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Structural Residential Remodels and AdditionsMill ValleyPermit issued

Addition and Remodel Project at 642 Northern Avenue, Mill Valley

642 NORTHERN AVE, Mill Valley, 94941

Winston

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Reported project cost

$189,775

As declared on the permit filing. Structural Residential Remodels and Additions.

Issued
October 19, 2026
Expires
—
License
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What was permitted

Homeowners in Mill Valley undertaking significant renovations can look to this permit for an example of a substantial addition and remodel project. The work includes a new front entry porch, bay window, skylights, windows, and doors.

This project, issued on October 19, 2026, has an estimated cost of $189,775 and also involves meter and circuit upgrades. The contractor for this extensive remodel is currently unknown.

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View the official permit record

Tracking number, work description, cost and dates

Tracking number94225
Work permit #—
Job filing number—
Work typeStructural Residential Remodels and Additions
StatusIssued
Job description(N) Addition And Remodel, (N) Front Entry Porch And Bay, (N) Skylights (N) Windows And Doors (N) Meter And Circuits
Floor / unit—
Estimated cost$189,775
ApprovedMay 18, 2026
IssuedOctober 19, 2026
Expires—
BBL—
BIN—

Related searches

home additionremodelporchskylightswindowsdoorsMill ValleyMarin County$189,775