| Date | Price | Unit | Seller → Buyer | $/sf |
|---|---|---|---|---|
| 09/20/2021 | $5.2M | — | Private party → 441 WILLIS AVE LLC | $469/sf building |
| Firm | Filings | Most Recent |
|---|---|---|
| CONCEPT DESIGN GROUP | 5 | 07/31/2023 |
| Representative | Filings | Most Recent |
|---|---|---|
| CONCEPT DESIGN GROUP | 5 | 03/21/2026 |
| Firm | Trade | Roles | Most Recent |
|---|---|---|---|
| NEW YORK STANDARD MECH CORP | Plumbing | 3 | 07/08/2026 |
| EMPIRE STATE REMODELERS | General Contractor | 1 | 07/08/2026 |
| P.S.I. MECHANICAL | Plumbing | 1 | 07/08/2026 |
| Agency | License # | Filings | Most Recent |
|---|---|---|---|
| CDG ARCHITECTS LLC /DBA: | 1327 | 5 | 07/31/2023 |
| Source | Work Type | Status | Applicant | Issued |
|---|---|---|---|---|
| DOB NOW | Plumbing | Signed-off | NEW YORK STANDARD MECH CORP | 10/20/2022 |
| DOB NOW | Plumbing | Signed-off | NEW YORK STANDARD MECH CORP | 02/22/2022 |
| DOB NOW | Mechanical Systems | Signed-off | CONSTRUCTION.SAFETY SERV | 08/02/2021 |
| DOB NOW | Plumbing | Signed-off | P.S.I. MECHANICAL | 12/24/2020 |
| BIS | OT | ISSUED | SKY LAUNDRY SYSTEMS CORP | 12/18/2020 |
| BIS | PL | ISSUED | AVON PLBG & HTG INC | 06/10/2019 |
| BIS | SP | ISSUED | AVON PLBG & HTG INC | 05/02/2019 |
| BIS | OT | ISSUED | BROOKLYN GROUP CONTRACTO* | 11/14/2018 |
| BIS | MH | ISSUED | AIR-TECH SERVICE | 04/23/2007 |
| BIS | OT | ISSUED | J.S. INTERNATIONAL USA, INC. | 12/12/2005 |
| BIS | PL | ISSUED | AVON PLBG & HTG INC | 07/21/1999 |
| BIS | OT | ISSUED | NOVA PLUMBING & HEATING INC | 07/21/1999 |
| BIS | EQ | ISSUED | NOVA PLUMBING & HEATING INC | 07/21/1999 |
| Filed | Status | Contractor | Scope |
|---|---|---|---|
| 07/29/2020 | Permit Issued | FOSTER ELEC'L SVC., INC. | General Wiring |
| 06/07/2019 | Permit Issued | I.S.M. ELECTRIC, INC. | General Wiring |
| Date | Requirement | Inspector | Role |
|---|---|---|---|
| 07/31/2023 | HVAC and service water heating equipment | Yongho Kim | energy_progress |
| 07/31/2023 | HVAC and service water heating system controls | Yongho Kim | energy_progress |
| 07/31/2023 | Maintenance information | Yongho Kim | energy_progress |
| 07/31/2023 | HVAC insulation and sealing | Yongho Kim | energy_progress |
| 07/31/2023 | Mechanical Systems | Yongho Kim | special |
| 07/31/2023 | Final | Yongho Kim | progress |
| 06/22/2023 | Fire-Resistant Penetrations and Joints | Yongho Kim | special |
| 06/22/2023 | HVAC-R and service water heating system controls | Yongho Kim | energy_progress |
| 06/22/2023 | HVAC-R and service water heating equipment | Yongho Kim | energy_progress |
| 06/22/2023 | Maintenance information | Yongho Kim | energy_progress |
| 06/15/2023 | Fire-Resistant Penetrations and Joints | Yongho Kim | special |
| 06/15/2023 | HVAC-R and service water heating equipment | Yongho Kim | energy_progress |
| 06/15/2023 | Maintenance information | Yongho Kim | energy_progress |
| 06/15/2023 | HVAC-R and service water heating system controls | Yongho Kim | energy_progress |
| 07/27/2022 | HVAC-R and service water heating equipment | Yongho Kim | energy_progress |
| 07/27/2022 | HVAC-R and service water heating system controls | Yongho Kim | energy_progress |
| 04/23/2021 | Maintenance information | Yongho Kim | energy_progress |
| 04/23/2021 | Fire-Resistant Penetrations and Joints | Yongho Kim | special |