| Owner | Filings | Most Recent |
|---|---|---|
| HALDEN REALTY | 16 | 04/09/2026 |
| THREE STAR CONSTRUCTION GROUP | 11 | 07/08/2026 |
| RELIABLE ENTERPRISES | 6 | 04/09/2026 |
| GOLDSTAR | 6 | 04/09/2026 |
| Date | Price | Unit | Seller → Buyer | $/sf |
|---|---|---|---|---|
| 06/05/2025 | $6.5M | — | HALDEN REALTY LLC → WEST 51ST STREET HOLDING 317A LLC | $2,083/sf building |
| Firm | Filings | Most Recent |
|---|---|---|
| LEDER-LUIS ARCHITECTURAL DESIGN, PL | 5 | 07/25/2023 |
| EMPIRE DESIGN CORP | 3 | 01/30/2023 |
| ENTHINK ENGINEERS LLC | 1 | 07/07/2020 |
| ASE PLLC | 1 | 06/05/2020 |
| NAVI STRUCTURAL ENGINEERING, PLLC | 1 | 05/13/2020 |
| Representative | Filings | Most Recent |
|---|---|---|
| EUROCELT EXPEDITING, INC | 2 | 03/21/2026 |
| ALL CITY EXPEDITING | 6 | 03/21/2026 |
| JUST ARCHITECTURE | 2 | 03/21/2026 |
| XPDITE GROUP LLC (104) | 5 | 03/21/2026 |
| Firm | Trade | Roles | Most Recent |
|---|---|---|---|
| THREE STAR CONSTRUCTION G | General Contractor | 5 | 07/08/2026 |
| K-SQUARE DEVELOPERS INC | General Contractor | 4 | 04/09/2026 |
| RELIABLE ENTERPRISES INC | General Contractor | 3 | 04/09/2026 |
| JULIO C LEDER-LUIS | Electrical | 2 | 03/21/2026 |
| REPUBLIC SCAFFOLD&HOIST C | General Contractor | 2 | 04/09/2026 |
| MEGA PLBG CORP | Plumbing | 1 | 07/08/2026 |
| MILL BROOK FIRE PROTECTION | Fire Protection | 1 | 07/08/2026 |
| REPUBLIC EXTERIOR SERVICE | General Contractor | 1 | 04/09/2026 |
| EDGAR LEVENSTEIN | Electrical | 1 | 03/21/2026 |
| Agency | License # | Filings | Most Recent |
|---|---|---|---|
| EMPIRE DESIGN CORP | 5474 | 3 | 01/30/2023 |
| LEDER-LUIS ARCHITECTURAL | 1553 | 1 | 12/22/2020 |
| ASE ENGINEERING PLLC | 5785 | 1 | 06/05/2020 |
| Source | Work Type | Status | Applicant | Issued |
|---|---|---|---|---|
| DOB NOW | Sprinklers | Signed-off | LEGUCI PIPING&HEATING LLC | 06/07/2023 |
| DOB NOW | Supported Scaffold | Signed-off | THREE STAR CONSTRUCTION G | 02/13/2023 |
| DOB NOW | Supported Scaffold | Signed-off | RELIABLE ENTERPRISES INC | 07/28/2022 |
| DOB NOW | Sidewalk Shed | Signed-off | REPUBLIC EXTERIOR SERVICE | 04/02/2022 |
| DOB NOW | Supported Scaffold | Signed-off | THREE STAR CONSTRUCTION G | 01/13/2022 |
| DOB NOW | Supported Scaffold | Signed-off | THREE STAR CONSTRUCTION G | 12/02/2021 |
| DOB NOW | Plumbing | Signed-off | MEGA PLBG CORP | 08/19/2021 |
| DOB NOW | Supported Scaffold | Signed-off | RELIABLE ENTERPRISES INC | 07/12/2021 |
| DOB NOW | Sidewalk Shed | Signed-off | REPUBLIC SCAFFOLD&HOIST C | 06/21/2021 |
| DOB NOW | Construction Fence | Signed-off | K-SQUARE DEVELOPERS INC | 06/21/2021 |
| DOB NOW | Construction Fence | Signed-off | K-SQUARE DEVELOPERS INC | 08/19/2020 |
| DOB NOW | Supported Scaffold | Signed-off | RELIABLE ENTERPRISES INC | 07/08/2020 |
| DOB NOW | Structural | Signed-off | K-SQUARE DEVELOPERS INC | 07/02/2020 |
| DOB NOW | Sidewalk Shed | Signed-off | REPUBLIC SCAFFOLD&HOIST C | 05/14/2020 |
| BIS | OT | ISSUED | K-SQUARE DEVELOPERS INC | 05/02/2022 |
| BIS | — | ISSUED | K-SQUARE DEVELOPERS INC | 04/06/2022 |
| BIS | OT | ISSUED | K-SQUARE DEVELOPERS INC | 08/03/2021 |
| BIS | OT | ISSUED | K-SQUARE DEVELOPERS INC | 07/13/2020 |
| BIS | — | ISSUED | N/A | 08/19/1991 |
| Filed | Status | Contractor | Scope |
|---|---|---|---|
| 03/19/2024 | Complete | CONTACT PLUS ELEC'L CORP | General Wiring |
| 10/17/2022 | Complete | CONTACT PLUS ELEC'L CORP | General Wiring |
| 12/15/2021 | Complete | IQ ELECTRICAL CONTRACTING | General Wiring |
| 05/07/2020 | Complete | V. VASS ELECTRIC CORP | — |
| Date | Type | Result | Report |
|---|---|---|---|
| 01/29/2024 | Certified Water and Sanitary-WS-Fixtures-Finish | Certified | View ↗ |
| 01/19/2024 | Certified Sprinkler-SP-Fixtures-Finish | Certified | View ↗ |
| 01/08/2024 | Certified Sprinkler-SP-Piping Dry/Wet-Hydrostatic Test | Certified | View ↗ |
| 05/24/2023 | Certified Sprinkler-SP-Piping Dry/Wet-Hydrostatic Test | Certified | View ↗ |
| 09/01/2022 | Certified Water and Sanitary-WS-Sanitary Piping-Roughing | Certified | View ↗ |
| 10/08/2021 | Certified Water and Sanitary-WS-Sanitary Piping-Underground | Certified | View ↗ |
| Date | Requirement | Inspector | Role |
|---|---|---|---|
| 07/25/2023 | Fire-Resistance Rated Construction | Julio Leder-Luis | progress |
| 07/25/2023 | Energy Code Compliance Inspections | Julio Leder-Luis | progress |
| 07/20/2023 | Fire-Resistance Rated Construction | Julio Leder-Luis | progress |
| 07/20/2023 | Energy Code Compliance Inspections | Julio Leder-Luis | progress |
| 01/30/2023 | Post-installed Anchors | Md Rashid | special |
| 03/03/2022 | Post-installed Anchors | Md Rashid | special |
| 06/07/2021 | Fire-Resistance Rated Construction | — | progress |
| 06/07/2021 | Energy Code Compliance Inspections | — | progress |
| 12/18/2020 | Sprinkler Systems | Julio Leder-Luis | special |