Housing project
522 Northern Ave (A D U 523 Shasta Ave) · Unincorporated Marin · APN 049-102-01 · What else is happening nearby
Permit issued; work may be underway. Based on 181497: 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.
Detached A D U; Deck
Applied Sep 3, 2025 · Issued Apr 16, 2026 · 1 units · valuation $150,000 · 522 Northern Ave (A D U 523 Shasta Ave)
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: 181497
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.