Building permitMarin County

522 Northern Ave (A D U 523 Shasta Ave), Mill Valley, Ca 94941

RESIDENTIAL permit in Marin County, issued April 16, 2026. Permit #181497.

$150K
DECLARED VALUE
April 16, 2026
ISSUED
September 3, 2025
FILED

Permit details

Permit number181497
Address522 Northern Ave (A D U 523 Shasta Ave), Mill Valley, Ca 94941
Permit typeRESIDENTIAL — All other Construction
Work descriptionDetached A D U; Deck
ContractorPRISTINE BUILDING COMPANIES INC

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Source: Marin County official permit records (Marin County Community Development Agency, Building and Safety Division), retrieved by The Permit Sheet. Verify current status with the issuing department via Marin County Public Access Viewer (CDA Building and Safety records search) before relying on it.