$10,250,000
SOLD APR 4, 2025
4 Beds
3 Baths
3,865 Sq Ft
0.39 Acres

Recently Sold

$2,652 Per Sq Ft

3% Above List Price

Highlights

  • Guest House
  • Pool and Spa
  • Custom Home
  • Mill Valley Middle School Rated A
  • Solar Power Battery
  • Views of Mount Tamalpais

About This Home

As of April 2025

Welcome to this stunning resort-style retreat nestled on a sunny ridge in Mill Valley above downtown. Thoughtfully designed with an organic modern aesthetic by Dorman Associates - celebrated local architect of green luxury residences. This newly constructed one-of-a-kind estate seamlessly blends indoor and outdoor living showcasing luxurious finishes at every turn. With a focus on smart and sustainable living, the home integrates cutting-edge technology fire hardening and eco-friendly features, offering unparalleled convenience and energy efficiency without compromising on comfort or style. This home is a true sanctuary offering elegance, luxury and the best of Marin County living.

Last Agent to Sell the Property

Kathleen Beaver

Coldwell Banker Realty License #00958832 Listed on: 04/01/2025

Coldwell Banker Realty

Last Buyer's Agent

Aviva Kamler

Sotheby's International Realty License #02076186

Sotheby's International Realty

Home Details

Home Type

  • Single Family

Est. Annual Taxes

  • $40,368

Year Built

  • Built in 1951 | Remodeled

Lot Details

  • 0.39 Acre Lot
  • Back Yard Fenced
  • Landscaped
  • Artificial Turf
  • Private Lot
  • Sprinkler System
  • Low Maintenance Yard

Parking

  • 2 Car Attached Garage
  • Front Facing Garage
  • Auto Driveway Gate

Property Views

  • Mount Tamalpais
  • Hills

Home Design

  • Custom Home
  • Side-by-Side
  • Concrete Foundation
  • Stucco

Interior Spaces

  • 3,865 Sq Ft Home
  • 1-Story Property
  • Wet Bar
  • Beamed Ceilings
  • Cathedral Ceiling
  • Living Room with Fireplace
  • Living Room with Attached Deck
  • Dining Room with Fireplace
  • 2 Fireplaces
  • Home Office

Kitchen

  • <<doubleOvenToken>>
  • Built-In Electric Oven
  • Built-In Electric Range
  • Range Hood
  • Warming Drawer
  • <<microwave>>
  • Ice Maker
  • Dishwasher
  • Wine Refrigerator
  • Kitchen Island
  • Stone Countertops
  • Wine Rack
  • Disposal

Flooring

  • Wood
  • Radiant Floor
  • Tile

Bedrooms and Bathrooms

  • 4 Bedrooms
  • Walk-In Closet
  • Bathroom on Main Level
  • 3 Full Bathrooms
  • <<tubWithShowerToken>>

Laundry

  • Laundry Room
  • Dryer
  • Washer
  • 220 Volts In Laundry

Home Security

  • Security Gate
  • Carbon Monoxide Detectors
  • Fire and Smoke Detector

Eco-Friendly Details

  • Energy-Efficient Appliances
  • Energy-Efficient HVAC
  • Energy-Efficient Insulation
  • Solar Power Battery
  • Energy-Efficient Roof
  • Energy-Efficient Thermostat

Pool

  • Pool and Spa
  • Above Ground Pool
  • Saltwater Pool
  • Pool Cover
  • Pool Sweep

Outdoor Features

  • Covered Deck
  • Patio
  • Outdoor Kitchen
  • Fire Pit

Additional Homes

  • Guest House

Utilities

  • Central Heating and Cooling System
  • Heat Pump System
  • Radiant Heating System
  • 220 Volts in Kitchen
  • Tankless Water Heater
  • Cable TV Available

Listing and Financial Details

  • Assessor Parcel Number 028-162-08

Home Details

Home Type

Single Family

Est. Annual Taxes

$40,368

Year Built

Built in 1951 | Remodeled

Lot Details

0

Parking

2

Listing Details

  • Interior Amenities: Open Beam Ceiling, Wet Bar
  • Type: Residential
  • Property Sub Type: Single Family Residence
  • Subtype Description: Custom, Detached, Flat, Luxury
  • Directions To Property: Miller Avenue to Molino Avenue to Edgewood Avenue
  • Lot Size Acres: 0.3912
  • Stories: 1
  • Levels: One
  • ArchitecturalStyle: Modern/High Tech
  • Reso Window Features: Dual Pane Full, Window Coverings
  • Special Features: None

Interior Features

  • Appliances: Built-In Electric Oven, Built-In Electric Range, Dishwasher, Disposal, Double Oven, Hood Over Range, Ice Maker, Microwave, Tankless Water Heater, Warming Drawer, Wine Refrigerator
  • Number Of Fireplaces: 2
  • Bedrooms: 4
  • Full Bathrooms: 3
  • Dining Room Features: Space in Kitchen
  • Living Room Features: Cathedral/Vaulted, Deck Attached, View
  • Flooring: Tile, Wood
  • Square Footage: 3865.00
  • Bathroom Features: Tub w/Shower Over
  • Bathrooms: 3
  • Fireplace Features: Dining Room, Living Room, Other
  • Kitchen Features: Island, Stone Counter
  • Room Type: Dining Room, Kitchen, Laundry, Living Room, Primary Bathroom, Primary Bedroom, Office, Wine Storage Area
  • Main Level: Bedroom(s), Dining Room, Full Bath(s), Garage, Kitchen, Living Room, Primary Bedroom
  • PrimaryBedroomFeatures: Ground Floor, Outside Access, Walk-In Closet

Exterior Features

  • Construction Materials: Stucco, Wood
  • Foundation: Concrete Perimeter
  • Lot Features: Auto Sprinkler F&R, Grass Artificial, Landscape Back, Landscape Front, Low Maintenance, Private
  • Property Condition: Updated/Remodeled
  • ExteriorFeatures: Fire Pit, Kitchen
  • Fencing: Back Yard
  • OtherStructures: Guest House
  • Patio And Porch Features: Covered Deck, Uncovered Patio
  • Pool Features: Above Ground, Pool Cover, Pool Sweep, Pool/Spa Combo, Salt Water
  • View: Hills, Mt Tamalpais

Garage/Parking

  • Parking Features: Attached, Garage Facing Front, Side-by-Side
  • Total Parking Spaces: 8.00
  • Garage Spaces: 2.00
  • Driveway/Sidewalks: Gated

Utilities

  • Cooling: Central, Heat Pump, See Remarks
  • Electric: Battery Backup, 220 Volts in Kitchen, 220 Volts in Laundry
  • Security Features: Carbon Mon Detector, Security Gate, Smoke Detector
  • Sewer: Public Sewer
  • Utilities: Cable Available, Public
  • Water Source: Public
  • Heating: Central, Heat Pump, Radiant, Radiant Floor
  • Laundry Features: Dryer Included, Laundry Closet, Washer Included

Schools

  • School District: Marin
  • Middle/Junior School District: Mill Valley

Lot Info

  • Assessor Parcel Number: 028-162-08
  • Lot Size Sq Ft: 17041.00

Green Features

  • Energy Efficient: Appliances, Cooling, Heating, Insulation, Roof, Thermostat

Building Info

  • Year Built: 1951

Multi Family

  • Second Unit Bedrooms: 1
  • Second Unit Full Bathrooms: 1
  • Second Unit Kitchen: Yes
  • Second Unit Occupied: No
  • Second Unit Partial Bathrooms: 0
  • Second Unit Type: Detached

MLS Schools

  • Senior High School District: Tamalpais Union
  • School District (County): Marin

Ownership History

Date Name Owned For Owner Type

Purchase Details

Listed on
Apr 1, 2025
Closed on
Apr 2, 2025
Sold by
Cox Keith Mitchell and Foss Hilary Elizabeth
Bought by
Cox-Foss Family Trust and Hilary Elizabeth Foss Gst Exempt Trust
Seller's Agent
Kathleen Beaver
Coldwell Banker Realty
Buyer's Agent
Aviva Kamler
Sotheby's International Realty
List Price
$9,995,000
Sold Price
$10,250,000
Premium/Discount to List
$255,000
2.55%
Views
8
Current Estimated Value
$4,881,047

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Estimated Appreciation
-$5,368,953
Avg. Annual Appreciation
-97.48%

Purchase Details

Closed on
Sep 16, 2020
Sold by
Foss Hilary Elizabeth and Foss Hillary Elizabeth
Bought by
Cox Keith Mitchell and Foss Hilary Elizabeth

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$2,000,000
Interest Rate
2.9%
Mortgage Type
Commercial

Purchase Details

Listed on
Sep 16, 2019
Closed on
Dec 4, 2019
Sold by
Williams Kennen D and Williams Tammy Jo
Bought by
Foss Hillary Elizabeth and Foss Gts Exe Hillary Elizabeth
Seller's Agent
Marcus Robinson
Coldwell Banker Realty
Buyer's Agent
Kathleen Beaver
Coldwell Banker Realty
List Price
$2,400,000
Sold Price
$2,400,000

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Avg. Annual Appreciation
7.80%

Purchase Details

Closed on
Mar 14, 2019
Sold by
Williams Kennen D and Williams Tammy Jo
Bought by
Williams Kennen D and Williams Tammy Jo

Purchase Details

Closed on
Feb 20, 2009
Sold by
Williams Kennen D and Williams Tammy Jo
Bought by
Williams Kennen D and Williams Tammy Jo

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$493,000
Interest Rate
4.91%
Mortgage Type
New Conventional

Purchase Details

Closed on
Apr 21, 2003
Sold by
Williams Kennen D and Williams Tammy Jo
Bought by
Williams Kennen D and Williams Tammy Jo

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$550,000
Interest Rate
5.54%

Purchase Details

Closed on
Nov 28, 2001
Sold by
Williams Kennen D and Williams Tammy Jo
Bought by
Williams Kennen D and Williams Tammy Jo

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$550,000
Interest Rate
6.63%

Purchase Details

Closed on
Oct 26, 2001
Sold by
Williams Kennen D and Williams Tammy Jo
Bought by
Williams Kennen D and William Tammy Jo

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$550,000
Interest Rate
6.63%

Purchase Details

Closed on
Jun 26, 1998
Sold by
Williams Kennen D and Williams Tammy Jo
Bought by
Williams Kennen D and Williams Tammy Jo

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$475,000
Interest Rate
7%

Purchase Details

Closed on
Nov 8, 1996
Sold by
Williams Kennen D and Williams Tammy Jo
Bought by
Williams Kennen D and Williams Tammy Jo

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$372,000
Interest Rate
6.37%
Source: Public Records

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Range of Values:

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Home Values in the Area

Source: Public Records

Average Home Value in this Area





Source: Public Records

Purchase History

Date Type Sale Price Title Company
Grant Deed -- Wfg National Title
Interfamily Deed Transfer -- First American Title Company
Grant Deed $2,400,000 First American Title Company
Interfamily Deed Transfer -- None Available
Interfamily Deed Transfer -- Old Republic Title Company
Interfamily Deed Transfer -- Old Republic Title Company
Interfamily Deed Transfer -- --
Interfamily Deed Transfer -- Fidelity National Title Co
Interfamily Deed Transfer -- Old Republic Title Company
Interfamily Deed Transfer -- Old Republic Title Company
Interfamily Deed Transfer -- Pacific Coast Title Company
Interfamily Deed Transfer -- Pacific Coast Title Company
Interfamily Deed Transfer -- California Land Title Co
Grant Deed $501,363 California Land Title Co
Source: Public Records

Mortgage History

Date Status Loan Amount Loan Type
Previous Owner $2,000,000 Commercial
Previous Owner $450,100 New Conventional
Previous Owner $471,000 New Conventional
Previous Owner $493,000 New Conventional
Previous Owner $550,000 No Value Available
Previous Owner $550,000 No Value Available
Previous Owner $475,000 No Value Available
Previous Owner $372,000 No Value Available
Source: Public Records

Property History

Date Event Price Change Sq Ft Price
04/04/2025 04/04/25 Sold $10,250,000 +2.6% $2,652 / Sq Ft
04/01/2025 04/01/25 Pending -- -- --
04/01/2025 04/01/25 For Sale $9,995,000 +316.5% $2,586 / Sq Ft
12/06/2019 12/06/19 Sold $2,400,000 0.0% $773 / Sq Ft
11/26/2019 11/26/19 Pending -- -- --
09/16/2019 09/16/19 For Sale $2,400,000 -- $773 / Sq Ft
Source: Bay Area Real Estate Information Services (BAREIS)

Tax History Compared to Growth

Source: Public Records

Tax History

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 $40,368 $5,149,211 $1,585,763 $3,563,448
2024 $40,368 $3,273,255 $1,554,675 $1,718,580
2023 $38,333 $3,097,807 $1,524,196 $1,573,611
2022 $33,910 $2,773,344 $1,494,312 $1,279,032
2021 $29,987 $2,424,864 $1,465,022 $959,842
2020 $30,429 $2,400,000 $1,450,000 $950,000
2019 $12,970 $829,526 $271,748 $557,778
2018 $12,842 $813,264 $266,421 $546,843
2017 $11,890 $797,320 $261,198 $536,122
2016 $11,150 $781,690 $256,077 $525,613
2015 $12,444 $769,950 $252,232 $517,718
2014 $11,245 $754,871 $247,292 $507,579
Source: Public Records

Agents Affiliated with this Home

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Map

Source: Bay Area Real Estate Information Services (BAREIS)

MLS Number: 325011413

Bay Area Real Estate Information Services (BAREIS)

APN: 028-162-08