTAN | No Work | Filed — no permit on record | 07/16/2020 | — | Design GENSLER | — |
| Name | Projects together | Most recent |
|---|---|---|
| GENSLER | 2 | 08/06/2026 |
| ROBERT DERECTOR ASSOCIATES | 2 | 03/11/2026 |
| THORNTON TOMASETTI | 2 | 04/08/2020 |
| Name | Projects together | Most recent |
|---|---|---|
| JRM CONSTRUCTION MGMT LLC | 2 | 08/06/2026 |
| JT MAGEN & COMPANY INC | 2 | 04/08/2020 |
| AGGRESSIVE FIRE PROT LLC | 1 | 03/11/2026 |
| Name | Projects together | Most recent |
|---|---|---|
| BOSTON PROPERTIES | 5 | 08/06/2026 |
| Name | Projects together | Most recent |
|---|---|---|
| A1 EXPEDITING SERVICE CORP. | 3 | 08/06/2026 |
| Project | Address | Type | Status | Filed | Latest permit | On the project | Description |
|---|---|---|---|---|---|---|---|
| M01362293 ↗ | 399 PARK AVENUE MANHATTAN | Alteration | Permit Issued | 03/11/2026 | 03/19/2026 | Design ROBERT DERECTOR ASSOCIATES Owner BOSTON PROPERTIES Contractor JRM CONSTRUCTION MGMT LLC | Modification to Mechanical systems as per plans filed herewith. |
| M01362306 ↗ | 399 PARK AVENUE MANHATTAN | Alteration | Permit Issued | 03/11/2026 | 03/16/2026 | Design ROBERT DERECTOR ASSOCIATES Owner BOSTON PROPERTIES Contractor AGGRESSIVE FIRE PROT LLC | Modification to Sprinkler Systems as per plans filed herewith. |
| M01362272 ↗ | 399 PARK AVENUE MANHATTAN | Alteration | Permit Issued | 03/11/2026 | 03/13/2026 | Design GENSLER Owner BOSTON PROPERTIES Contractor JRM CONSTRUCTION MGMT LLC | Interior renovation as per plans filed herewith. |
| M00298671 ↗ | 399 PARK AVENUE MANHATTAN | Alteration | Signed-off | 04/08/2020 | 11/23/2021 | Design THORNTON TOMASETTI Owner BOSTON PROPERTIES, INC. Contractor JT MAGEN & COMPANY INC | Structural modifications as per plans filed herewith. No change in use, occupancy or egress. |
| M00230826 ↗ | 399 PARK AVENUE MANHATTAN | Alteration | Signed-off | 10/04/2019 | 05/18/2021 | Design THORNTON TOMASETTI Owner BOSTON PROPERTIES, INC. Contractor JT MAGEN & COMPANY INC | Structural steel and concrete as per plans filed herewith. No change in use, occupancy or egress. |
| M00337799 ↗ | 399 PARK AVENUE MANHATTAN | No Work | Filed — no permit on record | 07/16/2020 | — | Design GENSLER | — |
| Building | Filings | Most Recent |
|---|---|---|
| 399 PARK AVENUE ↗ | 6 | 08/06/2026 |