BuildNYCBuildNYC| Date | Price | Unit | Seller → Buyer | $/sf |
|---|---|---|---|---|
| 11/04/2025 | $700K | — | Private party → CHAI 5555 LLC | — not available |
| Firm | Filings | Most Recent |
|---|---|---|
| Sion Consulting Engineering | 5 | 10/15/2026 |
| Filed | Status | Contractor | Scope | Make / Model / Capacity |
|---|---|---|---|---|
| 10/15/2026 | — | — | Heating and Air Conditioning Systems, Ventilation Systems | Heat / Cool Cooper & Hunter CH-N60LCU-230VO 60,000 BTU · Heat Pump Outdoor ×3 |
| Filed | Status | Contractor | Scope |
|---|---|---|---|
| 10/15/2026 | — | — | Storm, Water/Sanitary |
| Filed | Status | Contractor | Scope |
|---|---|---|---|
| 10/15/2026 | — | — | Wood |
| Filed | Status | Contractor | Scope |
|---|---|---|---|
| 10/15/2026 | — | — | Fence |
| Date | Requirement | Inspector | Role |
|---|---|---|---|
| 09/18/2026 | Fire-Resistant Penetrations and Joints | — | special |
| 09/18/2026 | HVAC-R and service water piping design and insulation | — | energy_progress |
| 09/18/2026 | Permanent certificate | — | energy_progress |
| 09/18/2026 | Maintenance information | — | energy_progress |
| 09/18/2026 | Private On-Site Storm Water Disposal Systems-, and Detention Facilities, Installation | — | special |
| 09/18/2026 | Soil Percolation Test - Private On-Site Storm Water Drainage Disposal Systems, and Detention Facilities | — | special |
| 09/18/2026 | HVAC-R and service water heating equipment | — | energy_progress |
| 09/18/2026 | Energy Code Compliance Inspections | — | progress |
| 09/18/2026 | HVAC-R and service water heating system controls | — | energy_progress |
| 09/03/2026 | Air barrier — testing | — | energy_progress |
| 07/31/2026 | Footing and Foundation | — | progress |
| 07/31/2026 | Energy Code Compliance Inspections | — | progress |
| 07/31/2026 | Fire-Resistance Rated Construction | — | progress |
| 07/31/2026 | Preliminary | — | progress |
| 07/31/2026 | Structural Wood Frame | — | progress |
| 07/31/2026 | HVAC-R and service water heating system controls | — | energy_progress |
| 07/31/2026 | Lighting in dwelling units | — | energy_progress |
| 07/31/2026 | Fenestration air leakage | — | energy_progress |
| 07/31/2026 | Ventilation and air distribution system | — | energy_progress |
| 07/31/2026 | Fenestration areas | — | energy_progress |
| 07/31/2026 | HVAC-R and service water piping design and insulation | — | energy_progress |
| 07/31/2026 | HVAC-R and service water heating equipment | — | energy_progress |
| 07/31/2026 | Fenestration and door U-factor and product ratings | — | energy_progress |
| 07/31/2026 | Electric vehicle service equipment requirements | — | energy_progress |
| 07/31/2026 | Protection of exposed foundation insulation | — | energy_progress |