A groundbreaking Net Zero certified compound just minutes from

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Home For Sale

2 Upper Alcatraz Place

Mill Valley, California 94941

Marin County

Community: 

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$9,750,000 5 br, 6.0 bath 4260 sq. ft. 0.298 acres

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.

Interior:
  • Bedrooms: 5
  • Baths: 6.0
  • Sq Ft: 4260
  • Year Built: 2021
  • Utilities: 
  • Fireplaces: 
  • Stories: 
  • Heat/AC: Central
  • Garage: 
Exterior:
  • Lot Size: 0.298 acre
  • Lot Dimensions: 
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  • MLS #: 326016540
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Contact Information:
Beach Home For Sale in Mill Valley, California
Listing Agent: Lisa Smith, Engel & Völkers Mill Valley, , 415-726-2166 Listing Site, Listing Status: Active
Copyright © 2026 Engel & Völkers. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.
Ad Number: 7345547
Viewed 23 times.
Updated: Mar 12, 2026

This property is a Home located at 2 Upper Alcatraz Place, Mill Valley, California 94941, and is currently For Sale at $9,750,000. This Home has 5 bedrooms, 6.0 baths, 4260 sq ft.