140 Walnut Ave, Mill Valley, CA 94941
OFF MARKET

$8,708,600

Trulia Estimate
  • 5 Beds
  • 4 Baths
  • 3,500 sqft

140 Walnut Ave, Mill Valley, CA 94941

Sycamore/Tamalpais Park
Est. Refi. Payment $52,174/mo*
Refinance Your Home
Currently Off Market - Sold Apr 14, 2023 for $8,207,000

Home Value

Trulia Estimate
$8.71M
Since last month
Increased$151K (+1.8%)
Since last year
Increased$585K (+7.2%)
Since last sale
Increased$485K (+5.9%)
Learn more about this home's value by checking out its Trulia Estimate, the value of nearby homes, and how much similar homes have sold for.

Trulia Estimate

The of this home's value increased by +92% in the last 10 years
MonthEstimated value
2026
August 2026$8.69M
July 2026$8.54M
June 2026$8.74M
May 2026$8.66M
April 2026$8.71M
March 2026$8.54M
February 2026$8.44M
January 2026$8.14M
2025
2024
2023
2022
2021
2020
2019
2018
2017
2016

Comparable sales

These are recently sold homes that have a similar location or other similar features to this home, like bedrooms, bathrooms, and square footage. Get a sense of the expected prices in the area by viewing these homes.
Address
Distance
Property Type
Sold Price
Sold Date
Bed
Bath
Sqft
124 Sycamore Avenue, Mill Valley, CA
0.11
Single-Family Home
$8,500,000
05/04/26
6
5.5
3,720
116 La Goma Street, Mill Valley, CA
0.12
Single-Family Home
$3,525,000
05/22/26
4
2.5
2,753
469 Molino Avenue, Mill Valley, CA
0.20
Single-Family Home
$9,000,000
04/01/26
6
5.5
4,480
90 Walnut Avenue, Mill Valley, CA
0.12
Single-Family Home
$5,850,000
05/22/26
3
3
2,292
40 Juanita Ave, Mill Valley, CA
0.26
Single-Family Home
$5,400,000
04/28/26
4
3
3,778
151 Elm Ave, Mill Valley, CA
0.20
Single-Family Home
$7,500,000
06/05/26
4
3.5
3,000
35 Sycamore Ave, Mill Valley, CA
0.31
Single-Family Home
$5,625,000
02/13/26
4
4
3,716
56 Locust Avenue, Mill Valley, CA
0.06
Single-Family Home
$4,200,000
11/05/25
3
3
2,298
10 Avon Ave, Mill Valley, CA
0.31
Single-Family Home
$3,000,000
03/05/26
4
3.5
2,210
15 E Manor Dr, Mill Valley, CA
0.32
Single-Family Home
$4,450,000
04/23/26
4
4
2,847

Nearby home prices

Get a sense of expected prices in the area by checking the value of nearby homes.
Address
Distance
Price
Bed
Bath
Sqft
Status
128 Walnut Avenue, Mill Valley, CA 94941
0.02
$2,030,800
2
2
1,035
Off Market
151 Sycamore Avenue, Mill Valley, CA 94941
0.04
$4,856,300
4
3.5
2,785
Off Market
29 Locust Ave, Mill Valley, CA 94941
0.05
$1,790,000
3
2
1,177
Off Market
89 Locust Ave, Mill Valley, CA 94941
0.06
$3,007,300
3
2
1,571
Off Market
15 Fern Avenue, Mill Valley, CA 94941
0.10
$2,165,100
3
2
1,498
Off Market
56 Locust Avenue, Mill Valley, CA 94941
0.06
$4,200,000
3
3
2,298
Recently Sold
124 Sycamore Avenue, Mill Valley, CA 94941
0.11
$8,500,000
6
5.5
3,720
Recently Sold
92 Locust Avenue, Mill Valley, CA 94941
0.09
$6,566,600
4
3.5
2,946
Off Market
90 Walnut Avenue, Mill Valley, CA 94941
0.12
$5,850,000
3
3
2,292
Recently Sold
341 Miller Avenue, Mill Valley, CA 94941
0.10
$1,368,100
2
1
1,211
Off Market
107 La Goma Street, Mill Valley, CA 94941
0.09
$2,500,000
4
2
1,886
Recently Sold
82 Walnut Avenue, Mill Valley, CA 94941
0.13
$6,142,300
4
4.5
3,265
Off Market

Local Information

  • Map ViewExplore the area around 140 Walnut Ave.
  • Schools5 Elementary Schools1 Middle School1 High School
  • Shop & Eat
-- mins to
Commute Destination

Home Highlights

Property Type
Single-Family Home
Year Built
2016
Living Area
3,500 sqft
Price/Sqft
$2,488
Parking
Garage

About this House

Situated on one of the largest lots in Sycamore park, widely considered Mill Valley's premier neighborhood the latest KCS Estates iconic luxury home is a modern take on tradition. This custom built ~3,500 square foot (per architect), 5 bedroom, 4.5 bath home embodies the aesthetic of Modern Traditional design, seamlessly blending the elegance of a traditional home w/ clean lines, open floor plan & stylish finishes. A gracious covered front porch provides a casual outdoor sitting area perfect for catching up with family or neighbors. The elegant great room features a fully equipped chef's kitchen, complete with adjoining pantry/mudroom, open dining area and spacious living space with dual sided custom paneled, honed Statuarietto marble fireplace. The sumptuous master suite features his and hers closets, a spa like bathroom, private office and generous bedroom with sliding doors leading to the private deck with built in spa. The main level also includes an additional guest suite and second living area, complete with kitchen and separate exterior entrance. This flexible space is ideal for long-term guests or an au pair.Upstairs is a junior master with en-suite bath and walk in closet, two additional bedrooms share a bath, along with a separate cozy lounge area and conveniently located laundry room. From the stately front porch to the dual sided fireplace with its outdoor sitting area, this home has been crafted and designed to make full use of the expansive level lot, creating the perfect backdrop for today's active family. French doors beautifully flank the great room fireplace and lead to the trellis-covered loggia with its cozy seating area before spilling onto the flat, sunny lawn. Anchoring the yard a poured in place patio offers ample seating around the fire pit, providing the ideal place to spend a summer evening with friends and family. No detail was spared in the creation of this stunning home. The open, well thought out, floor plan is designed to meet a family's needs through every stage. Traditional and modern design elements fuse seamlessly to create an aesthetic that refuses to be trendy or become outdated. It is the Modern Traditional.
140 Walnut Ave, Mill Valley, CA 94941 is a 5 bedroom, 4 bathroom, 3,500 sqft single-family home in Sycamore/Tamalpais Park, built in 2016. It last sold for $8,207,000 on Apr 14, 2023. More recently, it was listed as a rental in September 2020 with an asking price of $20,000 per month. That rental listing was removed on February 24, 2021. This property is not currently displayed as for sale or rent on Trulia. The Trulia Estimate is $8,708,600, with a rent estimate of $7,858/month.

Home Details for 140 Walnut Ave

Interior Features

Interior Details
BasementIn-law unitTypes of Rooms: Dining Room, Laundry Room, Master Bath, Office, Pantry
Heating & Cooling
Heating: Forced Air, GasHeating Fuel: Forced Air
Levels, Entrance, & Accessibility
Stories: 2Floors: Carpet, Hardwood
Appliances & Utilities
Dishwasher
Fireplace & Spa
FireplaceHot Tub or Spa

Exterior Features

Exterior Home Features
Roof: CompositionDeckExterior: WoodGardenLawnPatioPorch
Parking & Garage
GarageParking Spaces: 2Parking: Garage Detached

Property Information

Year Built
Year Built: 2016Year Updated: 2016
Property Type / Style
Property Type: Single Family HomeArchitecture: Contemporary

Rental Terms, Policies & Fees

Furnished

Lot Information

Lot Area: 10010 sqft

Price and Tax history

DateEventPrice
Apr 14, 2023
Source: N/A
Sold
$8,207,000
Feb 24, 2021
Source: N/A
ListingRemoved
Sep 16, 2020
Source: N/A
ListingRemoved
$20,000
Sep 11, 2020
Source: N/A
Listed For Rent
$20,000
Dec 28, 2017
Source: N/A
Sold
$4,575,000

Market trends in Mill Valley

Last updated July 2026
Buyer'sMarketSeller'sMarket
Avg. sale price
$2.48M
$73.33KMoM
Sale-to-List Price
108.3%
Price per sq ft
$1.14K
$54MoM
Available listings
40
14MoM

Around this home

View nearby schools on GreatSchools
The GreatSchools Rating compares schools on a variety of school quality indicators including test scores, college readiness, equity and more. Learn more.

Neighborhood Overview

Neighborhood stats provided by third party data sources.

What Locals Say about Sycamore/Tamalpais Park

At least 15 Trulia users voted on each feature.

  • 100 % Say parking is easy

  • 100 % Say it's dog friendly

  • 96 % Say it's walkable to restaurants

  • 95 % Say there's wildlife

  • 95 % Say it's walkable to grocery stores

  • 94 % Say there are sidewalks

  • 88 % Say people would walk alone at night

  • 87 % Say kids play outside

  • 85 % Say car is needed

  • 78 % Say there's holiday spirit

  • 74 % Say yards are well-kept

  • 71 % Say they plan to stay for at least 5 years

  • 71 % Say neighbors are friendly

  • 58 % Say it's quiet

  • 48 % Say there are community events

  • 39 % Say streets are well-lit

Sourced by Trulia users. Learn more about our methodology.
  • G2m74vt2m2
    "Safe streets and the city workers are so good at keeping parks ,streets and the community center spotless. "
    0
    Flag
  • Em J. H.
    "Plenty of dog owners and parks and access to the bike path and dog park and hiking. Ssssssssssssssssss"
    2
    Flag
  • Esherpadotnet t.
    "Love this neighborhood! People are friendly, it's very quiet, very easy access to trails, and a super convenient location for commuting into the city. If only real estate prices would be more reasonable..."
    0
    Flag
  • dan m.
    "Love it here. We moved into the neighborhood a few months ago. Why am I still on Trulia? Doing some market research for work. I would say this is a fantastic family-oriented location. Unfortunately, inventory is super tight. Good luck in your search!"
    0
    Flag

LGBTQ Local Legal Protections

Frequently asked questions about 140 Walnut Ave

  • What is 140 Walnut Ave estimated to be worth?
    Trulia's estimated value for 140 Walnut Ave in Mill Valley, CA is $8,708,600.
  • What is the price history for 140 Walnut Ave?
    140 Walnut Ave in Mill Valley, CA last sold for $8,207,000 in April 2023.
  • Is Mill Valley a buyer's or seller's market?
    Mill Valley is currently a seller's market, based on recent for-sale activity.
  • What's the median sale price in Mill Valley?
    The median sale price in Mill Valley is $2.48M. That is up $73.33K from the prior month.
  • Does 140 Walnut Ave have laundry facilities?
    Yes, 140 Walnut Ave in Mill Valley, CA has laundry facilities.
  • How big is the lot at 140 Walnut Ave?
    The lot at 140 Walnut Ave in Mill Valley, CA is about 0.23 acres (10,010 sq ft).

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Off Market Homes Near 140 Walnut Ave

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