| Owner | Filings | Most Recent |
|---|---|---|
| KAJ NY CONSTRUCTION | 8 | 07/08/2026 |
| VKNC REALTY LLC | 4 | 03/22/2026 |
| 521 PROPERTIES | 17 | 03/22/2026 |
| OLD MASTER CONSTRUCTION C | 1 | 03/21/2026 |
| Date | Price | Unit | Seller → Buyer | $/sf |
|---|---|---|---|---|
| 07/01/2015 | $3.5M | — | 521 PROPERTIES LLC → VKNC REALTY LLC | $290/sf building |
| Firm | Filings | Most Recent |
|---|---|---|
| P GEORGOPOULOS ARCHITECT PC | 1 | 06/18/2021 |
| SYED ENGINEERING, P.C. | 2 | 08/12/2020 |
| Representative | Filings | Most Recent |
|---|---|---|
| ADVANCED BUILDERS SERVICES | 2 | 03/21/2026 |
| Firm | Trade | Roles | Most Recent |
|---|---|---|---|
| KAJ NY CONSTRUCTION INC | General Contractor | 4 | 07/08/2026 |
| RICHARD NEU | Electrical | 1 | 03/21/2026 |
| EAST COAST MANINTENANCE | General Contractor | 1 | 07/08/2026 |
| Source | Work Type | Status | Applicant | Issued |
|---|---|---|---|---|
| DOB NOW | General Construction | Signed-off | EAST COAST MANINTENANCE | 09/17/2021 |
| DOB NOW | Sidewalk Shed | Permit Issued | KAJ NY CONSTRUCTION INC | 08/12/2020 |
| DOB NOW | Supported Scaffold | Permit Issued | KAJ NY CONSTRUCTION INC | 08/12/2020 |
| BIS | OT | ISSUED | OLD MASTER CONSTRUCTION C | 03/22/2022 |
| BIS | OT | ISSUED | OLD MASTER CONSTRUCTION C | 09/03/2020 |
| BIS | FP | ISSUED | UNIQUE FIRE SYSTEMS INC | 02/28/2019 |
| BIS | OT | ISSUED | EAST COAST MANINTENANCE | 11/14/2018 |
| BIS | OT | ISSUED | MODERN G.C. RENOVATION CO | 04/27/2018 |
| BIS | OT | ISSUED | DROMOS CORPORATION | 09/23/2015 |
| BIS | BL | ISSUED | METROPOLITAN HEAT & POWER CO | 02/27/2012 |
| BIS | PL | ISSUED | METROPOLITAN HEAT & POWER CO | 02/27/2012 |
| BIS | PL | ISSUED | THE PLUMBING COMPANY INC | 07/24/2009 |
| BIS | OT | ISSUED | LEKKOS CONSTRUCTION CORP | 04/23/2009 |
| BIS | PL | ISSUED | METROPOLITAN HEAT & POWER CO | 07/22/2002 |
| BIS | BL | ISSUED | SANITARY PLG AND HTG CORP | 07/12/1994 |
| BIS | OT | ISSUED | CITY GENERAL IRON WORKS | 02/02/1994 |
| BIS | PL | ISSUED | CALRAY SALES AND SERVICE INC. | 01/23/1992 |
| BIS | BL | ISSUED | CALRAY SALES AND SERVICE INC. | 12/20/1991 |
| Filed | Status | Contractor | Scope |
|---|---|---|---|
| 08/11/2020 | Permit Issued | RICHARD NEU | — |
| 01/17/2019 | Permit Issued | N.Z. PILGRIM ELECTRIC INC | 1 meters |
| 06/29/2018 | Permit Issued | APEX ELECTRIC CORP | General Wiring, Lighting |
| Filed | Status | Contractor | Scope |
|---|---|---|---|
| 08/12/2020 | Permit Issued | KAJ NY CONSTRUCTION INC | Scaffold |
| 08/11/2020 | Permit Issued | KAJ NY CONSTRUCTION INC | Sidewalk Shed |