| Owner | Filings | Most Recent |
|---|---|---|
| UNION STREET PROPERTY OWNER | 22 | 09/13/2026 |
| 548 UNION STREET PROPERTY | 1 | 03/22/2026 |
| OWNER OF 550 UNION ST | 1 | 03/22/2026 |
| Date | Price | Unit | Seller → Buyer | $/sf |
|---|---|---|---|---|
| 06/27/2025 | $4.0M | — | 548-550 UNION REALTY LLC → 548 UNION STREET PROPERTY OWNER LLC | $879/sf building |
| 02/28/2024 | $4.0M | — | — → — | $879/sf building |
| 07/27/2021 | $2.0M | — | — → — | $439/sf building |
| Firm | Filings | Most Recent |
|---|---|---|
| STRUCTURAL ENGINEERING TECHNOLOGIES | 4 | 04/28/2026 |
| GRID DRAFTING AND CONSULTING LLC | 1 | 03/11/2026 |
| INM ARCHITECTS PC | 1 | 11/19/2025 |
| ALL CITY ENGINEERING, P.C. | 3 | 11/03/2025 |
| STUDIOSC ARCHITECTURE PLLC | 1 | 10/01/2025 |
| Representative | Filings | Most Recent |
|---|---|---|
| JM ZONING, LLC. | 7 | 03/21/2026 |
| SIERRA SAFETY CORP | 2 | 03/21/2026 |
| IOR DESIGN & CONSULTING | 2 | 03/21/2026 |
| Firm | Trade | Roles | Most Recent |
|---|---|---|---|
| DYNATEC DEVELOPEMENT INC | General Contractor | 10 | 09/07/2026 |
| ALPHA SCAFFOLDING INC | General Contractor | 1 | 09/07/2026 |
| Agency | License # | Filings | Most Recent |
|---|---|---|---|
| HRF SERVICES CORP | 5616 | 8 | 04/28/2026 |
| Source | Work Type | Status | Applicant | Issued |
|---|---|---|---|---|
| DOB NOW | Sidewalk Shed | Permit Issued | ALPHA SCAFFOLDING INC | 09/03/2026 |
| DOB NOW | Structural | Permit Issued | DYNATEC DEVELOPEMENT INC | 08/31/2026 |
| DOB NOW | Support of Excavation | Permit Issued | DYNATEC DEVELOPEMENT INC | 08/31/2026 |
| DOB NOW | Foundation | Permit Issued | DYNATEC DEVELOPEMENT INC | 08/31/2026 |
| DOB NOW | Construction Fence | Permit Issued | DYNATEC DEVELOPEMENT INC | 08/31/2026 |
| DOB NOW | General Construction | Permit Issued | DYNATEC DEVELOPEMENT INC | 08/28/2026 |
| DOB NOW | Structural | Permit Issued | DYNATEC DEVELOPEMENT INC | 07/09/2026 |
| DOB NOW | General Construction | Permit Issued | DYNATEC DEVELOPEMENT INC | 07/08/2026 |
| DOB NOW | Support of Excavation | Permit Issued | DYNATEC DEVELOPEMENT INC | 07/02/2026 |
| DOB NOW | Foundation | Permit Issued | DYNATEC DEVELOPEMENT INC | 07/02/2026 |
| DOB NOW | Construction Fence | Permit Issued | DYNATEC DEVELOPEMENT | 03/17/2026 |
| Filed | Status | Contractor | Scope | Make / Model / Capacity |
|---|---|---|---|---|
| 04/28/2026 | Permit Issued | DYNATEC DEVELOPEMENT INC | Air Conditioning Systems | Cooling Mitsubishi Electric MXZ-SM36NL 36,000 BTU · Condensing Unit ×4 MXZ-SM48NL 48,000 BTU · Condensing Unit ×3 MXZ-SM60NL 60,000 BTU · Condensing Unit ×2 |
| Filed | Status | Contractor | Scope |
|---|---|---|---|
| 04/28/2026 | — | — | Sprinkler System |
| Filed | Status | Contractor | Scope |
|---|---|---|---|
| 04/28/2026 | — | — | Storm, Water/Sanitary |
| Filed | Status | Contractor | Scope |
|---|---|---|---|
| 09/03/2026 | Permit Issued | RICHARD NEU | — |
| Filed | Status | Contractor | Scope |
|---|---|---|---|
| 04/28/2026 | Permit Issued | DYNATEC DEVELOPEMENT INC | Concrete |
| Date | Type | Result | Report |
|---|---|---|---|
| 06/30/2026 | Fail-Final PL - Up to 9 Requested Floors | Fail | View ↗ |
| 06/24/2026 | Certified Remove/Cap - work done in accordance with code | Certified | View ↗ |
| 06/22/2026 | Certified Storm Drainage-ST-Fixtures-Finish | Certified | View ↗ |
| 06/02/2026 | Certified Storm Drainage-ST-Piping-Roughing | Certified | View ↗ |
| 09/17/2025 | Pass-Final PL - Underground | Pass | View ↗ |
| 05/10/2023 | Pass-Final PL - Up to 3 Requested Floors | Pass | View ↗ |
| Date | Requirement | Inspector | Role |
|---|---|---|---|
| 03/13/2026 | Post-installed Anchors | SHAHRIAR QUAYYUM | special |
| 03/13/2026 | Footing and Foundation | SHAHRIAR QUAYYUM | progress |
| 03/13/2026 | Concrete - Cast-In-Place | SHAHRIAR QUAYYUM | special |
| 03/13/2026 | Subgrade Inspections | SHAHRIAR QUAYYUM | special |
| 03/13/2026 | Subsurface Investigations (Borings/Test Pits) | SHAHRIAR QUAYYUM | special |
| 03/13/2026 | Construction Operations Influencing Adjacent Structures | SHAHRIAR QUAYYUM | special |
| 03/13/2026 | Final | SHAHRIAR QUAYYUM | progress |
| 03/13/2026 | Underpinning and alternate methods of support of buildings and adjacent property | SHAHRIAR QUAYYUM | special |
| 03/09/2026 | Deep Foundation Elements | SHAHRIAR QUAYYUM | special |
| 01/16/2026 | Vestibules | SHAHRIAR QUAYYUM | energy_progress |
| 01/16/2026 | Air barrier — testing | SHAHRIAR QUAYYUM | energy_progress |
| 01/16/2026 | Exterior lighting power | SHAHRIAR QUAYYUM | energy_progress |
| 01/16/2026 | Lighting controls | SHAHRIAR QUAYYUM | energy_progress |
| 01/16/2026 | Interior lighting power | SHAHRIAR QUAYYUM | energy_progress |
| 01/16/2026 | Lighting in dwelling units | SHAHRIAR QUAYYUM | energy_progress |
| 01/16/2026 | Metering | SHAHRIAR QUAYYUM | energy_progress |
| 11/03/2025 | Maintenance information | SHAHRIAR QUAYYUM | energy_progress |
| 11/03/2025 | Exhaust and Vent Systems in Plenums and Ducts | SHAHRIAR QUAYYUM | special |
| 11/03/2025 | Fire-Resistant Penetrations and Joints | SHAHRIAR QUAYYUM | special |
| 11/03/2025 | HVAC-R and service water heating system controls | SHAHRIAR QUAYYUM | energy_progress |
| 11/03/2025 | Duct leakage testing, insulation and design | SHAHRIAR QUAYYUM | energy_progress |
| 11/03/2025 | HVAC-R and service water piping design and insulation | SHAHRIAR QUAYYUM | energy_progress |
| 11/03/2025 | HVAC-R and service water heating equipment | SHAHRIAR QUAYYUM | energy_progress |
| 11/03/2025 | HVAC-R and service water heating system controls | SHAHRIAR QUAYYUM | energy_progress |
| 11/03/2025 | HVAC-R and service water heating equipment | SHAHRIAR QUAYYUM | energy_progress |