| Owner | Filings | Most Recent |
|---|---|---|
| 1815 PUTNAM REALTY INC | 1 | 09/01/2026 |
| Date | Price | Unit | Seller → Buyer | $/sf |
|---|---|---|---|---|
| 07/18/2025 | $740K | — | PROPERTY OF KATHERINE MONTEMARANO → 1815 PUTNAM REALTY INC | $728/sf building |
| Firm | Filings | Most Recent |
|---|---|---|
| YOU GAO | 1 | 07/22/2026 |
| Firm | Trade | Roles | Most Recent |
|---|---|---|---|
| GREAT ONE CONSTRUCTION LL | General Contractor | 1 | 09/01/2026 |
| Agency | License # | Filings | Most Recent |
|---|---|---|---|
| YOU GAO | 9407 | 1 | 07/22/2026 |
| Source | Work Type | Status | Applicant | Issued |
|---|---|---|---|---|
| DOB NOW | General Construction | Permit Issued | GREAT ONE CONSTRUCTION LL | 08/31/2026 |
| Date | Requirement | Inspector | Role |
|---|---|---|---|
| 07/22/2026 | Concrete - Cast-In-Place | You Gao | special |