New York, NYSUN, NOV 1Filings 7d926Permits 7d868Deeds & loans 7d29Updates 7d244Building1,159Contacts202,058
A Treffeisen & Sons LLC is named on 1 tracked New York project and 2 New York filings, as general contractor. 1 project is live. The record named it 2 times in the last 12 months, most recently in Apr 2026. It shares projects with 2 other firms.
Every filing and project where the record names them, as GC. Pro shows all of it.
Plus their phone and mailing address.
Every bar is a month of public filings that name A Treffeisen & Sons LLC, from Apr 2026. A filing counts once, whatever role it names them in.
| Filed | Record | Their role | Where | Value |
|---|---|---|---|---|
| Apr 14, 2026 | Registration | general contractor | ||
| Apr 14, 2026 | Registration | general contractor |
| Project | Their role | Status | Type | Units | Sq Ft | Expected |
|---|---|---|---|---|---|---|
| general contractor | Proposed | Other | · | · | · |
| Market | Projects | Filings · 12 mo | Last on the record |
|---|---|---|---|
| New York State | · | 17 | Oct 2026 |
| New York · this file | 1 | 2 | Apr 2026 |
How this file is built: every count comes from public filings (permits, sales, loans and zoning cases) and the project files Groundbreak tracks in New York. A filing counts once, however many times it names A Treffeisen & Sons LLC. Partners are firms named on the same projects or filings.