What was permitted
Homeowners in Mill Valley, Marin County, can research the costs associated with creating additional living space with this permit. The project at 215 Julia Ave involved converting an existing basement into a new Accessory Dwelling Unit (ADU).
This extensive remodel was issued on May 11, 2026, with an estimated project cost of $175,000. HILDEBRAND RENOVATION INC is the contractor for this ADU conversion.
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 | 93844 |
|---|---|
| Work permit # | — |
| Job filing number | — |
| Work type | Non-struc Residential Remodels and Alterations |
| Status | Issued |
| Job description | Convert Basement To A D U |
| Floor / unit | — |
| Estimated cost | $175,000 |
| Approved | December 22, 2025 |
| Issued | May 11, 2026 |
| Expires | — |
| BBL | — |
| BIN | — |
Related searches
ADU conversionMill ValleyMarin Countybasement remodel$175,000residential remodel