| Date | Price | Unit | Seller → Buyer | $/sf |
|---|---|---|---|---|
| 04/21/2023 | $1.3M | — | 6010 CATALPA LLC → Private party | $359/sf building |
| 06/03/2021 | $880K | — | Private party → 6010 CATALPA LLC | $252/sf building |
| Firm | Filings | Most Recent |
|---|---|---|
| KAIJIN LIANG | 1 | 11/20/2025 |
| STEEL CORE ENGINEERING PLLC | 6 | 04/09/2025 |
| SATWIN ARCHITECT, PC | 4 | 10/28/2024 |
| Representative | Filings | Most Recent |
|---|---|---|
| SATWIN ARCHITECT, PC | 20 | 03/21/2026 |
| KAMTECH RESTORATION CORP | 2 | 03/21/2026 |
| Firm | Trade | Roles | Most Recent |
|---|---|---|---|
| DYNAMIC PLBNG & SPRKR COR | Fire Protection | 1 | 07/08/2026 |
| COOLQUEST MECHANICAL INC | General Contractor | 1 | 07/08/2026 |
| KAMTECH RESTORATION CORP | General Contractor | 1 | 04/09/2026 |
| POLER CONTRACTING INC | General Contractor | 1 | 07/08/2026 |
| L&J PLG & HTG CO OF NY IN | Plumbing | 1 | 07/08/2026 |
| Agency | License # | Filings | Most Recent |
|---|---|---|---|
| SQ. ARCH, LLC | 4802 | 1 | 11/20/2025 |
| STEEL CORE ENGINEERING PL | 1098 | 9 | 04/09/2025 |
| Source | Work Type | Status | Applicant | Issued |
|---|---|---|---|---|
| DOB NOW | Solar | Signed-off | KAMTECH RESTORATION CORP | 12/05/2025 |
| DOB NOW | Plumbing | Signed-off | L&J PLG & HTG CO OF NY IN | 06/11/2024 |
| DOB NOW | Sprinklers | Signed-off | CITYWIDE PLBG, HTG &SPRKL | 06/05/2024 |
| DOB NOW | General Construction | Permit Issued | POLER CONTRACTING INC | 05/31/2024 |
| DOB NOW | Mechanical Systems | Signed-off | COOLQUEST MECHANICAL INC | 05/22/2024 |
| Filed | Status | Contractor | Scope |
|---|---|---|---|
| 10/28/2024 | Signed-off | L&J PLG & HTG CO OF NY IN | Gas, Storm, Water/Sanitary |
| Filed | Status | Contractor | Scope |
|---|---|---|---|
| 05/06/2025 | Complete | BERGER QUALITY ELEC'L CON | — |
| 01/10/2024 | Permit Issued | ELPO ELECTRICAL CONTG INC | General Wiring |
| Date | Type | Result | Report |
|---|---|---|---|
| 02/14/2025 | Certified Sprinkler-SP-Fixtures-Finish | Certified | View ↗ |
| 10/04/2024 | No Access-Final SP - Up to 3 Requested Floors | No Access | View ↗ |
| 09/26/2024 | Certified Sprinkler-SP-Piping Dry/Wet-Hydrostatic Test | Certified | View ↗ |
| 09/23/2024 | Fail-Final PL - Up to 3 Requested Floors | Fail | View ↗ |
| 09/11/2024 | Fail-Final PL - Up to 3 Requested Floors | Fail | View ↗ |
| 06/25/2024 | Certified Storm Drainage-ST-Fixtures-Finish | Certified | View ↗ |
| 06/18/2024 | Certified Remove/Cap - work done in accordance with code | Certified | View ↗ |
| Date | Requirement | Inspector | Role |
|---|---|---|---|
| 04/23/2025 | Fire-Resistant Penetrations and Joints | Alexander Sheyman | special |
| 04/23/2025 | Sprinkler Systems | Alexander Sheyman | special |
| 01/30/2025 | Sprinkler Systems | Alexander Sheyman | special |
| 01/30/2025 | Fire-Resistant Penetrations and Joints | Alexander Sheyman | special |
| 11/06/2024 | Sprinkler Systems | Alexander Sheyman | special |
| 11/06/2024 | Fire-Resistant Penetrations and Joints | Alexander Sheyman | special |
| 10/02/2024 | HVAC-R and service water piping design and insulation | Marta Satwin-Ramberg | energy_progress |
| 10/02/2024 | Fire-Resistant Penetrations and Joints | Alexander Sheyman | special |
| 10/02/2024 | Energy Code Compliance Inspections | Marta Satwin-Ramberg | progress |
| 08/14/2024 | Fire-Resistant Penetrations and Joints | Alexander Sheyman | special |
| 08/14/2024 | Metering | Marta Satwin-Ramberg | energy_progress |
| 08/14/2024 | Fenestration air leakage | Marta Satwin-Ramberg | energy_progress |
| 08/14/2024 | Interior lighting power | Marta Satwin-Ramberg | energy_progress |
| 08/14/2024 | Insulation placement and R values | Marta Satwin-Ramberg | energy_progress |
| 08/14/2024 | Fenestration and door U-factor and product ratings | Marta Satwin-Ramberg | energy_progress |
| 08/14/2024 | Air barrier - visual inspection | Marta Satwin-Ramberg | energy_progress |
| 08/14/2024 | Fenestration areas | Marta Satwin-Ramberg | energy_progress |
| 08/14/2024 | Fire-Resistance Rated Construction | Marta Satwin-Ramberg | progress |
| 08/14/2024 | Energy Code Compliance Inspections | Marta Satwin-Ramberg | progress |
| 08/14/2024 | Structural Stability – Alterations of existing buildings | Alexander Sheyman | special |
| 10/21/2023 | Heating Systems | Alexander Sheyman | special |
| 10/21/2023 | Fire-Resistant Penetrations and Joints | Alexander Sheyman | special |
| 10/04/2023 | Mechanical Systems | Alexander Sheyman | special |
| 10/04/2023 | Final | Alexander Sheyman | progress |
| 08/02/2023 | Structural Stability – Alterations of existing buildings | Alexander Sheyman | special |