Langan Engineering and Environmental Services, LLC is named on 2 tracked Philadelphia projects and 2 Philadelphia filings, as engineer, permit applicant. 2 projects are live. The record named it 2 times in the last 12 months, most recently in Feb 2026. Most of its project work is in Philadelphia. It shares projects with 3 other firms.
Every filing and project where the record names them, as engineer. Pro shows all of it.
Plus their phone and mailing address.
Every bar is a month of public filings that name Langan Engineering and Environmental Services, LLC, from Feb 2026. A filing counts once, whatever role it names them in.
| Filed | Record | Their role | Where | Value |
|---|---|---|---|---|
| Feb 25, 2026 | Zoning case | permit applicant | · | |
| Feb 20, 2026 | Zoning case | permit applicant | · |
| Project | Their role | Status | Type | Units | Sq Ft | Expected |
|---|---|---|---|---|---|---|
| engineer | Approved | Other | · | · | · | |
| engineer | Proposed | Other | · | · | · |
| Market | Projects | Filings · 12 mo | Last on the record |
|---|---|---|---|
| Philadelphia · this file | 2 | 2 | Feb 2026 |
| Austin | 1 | 2 | Jun 2026 |
| Texas | 1 | 1 | Mar 2026 |
| Miami | 1 | 1 | Oct 2026 |
| Dallas-Fort Worth | · | 1 | Aug 2026 |
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 Langan Engineering and Environmental Services, LLC. Partners are firms named on the same projects or filings.