| Owner | Filings | Most Recent |
|---|---|---|
| Pfizer | 221 | 03/21/2026 |
| Clarion Realty Services | 110 | 03/21/2026 |
| Columbia New York 41st Street Office | 98 | 07/08/2026 |
| T-C 685 Third Ave, LLC C/O JLL | 74 | 03/21/2026 |
| 685 Acquisitions | 57 | 03/21/2026 |
| 685 Acquis | 41 | 03/21/2026 |
| Unizo Real Estate NY Four | 26 | 03/21/2026 |
| Reep-Ofc 757 Third Avenue NY | 19 | 09/07/2026 |
| Shawmut Woodworking and Supply | 16 | 07/08/2026 |
| 685 Third Avenue Owner | 14 | 03/22/2026 |
| Building 44 Developers | 14 | 03/21/2026 |
| CB Richard Ellis | 14 | 03/21/2026 |
| Valoc Enterprises | 9 | 03/21/2026 |
| American Home Products | 9 | 03/21/2026 |
| Jamestown | 6 | 03/21/2026 |
| Mept 2 Rector | 5 | 04/09/2026 |
| Blackbullbuilders | 1 | 03/22/2026 |
| Delicatesen | 1 | 03/21/2026 |
| Avis Rent A Car System | 1 | 03/21/2026 |
| Date | Price | Unit | Seller → Buyer | $/sf |
|---|---|---|---|---|
| 10/11/2017 | $467.5M | — | T-C 685 THIRD AVENUE OWNER LLC → UNIZO REAL ESTATE NY FOUR, LLC | $835/sf building |
| Firm | Filings | Most Recent |
|---|---|---|
| Thornton Tomasetti | 4 | 08/24/2026 |
| Spector Group II | 2 | 08/21/2026 |
| St | 29 | 06/01/2026 |
| JKM Architecture | 2 | 04/09/2026 |
| Antonio Leo Architect | 1 | 02/11/2026 |
| Nko Architect | 2 | 08/22/2025 |
| Clifford Dias, PE | 5 | 11/27/2024 |
| Nelson Architecture & Interiors | 1 | 11/20/2024 |
| Design Republic | 1 | 09/04/2024 |
| Shmerykowsky Consulting Engineers | 1 | 06/05/2024 |
| Patuxent Engineering | 2 | 04/12/2024 |
| The Switzer Group | 1 | 03/13/2024 |
| Mdeas Architects | 3 | 12/18/2023 |
| Prater Engineering Associates | 4 | 09/14/2023 |
| Steven Reynolds | 1 | 05/30/2023 |
| Studio 5 Partnership Architects/Pla | 1 | 02/17/2023 |
| Paul Perdek, Prof. Engineering | 5 | 09/19/2022 |
| Prospect Associates | 1 | 08/22/2022 |
| Gilsanz Murray Steficek | 1 | 07/26/2022 |
| Shaaban Engineering | 6 | 05/13/2021 |
| Jose L. Pena, P.E | 5 | 04/30/2021 |
| Representative | Filings | Most Recent |
|---|---|---|
| Codegreen | 31 | 03/21/2026 |
| A1 Expediting Service | 10 | 03/21/2026 |
| Green Light Expediting | 6 | 03/21/2026 |
| Jenny Flores Expediting | 2 | 03/21/2026 |
| Patuxent Engineering | 4 | 03/21/2026 |
| Caesar Bustamante AIA | 10 | 03/21/2026 |
| BMB Building Consulting | 2 | 03/21/2026 |
| Rizzo Group | 9 | 03/21/2026 |
| Louis Striar | 10 | 03/21/2026 |
| Hierarch-E | 4 | 03/21/2026 |
| National Sign and Lighting | 12 | 03/21/2026 |
| Firm | Trade | Roles | Most Recent |
|---|---|---|---|
| Black Bull Bulders | General Contractor | 32 | 07/08/2026 |
| Shawmut Woodworking & Supply | General Contractor | 8 | 07/08/2026 |
| Rockledge Scaffold | Scaffold | 7 | 07/08/2026 |
| Tishman Interiors | General Contractor | 7 | 07/08/2026 |
| Doumas Electric | Electrical | 6 | 03/21/2026 |
| DK Construction One | General Contractor | 6 | 09/07/2026 |
| National Maintenance | Sign hanger | 6 | 07/08/2026 |
| Red Hook Sign and Electric | Sign hanger | 6 | 07/08/2026 |
| Folor | General Contractor | 5 | 07/08/2026 |
| SHR Group | General Contractor | 4 | 07/08/2026 |
| Urban Intelligence | Scaffold | 4 | 07/08/2026 |
| Exterior Wall & Building | Scaffold | 4 | 03/21/2026 |
| KG Sprinkler | Fire Protection | 3 | 07/08/2026 |
| Black Bull Bulders | Scaffold | 3 | 03/21/2026 |
| Denko Mechanical | Fire Protection | 3 | 07/08/2026 |
| Structure Tone | General Contractor | 2 | 07/08/2026 |
| A&H Express Plumbing & Heating | Plumbing | 2 | 07/08/2026 |
| Anesis Services | Fire Protection | 2 | 07/08/2026 |
| Hydrokinetic Plumbing & Heating I | Plumbing | 2 | 07/08/2026 |
| Donato Plumbing | Plumbing | 2 | 07/08/2026 |
| Unitech Design | Sign hanger | 2 | 07/08/2026 |
| C Plus Design Group | General Contractor | 1 | 07/08/2026 |
| Anthony G Ferry | Electrical | 1 | 03/21/2026 |
| Tri-Electric | Electrical | 1 | 03/21/2026 |
| Konsker Electric | Electrical | 1 | 03/22/2026 |
| Joey Electrical Co | Electrical | 1 | 03/21/2026 |
| Safway Atlantic | Scaffold | 1 | 07/08/2026 |
| Par Plumbing Co | Plumbing | 1 | 07/08/2026 |
| A&A Plumbing | Plumbing | 1 | 07/08/2026 |
| American Standard P&H Cororp | Plumbing | 1 | 07/08/2026 |
| Arcon Plumbing Solutions | Plumbing | 1 | 07/08/2026 |
| Bedrock Plumbing & Heating | Plumbing | 1 | 07/08/2026 |
| Dependable Mechanical | Fire Protection | 1 | 07/08/2026 |
| Troon Electric of New Yor | Electrical | 1 | 03/22/2026 |
| Apn Builders | General Contractor | 1 | 04/09/2026 |
| Agency | License # | Filings | Most Recent |
|---|---|---|---|
| Engineering Building Service | 7303 | 5 | 08/24/2026 |
| JKM Architecture | 8906 | 1 | 04/09/2026 |
| Nko Architect | 6811 | 1 | 08/19/2025 |
| Codegreen | 510 | 31 | 11/27/2024 |
| Milrose Consultants | 2003 | 3 | 09/14/2023 |
| Source | Work Type | Status | Applicant | Issued |
|---|---|---|---|---|
| DOB NOW | General Construction | Permit Issued | DK Construction One | 09/03/2026 |
| DOB NOW | Structural | Permit Issued | DK Construction One | 09/03/2026 |
| DOB NOW | Mechanical Systems | Permit Issued | DK Construction One | 06/09/2026 |
| DOB NOW | Sprinklers | Permit Issued | Dependable Mechanical | 06/08/2026 |
| DOB NOW | Plumbing | Permit Issued | A&H Express Plumbing & Heating | 06/08/2026 |
| DOB NOW | General Construction | Permit Issued | DK Construction One | 06/04/2026 |
| DOB NOW | General Construction | Permit Issued | C Plus Design Group | 05/05/2026 |
| DOB NOW | Mechanical Systems | Permit Issued | DK Construction One | 03/09/2026 |
| DOB NOW | Plumbing | Signed-off | A&H Express Plumbing & Heating | 03/05/2026 |
| DOB NOW | General Construction | Signed-off | DK Construction One | 03/03/2026 |
| DOB NOW | Plumbing | Signed-off | American Standard P&H Cororp | 09/02/2025 |
| DOB NOW | General Construction | Signed-off | Apn Builders | 08/28/2025 |
| DOB NOW | General Construction | Permit Issued | Black Bull Bulders | 06/11/2025 |
| DOB NOW | General Construction | Permit Issued | Black Bull Bulders | 06/11/2025 |
| DOB NOW | Mechanical Systems | Signed-off | Black Bull Bulders | 06/11/2025 |
| DOB NOW | Mechanical Systems | Permit Issued | Black Bull Bulders | 06/11/2025 |
| DOB NOW | General Construction | Permit Issued | Black Bull Bulders | 06/11/2025 |
| DOB NOW | General Construction | Signed-off | Black Bull Bulders | 06/11/2025 |
| DOB NOW | Mechanical Systems | Permit Issued | Black Bull Bulders | 06/11/2025 |
| DOB NOW | Mechanical Systems | Permit Issued | Black Bull Bulders | 06/10/2025 |
| DOB NOW | Mechanical Systems | Permit Issued | Black Bull Bulders | 05/21/2025 |
| DOB NOW | General Construction | Signed-off | SHR Group | 02/20/2025 |
| DOB NOW | Sprinklers | Permit Issued | S. Tieger Plumbing Co | 01/28/2025 |
| DOB NOW | Plumbing | Permit Issued | A&A Plumbing | 12/31/2024 |
| DOB NOW | Protection and Mechanical Methods | Signed-off | Exterior Wall & Building | 12/30/2024 |
| DOB NOW | Sidewalk Shed | Signed-off | Exterior Wall & Building | 12/30/2024 |
| DOB NOW | Mechanical Systems | Permit Issued | Black Bull Bulders | 12/10/2024 |
| DOB NOW | General Construction | Permit Issued | Black Bull Bulders | 11/25/2024 |
| DOB NOW | Structural | Signed-off | Tishman Interiors | 10/23/2024 |
| DOB NOW | Sprinklers | Signed-off | S. Tieger Plumbing Co | 10/01/2024 |
| DOB NOW | General Construction | Signed-off | Black Bull Bulders | 09/10/2024 |
| DOB NOW | Mechanical Systems | Signed-off | Black Bull Bulders | 09/09/2024 |
| DOB NOW | General Construction | Signed-off | SHR Group | 06/28/2024 |
| DOB NOW | Suspended Scaffold | Permit Issued | Pedrol Contracting | 06/11/2024 |
| DOB NOW | Mechanical Systems | Permit Issued | Black Bull Bulders | 06/05/2024 |
| DOB NOW | Sprinklers | Signed-off | H M Sprinkler | 05/02/2024 |
| DOB NOW | Plumbing | Signed-off | Bedrock Plumbing & Heating | 04/23/2024 |
| DOB NOW | Plumbing | Signed-off | Donato Plumbing | 04/18/2024 |
| DOB NOW | Sidewalk Shed | Signed-off | Urban Intelligence | 04/15/2024 |
| DOB NOW | Protection and Mechanical Methods | Signed-off | Urban Intelligence | 04/12/2024 |
| Filed | Status | Contractor | Scope | Make / Model / Capacity |
|---|---|---|---|---|
| 04/09/2026 | Permit Issued | C Plus Design Group | Ventilation Systems | Ventilation |
| 02/11/2026 | Permit Issued | DK Construction One | Air Conditioning Systems | Cooling |
| 11/26/2024 | Permit Issued | Black Bull Bulders | Ventilation Systems | Ventilation — VCCF 3,300 CFM · Vav Box ×7 |
| 03/13/2024 | Permit Issued | Black Bull Bulders | Air Conditioning Systems | Cooling Lg LHN248HV 24,000 BTU · Heat Pump Outdoor ×1 LHN428HV 48,000 BTU · Heat Pump Outdoor ×1 LUU240HHV 24,000 BTU · Heat Pump Outdoor ×1 LUU420HHV 48,000 BTU · Heat Pump Outdoor ×1 |
| 12/13/2023 | Permit Issued | Tishman Interiors | Air Conditioning Systems, Associated Ducts and Piping | |
| 02/17/2023 | Permit Issued | Folor | Associated Ducts and Piping | Ducts & Piping __Junk__ re-distribution of ducts and VAV boxes to accommodate new fit-out 3,190 CFM · Ductwork ×1 |
| Filed | Status | Contractor | Scope |
|---|---|---|---|
| 06/01/2026 | Permit Issued | A&H Express Plumbing & Heating | Sprinkler System |
| 11/27/2024 | Permit Issued | Denko Mechanical | — |
| 03/13/2024 | Permit Issued | Denko Mechanical | — |
| — | — | — | — |
| Filed | Status | Contractor | Scope |
|---|---|---|---|
| 06/01/2026 | Permit Issued | Dependable Mechanical | Water/Sanitary |
| 04/09/2026 | — | — | Water/Sanitary |
| 02/11/2026 | Signed-off | Dependable Mechanical | Water/Sanitary |
| 06/02/2024 | Signed-off | Bedrock Plumbing & Heating | Water/Sanitary |
| — | — | — | Water/Sanitary |
| Filed | Status | Contractor | Scope |
|---|---|---|---|
| 02/26/2026 | Complete | Maximum Electric | — |
| 02/16/2026 | Permit Issued | Titan Electrical & Elev Contracting | General Wiring |
| 09/02/2025 | Complete | Doumas Electric | General Wiring |
| 01/06/2025 | Permit Issued | Allstate Electric | General Wiring |
| 12/27/2024 | Complete | Live Wire Electric 1 | General Wiring |
| 10/03/2024 | Complete | Troon Electric of New Yor | General Wiring |
| 04/22/2024 | Complete | 5 J'S Electl Conts | — |
| 03/15/2024 | Complete | Troon Electric of New Yor | General Wiring |
| 05/30/2023 | Complete | Empire State Electric Maintenance | General Wiring, Lighting |
| 05/11/2023 | Complete | Riverdale Electric | General Wiring |
| 05/02/2023 | Complete | E-J Electric Installation Co | General Wiring |
| 10/13/2022 | Complete | M.C. Electrical NY | General Wiring |
| 10/05/2022 | Permit Issued | Steel City Electrical Con | General Wiring |
| 06/16/2022 | Complete | Atlas-Acon Electric Service | General Wiring |
| 10/11/2021 | Complete | Green Source Electrical | General Wiring |
| Filed | Status | Contractor | Scope |
|---|---|---|---|
| 08/24/2026 | Permit Issued | DK Construction One | Steel, Concrete |
| Date | Type | Result | Report |
|---|---|---|---|
| 11/24/2025 | Certified Water and Sanitary-WS-Fixtures-Finish | Certified | View ↗ |
| 10/02/2025 | Certified Water and Sanitary-WS-Sanitary Piping-Roughing | Certified | View ↗ |
| 04/02/2025 | Certified Sprinkler-SP-Fixtures-Finish | Certified | View ↗ |
| 03/28/2025 | Certified Remove/Cap - work done in accordance with code | Certified | View ↗ |
| 03/28/2025 | Certified Sprinkler-SP-Piping Dry/Wet-Hydrostatic Test | Certified | View ↗ |
| 11/27/2024 | Certified Remove/Cap - work done in accordance with code | Certified | View ↗ |
| 11/27/2024 | Certified Water and Sanitary-WS-Fixtures-Finish | Certified | View ↗ |
| 10/15/2024 | Certified Remove/Cap - work done in accordance with code | Certified | View ↗ |
| 10/10/2024 | Certified Remove/Cap - work done in accordance with code | Certified | View ↗ |
| 10/10/2024 | Certified Water and Sanitary-WS-Fixtures-Finish | Certified | View ↗ |
| 08/30/2024 | Certified Sprinkler-SP-Fixtures-Finish | Certified | View ↗ |
| 08/27/2024 | Certified Remove/Cap - work done in accordance with code | Certified | View ↗ |
| 08/27/2024 | Certified Sprinkler-SP-Piping Dry/Wet-Hydrostatic Test | Certified | View ↗ |
| 07/11/2024 | Certified Water and Sanitary-WS-Sanitary Piping-Roughing | Certified | View ↗ |
| 06/06/2024 | Certified Water and Sanitary-WS-Sanitary Piping-Roughing | Certified | View ↗ |
| 05/17/2024 | Certified Sprinkler-SP-Fixtures-Finish | Certified | View ↗ |
| 05/15/2024 | Certified Sprinkler-SP-Piping Dry/Wet-Hydrostatic Test | Certified | View ↗ |
| 04/30/2024 | Certified Water and Sanitary-WS-Sanitary Piping-Roughing | Certified | View ↗ |
| 02/06/2024 | Certified Sprinkler-SP-Fixtures-Finish | Certified | View ↗ |
| 02/02/2024 | Certified Sprinkler-SP-Piping Dry/Wet-Hydrostatic Test | Certified | View ↗ |
| 10/19/2023 | Pass-Final Sign Permit Inspection | Pass | View ↗ |
| 09/15/2023 | Certified Water and Sanitary-WS-Fixtures-Finish | Certified | View ↗ |
| 09/05/2023 | Certified Water and Sanitary-WS-Fixtures-Finish | Certified | View ↗ |
| 08/02/2023 | Certified Water and Sanitary-WS-Fixtures-Finish | Certified | View ↗ |
| 07/07/2023 | Certified Sprinkler-SP-Fixtures-Finish | Certified | View ↗ |
| Date | Requirement | Inspector | Role |
|---|---|---|---|
| 08/04/2026 | Structural Steel - High Strength Bolting | Tony Cartagine | special |
| 08/04/2026 | Structural Steel - Welding | Tony Cartagine | special |
| 08/04/2026 | Concrete - Cast-In-Place | Tony Cartagine | special |
| 08/04/2026 | Post-installed Anchors | Tony Cartagine | special |
| 08/04/2026 | Sprayed fire-resistant materials | Tony Cartagine | special |
| 08/04/2026 | Structural Stability – Alterations of existing buildings | Tony Cartagine | special |
| 08/04/2026 | Structural Steel - Details | Tony Cartagine | special |
| 07/29/2026 | Final | Tony Cartagine | progress |
| 07/29/2026 | Final | Tony Cartagine | progress |
| 07/29/2026 | Sprayed fire-resistant materials | Tony Cartagine | special |
| 06/01/2026 | Fire-Resistant Penetrations and Joints | Tony Cartagine | special |
| 06/01/2026 | Fire-Resistant Penetrations and Joints | Tony Cartagine | special |
| 04/24/2026 | Mechanical Systems | Tony Cartagine | special |
| 04/24/2026 | Final | Tony Cartagine | progress |
| 04/24/2026 | Sprinkler Systems | Tony Cartagine | special |
| 04/24/2026 | Final | Tony Cartagine | progress |
| 04/09/2026 | Insulation placement and R values | YOUNGSAM YU | energy_progress |
| 04/09/2026 | Duct leakage testing, insulation and design | YOUNGSAM YU | energy_progress |
| 04/09/2026 | Lighting controls | YOUNGSAM YU | energy_progress |
| 04/09/2026 | Air barrier - visual inspection | YOUNGSAM YU | energy_progress |
| 04/09/2026 | Interior lighting power | YOUNGSAM YU | energy_progress |
| 04/09/2026 | Maintenance information | YOUNGSAM YU | energy_progress |
| 04/06/2026 | Final | John Min | progress |
| 04/06/2026 | Fire-Resistant Penetrations and Joints | John Min | special |
| 04/06/2026 | Mechanical Systems | John Min | special |
| Tenant | Space | Floors | Renovation projects |
|---|---|---|---|
| CBIZ | Office | Floors 3–8 | Project M01438019 Project M01392716 |
| Gallet Dreyer & Berkey | Office | Floor 28 | Project M01356104 |
| Brasa Peruvian Kitchen | Restaurant / Food Service | Floor 1 | Project M01266247 |
| Ti M & Co | Office | Floor 27 | Project M01133238 |
| Bgo Properties | Office | Floor 17 | Project M01100303 Project M01100314 Project M01100318 |
| Blue Meridian | Office | Floor 19 | Project M01011741 Project M01011747 Project M01011750 Project M01011751 |
| Bentallgreenoak | Office | Floor 16 | Project M00956741 |
| Fidelity & Guaranty Life | Office | Floor 20 | Project M00883708 Project M00869910 Project M00874221 |
| World Gold Council | Office | Floor 27 | Project M00821519 Project M00821525 Project M00821539 Project M00821561 |
| The UPS Store | Retail | Floor 1 | Project M00794746 |
| TD Bank | Bank / Financial branch | — | Project M00493749 Project M00493791 Project M00493824 Project M00493832 Project M00493845 |
| Le Pain Quotidien | Restaurant / Food Service | Floors 1–5 | Project M00500451 Project M00500452 Project M00500454 Project M00500455 Project M00500456 |