| Owner | Filings | Most Recent |
|---|---|---|
| Peak | 12 | 07/08/2026 |
| 4127 49th Owner | 1 | 03/22/2026 |
| Date | Price | Unit | Seller → Buyer | $/sf |
|---|---|---|---|---|
| 12/10/2021 | $2.1M | — | L18 49TH STREET LLC → 4127 49TH OWNER LLC | $435/sf building |
| 12/15/2015 | $1.8M | — | Private party → L18 49TH STREET LLC | $367/sf building |
| Firm | Filings | Most Recent |
|---|---|---|
| James Chai Architect | 6 | 06/05/2024 |
| Representative | Filings | Most Recent |
|---|---|---|
| James JH Chai & Associates | 6 | 03/21/2026 |
| HTX Building Consulting | 3 | 03/21/2026 |
| Firm | Trade | Roles | Most Recent |
|---|---|---|---|
| Badger Management | General Contractor | 3 | 07/08/2026 |
| Jko Construction & Consu* | General Contractor | 3 | 03/21/2026 |
| Pipestylists | Plumbing | 2 | 07/08/2026 |
| Agency | License # | Filings | Most Recent |
|---|---|---|---|
| James JH Chai & Associate | 6481 | 6 | 06/05/2024 |
| Source | Work Type | Status | Applicant | Issued |
|---|---|---|---|---|
| DOB NOW | Plumbing | Signed-off | T & T Plumbing | 06/21/2024 |
| DOB NOW | Mechanical Systems | Signed-off | Badger Management | 06/20/2024 |
| DOB NOW | General Construction | Signed-off | Badger Management | 05/30/2024 |
| DOB NOW | Plumbing | Signed-off | T & T Plumbing | 01/16/2022 |
| DOB NOW | General Construction | Signed-off | Jko Construction & Consu* | 01/12/2022 |
| Filed | Status | Contractor | Scope |
|---|---|---|---|
| 06/23/2024 | Permit Issued | Cresco Electrical | General Wiring |
| 06/12/2024 | Complete | Cresco Electrical | General Wiring |
| 07/06/2023 | Complete | E & M Electrical NY | General Wiring |
| Date | Requirement | Inspector | Role |
|---|---|---|---|
| 06/04/2024 | Tenant Protection Plan Compliance | Joon Ho Chai | special |
| 06/04/2024 | HVAC-R and service water piping design and insulation | Joon Ho Chai | energy_progress |
| 06/04/2024 | Maintenance information | Joon Ho Chai | energy_progress |
| 06/04/2024 | HVAC-R and service water heating equipment | Joon Ho Chai | energy_progress |
| 06/04/2024 | HVAC-R and service water heating system controls | Joon Ho Chai | energy_progress |
| 06/04/2024 | Final | JIN WOO LEE | progress |
| 06/04/2024 | Tenant Protection Plan Compliance | Joon Ho Chai | special |
| 06/04/2024 | Mechanical Systems | Joon Ho Chai | special |
| 06/04/2024 | HVAC-R and service water piping design and insulation | Joon Ho Chai | energy_progress |
| 06/04/2024 | Energy Code Compliance Inspections | Joon Ho Chai | progress |
| 06/04/2024 | Fire-Resistant Penetrations and Joints | Joon Ho Chai | special |
| 05/02/2024 | Fire-Resistant Penetrations and Joints | Joon Ho Chai | special |
| 05/02/2024 | Tenant Protection Plan Compliance | Joon Ho Chai | special |
| 05/02/2024 | Final | JIN WOO LEE | progress |
| 05/02/2024 | Energy Code Compliance Inspections | Joon Ho Chai | progress |
| 05/02/2024 | Fire-Resistance Rated Construction | Joon Ho Chai | progress |
| 05/02/2024 | Fenestration areas | Joon Ho Chai | energy_progress |
| 05/02/2024 | Lighting in dwelling units | Joon Ho Chai | energy_progress |
| 05/02/2024 | Fenestration air leakage | Joon Ho Chai | energy_progress |
| 05/02/2024 | Fenestration and door U-factor and product ratings | Joon Ho Chai | energy_progress |
| 05/02/2024 | Permanent certificate | Joon Ho Chai | energy_progress |
| 05/02/2024 | Air barrier - visual inspection | Joon Ho Chai | energy_progress |
| 01/21/2022 | Insulation placement and R values | Joon Ho Chai | energy_progress |
| 01/21/2022 | Fire-Resistant Penetrations and Joints | Joon Ho Chai | special |
| 01/21/2022 | Mechanical Systems | Joon Ho Chai | special |