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General ConstructionMill ValleyPermit issued

Retaining Wall Construction at 61 Monte Cimas Ave, Mill Valley

61 MONTE CIMAS AVE, Mill Valley, 94941

Winston

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Reported project cost

$120,000

As declared on the permit filing. Retaining Walls.

Issued
June 24, 2026
Expires
—
License
—

What was permitted

This project involves the construction of three new retaining walls in the front of the property, all of the same construction type. A guardrail is also included in the scope of work.

The permit for these retaining walls has been issued, with work expected by June 24, 2026. The estimated project cost for this undertaking is $120,000, and MASTEC COMMUNICAITONS GROUP is the contractor.

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View the official permit record

Tracking number, work description, cost and dates

Tracking number94133
Work permit #—
Job filing number—
Work typeRetaining Walls
StatusIssued
Job description3 New Retaining Walls In Front Of Existing (All Same Type Of Construction); Guardrail
Floor / unit—
Estimated cost$120,000
ApprovedApril 10, 2026
IssuedJune 24, 2026
Expires—
BBL—
BIN—

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retaining wallsMill ValleyMarin Countyguardrailsite work$100k-$150k