NOT LISTED FOR SALE

Estimated Value: $5,766,000 - $6,629,000

6 Beds
8 Baths
5,925 Sq Ft
$1,045/Sq Ft Est. Value

Sale Details

Date Sold: December 12, 2025

Last sale price $5,825,000 $983 Per Sq Ft

Est. 6% increase in value since last sale

Current estimated payment $40,001 / mo

176 Days on Market

Highlights

  • Guest House
  • Second Garage
  • 2 Fireplaces
  • Mill Valley Middle School Rated A
  • 0.48 Acre Lot
  • 4 Car Detached Garage

About This Home

As of December 2025

Where Timeless Character Meets Modern Comfort. Tucked away on nearly half an acre behind a fully gated entrance, this private and beautifully updated estate offers the perfect blend of classic charm and modern design. Set back from the street in a serene, sunlit setting surrounded by lush landscaping and vibrant gardens, the property captures the best of Mill Valley living. The main residence features an open, flowing gathering wing ideal for entertaining or relaxed everyday living. Thoughtful updates complement the home's original character, creating a warm and welcoming atmosphere. Both the formal dining and breakfast rooms provide inviting spaces for everything from casual mornings to elegant evenings. A legal detached cottage offers two delightful, light-filled units with excellent separation of space, perfect for guests, income opportunities, or a dedicated home office. The home also includes dual 2-car garages and is ideally located just moments from beloved restaurants, gourmet groceries, and boutique shopping. This is a rare opportunity to enjoy timeless architecture, today's finishes, and peaceful privacyall in the heart of Mill Valley.

Last Agent to Sell the Property

Lotte & Sarah Toftdahl Kowalczyk

Compass License #DRE #01744042 Listed on: 05/19/2025

Compass

Last Buyer's Agent

Gabriel Goldthwaite

Compass License #02154086

Compass

Range of Values:

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Value Increase
--
Percent Increase
--
Adjusted for Inflation
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Average Value
Not Available
List Price
Sold Price
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Home Details

Home Type

  • Single Family

Year Built

  • Built in 1898 | Remodeled

Lot Details

  • 20,804 Sq Ft Lot
  • Landscaped

Parking

  • 4 Car Detached Garage
  • 2 Open Parking Spaces
  • Second Garage

Interior Spaces

  • 5,925 Sq Ft Home
  • 2-Story Property
  • 2 Fireplaces
  • Gas Log Fireplace
  • Living Room
  • Dining Room

Bedrooms and Bathrooms

  • 6 Bedrooms

Laundry

  • Dryer
  • Washer

Home Security

  • Carbon Monoxide Detectors
  • Fire and Smoke Detector

Additional Homes

  • Guest House

Utilities

  • No Cooling
  • Central Heating
  • Heating System Uses Gas
  • Internet Available
  • Cable TV Available

Listing and Financial Details

  • Assessor Parcel Number 028-203-01

Home Details

Home Type

Single Family

Year Built

Built in 1898 | Remodeled

Lot Details

0.48 Acres

Parking

4

Listing Details

  • Type: Residential
  • Property Sub Type: Single Family Residence
  • Subtype Description: Detached
  • Directions To Property: West on Miller Ave, left on Molino.
  • Lot Size Acres: 0.4776
  • Stories: 2
  • Levels: Three Or More
  • Special Features: None

Interior Features

  • Number Of Fireplaces: 2
  • Bedrooms: 6
  • Half Bathrooms: 2
  • Full Bathrooms: 6
  • Square Footage: 5925.00
  • Bathrooms: 8
  • Fireplace Features: Gas Log
  • Room Type: Primary Bathroom, Primary Bedroom
  • Main Level: Dining Room, Kitchen, Living Room

Exterior Features

  • Lot Features: Landscape Front
  • Property Condition: Updated/Remodeled
  • OtherStructures: Guest House, Second Garage

Garage/Parking

  • Parking Features: Detached
  • Total Parking Spaces: 6.00
  • Garage Spaces: 4.00
  • OpenParkingSpaces: 2.00

Utilities

  • Cooling: None
  • Security Features: Carbon Mon Detector, Smoke Detector
  • Sewer: Public Sewer
  • Utilities: Cable Available, Cable Connected, Internet Available, Natural Gas Available, Public
  • Water Source: Public
  • Heating: Central, Gas
  • Laundry Features: Dryer Included, Washer Included

Schools

  • Middle/Junior School District: Tamalpais Union

Lot Info

  • Assessor Parcel Number: 028-203-01
  • Lot Size Sq Ft: 20804.00

Building Info

  • Year Built: 1898

Multi Family

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

MLS Schools

  • Senior High School District: Mill Valley
  • School District (County): Marin

Ownership 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 Name Owned For Owner Type

Purchase Details

Listed on
May 19, 2025
Closed on
Nov 17, 2025
Sold by
Knickerbocker Aron Marc and Aron M Knickerbocker Trust
Bought by
Seller's Agent
Lotte & Sarah Toftdahl Kowalczyk
Compass
Buyer's Agent
Gabriel Goldthwaite
Compass
List Price
$6,595,000
Sold Price
$5,825,000
Premium/Discount to List
-$770,000
-11.68%
Views
14
Current Estimated Value
$6,189,804

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Estimated Appreciation
$364,804
Avg. Annual Appreciation
8.68%
Original Mortgage
$4,368,750
Outstanding Balance
$4,337,674
Interest Rate
5.13%
Mortgage Type
New Conventional
Estimated Equity
$1,852,130

Purchase Details

Closed on
Apr 20, 2021
Sold by
Donnelly Christopher James and Donnelly Linsly Marguerite
Bought by
Knickerbocker Aron Marc and Aron N Knickerbocker Revocable

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$493,750
Interest Rate
2.25%
Mortgage Type
New Conventional

Purchase Details

Closed on
Jan 23, 2020
Sold by
Aec Eat Llc
Bought by
Donnelly Christopher James and Donnelly Linsly Marguerite

Purchase Details

Closed on
Aug 15, 2019
Sold by
Hovis Barry D and Hovis Kris S
Bought by
Aec Eat Llc

Purchase Details

Closed on
Apr 19, 2004
Sold by
Hovis Barry D and Hovis Kris S
Bought by
Hovis Barry D and Hovis Kris S
Source: Public Records

Home Values in the Area

Source: Public Records

Average Home Value in this Area





Source: Public Records

Agents Specializing in Mill Valley Heights, CA

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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 Buyer Sale Price Title Company
$5,825,000 Old Republic Title
Knickerbocker Aron Marc $5,375,000 First American Title Company
Donnelly Christopher James $3,550,000 Fidelity National Title Co
Aec Eat Llc $3,200,000 Fidelity National Title Co
Hovis Barry D -- --
Hovis Barry D -- --
Source: Public Records

Mortgage 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 Status Borrower Loan Amount
Open $4,368,750
Closed Knickerbocker Aron Marc $493,750
Previous Owner Hovis Barry D $255,000
Previous Owner Hovis Barry D $255,428
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
12/12/2025 12/12/25 Sold $5,825,000 -2.8% $983 / Sq Ft
11/11/2025 11/11/25 Pending -- -- --
10/30/2025 10/30/25 Price Changed $5,995,000 -9.1% $1,012 / Sq Ft
10/30/2025 10/30/25 For Sale $6,595,000 +13.2% $1,113 / Sq Ft
07/16/2025 07/16/25 Off Market $5,825,000 -- --
05/19/2025 05/19/25 For Sale $6,595,000 -- $1,113 / Sq Ft
Source: Bay Area Real Estate Information Services (BAREIS)

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
2026 $70,189 $5,823,000 $3,500,000 $2,323,000
2025 $70,189 $5,818,007 $3,490,804 $2,327,203
2024 $68,685 $5,703,950 $3,422,370 $2,281,580
2023 $67,625 $5,592,150 $3,355,290 $2,236,860
2022 $65,725 $5,482,500 $3,289,500 $2,193,000
2021 $55,392 $3,721,778 $2,273,310 $1,448,468
2020 $45,161 $3,260,000 $2,080,000 $1,180,000
2019 $13,797 $967,947 $306,118 $661,829
2018 $15,306 $948,972 $300,117 $648,855
2017 $14,826 $930,367 $294,233 $636,134
2016 $12,994 $912,129 $288,465 $623,664
2015 $14,354 $898,428 $284,132 $614,296
2014 $13,261 $880,831 $278,567 $602,264
Source: Public Records

Agents Affiliated with this Home

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Map

Source: Bay Area Real Estate Information Services (BAREIS)

MLS Number: 325040052

Bay Area Real Estate Information Services (BAREIS)

APN: 028-203-01

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