WED, NOV 4Filings 7d407Permits 7d146Deeds & loans 7d4Starts 7d0Updates 7d408Building370Contacts21,793
Sonntag Design Group is named on 5 tracked Detroit projects and 14 Detroit filings, as engineer, architect. 5 projects are live. The record named it 14 times in the last 12 months, most recently in Oct 2026. It shares projects with 12 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 Sonntag Design Group, from Jan 2026. A filing counts once, whatever role it names them in.
| Filed | Record | Their role | Where | Value |
|---|---|---|---|---|
| Oct 23, 2026 | Permit | architect | ||
| Oct 23, 2026 | Permit | architect | ||
| Oct 23, 2026 | Permit | architect | ||
| Sep 8, 2026 | Permit | architect | ||
| Sep 3, 2026 | Permit | architect | ||
| Aug 25, 2026 | Permit | architect | ||
| Aug 25, 2026 | Permit | architect | ||
| Jun 29, 2026 | Permit | architect |
6 more filings on this file
| Project | Their role | Status | Type | Units | Sq Ft | Expected |
|---|---|---|---|---|---|---|
| engineer | Approved | Other | · | · | · | |
| engineer | Approved | Other | · | · | · | |
| engineer | Approved | Other | · | · | · | |
| engineer | Approved | Other | · | · | · | |
| engineer | Approved | Other | · | · | · |
How this file is built: every count comes from public filings (permits, sales, loans and zoning cases) and the project files Groundbreak tracks in Detroit. A filing counts once, however many times it names Sonntag Design Group. Partners are firms named on the same projects or filings.