What was permitted
Homeowners in Mill Valley considering accessory dwelling units (ADUs) can look at projects like the one at 427 E Strawberry Dr. This permit covers converting a basement into a habitable space and includes foundation work.
Issued on October 20, 2026, this project had an estimated cost of $225,000 and was handled by KERR CONSTRUCTION INC.
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 | 94313 |
|---|---|
| Work permit # | — |
| Job filing number | — |
| Work type | Single Family Dwellings |
| Status | Issued |
| Job description | Convert Basement Into Category 1 A D U. Replace Portion Of Existing Foundation. |
| Floor / unit | — |
| Estimated cost | $225,000 |
| Approved | June 18, 2026 |
| Issued | October 20, 2026 |
| Expires | — |
| BBL | — |
| BIN | — |
Related searches
ADUaccessory dwelling unitbasement conversionfoundation repairMarin CountyMill Valley$225,000