| Owner | Filings | Most Recent |
|---|---|---|
| Grand Construction & Development | 3 | 10/17/2026 |
| Date | Price | Unit | Seller → Buyer | $/sf |
|---|---|---|---|---|
| 12/28/2020 | $13.0M | — | 46-30 21 ST LLC → 21ST STREET DEVELOPMENT LLC | — not available |
| Firm | Filings | Most Recent |
|---|---|---|
| Lu Ning Architecture | 19 | 06/04/2026 |
| Synergic Design Architects | 1 | 07/29/2024 |
| Lombardo Professional Engineering | 1 | 11/16/2023 |
| Tohfaz Uddin PE | 2 | 10/03/2023 |
| Ashraf | 2 | 08/31/2023 |
| Z&T Engineering | 7 | 05/25/2023 |
| Times Buildings Engineering Service | 2 | 04/12/2021 |
| Representative | Filings | Most Recent |
|---|---|---|
| Lombardo Building Consultants | 1 | 03/21/2026 |
| Lu Ning Architecture | 14 | 03/21/2026 |
| Green Studio | 6 | 03/21/2026 |
| KD Designs | 1 | 03/21/2026 |
| Meiyun Chen | 2 | 03/21/2026 |
| Firm | Trade | Roles | Most Recent |
|---|---|---|---|
| Century Construction Group | General Contractor | 16 | 07/08/2026 |
| Platinum Services NY | Scaffold | 12 | 07/08/2026 |
| Grand Construction & Development* | General Contractor | 8 | 10/17/2026 |
| Great City Mechanical | Fire Protection | 8 | 07/08/2026 |
| Grand Construction & Development* | Scaffold | 6 | 03/21/2026 |
| Century Construction Group | Scaffold | 4 | 07/08/2026 |
| Joe Parziale Plumbing Co | Plumbing | 3 | 07/08/2026 |
| Dynasty Contracting | Scaffold | 3 | 03/21/2026 |
| Plumbing NYC | Fire Protection | 1 | 07/08/2026 |
| Accord Power | General Contractor | 1 | 07/08/2026 |
| All State 12 General Contracting | Scaffold | 1 | 07/08/2026 |
| HV Electric | Electrical | 1 | 03/22/2026 |
| Agency | License # | Filings | Most Recent |
|---|---|---|---|
| Z & T Engineering | 591 | 22 | 06/04/2026 |
| Synergic Design | 8561 | 1 | 07/29/2024 |
| S&S Concrete & Soil Testi | 1008 | 1 | 05/24/2023 |
| Times Buildings Engineering | 710 | 1 | 04/12/2021 |
| Source | Work Type | Status | Applicant | Issued |
|---|---|---|---|---|
| DOB NOW | Curb Cut | Permit Issued | Grand Construction & Development* | 10/16/2026 |
| DOB NOW | General Construction | Permit Issued | Grand Construction & Development* | 08/26/2025 |
| DOB NOW | Sprinklers | Signed-off | Joe Parziale Plumbing Co | 08/25/2025 |
| DOB NOW | Standpipe | Signed-off | Joe Parziale Plumbing Co | 08/25/2025 |
| DOB NOW | Plumbing | Signed-off | Joe Parziale Plumbing Co | 08/25/2025 |
| DOB NOW | Sidewalk Shed | Signed-off | Platinum Services NY | 08/18/2025 |
| DOB NOW | Construction Fence | Signed-off | Grand Construction & Development* | 08/05/2025 |
| DOB NOW | Mechanical Systems | Signed-off | Grand Construction & Development* | 05/05/2025 |
| DOB NOW | General Construction | Permit Issued | Grand Construction & Development* | 04/01/2025 |
| DOB NOW | Standpipe | Signed-off | Joe Parziale Plumbing Co | 10/04/2024 |
| DOB NOW | Standpipe | Signed-off | Joe Parziale Plumbing Co | 10/02/2024 |
| DOB NOW | Sprinklers | Signed-off | Joe Parziale Plumbing Co | 10/02/2024 |
| DOB NOW | Supported Scaffold | Signed-off | Platinum Services NY | 09/30/2024 |
| DOB NOW | Protection and Mechanical Methods | Permit Issued | Platinum Services NY | 09/16/2024 |
| DOB NOW | General Construction | Permit Issued | Grand Construction & Development* | 08/27/2024 |
| DOB NOW | Solar | Signed-off | Accord Power | 08/05/2024 |
| DOB NOW | Sidewalk Shed | Signed-off | Platinum Services NY | 07/23/2024 |
| DOB NOW | Construction Fence | Signed-off | Grand Construction & Development* | 07/08/2024 |
| DOB NOW | Plumbing | Signed-off | Joe Parziale Plumbing Co | 07/03/2024 |
| DOB NOW | General Construction | Permit Issued | Grand Construction & Development* | 06/20/2024 |
| DOB NOW | Construction Fence | Signed-off | Century Construction Group | 05/21/2024 |
| DOB NOW | Support of Excavation | Signed-off | Century Construction Group | 02/22/2024 |
| DOB NOW | Protection and Mechanical Methods | Permit Issued | Century Construction Group | 11/17/2023 |
| DOB NOW | Structural | Signed-off | Century Construction Group | 11/13/2023 |
| DOB NOW | Standpipe | Signed-off | Joe Parziale Plumbing Co | 10/10/2023 |
| DOB NOW | Standpipe | Signed-off | Joe Parziale Plumbing Co | 10/06/2023 |
| DOB NOW | Sprinklers | Signed-off | Joe Parziale Plumbing Co | 10/06/2023 |
| DOB NOW | Supported Scaffold | Signed-off | Platinum Services NY | 10/03/2023 |
| DOB NOW | Protection and Mechanical Methods | Permit Issued | Platinum Services NY | 09/18/2023 |
| DOB NOW | Sidewalk Shed | Signed-off | Platinum Services NY | 08/31/2023 |
| DOB NOW | Support of Excavation | Signed-off | Century Construction Group | 08/21/2023 |
| DOB NOW | Plumbing | Signed-off | Joe Parziale Plumbing Co | 08/09/2023 |
| DOB NOW | Earth Work | Signed-off | Century Construction Group | 06/22/2023 |
| DOB NOW | Support of Excavation | Signed-off | Century Construction Group | 06/22/2023 |
| DOB NOW | General Construction | Permit Issued | Century Construction Group | 06/22/2023 |
| DOB NOW | Construction Fence | Signed-off | Century Construction Group | 05/23/2023 |
| DOB NOW | Support of Excavation | Signed-off | Century Construction Group | 05/19/2023 |
| DOB NOW | Foundation | Signed-off | Century Construction Group | 05/19/2023 |
| DOB NOW | Support of Excavation | Signed-off | Century Construction Group | 03/30/2023 |
| DOB NOW | Earth Work | Signed-off | Century Construction Group | 03/01/2023 |
| Filed | Status | Contractor | Scope | Make / Model / Capacity |
|---|---|---|---|---|
| 06/04/2026 | Permit Issued | Grand Construction & Development* | Air Conditioning Systems, Heating Systems, Ventilation Systems | Cooling Lg LMU300HHV 28,000 BTU · Vrf Outdoor ×343 LMU240HHV 24,000 BTU · Condensing Unit ×140 LMU363HV 32,800 BTU · Condensing Unit ×14 KUSXA481A 48,000 BTU · Condensing Unit ×8 LMU361HHV 36,000 BTU · Vrf Outdoor ×4 LMU480HHV 48,000 BTU · Condensing Unit ×25 LUU360HHV 36,000 BTU · Condensing Unit ×5 Thermotek TTRTU3-I.300-18-12.5T-ERV 240,000 BTU · Rooftop Unit ×2 TTRTU4.I.500-30-22T-ERV 270,000 BTU · Rooftop Unit ×1 TTRTU4-I.500-30-22T-ERV 270,000 BTU · Rooftop Unit ×1 Heating Lg LMU300HHV 29,000 BTU · Vrf Outdoor ×343 LMU240HHV 26,000 BTU · Condensing Unit ×140 LMU363HV 36,000 BTU · Condensing Unit ×14 KUSXA481A 52,000 BTU · Condensing Unit ×8 LMU361HHV 45,000 BTU · Vrf Outdoor ×4 LMU480HHV 53,000 BTU · Condensing Unit ×10 LUU360HHV 40,000 BTU · Condensing Unit ×5 Thermotek TTRTU3-I.300-18-12.5T-ERV 125,300 BTU · Rooftop Unit ×2 TTRTU4.I.500-30-22T-ERV 400,000 BTU · Rooftop Unit ×1 TTRTU4-I.500-30-22T-ERV 400,000 BTU · Rooftop Unit ×1 Ventilation Lg LMU300HHV 2,295 CFM · Vrf Outdoor ×93 LMU240HHV 2,295 CFM · Condensing Unit ×140 LMU363HV 2,119 CFM · Condensing Unit ×14 KUSXA481A 4,238 CFM · Condensing Unit ×8 LMU361HHV 2,119 CFM · Vrf Outdoor ×4 LMU480HHV 4,238 CFM · Condensing Unit ×25 LUU360HHV 1,200 CFM · Condensing Unit ×5 Thermotek TTRTU3-I.300-18-12.5T-ERV 3,000 CFM · Rooftop Unit ×2 TTRTU4.I.500-30-22T-ERV 6,000 CFM · Rooftop Unit ×1 TTRTU4-I.500-30-22T-ERV 6,000 CFM · Rooftop Unit ×1 |
| Filed | Status | Contractor | Scope |
|---|---|---|---|
| 06/04/2026 | Signed-off | Great City Mechanical | Sprinkler System |
| Filed | Status | Contractor | Scope |
|---|---|---|---|
| 06/04/2026 | Signed-off | Great City Mechanical | Gas, Storm, Water/Sanitary |
| Filed | Status | Contractor | Scope |
|---|---|---|---|
| 01/30/2026 | Permit Issued | Emp Electric | General Wiring |
| 11/03/2025 | Permit Issued | HV Electric | General Wiring |
| 01/10/2025 | Permit Issued | Intelogic Electric | General Wiring |
| 08/02/2024 | Complete | Power Surge Electric | — |
| 06/18/2024 | Complete | Illuminous Electric | — |
| 03/07/2024 | Permit Issued | Intelogic Electric | General Wiring |
| 03/07/2024 | Permit Issued | Intelogic Electric | General Wiring |
| 10/09/2023 | Complete | Illuminous Electric | — |
| 07/05/2022 | Permit Issued | HV Electric | 1 meters, 1 new_meters |
| 12/09/2021 | Complete | Illuminous Electric | General Wiring |
| Filed | Status | Contractor | Scope |
|---|---|---|---|
| 06/04/2026 | Permit Issued | Grand Construction & Development* | Concrete |
| Filed | Status | Contractor | Scope |
|---|---|---|---|
| 06/04/2026 | Permit Issued | Grand Construction & Development* | Fence |
| Date | Type | Result | Report |
|---|---|---|---|
| 05/01/2026 | Pass-Final CND-Occupancy Inspection | Pass | View ↗ |
| 03/16/2026 | Certified StandPipe-Fire Pump (SD)-Fire Pump Test | Certified | View ↗ |
| 03/16/2026 | Certified StandPipe-SD-Fixtures-Finish-SD | Certified | View ↗ |
| 03/09/2026 | Certified StandPipe-SD-Piping-Hydrostatic Test | Certified | View ↗ |
| 12/18/2024 | Certified Gas-Gas-Piping-Roughing | Certified | View ↗ |
| 08/14/2024 | Certified Storm Drainage-ST-Piping-Underground | Certified | View ↗ |
| 11/14/2023 | Certified StandPipe - SD - Hydrostatic 63/09 Test (Initial 75 Feet) | Certified | View ↗ |
| 08/23/2023 | Certified Water and Sanitary-WS-Sanitary Piping-Underground | Certified | View ↗ |
| 04/14/2022 | Certified Remove/Cap - work done in accordance with code | Certified | View ↗ |
| Date | Requirement | Inspector | Role |
|---|---|---|---|
| 06/15/2026 | Sprinkler Systems | Fei Zeng | special |
| 06/15/2026 | Standpipe Systems | Fei Zeng | special |
| 06/15/2026 | Post-installed Anchors | Fei Zeng | special |
| 06/15/2026 | Fire-Resistant Penetrations and Joints | Fei Zeng | special |
| 06/15/2026 | Energy Code Compliance Inspections | Fei Zeng | progress |
| 06/15/2026 | HVAC-R and service water piping design and insulation | Fei Zeng | energy_progress |
| 06/02/2026 | Exterior lighting power | Fei Zeng | energy_progress |
| 06/02/2026 | Air barrier - visual inspection | Fei Zeng | energy_progress |
| 06/02/2026 | Interior lighting power | Fei Zeng | energy_progress |
| 06/02/2026 | Fenestration areas | Fei Zeng | energy_progress |
| 06/02/2026 | Insulation placement and R values | Fei Zeng | energy_progress |
| 06/02/2026 | Fire-Resistance Rated Construction | Fei Zeng | progress |
| 06/02/2026 | Energy Code Compliance Inspections | Fei Zeng | progress |
| 06/02/2026 | Subsurface Investigations (Borings/Test Pits) | Fei Zeng | special |
| 06/02/2026 | Fire-Resistant Penetrations and Joints | Fei Zeng | special |
| 06/02/2026 | Metering | Fei Zeng | energy_progress |
| 06/02/2026 | Lighting controls | Fei Zeng | energy_progress |
| 06/02/2026 | Protection of exposed foundation insulation | Fei Zeng | energy_progress |
| 06/02/2026 | Fenestration air leakage | Fei Zeng | energy_progress |
| 06/02/2026 | Fenestration and door U-factor and product ratings | Fei Zeng | energy_progress |
| 06/02/2026 | Lighting in dwelling units | Fei Zeng | energy_progress |
| 05/19/2026 | Post-installed Anchors | Fei Zeng | special |
| 05/19/2026 | Fire-Resistant Penetrations and Joints | Fei Zeng | special |
| 05/19/2026 | Sprinkler Systems | Fei Zeng | special |
| 05/19/2026 | Standpipe Systems | Fei Zeng | special |