| Project | Address | Type | Status | Filed | Latest permit | On the project | Description |
|---|---|---|---|---|---|---|---|
| M00957155 ↗ | 550 MADISON AVENUE MANHATTAN | Alteration | Signed-off | 12/06/2023 | 01/05/2024 | Design SYSKA HENNESSY GROUP Owner OAC 550 OWNER LLC Contractor AGGRESSIVE FIRE PROT LLC | Additions/Modifications to existing Plumbing & Sprinkler systems. No change in use, egress or occupancy. |
| M00957137 ↗ | 550 MADISON AVENUE MANHATTAN | Alteration | Signed-off | 12/06/2023 | 01/03/2024 | Design SYSKA HENNESSY GROUP Owner OAC 550 OWNER LLC Contractor L&K PARTNERS, INC | Modification to existing HVAC system as per plans filed herewith. No change in use, egress or occupancy. |
| M00960684 ↗ | 550 MADISON AVENUE MANHATTAN | Alteration | Signed-off | 12/01/2023 | 12/14/2023 | Design GENSLER Owner OAC 550 OWNER LLC Contractor L&K PARTNERS, INC | INTERIOR FIT OUT APPLICATION ASSOCIATED WITH CONVENIENCE STAIR SCOPE FILED FOR INTERIOR RENOVATION AT THE 18TH, 19TH, AND 20TH FLOORS. NO CH… |
| M00960672 ↗ | 550 MADISON AVENUE MANHATTAN | Alteration | Signed-off | 12/05/2023 | 12/07/2023 | Design THORNTON TOMASETTI Owner OAC 550 OWNER LLC Contractor L&K PARTNERS, INC | Structural modifications as per plans filed herewith. Concrete & steel work with partial slab demolition. No change to use, egress, occupanc… |
| Person | Filings | Most recent |
|---|---|---|
| TOMASZ MICHALSKI | 6 | 04/04/2025 |
| Name | Projects together | Most recent |
|---|---|---|
| SYSKA HENNESSY GROUP | 2 | 04/02/2025 |
| GENSLER | 1 | 04/21/2025 |
| THORNTON TOMASETTI | 1 | 12/05/2023 |
| Name | Projects together | Most recent |
|---|---|---|
| L&K PARTNERS, INC | 3 | 04/21/2025 |
| AGGRESSIVE FIRE PROT LLC | 1 | 04/02/2025 |
| Name | Projects together | Most recent |
|---|---|---|
| OAC 550 OWNER LLC | 4 | 04/21/2025 |
| Project | Address | Type | Status | Filed | Latest permit | On the project | Description |
|---|---|---|---|---|---|---|---|
| M00957155 ↗ | 550 MADISON AVENUE MANHATTAN | Alteration | Signed-off | 12/06/2023 | 01/05/2024 | Design SYSKA HENNESSY GROUP Owner OAC 550 OWNER LLC Contractor AGGRESSIVE FIRE PROT LLC | Additions/Modifications to existing Plumbing & Sprinkler systems. No change in use, egress or occupancy. |
| M00957137 ↗ | 550 MADISON AVENUE MANHATTAN | Alteration | Signed-off | 12/06/2023 | 01/03/2024 | Design SYSKA HENNESSY GROUP Owner OAC 550 OWNER LLC Contractor L&K PARTNERS, INC | Modification to existing HVAC system as per plans filed herewith. No change in use, egress or occupancy. |
| M00960684 ↗ | 550 MADISON AVENUE MANHATTAN | Alteration | Signed-off | 12/01/2023 | 12/14/2023 | Design GENSLER Owner OAC 550 OWNER LLC Contractor L&K PARTNERS, INC | INTERIOR FIT OUT APPLICATION ASSOCIATED WITH CONVENIENCE STAIR SCOPE FILED FOR INTERIOR RENOVATION AT THE 18TH, 19TH, AND 20TH FLOORS. NO CH… |
| M00960672 ↗ | 550 MADISON AVENUE MANHATTAN | Alteration | Signed-off | 12/05/2023 | 12/07/2023 | Design THORNTON TOMASETTI Owner OAC 550 OWNER LLC Contractor L&K PARTNERS, INC | Structural modifications as per plans filed herewith. Concrete & steel work with partial slab demolition. No change to use, egress, occupanc… |
| Building | Filings | Most Recent |
|---|---|---|
| 550 MADISON AVENUE ↗ | 6 | 04/04/2025 |