2 Upper Alcatraz PL Mill Valley, CA 94941 Active

UPDATED: 03/12/2026 04:35 PM ON MARKET: 14 days on market

$9,750,000

5 Beds6 Baths4,260 SqFt

Key Details

Property Type Single Family Home

Sub Type Single Family Residence

Listing Status Active

Purchase Type For Sale

Square Footage 4,260 sqft

Price per Sqft $2,288

MLS Listing ID 326016540

Bedrooms 5

Full Baths 5

Half Baths 1

HOA Y/N No

Year Built 2021

Lot Size 0.298 Acres

Property Sub-Type Single Family Residence

Location

State CA

County Marin

Community No

Area Mill Valley

Interior

Heating Central

Cooling Central

Fireplaces Number 1

Fireplaces Type Other

Laundry Washer/Dryer Stacked Included

Exterior

Parking Features Attached

Garage Spaces 3.0

Utilities Available Solar

Building

Story 3

Sewer Public Sewer

Water Public

Level or Stories 3

Others

Senior Community No

Special Listing Condition None

Property Description

A groundbreaking Net Zero certified compound just minutes from downtown Mill Valley, 2 Upper Alcatraz Place blends cutting-edge sustainability with stunning architecture and sweeping views from Mt. Tam to the San Francisco skyline. This estate features a 3,610 sq ft all-electric main residence and a 519 sq ft legal ADU with private entry, full kitchen, and terrace. Highlights include wide plank oak floors, floor-to-ceiling glass, Control4 smart home integration, a penthouse-level primary suite, 505 sq ft view terrace, and a rooftop lawn and integrated sound throughout. Solar-powered with battery back up, a home built for future-forward living, this is Mill Valley luxury reimagined.