Yohn Engineering is named on 2 tracked Philadelphia projects and 2 Philadelphia filings, as engineer, architect. 2 projects are live. The record named it 2 times in the last 12 months, most recently in Feb 2026. It shares projects with 2 other firms.
Every filing and project where the record names them, as engineer. Pro shows all of it.
Every bar is a month of public filings that name Yohn Engineering, from Dec 2025. A filing counts once, whatever role it names them in.
No contact details on file.
| Filed | Record | Their role | Where | Value |
|---|---|---|---|---|
| Feb 19, 2026 | Site plan | architect | · | |
| Dec 18, 2025 | Site plan | architect | · |
| Project | Their role | Status | Type | Units | Sq Ft | Expected |
|---|---|---|---|---|---|---|
| engineer | Proposed | Other | · | · | · | |
| engineer | Proposed | Other | · | · | · |
How this file is built: every count comes from public filings (permits and zoning cases) and the project files Groundbreak tracks in Philadelphia. A filing counts once, however many times it names Yohn Engineering. Partners are firms named on the same projects or filings.