| Owner | Filings | Most Recent |
|---|---|---|
| 1627 50TH STREET REALTY LLC | 4 | 03/22/2026 |
| Date | Price | Unit | Seller → Buyer | $/sf |
|---|---|---|---|---|
| 12/30/2021 | $2.3M | — | — → — | $473/sf building |
| Firm | Filings | Most Recent |
|---|---|---|
| R & O ENGINEERING | 3 | 05/13/2026 |
| EYAL LEVITT ARCHITECT PC | 2 | 04/13/2026 |
| OPTIMIZED ENGINEERING ASSOCIATES | 9 | 02/02/2026 |
| Representative | Filings | Most Recent |
|---|---|---|
| ERETZ BUILDERS ASSISTANCE. | 18 | 03/21/2026 |
| Firm | Trade | Roles | Most Recent |
|---|---|---|---|
| YC DEVELOPERS INC | General Contractor | 3 | 07/08/2026 |
| YATZIV CORP | General Contractor | 1 | 07/08/2026 |
| Agency | License # | Filings | Most Recent |
|---|---|---|---|
| OPTIMIZED ENGINEERING ASS | 2449 | 5 | 07/11/2024 |
| Source | Work Type | Status | Applicant | Issued |
|---|---|---|---|---|
| DOB NOW | Construction Fence | Permit Issued | YC DEVELOPERS INC | 12/17/2025 |
| DOB NOW | Full Demolition | Signed-off | YATZIV CORP | 05/22/2025 |
| DOB NOW | Construction Fence | Permit Issued | YC DEVELOPERS INC | 12/23/2024 |
| DOB NOW | Structural | Signed-off | YC DEVELOPERS INC | 05/07/2024 |
| Filed | Status | Contractor | Scope |
|---|---|---|---|
| 05/13/2026 | — | — | Sprinkler System |
| 07/16/2024 | — | — | Sprinkler System |
| Filed | Status | Contractor | Scope |
|---|---|---|---|
| 07/16/2024 | — | — | Gas, Storm, Water/Sanitary |
| Filed | Status | Contractor | Scope |
|---|---|---|---|
| 05/13/2026 | — | — | Steel, Concrete |
| 05/04/2026 | — | — | 1 scope_items |
| 07/16/2024 | Permit Issued | YC DEVELOPERS INC | 2 scope_items |
| Filed | Status | Contractor | Scope |
|---|---|---|---|
| 07/16/2024 | Permit Issued | YC DEVELOPERS INC | Fence |
| Date | Requirement | Inspector | Role |
|---|---|---|---|
| 06/08/2026 | Post-installed Anchors | — | special |
| 05/13/2026 | Subgrade Inspections | — | special |
| 05/13/2026 | Concrete - Cast-In-Place | — | special |
| 05/13/2026 | Subsurface Investigations (Borings/Test Pits) | — | special |
| 05/13/2026 | Subsurface Conditions – Fill Placement & In-Place Density | — | special |
| 05/08/2026 | Final | — | progress |
| 05/08/2026 | Footing and Foundation | — | progress |
| 04/30/2026 | Structural Steel - High Strength Bolting | — | special |
| 04/30/2026 | Structural Steel - Details | — | special |
| 04/30/2026 | Concrete - Cast-In-Place | — | special |
| 04/30/2026 | Structural Steel - Welding | — | special |
| 04/30/2026 | Subgrade Inspections | — | special |
| 04/30/2026 | Excavations - Sheeting, Shoring, and Bracing | — | special |
| 04/30/2026 | Subsurface Conditions – Fill Placement & In-Place Density | — | special |
| 04/29/2026 | Final | — | progress |
| 03/31/2026 | Fire-Resistant Penetrations and Joints | — | special |
| 09/03/2025 | Sprinkler Systems | — | special |
| 08/06/2025 | Air barrier — testing | — | energy_progress |
| 08/06/2025 | Fire-Resistant Penetrations and Joints | — | special |
| 08/06/2025 | Energy Code Compliance Inspections | — | progress |
| 08/06/2025 | Fire-Resistance Rated Construction | — | progress |
| 08/06/2025 | Permanent certificate | — | energy_progress |
| 08/06/2025 | Air barrier - visual inspection | — | energy_progress |
| 08/06/2025 | Fenestration and door U-factor and product ratings | — | energy_progress |
| 08/06/2025 | Maintenance information | — | energy_progress |