| Owner | Filings | Most Recent |
|---|---|---|
| 155 W 23 Leasehold | 63 | 03/21/2026 |
| MC Real Estate Partners | 34 | 04/09/2026 |
| Kaufman Organization | 28 | 03/21/2026 |
| 23 Flatiron | 9 | 03/22/2026 |
| F.M. Ring Associates | 4 | 03/21/2026 |
| Solidcore | 3 | 03/22/2026 |
| 155 West 23rd Street Properties | 1 | 03/22/2026 |
| Date | Price | Unit | Seller → Buyer | $/sf |
|---|---|---|---|---|
| 09/10/2015 | $57.2M | — | 155 WEST 23RD STREET OWNER LLC → HLP PROPERTIES, LLC | $830/sf building |
| 01/13/2014 | $18.7M | — | — → — | $272/sf building |
| Firm | Filings | Most Recent |
|---|---|---|
| Jason M Aptowitz Consulting Engineering | 3 | 06/25/2024 |
| Case Engineering | 3 | 12/04/2023 |
| Custodio Consulting | 2 | 12/01/2023 |
| Dxu | 1 | 04/26/2023 |
| 2LS Consulting Engineering | 15 | 02/13/2023 |
| Stamp Architecture | 5 | 08/03/2022 |
| KZ Engineering | 1 | 07/05/2022 |
| Silman | 4 | 06/18/2021 |
| Patuxent Engineering | 2 | 06/07/2021 |
| Robert Derector Associates | 4 | 09/17/2020 |
| Asda Architecture + Design | 1 | 09/25/2018 |
| DJ Associates Architect | 1 | 05/16/2018 |
| Representative | Filings | Most Recent |
|---|---|---|
| Skyline Access | 1 | 03/21/2026 |
| KM Associates of New York | 3 | 03/21/2026 |
| Soldicore | 6 | 03/21/2026 |
| Municipal Building Consultants | 3 | 03/21/2026 |
| Synergy Building Consultants | 1 | 03/21/2026 |
| Empire City Consuntants | 4 | 03/21/2026 |
| Sme Professional Design & Consultan | 2 | 03/21/2026 |
| Patuxent Engineering | 4 | 03/21/2026 |
| Expedia Building Solution | 1 | 03/21/2026 |
| K & M Associates | 3 | 03/21/2026 |
| Firm | Trade | Roles | Most Recent |
|---|---|---|---|
| Select Commercial Construction* | General Contractor | 12 | 03/21/2026 |
| Structure Tone | General Contractor | 12 | 07/08/2026 |
| Accurate Mechanical | Fire Protection | 8 | 07/08/2026 |
| JRR Contracting | General Contractor | 6 | 07/08/2026 |
| Manhattan D Enterprises | Scaffold | 5 | 07/08/2026 |
| P & D Mechanical | Fire Protection | 5 | 07/08/2026 |
| Baliant Contracting | Scaffold | 3 | 03/21/2026 |
| Tristate Plumbing Services | Plumbing | 2 | 07/08/2026 |
| Freedom Electl & Data | Electrical | 2 | 03/22/2026 |
| CM Plumbing | Plumbing | 2 | 07/08/2026 |
| Tristate Plumbing Services | Fire Protection | 2 | 07/08/2026 |
| Village P & H NY | Fire Protection | 1 | 07/08/2026 |
| Dola Electrical Co | Electrical | 1 | 03/21/2026 |
| Ecny Electrical Contractors | Electrical | 1 | 03/22/2026 |
| Lemx | Scaffold | 1 | 07/08/2026 |
| Service Sign Erectors Co | Sign hanger | 1 | 07/08/2026 |
| Village P & H NY | Plumbing | 1 | 07/08/2026 |
| 5 J'S Electl Conts | Electrical | 1 | 03/22/2026 |
| Agency | License # | Filings | Most Recent |
|---|---|---|---|
| Metric Consulting and Ins | 1803 | 2 | 06/25/2024 |
| Custodio Consulting | 1835 | 3 | 12/04/2023 |
| Stracar Special Inspectio | 229 | 2 | 12/01/2023 |
| Alan Margolin & Associates | 423 | 18 | 02/13/2023 |
| Jason M Aptowitz Consulting | 5671 | 1 | 04/19/2021 |
| Delta Testing Labs | 687 | 3 | 09/17/2020 |
| Source | Work Type | Status | Applicant | Issued |
|---|---|---|---|---|
| DOB NOW | Suspended Scaffold | Permit Issued | Skyline Restoration | 08/13/2025 |
| DOB NOW | General Construction | Signed-off | Select Commercial Construction* | 08/24/2023 |
| DOB NOW | Mechanical Systems | Signed-off | Select Commercial Construction* | 08/24/2023 |
| DOB NOW | General Construction | Signed-off | JRR Contracting | 08/07/2023 |
| DOB NOW | Sprinklers | Signed-off | Village P & H NY | 06/24/2023 |
| DOB NOW | Plumbing | Signed-off | Village P & H NY | 06/23/2023 |
| DOB NOW | General Construction | Signed-off | Select Commercial Construction* | 05/03/2023 |
| DOB NOW | Mechanical Systems | Signed-off | Select Commercial Construction* | 05/02/2023 |
| DOB NOW | Sprinklers | Signed-off | Accurate Mechanical | 01/31/2023 |
| DOB NOW | Sprinklers | Signed-off | Accurate Mechanical | 01/31/2023 |
| DOB NOW | Sprinklers | Signed-off | Accurate Mechanical | 12/07/2022 |
| DOB NOW | Sprinklers | Signed-off | Accurate Mechanical | 12/07/2022 |
| DOB NOW | Supported Scaffold | Signed-off | Lemx | 07/06/2022 |
| DOB NOW | Sidewalk Shed | Signed-off | Manhattan D Enterprises | 04/09/2022 |
| DOB NOW | General Construction | Signed-off | JRR Contracting | 03/21/2022 |
| DOB NOW | General Construction | Signed-off | JRR Contracting | 09/30/2021 |
| DOB NOW | Sprinklers | Signed-off | Accurate Mechanical | 08/20/2021 |
| DOB NOW | Sprinklers | Signed-off | Accurate Mechanical | 08/20/2021 |
| DOB NOW | Sprinklers | Signed-off | Accurate Mechanical | 08/20/2021 |
| DOB NOW | Sprinklers | Signed-off | Accurate Mechanical | 08/20/2021 |
| DOB NOW | Structural | Signed-off | Structure Tone | 08/11/2021 |
| DOB NOW | General Construction | Signed-off | JRR Contracting | 08/05/2021 |
| DOB NOW | Mechanical Systems | Signed-off | Structure Tone | 07/20/2021 |
| DOB NOW | Sprinklers | Signed-off | P & D Mechanical | 07/16/2021 |
| DOB NOW | Sprinklers | Signed-off | P & D Mechanical | 07/16/2021 |
| DOB NOW | Sprinklers | Signed-off | P & D Mechanical | 07/16/2021 |
| DOB NOW | Plumbing | Signed-off | CM Plumbing | 07/16/2021 |
| DOB NOW | Plumbing | Signed-off | CM Plumbing | 07/16/2021 |
| DOB NOW | General Construction | Signed-off | Structure Tone | 07/08/2021 |
| DOB NOW | General Construction | Signed-off | Structure Tone | 07/08/2021 |
| DOB NOW | Sprinklers | Signed-off | P & D Mechanical | 06/29/2021 |
| DOB NOW | Structural | Signed-off | Structure Tone | 06/24/2021 |
| DOB NOW | Mechanical Systems | Signed-off | Structure Tone | 06/23/2021 |
| DOB NOW | Sprinklers | Signed-off | P & D Mechanical | 05/27/2021 |
| DOB NOW | General Construction | Signed-off | Structure Tone | 05/18/2021 |
| DOB NOW | Sidewalk Shed | Signed-off | Manhattan D Enterprises | 04/15/2021 |
| DOB NOW | Plumbing | Signed-off | Tristate Plumbing Services | 02/11/2021 |
| DOB NOW | Sprinklers | Signed-off | Tristate Plumbing Services | 02/11/2021 |
| DOB NOW | Sidewalk Shed | Signed-off | Manhattan D Enterprises | 04/08/2020 |
| DOB NOW | Mechanical Systems | Signed-off | Structure Tone | 01/28/2020 |
| Filed | Status | Contractor | Scope |
|---|---|---|---|
| 12/03/2025 | Complete | Ecny Electrical Contractors | General Wiring |
| 07/01/2025 | Complete | Ecny Electrical Contractors | General Wiring |
| 07/01/2025 | Complete | Ecny Electrical Contractors | General Wiring |
| 07/01/2025 | Complete | Ecny Electrical Contractors | General Wiring |
| 06/25/2025 | Complete | Ecny Electrical Contractors | General Wiring |
| 06/25/2025 | Complete | Ecny Electrical Contractors | General Wiring |
| 08/09/2024 | Complete | Uni-Lite Electric | General Wiring |
| 01/03/2024 | Complete | Interstate Electric | General Wiring |
| 01/05/2021 | Complete | Uni-Lite Electric | General Wiring |
| 12/17/2020 | Complete | Freedom Electl & Data | General Wiring |
| 03/19/2020 | Complete | 5 J'S Electl Conts | — |
| 03/19/2020 | Complete | 5 J'S Electl Conts | — |
| 01/23/2019 | Complete | Horsepower Electric | 3 meters, 1 new_meters |
| 01/21/2019 | Complete | Salvatore Campisi & Sons | General Wiring |
| 10/17/2018 | Complete | Multi-Tech Electric | General Wiring |
| Date | Type | Result | Report |
|---|---|---|---|
| 12/13/2023 | Certified Sprinkler-SP-Piping Dry/Wet-Hydrostatic Test | Certified | View ↗ |
| 12/13/2023 | Certified Water and Sanitary-WS-Fixtures-Finish | Certified | View ↗ |
| 12/12/2023 | Certified Sprinkler-SP-Fixtures-Finish | Certified | View ↗ |
| 06/28/2023 | Certified Water and Sanitary-WS-Sanitary Piping-Roughing | Certified | View ↗ |
| 06/26/2023 | Certified Remove/Cap - work done in accordance with code | Certified | View ↗ |
| 02/08/2023 | Certified Sprinkler-SP-Fixtures-Finish | Certified | View ↗ |
| 02/03/2023 | Certified Sprinkler-SP-Piping Dry/Wet-Hydrostatic Test | Certified | View ↗ |
| 01/20/2023 | Certified Remove/Cap - work done in accordance with code | Certified | View ↗ |
| 12/21/2022 | Certified Sprinkler-SP-Fixtures-Finish | Certified | View ↗ |
| 12/19/2022 | Certified Sprinkler-SP-Piping Dry/Wet-Hydrostatic Test | Certified | View ↗ |
| 02/10/2022 | Certified Water and Sanitary-WS-Fixtures-Finish | Certified | View ↗ |
| 08/30/2021 | Certified Water and Sanitary-WS-Sanitary Piping-Roughing | Certified | View ↗ |
| Date | Requirement | Inspector | Role |
|---|---|---|---|
| 06/25/2024 | Structural Stability – Alterations of existing buildings | SAMI HAJJAR P.E | special |
| 06/25/2024 | Final | SAMI HAJJAR P.E | progress |
| 06/25/2024 | Structural Steel - Welding | SAMI HAJJAR P.E | special |
| 06/25/2024 | Structural Steel - High Strength Bolting | SAMI HAJJAR P.E | special |
| 06/25/2024 | Structural Steel - Details | SAMI HAJJAR P.E | special |
| 06/25/2024 | Sprayed fire-resistant materials | SAMI HAJJAR P.E | special |
| 06/25/2024 | Concrete - Cast-In-Place | SAMI HAJJAR P.E | special |
| 12/04/2023 | Duct leakage testing, insulation and design | Anthony Caserma | energy_progress |
| 12/04/2023 | Lighting controls | Anthony Caserma | energy_progress |
| 12/04/2023 | Sprinkler Systems | MIRO Stracar | special |
| 12/04/2023 | Final | Anthony Caserma | progress |
| 12/04/2023 | Interior lighting power | Anthony Caserma | energy_progress |
| 12/04/2023 | Mechanical Systems | Anthony Caserma | special |
| 12/04/2023 | HVAC-R and service water piping design and insulation | Anthony Caserma | energy_progress |
| 12/04/2023 | Shutoff dampers | Anthony Caserma | energy_progress |
| 11/08/2023 | Interior lighting power | Anthony Caserma | energy_progress |
| 11/08/2023 | Sprinkler Systems | MIRO Stracar | special |
| 11/08/2023 | Lighting controls | Anthony Caserma | energy_progress |
| 11/08/2023 | Duct leakage testing, insulation and design | Anthony Caserma | energy_progress |
| 11/08/2023 | Final | Anthony Caserma | progress |
| 11/08/2023 | Mechanical Systems | Anthony Caserma | special |
| 11/08/2023 | Shutoff dampers | Anthony Caserma | energy_progress |
| 11/08/2023 | HVAC-R and service water piping design and insulation | Anthony Caserma | energy_progress |
| 03/09/2023 | Fire-Resistance Rated Construction | Anthony Caserma | progress |
| 03/09/2023 | Final | Anthony Caserma | progress |
| Tenant | Space | Floors | Renovation projects |
|---|---|---|---|
| Solidcore | Fitness / Recreation | Floor 1 | Project M00841777 Project M00841836 Project M00841879 Project M00842233 |
| Futures Action Network | Office | Floors 10–12 | Project M00486480 Project M00487383 Project M00487697 Project M00530956 Project M00534327 Project M00534346 Project M00534356 Project M00527097 Project M00532499 Project M00521705 Project M00492079 |
| Ripple | Office | Floor 8 | Project M00274405 Project M00282968 Project M00282413 |