| Filed | Status | Contractor | Scope |
|---|---|---|---|
| 04/08/2026 | Signed-off | AQUEDUCT MECHANICAL CORP | Gas, Water/Sanitary |
| 11/26/2025 | — | — | Water/Sanitary |
| Filed | Status | Contractor | Scope |
|---|---|---|---|
| 09/11/2026 | Complete | LENS ELECTRIC, INC | — |
| 12/16/2025 | Permit Issued | DENMAR ELECTRIC CORP | General Wiring |
| 06/06/2025 | Complete | KET ELECTRIC LLC | General Wiring |
| 10/26/2023 | Complete | MODERN VOLTAGE NYC INC | General Wiring |
| 06/12/2023 | Complete | FALCO ELEC'L SERVICES INC | — |
| 03/21/2023 | Complete | RND ELECTRIC CORP | General Wiring |
| 06/09/2022 | Complete | AGIR ELECTL SOLUTION INC | General Wiring |
| 09/24/2021 | Complete | EIS ELECTRIC CORP DBA | General Wiring |
| 07/06/2021 | Complete | ACCURATE ELEC'L CORP. | General Wiring |
| 03/01/2021 | Complete | PRUDENT ELECTRIC INC | General Wiring |
| 03/17/2020 | Complete | EIS ELECTRIC CORP DBA | — |
| 12/06/2019 | Complete | VILANOVA ELEC'L CO. LLC | General Wiring |
| 07/11/2018 | Complete | FSM ELECTRICAL CORPORATIO | General Wiring |
| 06/19/2018 | Complete | E & M ELECTRICAL NY CORP | General Wiring |
| 02/20/2018 | Complete | RIGID ELECTRIC, INC. | General Wiring |
| Filed | Status | Contractor | Scope |
|---|---|---|---|
| 09/16/2026 | Permit Issued | AIR UA CORP | 1 scope_items |
| Owner | Filings | Most Recent |
|---|---|---|
| 420 RIVERSIDE OWNERS | 96 | 07/08/2026 |
| HOFFMAN MANAGEMENT | 24 | 07/08/2026 |
| OWNER OF 420 RIVERSIDE DR | 1 | 03/22/2026 |
| NCB MORTGAGE CORP. | 3 | 03/22/2026 |
| NCB MTGE CORP | 1 | 03/22/2026 |
| DELPHI CONSTRUCTION | 2 | 03/22/2026 |
| 420 RIVERSIDE DRIVE OWNERS | 15 | 03/21/2026 |
| HOFFMAN REALTY | 1 | 03/21/2026 |
| T-MOBILE | 1 | 03/21/2026 |
| C O HOFFMAN MANAGEMENT | 7 | 03/21/2026 |
| Firm | Filings | Most Recent |
|---|---|---|
| MSP ENGINEERING INC. P.C. | 1 | 09/16/2026 |
| DGG ARCHITECT PC | 2 | 05/07/2026 |
| JONG HAE CHANG ARCHITECT | 2 | 04/08/2026 |
| CES ENGINEERING LLC | 3 | 02/04/2026 |
| IMA ENGINEERING, PC | 2 | 11/26/2025 |
| MIRELLA BOSELLI ARCHITECT | 5 | 01/03/2025 |
| CRUICKSHANKS ENGINEERING & CONSULTI | 1 | 07/17/2024 |
| SANJIVE VAIDYA ARCHITECT PLLC | 2 | 10/15/2022 |
| CAROL MARYAN ARCHITECT, PC | 2 | 06/18/2021 |
| BENDIX ENGINEERING, P.C. | 2 | 06/15/2021 |
| KMB DESIGN GROUP, LLC | 1 | 06/29/2018 |
| Representative | Filings | Most Recent |
|---|---|---|
| RICHARD LEWIS ARCHITECT | 5 | 03/21/2026 |
| HS DESIGN STUDIO | 2 | 03/21/2026 |
| IMA ENGINEERING | 4 | 03/21/2026 |
| MICHAEL ZENREICH ARCHITECT | 4 | 03/21/2026 |
| KUSHNER STUDIOS | 3 | 03/21/2026 |
| CLARKE CONSTRUCTION CONSULTANTS | 2 | 03/21/2026 |
| SMEP DESIGN & CONSULTATION LLC | 2 | 03/21/2026 |
| BIG ORANGE EXPEDITING | 4 | 03/21/2026 |
| CCM CONSULTING GROUP, INC. | 1 | 03/21/2026 |
| Firm | Trade | Roles | Most Recent |
|---|---|---|---|
| DELPHI CONSTRUCTION CORP | General Contractor | 5 | 07/08/2026 |
| KOSTANDINOS TSOUKANTAS | Electrical | 3 | 03/21/2026 |
| DIFUSCO, NICOLINO | Electrical | 2 | 03/21/2026 |
| KET ELECTRIC LLC | Electrical | 2 | 03/22/2026 |
| NEW YORK PARK PLBG&HTG CO | Plumbing | 2 | 07/08/2026 |
| A & E BROTHERS LTD | General Contractor | 2 | 09/07/2026 |
| ALEXANDER FEDERICO.JR | Electrical | 2 | 03/21/2026 |
| TAURUS CONSTRUCTION CORP | General Contractor | 2 | 03/21/2026 |
| MICHAEL MURPHY | Electrical | 1 | 03/21/2026 |
| MURPHY, MICHAEL | Electrical | 1 | 03/21/2026 |
| PERMA IRON CRAFT CORP | Electrical | 1 | 03/21/2026 |
| PETROF, PETRE | Electrical | 1 | 03/21/2026 |
| PRUDENT ELECTRIC INC | Electrical | 1 | 03/22/2026 |
| TOUGH STALLION LLC | Electrical | 1 | 03/21/2026 |
| VIALVA, JOSEPH | Electrical | 1 | 03/21/2026 |
| VICTOR, ALLAN | Electrical | 1 | 03/21/2026 |
| VILANOVA ELEC'L CO. LLC | Electrical | 1 | 03/22/2026 |
| WIESLAW MAKSIM | Electrical | 1 | 03/21/2026 |
| AIR UA CORP | General Contractor | 1 | 08/27/2026 |
| ALLIED TELECOM CORP | General Contractor | 1 | 07/08/2026 |
| ARI CONST & PAINTING LLC | General Contractor | 1 | 07/08/2026 |
| IVENKO INC | General Contractor | 1 | 09/02/2026 |
| STROYBAT INC | General Contractor | 1 | 07/08/2026 |
| AQUEDUCT MECHANICAL CORP | Plumbing | 1 | 09/02/2026 |
| AURA PLUMBING INC | Plumbing | 1 | 07/08/2026 |
| Agency | License # | Filings | Most Recent |
|---|---|---|---|
| ECHO DESIGN + ARCHITECTUR | 9129 | 1 | 05/07/2026 |
| ALAN MARGOLIN & ASSOC | 423 | 1 | 02/04/2026 |
| DCP ARCHITECTURE PLLC | 8724 | 3 | 02/04/2026 |
| MIRELLA BOSELLI R.A. | 6330 | 4 | 01/03/2025 |
| ANGELOS GEORGOPOULOS, P.C | 2955 | 1 | 10/07/2024 |
| SANJIVE VAIDYA ARCHITECT, | 6566 | 1 | 10/10/2022 |
| CAROL MARYAN ARCHITECT | 4233 | 1 | 06/17/2021 |
| BENDIX ENGINEERING, P.C. | 4293 | 2 | 06/15/2021 |
| KMB DESIGN GROUP, LLC | 513 | 1 | 06/29/2018 |
| Source | Work Type | Status | Applicant | Issued |
|---|---|---|---|---|
| DOB NOW | Plumbing | Signed-off | AQUEDUCT MECHANICAL CORP | 09/01/2026 |
| DOB NOW | General Construction | Permit Issued | IVENKO INC | 09/01/2026 |
| DOB NOW | Mechanical Systems | Permit Issued | AIR UA CORP | 08/26/2026 |
| DOB NOW | General Construction | Permit Issued | A & E BROTHERS LTD | 08/12/2026 |
| DOB NOW | Plumbing | Permit Issued | PFL MECHANICAL CORP | 08/10/2026 |
| DOB NOW | General Construction | Permit Issued | A & E BROTHERS LTD | 05/21/2026 |
| DOB NOW | General Construction | Permit Issued | ARI CONST & PAINTING LLC | 05/19/2026 |
| DOB NOW | Suspended Scaffold | Signed-off | STRUCTUAL PRESV SYSTEM | 06/26/2025 |
| DOB NOW | Structural | Signed-off | DELPHI CONSTRUCTION CORP | 10/25/2024 |
| DOB NOW | General Construction | Signed-off | DELPHI CONSTRUCTION CORP | 10/25/2024 |
| DOB NOW | Plumbing | Signed-off | AURA PLUMBING INC | 09/04/2024 |
| DOB NOW | General Construction | Signed-off | DELPHI CONSTRUCTION CORP | 08/13/2024 |
| DOB NOW | Suspended Scaffold | Permit Issued | CENTRAL CONSTRUCTION MGMT | 08/05/2024 |
| DOB NOW | Plumbing | Signed-off | NEW YORK PARK PLBG&HTG CO | 04/04/2023 |
| DOB NOW | Plumbing | Signed-off | NICE PLUMBING CORP | 12/22/2022 |
| DOB NOW | Mechanical Systems | Signed-off | STROYBAT INC | 11/09/2022 |
| DOB NOW | Plumbing | Signed-off | NEW YORK PARK PLBG&HTG CO | 09/30/2021 |
| DOB NOW | General Construction | Signed-off | KING KONG GC | 07/02/2021 |
| DOB NOW | Plumbing | Signed-off | RUGOVA GROUP LLC | 10/05/2020 |
| DOB NOW | Antenna | Permit Issued | ALLIED TELECOM CORP | 03/08/2019 |
| BIS | OT | ISSUED | MAMAIS CONTRACTING CORP | 12/29/2023 |
| BIS | OT | ISSUED | MAMAIS CONTRACTING CORP | 12/29/2023 |
| BIS | OT | ISSUED | MAMAIS CONTRACTING CORP | 12/28/2023 |
| BIS | OT | ISSUED | MAMAIS CONTRACTING CORP | 12/28/2023 |
| BIS | OT | ISSUED | MAMAIS CONTRACTING CORP | 04/27/2023 |
| BIS | OT | ISSUED | MAMAIS CONTRACTING CORP | 04/11/2023 |
| BIS | OT | ISSUED | MAMAIS CONTRACTING CORP | 10/11/2022 |
| BIS | OT | ISSUED | MAMAIS CONTRACTING CORP | 04/12/2022 |
| BIS | PL | ISSUED | MC CREADY & RICE PLBG INC. | 04/05/2021 |
| BIS | EQ | ISSUED | ROCKLEDGE SCAFFOLD CORP | 03/02/2021 |
| BIS | OT | ISSUED | STREAMLINE USA LLC | 11/17/2020 |
| BIS | OT | ISSUED | STREAMLINE USA LLC | 10/05/2020 |
| BIS | MH | ISSUED | Z-DAR CONTRACTING INC | 07/08/2020 |
| BIS | OT | ISSUED | Z-DAR CONTRACTING INC | 07/08/2020 |
| BIS | PL | ISSUED | FIVE STAR P&H CO,INC | 06/17/2020 |
| BIS | EQ | ISSUED | ROCKLEDGE SCAFFOLD CORP | 03/31/2020 |
| BIS | OT | ISSUED | YATES REST GROUP LTD | 02/20/2020 |
| BIS | PL | ISSUED | TAYLOR GROUP PLBG,HTG MEC | 07/19/2019 |
| BIS | PL | ISSUED | FIVE STAR P&H CO,INC | 06/24/2019 |
| BIS | OT | ISSUED | Z-DAR CONTRACTING INC | 06/17/2019 |
| Date | Type | Result | Report |
|---|---|---|---|
| 09/09/2026 | Certified Water and Sanitary-WS-Sanitary Piping-Roughing | Certified | View ↗ |
| 03/27/2025 | Certified Water and Sanitary-WS-Fixtures-Finish | Certified | View ↗ |
| 12/16/2024 | Certified Water and Sanitary-WS-Sanitary Piping-Roughing | Certified | View ↗ |
| 05/12/2023 | Certified Remove/Cap - work done in accordance with code | Certified | View ↗ |
| 05/12/2023 | Certified Water and Sanitary-WS-Fixtures-Finish | Certified | View ↗ |
| 04/13/2023 | No Access-Final PL - Up to 3 Requested Floors | No Access | View ↗ |
| 02/28/2023 | Fail-Final PL - Up to 3 Requested Floors | Fail | View ↗ |
| 02/02/2023 | Certified Water and Sanitary-WS-Sanitary Piping-Roughing | Certified | View ↗ |
| 12/02/2022 | Certified Water and Sanitary-WS-Fixtures-Finish | Certified | View ↗ |
| 10/06/2021 | Certified Gas-Gas-Piping-Roughing | Certified | View ↗ |
| 10/06/2021 | Certified Water and Sanitary-WS-Sanitary Piping-Roughing | Certified | View ↗ |
| Date | Requirement | Inspector | Role |
|---|---|---|---|
| 08/24/2026 | Final | — | progress |
| 08/24/2026 | Structural Stability – Alterations of existing buildings | — | special |
| 03/25/2026 | Tenant Protection Plan Compliance | — | special |
| 12/02/2025 | Tenant Protection Plan Compliance | Tyler Caine | special |
| 12/02/2025 | Tenant Protection Plan Compliance | Tyler Caine | special |
| 12/02/2025 | Fire-Resistant Penetrations and Joints | Tyler Caine | special |
| 11/25/2025 | Final | Tyler Caine | progress |
| 11/25/2025 | Fire-Resistant Penetrations and Joints | Tyler Caine | special |
| 10/02/2025 | Final | — | progress |
| 01/08/2025 | Fire-Resistance Rated Construction | Mirella Boselli | progress |
| 01/08/2025 | Final | Zachary Lewis | progress |
| 01/08/2025 | Fire-Resistant Penetrations and Joints | Mirella Boselli | special |
| 12/27/2024 | Fire-Resistant Penetrations and Joints | Mirella Boselli | special |
| 12/27/2024 | Final | Zachary Lewis | progress |
| 12/27/2024 | Fire-Resistance Rated Construction | Mirella Boselli | progress |
| 12/03/2024 | Fire-Resistant Penetrations and Joints | Mirella Boselli | special |
| 11/26/2024 | Fire-Resistant Penetrations and Joints | Mirella Boselli | special |
| 05/15/2024 | Final | Angelos Georgopoulos | progress |
| 05/15/2024 | Structural Steel - Details | Angelos Georgopoulos | special |
| 05/15/2024 | Structural Steel - Welding | Angelos Georgopoulos | special |
| 05/15/2024 | Structural Steel - High Strength Bolting | Angelos Georgopoulos | special |
| 05/15/2024 | Structural Stability – Alterations of existing buildings | Angelos Georgopoulos | special |
| 07/30/2021 | Fire-Resistant Penetrations and Joints | Matthew Bendix | special |
| 06/17/2021 | Maintenance information | Carol Maryan | energy_progress |
| 06/11/2021 | Fire-Resistant Penetrations and Joints | Matthew Bendix | special |