| Owner | Filings | Most Recent |
|---|---|---|
| 3rd Avenue Blockfront | 8 | 03/21/2026 |
| Date | Price | Unit | Seller → Buyer | $/sf |
|---|---|---|---|---|
| 03/30/2023 | $247.6M | — | 3RD AVENUE BLOCKFRONT LLC → Lenox Hill Hospital | $1,033/sf building |
| Firm | Filings | Most Recent |
|---|---|---|
| Paul Perdek, Prof. Engineering | 6 | 12/19/2022 |
| Ancora Engineering | 1 | 12/01/2022 |
| Berzak Associates Architects | 2 | 02/21/2020 |
| KZ Engineering | 3 | 02/26/2019 |
| Representative | Filings | Most Recent |
|---|---|---|
| WJ Professional Expediting Co | 1 | 03/21/2026 |
| Synergy Building Consultants | 3 | 03/21/2026 |
| A1 Expediting Service | 12 | 03/21/2026 |
| Berzak Schoen Consultants | 4 | 03/21/2026 |
| Firm | Trade | Roles | Most Recent |
|---|---|---|---|
| Arsenal Scaffold | Scaffold | 17 | 07/08/2026 |
| Lendlease (US) Construction | General Contractor | 2 | 03/21/2026 |
| Par Environmental | General Contractor | 2 | 03/21/2026 |
| E-J Electric Installation Co | Electrical | 1 | 03/22/2026 |
| Nash Electric Services | Electrical | 1 | 03/21/2026 |
| Current Fire Protection | Fire Protection | 1 | 07/08/2026 |
| Agency | License # | Filings | Most Recent |
|---|---|---|---|
| Ancora Engineering | 6818 | 1 | 12/01/2022 |
| Alan Margolin & Associates | 423 | 1 | 02/21/2020 |
| Berzakassociatesarchitect | 3661 | 1 | 02/21/2020 |
| Source | Work Type | Status | Applicant | Issued |
|---|---|---|---|---|
| DOB NOW | Construction Fence | Signed-off | Arsenal Scaffold | 03/17/2023 |
| DOB NOW | Structural | Signed-off | Par Environmental | 12/07/2022 |
| DOB NOW | Supported Scaffold | Signed-off | Arsenal Scaffold | 10/05/2022 |
| DOB NOW | Sidewalk Shed | Signed-off | Arsenal Scaffold | 10/03/2022 |
| DOB NOW | Protection and Mechanical Methods | Signed-off | Arsenal Scaffold | 10/03/2022 |
| DOB NOW | Construction Fence | Signed-off | Arsenal Scaffold | 10/03/2022 |
| DOB NOW | Sprinklers | Signed-off | Current Fire Protection I | 03/10/2020 |
| DOB NOW | Mechanical Systems | Signed-off | Lendlease (US) Construction | 03/09/2020 |
| DOB NOW | Supported Scaffold | Signed-off | Arsenal Scaffold | 03/27/2019 |
| DOB NOW | Construction Fence | Signed-off | Arsenal Scaffold | 03/27/2019 |
| DOB NOW | Sidewalk Shed | Signed-off | Arsenal Scaffold | 03/27/2019 |
| DOB NOW | Construction Fence | Signed-off | Arsenal Scaffold | 02/27/2019 |
| DOB NOW | Supported Scaffold | Signed-off | Arsenal Scaffold | 02/27/2019 |
| DOB NOW | Sidewalk Shed | Signed-off | Arsenal Scaffold | 02/27/2019 |
| BIS | EQ | ISSUED | Par Environmental | 01/13/2023 |
| BIS | — | ISSUED | Par Environmental | 01/13/2023 |
| BIS | — | ISSUED | Lendlease (US) Construction | 06/11/2020 |
| BIS | EQ | ISSUED | Par Environmental | 01/24/2019 |
| BIS | MH | ISSUED | New York Sign City | 08/04/2004 |
| BIS | EQ | ISSUED | Selby Construction | 12/30/1993 |
| BIS | OT | ISSUED | Selby Construction | 12/30/1993 |
| Filed | Status | Contractor | Scope |
|---|---|---|---|
| 06/10/2019 | Complete | E-J Electric Installation Co | General Wiring |
| 02/06/2019 | Complete | Nash Electric Services | — |
| Date | Requirement | Inspector | Role |
|---|---|---|---|
| 02/21/2020 | Mechanical Systems | Michael Berzak | special |
| 02/21/2020 | Final | Michael Berzak | progress |
| 02/21/2020 | Sprinkler Systems | Young Suh | special |
| 01/25/2019 | Final | Karol Zdancewicz | progress |
| 01/25/2019 | Final | Karol Zdancewicz | progress |
| 01/25/2019 | Final | Karol Zdancewicz | progress |
| Tenant | Space | Floors | Renovation projects |
|---|---|---|---|
| Lenox Hill Hospital | Medical / Healthcare | Entire building | Project M08047291 Project M00762661 Project M00762639 Project M00762641 Project M00764400 Project M00320081 Project M00320134 Project M00123762 Project M00123767 Project M00123777 |