| Owner | Filings | Most Recent |
|---|---|---|
| SL Green Realty | 180 | 07/08/2026 |
| 641 LLC | 49 | 03/21/2026 |
| Urbicum Associates L P | 39 | 03/21/2026 |
| Atlas Capital Group | 36 | 03/21/2026 |
| 641 Owner | 35 | 03/22/2026 |
| Urbicom | 10 | 03/21/2026 |
| 641 LLC/Olmstead Properties | 3 | 03/21/2026 |
| Orbicum Associates | 2 | 03/21/2026 |
| 641LLC | 1 | 03/21/2026 |
| Date | Price | Unit | Seller → Buyer | $/sf |
|---|---|---|---|---|
| 06/07/2021 | $203.8M | — | — → — | $1,360/sf building |
| Firm | Filings | Most Recent |
|---|---|---|
| CFS Engineering | 10 | 07/20/2026 |
| Perkins Eastman | 11 | 07/08/2026 |
| Studios Architecture | 15 | 06/29/2026 |
| WPM NY Engineers | 4 | 05/20/2026 |
| Robert Derector Associates | 8 | 04/23/2026 |
| John F. Giuseffi, Architect | 2 | 03/23/2026 |
| Halsey McCormack Helmer | 2 | 03/20/2026 |
| Severud Associates | 2 | 03/17/2026 |
| Kohler Ronan | 7 | 03/12/2026 |
| Leon Skvirsky PE | 5 | 12/15/2025 |
| Tohfaz Uddin PE | 2 | 11/14/2025 |
| G. Blinn Consulting | 1 | 09/23/2025 |
| MG Engineering | 10 | 04/17/2025 |
| Severud Associates Consulting Engineering | 3 | 03/07/2025 |
| Goldman Copeland Associates | 1 | 10/25/2024 |
| Cany Architecture & Engineering | 3 | 03/14/2024 |
| Amal Hassan Hassan | 2 | 01/30/2024 |
| Ryan Soames Engineering | 6 | 11/17/2023 |
| WPM Engineering | 2 | 08/30/2023 |
| SSM Design LLP D/B/A Spector Group | 1 | 06/20/2023 |
| Gensler | 1 | 02/03/2023 |
| Altagracia Esther Martinez, R.A | 1 | 01/18/2023 |
| KZ Engineering | 3 | 07/20/2022 |
| Heery Architects & Engineers | 1 | 09/24/2021 |
| CBREÖHEERY | 1 | 09/19/2021 |
| Ashraf | 3 | 04/29/2021 |
| Asif Jamil, RA | 1 | 03/04/2020 |
| Representative | Filings | Most Recent |
|---|---|---|
| Archetype Consultants | 60 | 03/21/2026 |
| Mbe Code Zoning | 38 | 03/21/2026 |
| Building Brothers | 10 | 03/21/2026 |
| Beam Living | 5 | 03/21/2026 |
| A1 Expediting Service | 2 | 03/21/2026 |
| Rigid Structural Design | 2 | 03/21/2026 |
| Desarno Associates | 18 | 03/21/2026 |
| Socotec | 2 | 03/21/2026 |
| Synergy Building Consultants | 3 | 03/21/2026 |
| Milrose Consultants | 5 | 03/21/2026 |
| Municipal Building Consultants | 1 | 03/21/2026 |
| Rock Group NY | 6 | 03/21/2026 |
| Spring Scaffolding | 4 | 03/21/2026 |
| Green Studio | 2 | 03/21/2026 |
| Firm | Trade | Roles | Most Recent |
|---|---|---|---|
| Core Four Construction | General Contractor | 36 | 07/08/2026 |
| JRM Construction Management | General Contractor | 26 | 07/08/2026 |
| Allertonfox Construction | General Contractor | 11 | 07/08/2026 |
| Platinum Services NY | Scaffold | 8 | 07/08/2026 |
| A Plus Plumbing | Plumbing | 5 | 07/08/2026 |
| Rock Group NY | Scaffold | 5 | 07/08/2026 |
| SW Contracting and Consulting | Scaffold | 5 | 07/08/2026 |
| A1 Specialized | Sign hanger | 5 | 07/08/2026 |
| DK Construction One | General Contractor | 5 | 07/08/2026 |
| CS Bridge | Scaffold | 5 | 07/08/2026 |
| Intersystems Installation S&S | Scaffold | 4 | 07/08/2026 |
| Elysium Construction | General Contractor | 3 | 07/08/2026 |
| Bedrock Mechanical | Fire Protection | 3 | 07/08/2026 |
| A + Sprinkler | Fire Protection | 3 | 07/08/2026 |
| Ocean Pacific Interiors * | General Contractor | 2 | 07/08/2026 |
| Swinerton Builders | General Contractor | 2 | 03/21/2026 |
| M.C. Electrical NY | Electrical | 2 | 03/21/2026 |
| Arsenal Scaffold | Scaffold | 2 | 03/21/2026 |
| Spring Scaffolding | Scaffold | 2 | 07/08/2026 |
| Bedrock Plumbing & Heating | Plumbing | 2 | 07/08/2026 |
| Dynamic Air Conditioning | specialty_contractor | 2 | 03/21/2026 |
| Upright Fire Protctn | Fire Protection | 1 | 07/08/2026 |
| Nash Electric Services | Electrical | 1 | 03/22/2026 |
| Ranco Electrical | Electrical | 1 | 03/21/2026 |
| Deboccia Electric Construction | Electrical | 1 | 03/21/2026 |
| Ranieri Nicola | Electrical | 1 | 03/21/2026 |
| R.C.M. Electric | Electrical | 1 | 03/21/2026 |
| Delta Star Electric | Electrical | 1 | 03/21/2026 |
| W5 Group | General Contractor | 1 | 07/08/2026 |
| S&E Bridge & Scaffold | Scaffold | 1 | 04/09/2026 |
| A & M Warshaw Plumbing & Heating | Plumbing | 1 | 07/08/2026 |
| A&M Warshaw Services | Fire Protection | 1 | 07/08/2026 |
| A Plus Plumbing | Fire Protection | 1 | 06/02/2026 |
| Dependable Mechanical | Fire Protection | 1 | 07/08/2026 |
| Expert Fire Sprinkler | Fire Protection | 1 | 07/08/2026 |
| Standard Fire Protection | Fire Protection | 1 | 07/08/2026 |
| Judd Electric | Electrical | 1 | 03/21/2026 |
| Agency | License # | Filings | Most Recent |
|---|---|---|---|
| Eti Consultants | 7694 | 18 | 07/20/2026 |
| Synergy Engineering | 784 | 13 | 07/08/2026 |
| AK Consulting Services, I | 6198 | 2 | 05/20/2026 |
| Ancora Engineering | 6818 | 2 | 05/20/2026 |
| WPM NY Engineers | 8597 | 2 | 05/20/2026 |
| Hansen Engineering | 8174 | 7 | 05/12/2026 |
| Milrose Consultants | 2003 | 9 | 04/23/2026 |
| G. Blinn Consulting | 2894 | 1 | 09/23/2025 |
| Codegreen | 510 | 1 | 10/25/2024 |
| Pinto Engineering Consulting | 9110 | 2 | 03/14/2024 |
| Joseph Martines PE | 1428 | 4 | 01/04/2024 |
| DNA Controlled Inspection | 554 | 3 | 06/20/2023 |
| Trolydia Testing & Inspec | 4422 | 1 | 01/05/2023 |
| Source | Work Type | Status | Applicant | Issued |
|---|---|---|---|---|
| DOB NOW | Foundation | Permit Issued | JRM Construction Management | 05/27/2026 |
| DOB NOW | Structural | Permit Issued | JRM Construction Management | 05/27/2026 |
| DOB NOW | Sprinklers | Permit Issued | Standard Fire Protection | 05/21/2026 |
| DOB NOW | Sign | Signed-off | Mad Signs | 05/18/2026 |
| DOB NOW | Sign | Signed-off | Mad Signs | 05/18/2026 |
| DOB NOW | Earth Work | Permit Issued | JRM Construction Management | 05/04/2026 |
| DOB NOW | General Construction | Permit Issued | JRM Construction Management | 04/28/2026 |
| DOB NOW | Sprinklers | Permit Issued | A Plus Plumbing | 04/23/2026 |
| DOB NOW | Plumbing | Permit Issued | A Plus Plumbing | 04/09/2026 |
| DOB NOW | General Construction | Permit Issued | JRM Construction Management | 03/26/2026 |
| DOB NOW | Mechanical Systems | Permit Issued | JRM Construction Management | 03/25/2026 |
| DOB NOW | Sign | Signed-off | Mad Signs | 03/19/2026 |
| DOB NOW | Sign | Signed-off | Mad Signs | 02/19/2026 |
| DOB NOW | Sign | Signed-off | Mad Signs | 02/19/2026 |
| DOB NOW | Supported Scaffold | Signed-off | Spring Scaffolding | 11/14/2025 |
| DOB NOW | General Construction | Permit Issued | Core Four Construction | 11/07/2025 |
| DOB NOW | Structural | Permit Issued | Core Four Construction | 11/06/2025 |
| DOB NOW | General Construction | Signed-off | Core Four Construction | 11/06/2025 |
| DOB NOW | Supported Scaffold | Signed-off | S&E Bridge & Scaffold | 09/24/2025 |
| DOB NOW | Structural | Signed-off | JRM Construction Management | 08/13/2025 |
| DOB NOW | Plumbing | Signed-off | A Plus Plumbing | 08/06/2025 |
| DOB NOW | Sprinklers | Signed-off | A + Sprinkler | 08/06/2025 |
| DOB NOW | General Construction | Signed-off | JRM Construction Management | 07/29/2025 |
| DOB NOW | Mechanical Systems | Signed-off | JRM Construction Management | 07/07/2025 |
| DOB NOW | General Construction | Permit Issued | JRM Construction Management | 06/03/2025 |
| DOB NOW | Mechanical Systems | Signed-off | DK Construction One | 05/27/2025 |
| DOB NOW | Plumbing | Signed-off | A Plus Plumbing | 05/01/2025 |
| DOB NOW | Sprinklers | Signed-off | A + Sprinkler | 05/01/2025 |
| DOB NOW | Sidewalk Shed | Signed-off | Spring Scaffolding | 04/25/2025 |
| DOB NOW | Structural | Signed-off | JRM Construction Management | 04/16/2025 |
| DOB NOW | Structural | Signed-off | JRM Construction Management | 03/19/2025 |
| DOB NOW | General Construction | Signed-off | JRM Construction Management | 03/11/2025 |
| DOB NOW | Sprinklers | Signed-off | A + Sprinkler | 03/10/2025 |
| DOB NOW | Mechanical Systems | Signed-off | JRM Construction Management | 03/07/2025 |
| DOB NOW | General Construction | Permit Issued | Core Four Construction | 01/30/2025 |
| DOB NOW | Structural | Permit Issued | Core Four Construction | 01/29/2025 |
| DOB NOW | Plumbing | Signed-off | A Plus Plumbing | 01/27/2025 |
| DOB NOW | Mechanical Systems | Signed-off | JRM Construction Management | 01/24/2025 |
| DOB NOW | General Construction | Signed-off | JRM Construction Management | 01/08/2025 |
| DOB NOW | General Construction | Signed-off | Core Four Construction | 12/22/2024 |
| Filed | Status | Contractor | Scope | Make / Model / Capacity |
|---|---|---|---|---|
| 03/19/2026 | Permit Issued | JRM Construction Management | Air Conditioning Systems | Cooling Trane TWE240K3BA/TAA240K3DAA 8,000 CFM · Split System ×1 TWE240K3BA/TTA240K3DAA 8,000 CFM · Split System ×1 |
| 10/25/2024 | Permit Issued | Dynamic Air Conditioning | Air Conditioning Systems | Cooling Trane RAUJC60FEF13A0D00001 795,910 BTU · Condensing Unit ×1 |
| Filed | Status | Contractor | Scope |
|---|---|---|---|
| 07/20/2026 | Permit Issued | Standard Fire Protection | 6 heads |
| 05/12/2026 | Permit Issued | A&H Express Plumbing & Heating | 219 heads |
| 04/23/2026 | Signed-off | A + Sprinkler | 554 heads |
| 03/19/2026 | Permit Issued | A Plus Plumbing | 209 heads |
| Filed | Status | Contractor | Scope |
|---|---|---|---|
| 04/23/2026 | Signed-off | A Plus Plumbing | Storm, Water/Sanitary |
| 03/19/2026 | Permit Issued | A Plus Plumbing | Water/Sanitary |
| 03/12/2026 | Signed-off | A Plus Plumbing | Water/Sanitary |
| 09/19/2021 | — | — | Water/Sanitary |
| Filed | Status | Contractor | Scope |
|---|---|---|---|
| 05/15/2026 | Permit Issued | Titan Electrical & Elev Contracting | General Wiring |
| 05/15/2026 | Permit Issued | Titan Electrical & Elev Contracting | — |
| 05/15/2026 | Permit Issued | Titan Electrical & Elev Contracting | General Wiring |
| 05/15/2026 | Permit Issued | Titan Electrical & Elev Contracting | — |
| 05/15/2026 | Permit Issued | Titan Electrical & Elev Contracting | 15 meters, 1 new_meters |
| 05/15/2026 | Permit Issued | Titan Electrical & Elev Contracting | General Wiring |
| 05/11/2026 | Permit Issued | Tuxedo Electrical Contracting | — |
| 04/09/2026 | Permit Issued | JSP Electl CNTNG | General Wiring |
| 03/30/2026 | Complete | Erne Valley Electrical | General Wiring |
| 04/25/2025 | Permit Issued | Cogen Electrical Services | General Wiring |
| 04/23/2025 | Complete | Top Shelf Electric | — |
| 02/05/2025 | Complete | Cogen Electrical Services | — |
| 12/28/2023 | Permit Issued | Mikoma Electric | General Wiring |
| 08/10/2023 | Permit Issued | Shelby Electrical | General Wiring |
| 05/10/2023 | Complete | P.E. Stone | General Wiring |
| Filed | Status | Contractor | Scope |
|---|---|---|---|
| 05/20/2026 | Permit Issued | JRM Construction Management | Steel, Concrete |
| 03/12/2026 | Signed-off | A Plus Plumbing | Steel, Concrete |
| 09/24/2021 | — | — | 1 scope_items |
| Date | Type | Result | Report |
|---|---|---|---|
| 06/12/2026 | Certified Water and Sanitary-WS-Sanitary Piping-Roughing | Certified | View ↗ |
| 04/14/2026 | Certified Sprinkler-SP-Fixtures-Finish | Certified | View ↗ |
| 04/09/2026 | Certified Water and Sanitary-WS-Fixtures-Finish | Certified | View ↗ |
| 04/08/2026 | Certified Remove/Cap - work done in accordance with code | Certified | View ↗ |
| 04/08/2026 | Certified Sprinkler-SP-Piping Dry/Wet-Hydrostatic Test | Certified | View ↗ |
| 04/07/2026 | Certified Remove/Cap - work done in accordance with code | Certified | View ↗ |
| 04/07/2026 | Certified Water and Sanitary-WS-Fixtures-Finish | Certified | View ↗ |
| 04/02/2026 | Certified Sprinkler-SP-Piping Dry/Wet-Hydrostatic Test | Certified | View ↗ |
| 03/30/2026 | Certified Sprinkler-SP-Fixtures-Finish | Certified | View ↗ |
| 03/30/2026 | Certified Water and Sanitary-WS-Sanitary Piping-Roughing | Certified | View ↗ |
| 01/21/2026 | Certified Remove/Cap - work done in accordance with code | Certified | View ↗ |
| 01/05/2026 | Pass-Final CND-Occupancy Inspection | Pass | View ↗ |
| 12/18/2025 | Pass-Final CND-Occupancy Inspection | Pass | View ↗ |
| 12/12/2025 | Certified Sprinkler-SP-Piping Dry/Wet-Hydrostatic Test | Certified | View ↗ |
| 12/11/2025 | Fail-Final CND-Occupancy Inspection | Fail | View ↗ |
| 12/10/2025 | Certified Sprinkler-SP-Fixtures-Finish | Certified | View ↗ |
| 12/01/2025 | Certified Water and Sanitary-WS-Fixtures-Finish | Certified | View ↗ |
| 11/14/2025 | Certified Water and Sanitary-WS-Sanitary Piping-Roughing | Certified | View ↗ |
| 10/14/2025 | Certified Water and Sanitary-WS-Sanitary Piping-Roughing | Certified | View ↗ |
| 06/27/2025 | Certified Sprinkler-SP-Piping Dry/Wet-Hydrostatic Test | Certified | View ↗ |
| 06/24/2025 | Certified Sprinkler-SP-Fixtures-Finish | Certified | View ↗ |
| 06/19/2025 | Certified Remove/Cap - work done in accordance with code | Certified | View ↗ |
| 06/09/2025 | Certified Water and Sanitary-WS-Sanitary Piping-Roughing | Certified | View ↗ |
| 04/17/2025 | Certified Remove/Cap - work done in accordance with code | Certified | View ↗ |
| 04/17/2025 | Certified Sprinkler-SP-Piping Dry/Wet-Hydrostatic Test | Certified | View ↗ |
| Date | Requirement | Inspector | Role |
|---|---|---|---|
| 07/27/2026 | Structural Stability – Alterations of existing buildings | Alec Strongin | special |
| 07/22/2026 | Sprinkler Systems | ANTHONY MUSUMECI | special |
| 07/07/2026 | Structural Stability – Alterations of existing buildings | Alec Strongin | special |
| 06/30/2026 | Final | ANTHONY MUSUMECI | progress |
| 06/30/2026 | Fire-Resistance Rated Construction | ANTHONY MUSUMECI | progress |
| 06/25/2026 | Fire-Resistance Rated Construction | ANTHONY MUSUMECI | progress |
| 06/25/2026 | Final | ANTHONY MUSUMECI | progress |
| 06/01/2026 | Sprinkler Systems | ANTHONY MUSUMECI | special |
| 05/22/2026 | Final | Christopher Pinto | progress |
| 05/22/2026 | Subgrade Inspections | Gregory Moormann | special |
| 05/22/2026 | Structural Steel - High Strength Bolting | WALIUR RAHMAN | special |
| 05/22/2026 | Sprayed fire-resistant materials | WALIUR RAHMAN | special |
| 05/22/2026 | Subsurface Investigations (Borings/Test Pits) | Gregory Moormann | special |
| 05/22/2026 | Concrete - Cast-In-Place | WALIUR RAHMAN | special |
| 05/22/2026 | Structural Steel - Welding | WALIUR RAHMAN | special |
| 05/22/2026 | Structural Steel - Details | WALIUR RAHMAN | special |
| 05/22/2026 | Footing and Foundation | WALIUR RAHMAN | progress |
| 05/22/2026 | Structural Stability – Alterations of existing buildings | Christopher Pinto | special |
| 05/20/2026 | Final | Christopher Pinto | progress |
| 05/20/2026 | Subsurface Investigations (Borings/Test Pits) | Gregory Moormann | special |
| 05/20/2026 | Subgrade Inspections | Gregory Moormann | special |
| 05/20/2026 | Structural Steel - Welding | WALIUR RAHMAN | special |
| 05/20/2026 | Structural Steel - High Strength Bolting | WALIUR RAHMAN | special |
| 05/20/2026 | Structural Steel - Details | WALIUR RAHMAN | special |
| 05/20/2026 | Structural Stability – Alterations of existing buildings | Christopher Pinto | special |
| Tenant | Space | Floors | Renovation projects |
|---|---|---|---|
| MoMath: National Museum of Mathematics | Arts / Culture / Entertainment | Cellar, Floors 1, 2, Roof | Project M01276091 Project M01163037 Project M01141627 Project M01141694 Project M01139602 Project M01158131 Project M01140826 Project M01139596 |
| DSM Firmenich | Laboratory | Floors 1–8, Roof | Project M01291761 Project M01221592 Project M01221594 Project M01221603 Project M01221608 |
| pear Street Capital | Office | Floor 8 | Project M01043540 Project M01043604 Project M01043607 |
| Infor | Office | Floors 3, 4, 8 | Project M00899675 Project M00899698 Project M00899707 Project M00596608 Project M00596647 Project M00596634 Project M00596091 |
| Firstmark Capital | Office | Floors 6–8 | Project M00859536 Project M00859543 Project M00859547 Project M00859551 Project M00865461 Project M00868376 Project M00868390 Project M00868403 |
| eBay | Office | Floor 12 | Project M00809394 |