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Off market
  • $9,118,300

    2 Upper Alcatraz Pl, Mill Valley, CA 94941

    5beds
    4,129sqft
    SingleFamily
    Built in 2021
    0.3 Acres Lot
    $9,118,300 Zestimate®
    $2,208/sqft
    $9,753 Estimated rent

    Home value

    $9,118,300

    $8.66M - $9.57M

    $9,753/mo

    Zestimate® history
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    Owner options

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    $9,753/mo

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    $9,753/mo

    Rent Zestimate®

    Refinance and save

    $57,492/mo

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    $57,492/mo

    Est. payment

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    What's special

    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.

    This property is off market, which means it's not currently listed for sale or rent on Zillow. This may be different from what's available on other websites or public sources.

    Zillow last checked: 22 hours ago

    Source: Engel & Volkers,MLS#: 325072653MLS Logo

    Facts & features

    Interior

    Bedrooms & bathrooms
    • Bedrooms: 5
    • Bathrooms: 6
    • Full bathrooms: 5
    • 1/2 bathrooms: 1
    Heating
    • Has Heating (Unspecified Type)
    Cooling
    • Has cooling: Yes
    Appliances
    • Included: Washer, Dryer
    Features
    • Has basement: No
    • Has fireplace: Yes
    Interior area
    • Total structure area: 4,129
    • Total interior livable area: 4,129 sqft

    Property

    Parking
    • Total spaces: 3
    • Parking features: Attached
    Features
    • Stories: 3
    Lot
    • Size: 0.30 Acres
    Details
    • Parcel number: 02909301

    Construction

    Type & style
    • Home type: SingleFamily
    Condition
    • Year built: 2021

    Community & neighborhood

    Location
    • Region: Mill Valley

    Price history

    DateEventPrice
    11/26/2025Listing removed$9,750,000$2,361/sqft
    Source: Engel & Volkers #325072653
    11/15/2025Listing removed$29,000$7/sqft
    Source: Zillow Rentals
    10/30/2025Price change$29,000-9.4%$7/sqft
    Source: Zillow Rentals
    10/9/2025Listed for rent$32,000$8/sqft
    Source: Zillow Rentals
    8/12/2025Listed for sale$9,750,000-4.9%$2,361/sqft
    Source: BAREIS #325072653

    Public tax history

    YearProperty taxesTax assessment
    2025-- $3,960,941 +2%
    2024$47,923 +1.7%$3,883,301 +2%
    2023$47,107 +6.1%$3,807,158 +2%

    Find assessor info on the county website

    Neighborhood: Blithedale Canyon

    Nearby schools

    GreatSchools rating
    Sell for more on Zillow
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    $9,118,300
    2% more+ $182K
    With Zillow Showcase(estimated)
    $9,300,666