| Owner | Filings | Most Recent |
|---|---|---|
| Ironwoood Realty | 316 | 07/08/2026 |
| HGC Partners | 33 | 07/08/2026 |
| West Land | 10 | 03/21/2026 |
| Aac Realty | 5 | 03/21/2026 |
| Pace Engineering | 3 | 07/08/2026 |
| AAC | 3 | 03/21/2026 |
| 635 Madison Fee Property Owner | 1 | 03/22/2026 |
| Tri-Prince | 1 | 03/22/2026 |
| Excalibur | 1 | 03/21/2026 |
| Date | Price | Unit | Seller → Buyer | $/sf |
|---|---|---|---|---|
| 06/29/2018 | $153.0M | — | 635 MADISON FEE OWNER LLC → 635 MADISON FEE PROPERTY OWNER LLC | $1,021/sf building |
| 09/11/2014 | $145.0M | — | 635 MADISON OWNER LLC → 635 MADISON FEE OWNER LLC | $967/sf building |
| Firm | Filings | Most Recent |
|---|---|---|
| Vincent J. Liotta P.E | 2 | 08/10/2026 |
| E4P Consulting Engineering | 6 | 03/24/2026 |
| Meyers+ Engineers | 1 | 09/30/2025 |
| Archytecx Design and Architecture | 1 | 03/06/2025 |
| Atmosphere Design & Architects | 3 | 09/09/2022 |
| Gilsanz Murray Steficek | 1 | 09/01/2022 |
| Terjesen Associates Architects | 4 | 12/23/2021 |
| R.J. McGee Engineering | 3 | 12/23/2021 |
| Iaq Systems | 3 | 06/30/2021 |
| Kimmerle Newman Architects | 1 | 06/30/2021 |
| HNY Consulting Engineers | 2 | 01/27/2021 |
| DS&F Architect | 1 | 01/19/2021 |
| Todd Zwigard Architects | 1 | 05/11/2020 |
| Green Design | 1 | 01/31/2020 |
| Ashraf | 1 | 01/15/2020 |
| Niego Associates | 1 | 05/30/2019 |
| Representative | Filings | Most Recent |
|---|---|---|
| Atmosphere Design Group | 2 | 03/21/2026 |
| Jenny Flores Expediting | 2 | 03/21/2026 |
| Adam Bergman Construction and Development | 14 | 03/21/2026 |
| Codegreen | 4 | 03/21/2026 |
| New York Sign Consultants | 2 | 03/21/2026 |
| Archetype Consultants | 14 | 03/21/2026 |
| Outsource Consultants | 6 | 03/21/2026 |
| KM Associates of New York | 1 | 03/21/2026 |
| Vincent J. Liotta P.E | 1 | 03/21/2026 |
| K & M Associates | 1 | 03/21/2026 |
| Vincent J. Liotta P. E | 1 | 03/21/2026 |
| Firm | Trade | Roles | Most Recent |
|---|---|---|---|
| MK Construction Group | General Contractor | 14 | 07/08/2026 |
| Tectonic Builders | General Contractor | 10 | 07/08/2026 |
| Al's Best Electric | Electrical | 3 | 03/21/2026 |
| Quinteros Construction of | General Contractor | 3 | 03/21/2026 |
| Tectonic Builders | Scaffold | 3 | 03/21/2026 |
| Folor | General Contractor | 3 | 07/08/2026 |
| MNK Enterprises | Scaffold | 2 | 07/08/2026 |
| Art + 1 | General Contractor | 2 | 04/09/2026 |
| A Plus Plumbing | Plumbing | 2 | 07/08/2026 |
| AP Plumbing & HVAC | Plumbing | 2 | 07/08/2026 |
| Crossfield Plumbing & Heating | Fire Protection | 2 | 07/08/2026 |
| A&A Plumbing | Plumbing | 1 | 07/08/2026 |
| A + Sprinkler | Fire Protection | 1 | 07/08/2026 |
| Practical Plumbing & Heating | Fire Protection | 1 | 07/08/2026 |
| Practical Plumbing & Heating | Plumbing | 1 | 07/08/2026 |
| GT Electrical Company | Electrical | 1 | 03/21/2026 |
| Skinner Plumbing & Heating | Fire Protection | 1 | 09/03/2026 |
| Aziz Abdul | Electrical | 1 | 03/21/2026 |
| Bronxdale Electric | Electrical | 1 | 03/22/2026 |
| Innovative Electrical Service | Electrical | 1 | 03/21/2026 |
| Bruni Electric | Electrical | 1 | 03/21/2026 |
| Spice Electric Company | Electrical | 1 | 03/21/2026 |
| Deboccia Electric Construction | Electrical | 1 | 03/21/2026 |
| R.C.M. Electric | Electrical | 1 | 03/21/2026 |
| Discover Electric Company | Electrical | 1 | 03/21/2026 |
| Mauceri Sign Co | Sign hanger | 1 | 07/08/2026 |
| National Maintenance | Sign hanger | 1 | 07/08/2026 |
| Agency | License # | Filings | Most Recent |
|---|---|---|---|
| Vincent J. Liotta P. E | 1974 | 2 | 08/10/2026 |
| HT Engineering | 6274 | 3 | 03/24/2026 |
| Hansen Engineering | 8174 | 1 | 09/30/2025 |
| Gilsanz Murray Steficek | 240 | 1 | 09/01/2022 |
| R.J. McGee Engineering, P | 7878 | 4 | 12/23/2021 |
| Codegreen | 510 | 3 | 06/30/2021 |
| AK Engineering | 678 | 1 | 01/26/2021 |
| SY Engineering | 5149 | 4 | 11/10/2020 |
| Source | Work Type | Status | Applicant | Issued |
|---|---|---|---|---|
| DOB NOW | Sprinklers | Permit Issued | Skinner Plumbing & Heating | 09/02/2026 |
| DOB NOW | Mechanical Systems | Signed-off | Tectonic Builders | 05/14/2026 |
| DOB NOW | Mechanical Systems | Permit Issued | Art + 1 | 10/29/2025 |
| DOB NOW | General Construction | Permit Issued | Art + 1 | 03/13/2025 |
| DOB NOW | Mechanical Systems | Permit Issued | MK Construction Group | 01/11/2024 |
| DOB NOW | Mechanical Systems | Permit Issued | MK Construction Group | 01/03/2023 |
| DOB NOW | Sprinklers | Signed-off | Crossfield Plumbing & Heating | 01/05/2022 |
| DOB NOW | Mechanical Systems | Permit Issued | MK Construction Group | 01/04/2022 |
| DOB NOW | General Construction | Signed-off | MK Construction Group | 01/04/2022 |
| DOB NOW | Plumbing | Signed-off | Crossfield Plumbing & Heating | 08/30/2021 |
| DOB NOW | Plumbing | Signed-off | A Plus Plumbing | 08/25/2021 |
| DOB NOW | Plumbing | Signed-off | A Plus Plumbing | 07/14/2021 |
| DOB NOW | Sprinklers | Permit Issued | A + Sprinkler | 07/14/2021 |
| DOB NOW | General Construction | Permit Issued | Tectonic Builders | 07/14/2021 |
| DOB NOW | Mechanical Systems | Permit Issued | Tectonic Builders | 07/13/2021 |
| DOB NOW | Sprinklers | Signed-off | Crossfield Plumbing & Heating | 06/29/2021 |
| DOB NOW | Plumbing | Signed-off | Crossfield Plumbing & Heating | 06/29/2021 |
| DOB NOW | Mechanical Systems | Permit Issued | MK Construction Group | 05/17/2021 |
| DOB NOW | General Construction | Signed-off | MK Construction Group | 05/12/2021 |
| DOB NOW | Sign | Signed-off | National Maintenance | 03/01/2021 |
| DOB NOW | Plumbing | Signed-off | A&A Plumbing | 02/18/2021 |
| DOB NOW | General Construction | Permit Issued | Folor | 02/01/2021 |
| DOB NOW | Mechanical Systems | Permit Issued | Folor | 01/29/2021 |
| DOB NOW | Mechanical Systems | Signed-off | Tectonic Builders | 11/17/2020 |
| DOB NOW | Sprinklers | Signed-off | Practical Plumbing & Heating | 11/17/2020 |
| DOB NOW | Plumbing | Signed-off | Practical Plumbing & Heating | 11/12/2020 |
| DOB NOW | Construction Fence | Signed-off | Tectonic Builders | 10/21/2020 |
| DOB NOW | Mechanical Systems | Signed-off | Quinteros Construction of | 02/20/2020 |
| DOB NOW | Supported Scaffold | Signed-off | MNK Enterprises | 02/04/2020 |
| DOB NOW | Sidewalk Shed | Signed-off | MNK Enterprises | 01/16/2020 |
| DOB NOW | Sign | Signed-off | Mauceri Sign Co | 05/31/2019 |
| BIS | OT | ISSUED | Tectonic Builders | 12/05/2020 |
| BIS | OT | ISSUED | Tectonic Builders | 11/12/2020 |
| BIS | OT | ISSUED | Inifinity Management | 07/21/2020 |
| BIS | OT | ISSUED | Alfa Construction | 06/29/2020 |
| BIS | OT | ISSUED | Inifinity Management | 02/14/2020 |
| BIS | OT | ISSUED | Key Restoration | 02/14/2020 |
| BIS | SP | ISSUED | RRP Plumbing | 01/28/2020 |
| BIS | OT | ISSUED | Alfa Construction | 05/28/2019 |
| BIS | MH | ISSUED | KSW Mechanical | 05/20/2019 |
| Filed | Status | Contractor | Scope | Make / Model / Capacity |
|---|---|---|---|---|
| 03/24/2026 | Signed-off | Tectonic Builders | Air Conditioning Systems | Cooling Lg ARUM241BTE5 20 tons · Vrf Outdoor ×1 |
| 09/30/2025 | Permit Issued | Art + 1 | Heating and Air Conditioning Systems | Heat / Cool Mitsubishi Electric MXZ-SM60NAM 60,000 BTU · Condensing Unit ×6 PVFY-P48NAMU-E1 54,000 BTU · Vrf Indoor ×3 PVFY-P24NAMU-E1 27,000 BTU · Vrf Indoor ×2 PVFY-P30NAMU-E1 34,000 BTU · Vrf Indoor ×2 PVFY-P36NAMU-E1 40,000 BTU · Vrf Indoor ×1 PVFY-P54NAMU-E1 60,000 BTU · Vrf Indoor ×1 TPEP036OA140A 21,000 BTU · Vrf Indoor ×1 |
| 09/20/2022 | — | — | Air Conditioning Systems | Cooling Mitsubishi Electric PURY-EP216TNU-A 432,000 BTU · Vrf Outdoor ×2 |
| 12/23/2021 | Permit Issued | MK Construction Group | Others | Other United Cool Air VA20G3AHA 2,000 BTU · Condensing Unit ×4 |
| Filed | Status | Contractor | Scope |
|---|---|---|---|
| 08/10/2026 | Permit Issued | Skinner Plumbing & Heating | — |
| 12/23/2021 | Signed-off | Crossfield Plumbing & Heating | — |
| 06/30/2021 | Permit Issued | A + Sprinkler | — |
| Filed | Status | Contractor | Scope |
|---|---|---|---|
| 08/10/2026 | — | — | — |
| 06/30/2021 | Signed-off | A Plus Plumbing | Water/Sanitary |
| 05/11/2020 | — | — | Water/Sanitary |
| Filed | Status | Contractor | Scope |
|---|---|---|---|
| 02/13/2023 | Permit Issued | Bruni Electric | General Wiring |
| 07/30/2021 | Complete | Website Electric | General Wiring |
| 06/17/2021 | Permit Issued | E & M Electrical NY | General Wiring |
| 06/16/2021 | Permit Issued | E & M Electrical NY | — |
| 04/29/2021 | Complete | Bronxdale Electric | General Wiring |
| 03/04/2020 | Permit Issued | Lit Mode Electrical Contg | — |
| 01/14/2020 | Permit Issued | Richard Neu | — |
| 12/28/2019 | Complete | Steven Farkas | — |
| 07/10/2019 | Complete | Conductor Electrical Services | General Wiring |
| 04/09/2019 | Complete | Gowna Electric | General Wiring |
| 12/17/2018 | Complete | Principal Electrical | General Wiring |
| Filed | Status | Contractor | Scope |
|---|---|---|---|
| 09/01/2022 | — | — | Steel |
| Date | Type | Result | Report |
|---|---|---|---|
| 03/23/2022 | Certified Sprinkler-SP-Fixtures-Finish | Certified | View ↗ |
| 03/21/2022 | Certified Sprinkler-SP-Piping Dry/Wet-Hydrostatic Test | Certified | View ↗ |
| 02/09/2022 | Certified Water and Sanitary-WS-Fixtures-Finish | Certified | View ↗ |
| 01/07/2022 | Certified Sprinkler-SP-Fixtures-Finish | Certified | View ↗ |
| 01/03/2022 | Certified Sprinkler-SP-Piping Dry/Wet-Hydrostatic Test | Certified | View ↗ |
| 09/16/2021 | Certified Water and Sanitary-WS-Fixtures-Finish | Certified | View ↗ |
| 09/10/2021 | Certified Water and Sanitary-WS-Sanitary Piping-Roughing | Certified | View ↗ |
| 08/20/2021 | Certified Water and Sanitary-WS-Sanitary Piping-Roughing | Certified | View ↗ |
| Date | Requirement | Inspector | Role |
|---|---|---|---|
| 07/31/2026 | Sprinkler Systems | Vincent Liotta | special |
| 03/04/2026 | Final | HENRY TORRES | progress |
| 03/04/2026 | Fire-Resistant Penetrations and Joints | HENRY TORRES | special |
| 03/04/2026 | Post-installed Anchors | HENRY TORRES | special |
| 03/04/2026 | Mechanical Systems | HENRY TORRES | special |
| 08/26/2025 | Energy Code Compliance Inspections | Ryan Hansen | progress |
| 08/26/2025 | Fire-Resistant Penetrations and Joints | Ryan Hansen | special |
| 08/26/2025 | Post-installed Anchors | Ryan Hansen | special |
| 07/22/2025 | Maintenance information | Ryan Hansen | energy_progress |
| 07/22/2025 | HVAC-R and service water heating equipment | Ryan Hansen | energy_progress |
| 07/22/2025 | HVAC-R and service water piping design and insulation | Ryan Hansen | energy_progress |
| 07/22/2025 | HVAC-R and service water heating system controls | Ryan Hansen | energy_progress |
| 07/22/2025 | Duct leakage testing, insulation and design | Ryan Hansen | energy_progress |
| 07/16/2025 | Mechanical Systems | Ryan Hansen | special |
| 07/16/2025 | Final | Ryan Hansen | progress |
| 09/07/2022 | Interior lighting power | HENRY TORRES | energy_progress |
| 09/07/2022 | Lighting controls | HENRY TORRES | energy_progress |
| 07/18/2022 | Mechanical Systems | HENRY TORRES | special |
| 07/18/2022 | Post-installed Anchors | HENRY TORRES | special |
| 07/18/2022 | Sprayed fire-resistant materials | Philip Murray | special |
| 07/18/2022 | Structural Steel - Details | Philip Murray | special |
| 07/18/2022 | Structural Steel - High Strength Bolting | Philip Murray | special |
| 07/18/2022 | Structural Steel - Welding | Philip Murray | special |
| 07/18/2022 | Final | — | progress |
| 07/18/2022 | HVAC-R and service water piping design and insulation | HENRY TORRES | energy_progress |
| Tenant | Space | Floors | Renovation projects |
|---|---|---|---|
| Montblanc North America | Retail | Cellar, Ground, Floor 1 | Project M01367436 Project M00420023 Project M00420169 Project M00420416 Project M00413073 Project M00452648 |
| Suit Supply | Retail | Floors 1–3 | Project M01257008 Project M01188092 Project M00776416 Project M00776458 Project M00776477 |
| Manhattan Center for Vaginal Surgery | Medical / Healthcare | Floor 12 | Project M00528612 Project M00528663 Project M00528689 Project M00528703 |
| Viva Eve | Medical / Healthcare | Floor 6 | Project M00516055 Project M00516772 Project M00494598 |
| Hermes | Retail | Floor 17 | Project M00431152 Project M00431146 Project M00451483 |