| Owner | Filings | Most Recent |
|---|---|---|
| SLATE PG | 125 | 09/23/2026 |
| COLUMBUS TOWNHOUSE ASSOCIATES | 30 | 03/21/2026 |
| PLATINUM SERVICES NY | 17 | 07/08/2026 |
| SLATE PROPERTY GROUP | 9 | 03/22/2026 |
| GRENADIER REALTY CORP. | 5 | 03/21/2026 |
| KINGS GROUP NY | 4 | 07/08/2026 |
| MGT PROPERTY MANAGEMENT | 2 | 08/29/2026 |
| BRENMAC CONSTRUCTION | 2 | 03/21/2026 |
| COLUMBUS TOWNHOUSE ASSOCIA | 2 | 03/21/2026 |
| 600 COLUMBUS AVENUE OWNER LLC | 1 | 03/22/2026 |
| Date | Price | Unit | Seller → Buyer | $/sf |
|---|---|---|---|---|
| 05/26/2023 | $120.0M | — | COLUMBUS TOWNHOUSE ASSOCIATES → 600 COLUMBUS AVENUE OWNER LLC | $685/sf building |
| Firm | Filings | Most Recent |
|---|---|---|
| CHEZ ENGINEERING PC | 1 | 06/17/2026 |
| PAUL GOLDEN ARCHITECT, LLC | 25 | 05/01/2026 |
| SOTIR ASSOCIATES | 2 | 04/29/2026 |
| EMCS | 1 | 03/26/2026 |
| POLISE CONSULTING ENGINEER | 26 | 01/13/2026 |
| OPERA STUDIO ARCHITECTURE, LLC | 4 | 08/15/2025 |
| ZENITH HOME INSPECTIONS | 1 | 05/23/2025 |
| SEVERUD ASSOCIATES | 2 | 03/13/2025 |
| ASHRAF CORP | 4 | 03/06/2025 |
| FLORINELA MURESAN | 2 | 02/02/2025 |
| NATHAN BRIGHT ARCHITECT PLLC | 1 | 01/31/2025 |
| ARCHITECTURAL PRESERVATION STUDIO, | 3 | 07/14/2023 |
| MOHAMMAD AHEAD, PE | 1 | 03/07/2022 |
| LL ENGINEERING PC | 2 | 05/20/2021 |
| JOSHUA BRANDFONBRENER ARCHITECT | 1 | 02/11/2021 |
| Representative | Filings | Most Recent |
|---|---|---|
| JM ZONING, LLC. | 105 | 03/21/2026 |
| NATHAN BRIGHT ARCHITECT | 4 | 03/21/2026 |
| JP EXPEDITE | 2 | 03/21/2026 |
| KD DESIGNS | 3 | 03/21/2026 |
| PLATINUM SERVICES NY | 2 | 03/21/2026 |
| N N CONSULTANT | 4 | 03/21/2026 |
| GIG EXPEDITING | 2 | 03/21/2026 |
| Firm | Trade | Roles | Most Recent |
|---|---|---|---|
| TRI CONTRACTING INC | General Contractor | 32 | 07/08/2026 |
| CBB PLUMBING CORP | Plumbing | 17 | 07/08/2026 |
| PLATINUM SERVICES NY LLC | General Contractor | 10 | 07/08/2026 |
| TRIDENT BUILDERS GROUP | General Contractor | 10 | 06/28/2026 |
| TITAN CONSTRUCTION SERVIC | General Contractor | 9 | 07/08/2026 |
| CBB PLUMBING CORP | Fire Protection | 6 | 07/08/2026 |
| DANUBE ELECTRIC CO., INC. | Electrical | 5 | 03/22/2026 |
| PERFORMANCE MECHANCIAL | General Contractor | 4 | 03/21/2026 |
| DI MARTINI INC | General Contractor | 3 | 07/08/2026 |
| CEESAY, BELAL | Electrical | 2 | 03/21/2026 |
| RAPPO, FRANK | Electrical | 2 | 03/21/2026 |
| EVERGREEN BUILDERS & CON* | General Contractor | 2 | 09/23/2026 |
| HEMNAUTH, SUDESH | Electrical | 1 | 03/21/2026 |
| KINGS GROUP NY CORP | General Contractor | 1 | 07/08/2026 |
| MO CONTRACTING INC | General Contractor | 1 | 04/09/2026 |
| CAMPA CONSTRUCTION CORP | General Contractor | 1 | 07/08/2026 |
| YOUNG CHOE | Electrical | 1 | 03/21/2026 |
| SJS CONSTRUCTION CO., INC. | General Contractor | 1 | 07/23/2026 |
| WALTON, MARC | Electrical | 1 | 03/21/2026 |
| JOSEF BOSROK | Electrical | 1 | 03/21/2026 |
| JOHN FRANCICA | Electrical | 1 | 03/21/2026 |
| A&A PLUMBING CORP | Plumbing | 1 | 06/28/2026 |
| E CHANNEL SIGN INC | General Contractor | 1 | 04/09/2026 |
| Agency | License # | Filings | Most Recent |
|---|---|---|---|
| URBAN INTEGRATIONS LLC | 7993 | 1 | 06/17/2026 |
| BHK ENGINEERING, D.P.C. | 9589 | 1 | 06/17/2026 |
| CROSSCHECK INSPECTION SER | 544 | 50 | 05/01/2026 |
| ENGINEERING CONSULTING SE | 2050 | 3 | 04/29/2026 |
| OPERA STUDIO ARCHITECTURE | 5970 | 4 | 08/15/2025 |
| BEYOND ARCH LLC | 3600 | 2 | 05/23/2025 |
| NATHAN BRIGHT ARCHITECT P | 3016 | 1 | 02/02/2025 |
| MWB ENGINEERING | 7942 | 2 | 02/02/2025 |
| CATALPA SPECIAL INSPECTIO | 2004 | 3 | 02/02/2025 |
| ALAN MARGOLIN & ASSOC | 423 | 3 | 07/14/2023 |
| Source | Work Type | Status | Applicant | Issued |
|---|---|---|---|---|
| DOB NOW | General Construction | Signed-off | SJS CONSTRUCTION CO., INC. | 07/22/2026 |
| DOB NOW | General Construction | Permit Issued | MO CONTRACTING INC | 04/01/2026 |
| DOB NOW | Mechanical Systems | Permit Issued | TRIDENT BUILDERS GROUP | 01/29/2026 |
| DOB NOW | Mechanical Systems | Permit Issued | TRIDENT BUILDERS GROUP | 01/29/2026 |
| DOB NOW | General Construction | Permit Issued | TRIDENT BUILDERS GROUP | 01/29/2026 |
| DOB NOW | General Construction | Permit Issued | TRIDENT BUILDERS GROUP | 01/29/2026 |
| DOB NOW | Mechanical Systems | Signed-off | TRIDENT BUILDERS GROUP | 01/29/2026 |
| DOB NOW | General Construction | Permit Issued | TRIDENT BUILDERS GROUP | 01/29/2026 |
| DOB NOW | General Construction | Permit Issued | TRIDENT BUILDERS GROUP | 01/29/2026 |
| DOB NOW | General Construction | Permit Issued | TRIDENT BUILDERS GROUP | 01/15/2026 |
| DOB NOW | General Construction | Permit Issued | TRI CONTRACTING INC | 11/05/2025 |
| DOB NOW | Plumbing | Permit Issued | CBB PLUMBING CORP | 10/31/2025 |
| DOB NOW | Plumbing | Permit Issued | CBB PLUMBING CORP | 10/31/2025 |
| DOB NOW | Plumbing | Permit Issued | CBB PLUMBING CORP | 10/31/2025 |
| DOB NOW | Plumbing | Permit Issued | CBB PLUMBING CORP | 10/31/2025 |
| DOB NOW | General Construction | Permit Issued | TRI CONTRACTING INC | 08/25/2025 |
| DOB NOW | Sprinklers | Permit Issued | CBB PLUMBING CORP | 06/12/2025 |
| DOB NOW | General Construction | Permit Issued | E CHANNEL SIGN | 05/29/2025 |
| DOB NOW | Sprinklers | Signed-off | CBB PLUMBING CORP | 05/27/2025 |
| DOB NOW | Plumbing | Signed-off | CBB PLUMBING CORP | 04/24/2025 |
| DOB NOW | Mechanical Systems | Permit Issued | EVERGREEN BUILDERS & CON* | 03/18/2025 |
| DOB NOW | Plumbing | Permit Issued | A&A PLUMBING CORP | 03/10/2025 |
| DOB NOW | General Construction | Permit Issued | EVERGREEN BUILDERS & CON* | 03/10/2025 |
| DOB NOW | Sidewalk Shed | Signed-off | PLATINUM SERVICES NY LLC | 03/07/2025 |
| DOB NOW | Sidewalk Shed | Signed-off | PLATINUM SERVICES NY LLC | 01/13/2025 |
| DOB NOW | General Construction | Permit Issued | TRI CONTRACTING INC | 12/09/2024 |
| DOB NOW | General Construction | Signed-off | DI MARTINI | 11/04/2024 |
| DOB NOW | Mechanical Systems | Signed-off | DI MARTINI | 11/04/2024 |
| DOB NOW | General Construction | Permit Issued | TRI CONTRACTING INC | 11/01/2024 |
| DOB NOW | Plumbing | Signed-off | CBB PLUMBING CORP | 10/30/2024 |
| DOB NOW | Standpipe | Permit Issued | CBB PLUMBING CORP | 10/30/2024 |
| DOB NOW | Plumbing | Permit Issued | CBB PLUMBING CORP | 10/29/2024 |
| DOB NOW | Plumbing | Signed-off | CBB PLUMBING CORP | 10/29/2024 |
| DOB NOW | Standpipe | Permit Issued | CBB PLUMBING CORP | 10/29/2024 |
| DOB NOW | Plumbing | Permit Issued | CBB PLUMBING CORP | 10/29/2024 |
| DOB NOW | Plumbing | Permit Issued | CBB PLUMBING CORP | 10/29/2024 |
| DOB NOW | Plumbing | Permit Issued | CBB PLUMBING CORP | 10/29/2024 |
| DOB NOW | Mechanical Systems | Signed-off | TRI CONTRACTING INC | 10/10/2024 |
| DOB NOW | Structural | Signed-off | TRI CONTRACTING INC | 09/27/2024 |
| DOB NOW | General Construction | Permit Issued | TRI CONTRACTING INC | 09/23/2024 |
| Filed | Status | Contractor | Scope | Make / Model / Capacity |
|---|---|---|---|---|
| 05/01/2026 | Permit Issued | TRIDENT BUILDERS GROUP | Heating and Air Conditioning Systems | Heat / Cool Ice Air RSNUI8 32,000 BTU · Fan Coil Indoor ×8 |
| 04/29/2026 | — | — | Refrigeration Systems, Ventilation Systems | Ventilation Air Quality Engineering AUTOCLEAN® 4000 4,000 CFM · Kitchen Exhaust ×1 Dayton 488V78 4,000 CFM · Kitchen Exhaust ×1 Greenheck SQ-160-BX-QD 1,500 CFM · Makeup Air ×1 Refrigeration Copeland FAFWP-032Z 24,000 BTU · Condensing Unit ×3 |
| 01/13/2026 | Permit Issued | TRIDENT BUILDERS GROUP | Ventilation Systems | Ventilation |
| 01/08/2026 | Permit Issued | TRIDENT BUILDERS GROUP | Heating and Air Conditioning Systems | Heat / Cool |
| 03/07/2025 | Signed-off | TRIDENT BUILDERS GROUP | Air Conditioning Systems | Cooling Daikin RELQ120TBTJA 120,000 BTU · Vrf Outdoor ×4 |
| 02/02/2025 | Permit Issued | EVERGREEN BUILDERS & CON* | Heating and Air Conditioning Systems | Heat / Cool Daikin FXSQ36TBVJU 3 tons · Vrf Indoor ×1 |
| Filed | Status | Contractor | Scope |
|---|---|---|---|
| 05/01/2026 | Signed-off | CBB PLUMBING CORP | Sprinkler System |
| 01/08/2026 | Permit Issued | CBB PLUMBING CORP | 35 heads, 1 outlets |
| Filed | Status | Contractor | Scope |
|---|---|---|---|
| 05/01/2026 | Signed-off | CBB PLUMBING CORP | Gas, Water/Sanitary |
| 04/29/2026 | — | — | Plumbing-Sprinkler, Water/Sanitary |
| 01/08/2026 | Signed-off | CBB PLUMBING CORP | Water/Sanitary |
| 01/05/2026 | Permit Issued | CBB PLUMBING CORP | Gas, Water/Sanitary |
| 03/07/2025 | Signed-off | CBB PLUMBING CORP | Water/Sanitary |
| 02/20/2025 | Permit Issued | CBB PLUMBING CORP | Gas, Water/Sanitary |
| 02/20/2025 | Permit Issued | CBB PLUMBING CORP | Gas, Water/Sanitary |
| 02/02/2025 | Permit Issued | A&A PLUMBING CORP | Water/Sanitary |
| 07/28/2023 | Permit Issued | CBB PLUMBING CORP | Gas, Water/Sanitary |
| Filed | Status | Contractor | Scope |
|---|---|---|---|
| 11/28/2025 | Complete | DANUBE ELECTRIC CO., INC. | General Wiring |
| 09/20/2025 | Complete | DANUBE ELECTRIC CO., INC. | General Wiring |
| 07/21/2025 | Complete | DANUBE ELECTRIC CO., INC. | General Wiring |
| 06/05/2025 | Complete | DANUBE ELECTRIC CO., INC. | General Wiring |
| 04/21/2025 | Complete | DANUBE ELECTRIC CO., INC. | — |
| 03/03/2025 | Permit Issued | BLU ELECTRICAL SVS INC | General Wiring |
| 02/25/2025 | Complete | DANUBE ELECTRIC CO., INC. | General Wiring |
| 02/24/2025 | Complete | DANUBE ELECTRIC CO., INC. | General Wiring |
| 02/03/2025 | Complete | DANUBE ELECTRIC CO., INC. | General Wiring |
| 02/03/2025 | Complete | DANUBE ELECTRIC CO., INC. | General Wiring |
| 01/30/2025 | Permit Issued | DANUBE ELECTRIC CO., INC. | General Wiring |
| 01/06/2025 | Complete | DANUBE ELECTRIC CO., INC. | General Wiring |
| 01/02/2025 | Complete | FIRST STAR ELECTRIC INC | General Wiring |
| 12/16/2024 | Complete | DANUBE ELECTRIC CO., INC. | General Wiring |
| 12/11/2024 | Complete | DANUBE ELECTRIC CO., INC. | 2 meters, 2 new_meters |
| Filed | Status | Contractor | Scope |
|---|---|---|---|
| 06/17/2026 | Signed-off | SJS CONSTRUCTION CO., INC | Steel |
| 03/13/2025 | Signed-off | TRI CONTRACTING INC | Steel, Wood |
| Filed | Status | Contractor | Scope |
|---|---|---|---|
| 02/20/2025 | Permit Issued | CBB PLUMBING CORP | Tenant Protection Plan 72 Hour |
| 02/20/2025 | Permit Issued | TRIDENT BUILDERS GROUP | Tenant Protection Plan 72 Hour |
| Date | Type | Result | Report |
|---|---|---|---|
| 07/16/2026 | Pass-Final SP - Up to 3 Requested Floors | Pass | View ↗ |
| 06/22/2026 | Certified Water and Sanitary-WS-Sanitary Piping-Underground | Certified | View ↗ |
| 06/05/2026 | Certified Water and Sanitary-WS-Sanitary Piping-Roughing | Certified | View ↗ |
| 04/10/2026 | Certified Water and Sanitary-WS-Sanitary Piping-Roughing | Certified | View ↗ |
| 02/19/2026 | Fail-Final PL - Up to 3 Requested Floors | Fail | View ↗ |
| 02/12/2026 | Certified Gas-Gas-Piping-Roughing | Certified | View ↗ |
| 02/12/2026 | Certified Storm Drainage-ST-Piping-Roughing | Certified | View ↗ |
| 02/12/2026 | Certified Water and Sanitary-WS-Sanitary Piping-Roughing | Certified | View ↗ |
| 02/11/2026 | Certified Remove/Cap - work done in accordance with code | Certified | View ↗ |
| 02/09/2026 | Certified Remove/Cap - work done in accordance with code | Certified | View ↗ |
| 02/02/2026 | Certified Sprinkler-SP-Piping Dry/Wet-Hydrostatic Test | Certified | View ↗ |
| 01/16/2026 | Fail-Final PL - Up to 3 Requested Floors | Fail | View ↗ |
| 01/07/2026 | Certified Gas-Gas-Piping-Roughing | Certified | View ↗ |
| 01/07/2026 | Certified Water and Sanitary-WS-Sanitary Piping-Roughing | Certified | View ↗ |
| 01/07/2026 | Certified Water and Sanitary-WS-Sanitary Piping-Underground | Certified | View ↗ |
| 11/24/2025 | Pass-Final PL - Up to 3 Requested Floors | Pass | View ↗ |
| 11/20/2025 | Certified Water and Sanitary-WS-Sanitary Piping-Roughing | Certified | View ↗ |
| 11/19/2025 | Certified Sprinkler-SP-Piping Dry/Wet-Hydrostatic Test | Certified | View ↗ |
| 11/18/2025 | Fail-Final SD Permit Withdrawal | Fail | View ↗ |
| 11/18/2025 | Fail-Final SP Permit Withdrawal | Fail | View ↗ |
| 11/13/2025 | Certified Water and Sanitary-WS-Fixtures-Finish | Certified | View ↗ |
| 10/22/2025 | Certified Sprinkler (PL)-SP-Fixtures (PL)-Finish | Certified | View ↗ |
| 10/16/2025 | Certified Gas-Gas-Piping-Roughing | Certified | View ↗ |
| 10/16/2025 | Certified Water and Sanitary-WS-Sanitary Piping-Roughing | Certified | View ↗ |
| 09/29/2025 | Pass-Final CND-Occupancy Inspection | Pass | View ↗ |
| Date | Requirement | Inspector | Role |
|---|---|---|---|
| 08/05/2026 | Final | Paul Golden | progress |
| 08/05/2026 | Tenant Protection Plan Compliance | EUGENE BIFULCO | special |
| 06/09/2026 | Tenant Protection Plan Compliance | DANNY TRUJILLO | special |
| 06/04/2026 | Structural Steel - Details | William DeGraaff | special |
| 06/04/2026 | Post-installed Anchors | William DeGraaff | special |
| 06/04/2026 | Final | Kevin Cieslukowski | progress |
| 06/04/2026 | Structural Steel - Welding | William DeGraaff | special |
| 05/26/2026 | Fire-Resistance Rated Construction | EUGENE BIFULCO | progress |
| 05/26/2026 | Lighting in dwelling units | Paul Golden | energy_progress |
| 05/26/2026 | Metering | Paul Golden | energy_progress |
| 05/26/2026 | Fire-Resistant Penetrations and Joints | EUGENE BIFULCO | special |
| 05/26/2026 | Interior lighting power | Paul Golden | energy_progress |
| 05/26/2026 | Tenant Protection Plan Compliance | EUGENE BIFULCO | special |
| 05/11/2026 | HVAC-R and service water piping design and insulation | PAUL MARINO | energy_progress |
| 05/11/2026 | HVAC-R and service water heating system controls | PAUL MARINO | energy_progress |
| 04/28/2026 | Fire-Resistance Rated Construction | EUGENE BIFULCO | progress |
| 04/28/2026 | Lighting in dwelling units | Paul Golden | energy_progress |
| 04/28/2026 | Fire-Resistant Penetrations and Joints | EUGENE BIFULCO | special |
| 04/28/2026 | Tenant Protection Plan Compliance | — | special |
| 04/28/2026 | Metering | Paul Golden | energy_progress |
| 04/28/2026 | Interior lighting power | Paul Golden | energy_progress |
| 04/23/2026 | Tenant Protection Plan Compliance | PAUL MARINO | special |
| 04/23/2026 | Energy Code Compliance Inspections | PAUL MARINO | progress |
| 04/23/2026 | HVAC-R and service water heating equipment | PAUL MARINO | energy_progress |
| 03/25/2026 | Fire-Resistant Penetrations and Joints | PAUL MARINO | special |