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.
Property Details
Price:
$9,750,000
MLS #:
326016540
Status:
Active
Beds:
5
Baths:
6
Type:
Single Family
Subtype:
Single Family Residence
Neighborhood:
millvalley
Finished Sq Ft:
4,260
Lot Size:
12,998 sqft / 0.30 acres (approx)
Year Built:
2021
See this Listing
Schools
Interior
# of Fireplaces
1
Cooling
Central
Fireplace Features
Other
Full Bathrooms
5
Half Bathrooms
1
Heating
Central
Laundry Features
Washer/Dryer Stacked Included
Exterior
Lot Features
Dead End, Grass Artificial, Private
Parking Features
Attached
Pool
No
Stories
3
Financial
HOA
No
Map
Community
- Address2 Upper Alcatraz Place Mill Valley CA
- CityMill Valley
- CountyMarin
- Zip Code94941
Subdivisions in Mill Valley
Market Summary
Current real estate data for Single Family in Mill Valley as of Apr 13, 2026
7
Single Family Listed
26
Avg DOM
1,160
Avg $ / SqFt
$3,753,571
Avg List Price
Property Summary
- 2 Upper Alcatraz Place Mill Valley CA is a Single Family for sale in Mill Valley, CA, 94941. It is listed for $9,750,000 and features 5 beds, 6 baths, and has approximately 4,260 square feet of living space, and was originally constructed in 2021. The current price per square foot is $2,289. The average price per square foot for Single Family listings in Mill Valley is $1,160. The average listing price for Single Family in Mill Valley is $3,753,571.
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Copyright 2026, Bay Area Real Estate Information Services, Inc. All Rights Reserved. Listing courtesy of Lisa Smith at Engel & Volkers Mill Valley
2 Upper Alcatraz Place
Mill Valley, CA