For Sale35d on market
2 Upper Alcatraz Place
Mill Valley, CA, 94941 • Blithedale Canyon • Marin County
$9,750,000
$2289/sqft
Down payment assistance available
5Beds
6Baths
4,260Sqft
0.3 acLot
2021Built
Property DNA
1 Fireplace
Other
2-Car Garage
Attached
This home is getting attention
Listed 35 days ago · 4,543 views · 127 saves
Market activity
Demand and pricing signals for this listing
4,543 views
People checking out this listing
127 saves
Buyers have saved this home
35 days on market
Established listing
$2,289/sqft
Price per square foot
About this home
Single Family · Built 2021
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.
Standout features identified
Our analysis highlights full kitchen, stunning architecture, and penthouse-level primary suite as key attractions of this home.
Estimated monthly payment
Based on current rates
$61,555/month
Principal & Interest$48,555
Property Tax$9,750
Insurance$3,250
Down payment20% ($1,950,000)
3%50%
Est. 6.35% rate · 30yr fixed · $7,800,000 loan
Full calculator →At a glance
Key facts and listing details
TypeSingle Family Residence
Year Built2021
HeatingCentral
CoolingCentral Air
Parking2 Attached Garage spaces
Lot0.30 Acres
Days on Zillow35 Days
Price/sqft$2,289
Property
Home typeSingle Family
Sub-typeSingle Family Residence
Year built2021
Stories3
Systems
HeatingCentral
CoolingCentral Air
Water / SewerPublic / Public Sewer
Parking & Outdoor
ParkingAttached
Garage2 spaces
Fireplaces1
Lot0.30 Acres
Location & Tax
NeighborhoodBlithedale Canyon
Annual tax$49,760
Parcel02909301
Bathrooms & Fees
Full baths5
Features & details
6 categories of property features
Interior Features
Appliances
Washer/Dryer Stacked
Heating
Central
Cooling
Central Air
Fireplace
Other
Exterior Features
Parking
Attached
Lot Features
Dead End
Grass Artificial
Private
Room details
6 rooms detailed
Master Bedroom
UpperBathroom
MainDining Room
MainFamily Room
MainKitchen
MainLiving Room
MainListing insights
Market data and value estimates
StatusFor Sale
Days on market35
Est. value$9,360,000
Est. rent$9,753/mo
Tax rate1.13%
Price/sqft$2289
On marketMar 2, 2026
PostedMar 3, 2026
Last sold$1,954,000
MLS statusActive
MLS updatedMar 12, 2026
Tour days9
Views4,543
Favorites127
How are the schools in Mill Valley?
3 schools rated nearby
Location
Mill Valley, CA, 94941
Price history
11 events
DateEventPrice$/sqftSource
Mar 3, 2026Listed For Sale$9,750,000$2,289BAREIS
Nov 26, 2025Listing Removed$9,750,000$2,289Engel & Volkers
Nov 15, 2025Listing Removed$29,000$7Zillow Rentals
Oct 30, 2025Price Change$29,000$7Zillow Rentals
Oct 9, 2025Listed For Rent$32,000$8Zillow Rentals
Aug 12, 2025Listed For Sale$9,750,000$2,289BAREIS
Jul 4, 2025Listing Removed$10,250,000$2,406Engel & Volkers
May 13, 2025Listed For Sale$10,250,000$2,406BAREIS
Mar 17, 2017Sold$1,954,000$459Public Record
Feb 3, 2017Pending Sale$2,000,000$469Paragon Real Estate Group
Jan 24, 2017Listed For Sale$2,000,000$469Paragon Real Estate Group
Listed For Sale$9,750,000
Mar 3, 2026•$2,289/sqft•BAREIS
Listing Removed$9,750,000
Nov 26, 2025•$2,289/sqft•Engel & Volkers
Listing Removed$29,000
Nov 15, 2025•$7/sqft•Zillow Rentals
Price Change$29,000
Oct 30, 2025•$7/sqft•Zillow Rentals
Listed For Rent$32,000
Oct 9, 2025•$8/sqft•Zillow Rentals
Listed For Sale$9,750,000
Aug 12, 2025•$2,289/sqft•BAREIS
Listing Removed$10,250,000
Jul 4, 2025•$2,406/sqft•Engel & Volkers
Listed For Sale$10,250,000
May 13, 2025•$2,406/sqft•BAREIS
Sold$1,954,000
Mar 17, 2017•$459/sqft•Public Record
Pending Sale$2,000,000
Feb 3, 2017•$469/sqft•Paragon Real Estate Group
Listed For Sale$2,000,000
Jan 24, 2017•$469/sqft•Paragon Real Estate Group
Tax history
25 years of records
YearTax paidAssessed value
Apr 7, 2025$49,760$3,960,941
Apr 7, 2024$47,923$3,883,301
Apr 7, 2023$47,107$3,807,158
Apr 7, 2022$44,385$3,732,510
Apr 7, 2021$16,857$1,232,857
Apr 7, 2020$16,693$1,220,221
Apr 7, 2019$15,759$1,196,304
Apr 7, 2018$26,925$1,988,848
Apr 7, 2017$5,414$190,093
Apr 7, 2016$2,878$186,366
Apr 7, 2015$3,411$183,567
Apr 7, 2014$3,121$179,971
Apr 7, 2013—$179,158
Apr 7, 2012—$175,647
Apr 7, 2011—$172,203
Apr 7, 2010—$170,917
Apr 7, 2009—$171,324
Apr 7, 2008—$167,965
Apr 7, 2007—$164,671
Apr 7, 2006—$161,443
Apr 7, 2005—$158,278
Apr 7, 2004—$155,175
Apr 7, 2003—$152,333
Apr 7, 2002—$149,346
Apr 7, 2001—$146,419
Nearby homes
Neighborhood details
Local context around this listing
Mill Valley, CA • Marin County
Nearby neighborhoods
AlmonteBayfront/Enchanted Knolls/Shelter RidgeBlithedale CanyonCascade CanyonHomestead ValleyMiller/MolinoScott ValleyStrawberryTamalpais ValleyWarner Canyon/Kite Hill
Nearby cities
Corte MaderaFairfaxKentfieldMill ValleyNovatoPetalumaSan AnselmoSan Rafael
Nearby zip codes
94941949429496594970
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