Housing project
40 Rock Rd (Adu 40a) · Unincorporated Marin · APN 074-171-03 · What else is happening nearby
Permit issued; work may be underway. Based on 181346: city status 'Issued'.
As proposed on the most recent active record
The applicant's construction cost estimate on the permit. Not a market or assessed value.
None of these records has changed between our snapshots so far.
Convert (E) "Live In" (Permitted Under 171878) To (N) A D U
Applied Jul 3, 2025 · Issued Mar 25, 2026 · 1 units · valuation $40,420 · 40 Rock Rd (Adu 40a)
Linked because: earliest record in this project
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Geography: parcel · Retrieved Oct 28, 2026
Search by record number: 181346
Zoning, assessor links, and the full permit history for the parcel
The city and the State don't publish a single project record, so we group related permits and State housing reports ourselves. This grouping is our inference, not an official record. Each permit shows why it was included.