$8,995,000
$755K PRICE DROP

2 Upper Alcatraz Place Mill Valley, CA 94941

Blithedale Canyon Neighborhood

Estimated payment $52,873/month

Total Views 27,009
5 Beds
5.5 Baths
4,260 Sq Ft
$2,112 Price per Sq Ft

Highlights

  • Solar Power System
  • Private Lot
  • 2 Car Attached Garage
  • Mill Valley Middle School Rated A
  • 1 Fireplace
  • Central Heating

About This Home

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.

Listing Agent

Lisa Smith

Serhant California, Inc. License #DRE #01927676 Listed on: 03/02/2026

Serhant California, Inc.

Co-Listing Agent

Joshua Deitch

Coldwell Banker Realty License #01902477

Home Details

Home Type

  • Single Family

Year Built

  • Built in 2021

Lot Details

  • 12,998 Sq Ft Lot
  • Street terminates at a dead end
  • Artificial Turf
  • Private Lot

Parking

  • 2 Car Attached Garage

Interior Spaces

  • 3-Story Property
  • 1 Fireplace
  • Stacked Washer and Dryer

Bedrooms and Bathrooms

  • 5 Bedrooms

Additional Features

  • Solar Power System
  • Central Heating

Home Details

Home Type

Single Family

Year Built

Built in 2021

Lot Details

0.3 Acres

Parking

2

Listing Details

  • Type: Residential
  • Lot Size Acres: 0.2984
  • Stories: 3
  • Property Sub Type: Single Family Residence
  • Co List Office Mls Id: ACLBA02
  • Co List Office Mls Id: 7B3214
  • Directions: Throckmorton, Rt Old Mill, Lft Lovell, Rt Summit, Rt Upper Alcatraz
  • Power Production Type: Photovoltaics
  • Special Features: None

Interior Features

  • Basement: None
  • Fireplace Features: Other
  • Full Bathrooms: 5
  • Total Bedrooms: 5
  • Fireplaces: 1

Exterior Features

  • Lot Features: Dead End, Grass Artificial, Private

Garage/Parking

  • Parking Features: Attached
  • Garage Spaces: 2

Utilities

  • Cooling: Central Air
  • Sewer: Public Sewer
  • Water Source: Public
  • Heating: Central
  • Laundry Features: Washer/Dryer Stacked Included

Lot Info

  • Lot Size Sq Ft: 12998
  • Land Lease: No

Building Info

  • Year Built: 2021

Multi Family

Map

Range of Values:

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Value Increase
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Percent Increase
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Adjusted for Inflation
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Home Values in the Area

Source: Public Records

Average Home Value in this Area

Source: Public Records

Tax History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Year Tax Paid Tax Assessment Tax Assessment Total Assessment is a certain percentage of the fair market value that is determined by local assessors to be the total taxable value of land and additions on the property. Land Improvement
2025 $49,760 $3,960,941 $1,314,218 $2,646,723
2024 $47,923 $3,883,301 $1,288,456 $2,594,845
2023 $47,107 $3,807,158 $1,263,192 $2,543,966
2022 $44,385 $3,732,510 $1,238,426 $2,494,084
2021 $16,857 $1,232,857 $1,214,147 $18,710
2020 $16,693 $1,220,221 $1,201,702 $18,519
2019 $15,759 $1,196,304 $1,178,148 $18,156
2018 $26,925 $1,988,848 $1,155,048 $833,800
2017 $5,414 $190,093 $74,450 $115,643
2016 $2,878 $186,366 $72,990 $113,376
2015 $3,411 $183,567 $71,894 $111,673
2014 $3,121 $179,971 $70,485 $109,486
Source: Public Records

Property History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Date Event Price List to Sale Price per Sq Ft
06/02/2026 06/02/26 For Sale $8,995,000 0.0% $2,112 / Sq Ft
06/02/2026 06/02/26 Off Market $8,995,000 -- --
04/24/2026 04/24/26 Price Changed $8,995,000 -7.7% $2,112 / Sq Ft
03/02/2026 03/02/26 For Sale $9,750,000 -- $2,289 / Sq Ft
Source: Bay Area Real Estate Information Services (BAREIS)

Purchase History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Date Type Sale Price Title Company
Deed $1,954,000 Old Republic Title Co
Source: Public Records

Source: Bay Area Real Estate Information Services (BAREIS)

MLS Number: 326016540

Bay Area Real Estate Information Services (BAREIS)

APN: 029-093-01

California Marin County Mill Valley 94941 Blithedale Canyon

2 Upper Alcatraz Place, Mill Valley, CA

Disclaimer: Certain information contained herein is derived from information provided by parties other than Homes.com. All information provided is deemed reliable, but is not guaranteed to be accurate and should be independently verified.

Bay Area Real Estate Information Services (BAREIS) Listing information deemed reliable but not guaranteed. Copyright 2026 Bay Area Real Estate Information Services, Inc. All Right Reserved.

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Serhant California, Inc.
(415) 446-1268
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