What was permitted
This project involves the construction of site retaining walls in Mill Valley, Marin County. Homeowners considering similar structural improvements can use this as a reference for project scope and investment.
The permit for this retaining wall project was issued on August 11, 2026, with an estimated project cost of $95,000. COHAN STRUCTURES is listed as the contractor for this work.
Plan a similar project
Want work like this done at your place?
Tell us what you have in mind. We scope it, price it against work like this in Mill Valley, and lines up the right contractor. You approve; we handle the back-and-forth.
View the official permit record
Tracking number, work description, cost and dates
View the official permit record
Tracking number, work description, cost and dates
| Tracking number | 93942 |
|---|---|
| Work permit # | — |
| Job filing number | — |
| Work type | Retaining Walls |
| Status | Issued |
| Job description | Site Retaining Walls |
| Floor / unit | — |
| Estimated cost | $95,000 |
| Approved | January 22, 2026 |
| Issued | August 11, 2026 |
| Expires | — |
| BBL | — |
| BIN | — |
Related searches
retaining wallsMarin CountyMill Valleysite retaining wallsconstruction costsstructural improvements