| Owner | Filings | Most Recent |
|---|---|---|
| 531-539 Sixth Avenue | 46 | 03/22/2026 |
| Gemini Rosemont Development Service | 26 | 07/08/2026 |
| Six Avenue Chelsea | 2 | 03/21/2026 |
| Date | Price | Unit | Seller → Buyer | $/sf |
|---|---|---|---|---|
| 04/18/2017 | $42.4M | — | Private party → 531-539 SIXTH AVENUE LLC | — not available |
| Firm | Filings | Most Recent |
|---|---|---|
| HKC Engineering | 7 | 01/13/2025 |
| Jeon Consulting | 4 | 11/26/2024 |
| Prospect Associates | 1 | 03/21/2024 |
| McNamara Salvia of New York | 1 | 05/16/2023 |
| Plan B Engineering | 10 | 04/19/2022 |
| Joel Phagoo P.E | 1 | 05/04/2021 |
| Structuretech New York | 1 | 09/27/2019 |
| Lombardo Professional Engineering | 1 | 05/09/2019 |
| Structuretech NY | 1 | 11/30/2018 |
| KZ Engineering | 2 | 04/23/2018 |
| Rohit Khera | 2 | 02/27/2018 |
| Representative | Filings | Most Recent |
|---|---|---|
| Eurocelt Expediting | 20 | 03/21/2026 |
| BMB Building Consulting | 2 | 03/21/2026 |
| JM Zoning | 22 | 03/21/2026 |
| KD Designs | 2 | 03/21/2026 |
| Lombardo Building Consultants | 6 | 03/21/2026 |
| Synergy Building Consultants | 2 | 03/21/2026 |
| A1 Expediting Service | 2 | 03/21/2026 |
| Firm | Trade | Roles | Most Recent |
|---|---|---|---|
| Platform Solutions | Scaffold | 24 | 07/08/2026 |
| Tri Borough Scaffolding | Scaffold | 23 | 07/08/2026 |
| Alba Services | Scaffold | 6 | 07/08/2026 |
| Structuretech New York | Scaffold | 5 | 07/08/2026 |
| Ransd Design | General Contractor | 5 | 07/08/2026 |
| Manhattan Electrical Cont Services | Electrical | 2 | 03/22/2026 |
| I Do Plumbing & Heating | Plumbing | 1 | 07/08/2026 |
| Omd Electrical | Electrical | 1 | 03/21/2026 |
| Star-Delta Electric | Electrical | 1 | 03/22/2026 |
| Unitech Design | Sign hanger | 1 | 07/08/2026 |
| Avon Plumbing & Heating | Fire Protection | 1 | 07/08/2026 |
| Atmos Electric Svce | Electrical | 1 | 03/22/2026 |
| Agency | License # | Filings | Most Recent |
|---|---|---|---|
| Chong Engineering | 7411 | 11 | 01/13/2025 |
| Joel Phagoo, PE | 2416 | 1 | 05/04/2021 |
| Source | Work Type | Status | Applicant | Issued |
|---|---|---|---|---|
| DOB NOW | General Construction | Signed-off | Ransd Design | 07/01/2024 |
| DOB NOW | Sign | Signed-off | Unitech Design | 03/26/2024 |
| DOB NOW | Plumbing | Signed-off | I Do Plumbing & Heating | 09/15/2023 |
| DOB NOW | Sprinklers | Signed-off | Avon Plumbing & Heating | 09/15/2023 |
| DOB NOW | General Construction | Signed-off | Ransd Design | 06/30/2023 |
| DOB NOW | Mechanical Systems | Signed-off | Ransd Design | 06/30/2023 |
| DOB NOW | Construction Fence | Signed-off | Platform Solutions | 08/16/2021 |
| DOB NOW | Construction Fence | Signed-off | Platform Solutions | 08/12/2021 |
| DOB NOW | Sidewalk Shed | Signed-off | Platform Solutions | 08/12/2021 |
| DOB NOW | Supported Scaffold | Signed-off | Tri Borough Scaffolding | 05/05/2021 |
| DOB NOW | Sidewalk Shed | Signed-off | Platform Solutions | 08/13/2020 |
| DOB NOW | Construction Fence | Signed-off | Platform Solutions | 08/13/2020 |
| DOB NOW | Construction Fence | Signed-off | Platform Solutions | 08/13/2020 |
| DOB NOW | Supported Scaffold | Signed-off | Structuretech New York | 09/30/2019 |
| DOB NOW | Sidewalk Shed | Signed-off | Platform Solutions | 08/12/2019 |
| DOB NOW | Construction Fence | Signed-off | Platform Solutions | 08/12/2019 |
| DOB NOW | Construction Fence | Signed-off | Platform Solutions | 08/12/2019 |
| DOB NOW | Construction Fence | Signed-off | Platform Solutions | 07/22/2019 |
| DOB NOW | Sidewalk Shed | Signed-off | Platform Solutions | 06/24/2019 |
| DOB NOW | Construction Fence | Signed-off | Structuretech New York | 05/09/2019 |
| DOB NOW | Construction Fence | Signed-off | Structuretech New York | 04/02/2019 |
| DOB NOW | Construction Fence | Signed-off | Structuretech New York | 12/10/2018 |
| DOB NOW | Construction Fence | Signed-off | Platform Solutions | 09/20/2018 |
| DOB NOW | Sidewalk Shed | Signed-off | Tri Borough Scaffolding | 05/15/2018 |
| DOB NOW | Sidewalk Shed | Signed-off | Tri Borough Scaffolding | 05/15/2018 |
| DOB NOW | Sidewalk Shed | Signed-off | Tri Borough Scaffolding | 05/15/2018 |
| DOB NOW | Sidewalk Shed | Signed-off | Tri Borough Scaffolding | 05/15/2018 |
| DOB NOW | Sidewalk Shed | Signed-off | Tri Borough Scaffolding | 04/24/2018 |
| DOB NOW | Supported Scaffold | Signed-off | Tri Borough Scaffolding | 04/24/2018 |
| DOB NOW | Sidewalk Shed | Signed-off | Tri Borough Scaffolding | 04/23/2018 |
| DOB NOW | Supported Scaffold | Signed-off | Tri Borough Scaffolding | 04/23/2018 |
| DOB NOW | Construction Fence | Signed-off | Alba Services | 03/22/2018 |
| DOB NOW | Construction Fence | Signed-off | Alba Services | 03/22/2018 |
| DOB NOW | Construction Fence | Signed-off | Alba Services | 02/28/2018 |
| DOB NOW | Construction Fence | Signed-off | Alba Services | 02/23/2018 |
| BIS | — | ISSUED | New Line Structures & Development | 06/30/2022 |
| BIS | — | ISSUED | New Line Structures & Development | 06/28/2022 |
| BIS | — | ISSUED | New Line Structures & Development | 03/18/2022 |
| BIS | — | ISSUED | New Line Structures & Development | 03/18/2022 |
| BIS | — | ISSUED | New Line Structures & Development | 03/18/2022 |
| Filed | Status | Contractor | Scope |
|---|---|---|---|
| 09/25/2024 | Complete | Omd Electrical | 1 meters, 1 new_meters |
| 03/31/2024 | Complete | Atmos Electric Svce | — |
| 03/31/2024 | Complete | Atmos Electric Svce | — |
| 11/28/2022 | Complete | Manhattan Electrical Cont Services | 50 meters, 50 new_meters |
| 06/07/2022 | Complete | Manhattan Electrical Cont Services | General Wiring |
| 06/07/2022 | Complete | Corporate Electric Group | — |
| 02/05/2021 | Complete | RX Electric | 2 meters, 2 new_meters |
| 01/04/2020 | Complete | Jam Electrical | — |
| 10/10/2019 | Complete | Manhattan Electrical Cont Services | — |
| 06/18/2019 | Complete | Star-Delta Electric | — |
| 01/10/2019 | Complete | RX Electric | 2 meters, 2 new_meters |
| 02/28/2018 | Complete | V. Vass Electric | — |
| 02/24/2018 | Permit Issued | V. Vass Electric | — |
| Date | Type | Result | Report |
|---|---|---|---|
| 12/12/2024 | Pass-Final General Construction Non-Directive 14 | Pass | View ↗ |
| 07/31/2024 | Pass-Final Sign Permit Inspection | Pass | View ↗ |
| 07/22/2024 | Fail-Final General Construction Non-Directive 14 | Fail | View ↗ |
| 07/05/2024 | Pass-Final PL - Up to 3 Requested Floors | Pass | View ↗ |
| 06/17/2024 | Certified Sprinkler-SP-Piping Dry/Wet-Hydrostatic Test | Certified | View ↗ |
| 06/14/2024 | Certified Sprinkler-SP-Fixtures-Finish | Certified | View ↗ |
| 06/11/2024 | Certified Remove/Cap - work done in accordance with code | Certified | View ↗ |
| 02/08/2024 | Certified Water and Sanitary-WS-Sanitary Piping-Roughing | Certified | View ↗ |
| 02/08/2024 | Certified Water and Sanitary-WS-Sanitary Piping-Underground | Certified | View ↗ |
| Date | Requirement | Inspector | Role |
|---|---|---|---|
| 01/15/2025 | Tenant Protection Plan Compliance | Tae Chong | special |
| 01/15/2025 | Fire-Resistant Penetrations and Joints | Tae Chong | special |
| 01/07/2025 | Tenant Protection Plan Compliance | — | special |
| 01/07/2025 | Fire-Resistant Penetrations and Joints | Tae Chong | special |
| 11/21/2024 | Tenant Protection Plan Compliance | — | special |
| 11/20/2024 | Fire-Resistant Penetrations and Joints | Tae Chong | special |
| 08/06/2024 | Mechanical Systems | Tae Chong | special |
| 08/06/2024 | Final | Tae Chong | progress |
| 08/06/2024 | Shutoff dampers | Tae Chong | energy_progress |
| 08/06/2024 | Lighting controls | Tae Chong | energy_progress |
| 08/06/2024 | HVAC-R and service water heating system controls | Tae Chong | energy_progress |
| 08/06/2024 | HVAC-R and service water piping design and insulation | Tae Chong | energy_progress |
| 08/06/2024 | Interior lighting power | Tae Chong | energy_progress |
| 08/06/2024 | Maintenance information | Tae Chong | energy_progress |
| 08/06/2024 | HVAC-R and service water heating equipment | Tae Chong | energy_progress |
| 08/06/2024 | Tenant Protection Plan Compliance | Tae Chong | special |
| 08/02/2024 | Public Assembly Emergency Lighting | Tae Chong | progress |
| 03/18/2024 | Final | JUSTIN KIM | progress |
| 01/23/2024 | Maintenance information | Tae Chong | energy_progress |
| 01/23/2024 | Tenant Protection Plan Compliance | — | special |
| 01/23/2024 | Fire-Resistant Penetrations and Joints | Tae Chong | special |
| 01/23/2024 | Fire-Resistant Penetrations and Joints | Tae Chong | special |
| 01/23/2024 | Tenant Protection Plan Compliance | — | special |
| 01/23/2024 | Mechanical Systems | Tae Chong | special |
| 01/23/2024 | Tenant Protection Plan Compliance | — | special |
| Tenant | Space | Floors | Renovation projects |
|---|---|---|---|
| Oases | Retail | Floor 1 | Project M01021467 |
| Oases Urban Eatery & Drinks | Restaurant / Food Service | Cellar, Floors 1, 3 | Project M00862932 Project M00862933 Project M00862935 Project M00862936 |