431 Wellesley Avenue, Mill Valley, CA 94941
OFF MARKET

431 Wellesley Avenue
Mill Valley, CA 94941

Tamalpais Valley
  • 6 Beds
  • 5.5 Baths
  • 3,674 sqft (on 0.57 acres)

$4,285,800

Trulia Estimate
as of Jul 23, 2026
Est. Refi. Payment $25,468/mo*
Refinance Your Home

$4,285,800

Trulia Estimate
as of Jul 23, 2026
Est. Refi. Payment $25,468/mo*
Refinance Your Home
6 Beds
5.5 Baths
3,674 sqft
(on 0.57 acres)

Local Information

  • Map ViewExplore the area around 431 Wellesley Avenue.
  • Schools5 Elementary Schools1 Middle School1 High School
  • Shop & Eat
-- mins to
Commute Destination

Home Highlights

Property Type
Single-Family Home
Year Built
1983
Lot Size
0.57 acres
Living Area
3,674 sqft
Price/Sqft
$1,167
Parking
2 Car Garage
HOA
None

Description

Prime location with breathtaking views of the Golden Gate National Recreation Area and Mt. Tamalpais, this one-of-a-kind, custom-built family home has been thoughtfully remodeled and expanded with high-end finishes throughout. Featuring 6 beds and 4.5 baths including 4 beds and 2 baths on upper level, guest suite on main level and a separate au pair quarters with private entrance below. High ceilings, beautiful hardwood floors, large view living room, dining room with doors leading to view deck. Chef's kitchen with breakfast nook and counter, opens to the family room with gas fireplace and French doors leading to the wrap around deck, patio and landscaped garden below. Attached 2 car garage with additional 4 car driveway parking. Plenty of storage. Solar panels and 240V for electric car charger. Situated on over half an acre of fully landscaped grounds with a level lawn, wraparound decks and patio, this home offers the perfect blend of elegance and functionality, all in an excellent commute location! This is a meticulously cared for and special home!
431 Wellesley Avenue, Mill Valley, CA 94941 is a 6 bedroom, 5 bathroom, 3,674 sqft single-family home in Tamalpais Valley, built in 1983. It last sold for $4,000,000 on Apr 8, 2025 (8% above the $3,695,000 asking price). It is currently off market. The Trulia Estimate is $4,285,800, with a rent estimate of $8,618/month.
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Property Website

Home Details for 431 Wellesley Avenue

Active Status

MLS Status: Closed

Interior Features

Interior Details
Number of Rooms: 8Types of Rooms: Master Bedroom, Bedroom, Master Bathroom, Bathroom, Dining Room, Family Room, Kitchen, Living Room
Beds & Baths
Number of Bedrooms: 6Number of Bathrooms: 5Number of Bathrooms (full): 4Number of Bathrooms (half): 1Number of Bathrooms (partial): 1
Dimensions and Layout
Living Area: 3674 Square Feet
Appliances & Utilities
Utilities: PublicAppliances: Built-In Refrigerator, Disposal, Dryer, WasherDisposalDryerLaundry: Cabinets,Inside RoomWasher
Heating & Cooling
Heating: Central,Fireplace InsertHas CoolingAir Conditioning: OtherHas HeatingHeating Fuel: Central
Fireplace & Spa
Number of Fireplaces: 2Fireplace: Family Room, Gas Piped, Living RoomHas a Fireplace
Windows, Doors, Floors & Walls
Window: Dual Pane FullFlooring: Carpet, Wood
Levels, Entrance, & Accessibility
Stories: 2Floors: Carpet, Wood
View
Has a ViewView: Mt Tamalpais, Ridge, Valley

Exterior Features

Exterior Home Features
Roof: CompositionFencing: Back YardFoundation: Concrete Perimeter
Parking & Garage
Number of Garage Spaces: 2Number of Covered Spaces: 2No CarportHas a GarageHas an Attached GarageHas Open ParkingParking Spaces: 4Parking: Attached,Garage Door Opener,Inside Entrance,Side By Side,Paved
Water & Sewer
Sewer: Public Sewer

Property Information

Year Built
Year Built: 1983
Property Type / Style
Property Type: ResidentialProperty Subtype: Single Family ResidenceStructure Type: Detached, LuxuryArchitecture: Modern/High Tech,Traditional
Building
Construction Materials: Frame, Shingle Siding, WoodAttached To Another Structure
Property Information
Parcel Number: 05006152

Price & Status

Price
List Price: $3,695,000
Status Change & Dates
Possession Timing: Close Of Escrow

Location

Direction & Address
City: Mill Valley
School Information
Elementary School District: Tamalpais UnionJr High / Middle School District: Mill ValleyHigh School District: Mill Valley

Building

Building Area
Building Area: 3674 Square Feet

Community

Not Senior Community

HOA

Association for this Listing: Marin CountyNo HOA

Lot Information

Lot Area: 0.57 acres

Documents

Disclaimer: All data, photos, visualizations, and information regarding a property, including the property's compliance with state and local legal requirements and all measurements and calculations of area, have been obtained from various sources, and may include such material that has been generated by use of artificial intelligence. Such information and material have not been and will not be verified for accuracy by the listing broker or the multiple listing service, and are not guaranteed as complete, accurate or reliable. Such information and material should be independently reviewed and verified for accuracy. This information and material are intended for the personal use of consumers and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.

Listing Info

Special Conditions: Offer As Is

Mobile R/V

Mobile Home Park
Mobile Home Units: Feet

Miscellaneous

Mls Number: 325010089Listing Url
Last check for updates: about 6 hours ago
Listed by Sharon Kramlich DRE #01184449
Compass, (415) 325-2559
Bought with: Mollie W Poe, Compass
Co-Buyer's Agent: Declan Hickey DRE #01184449, Compass
Originating MLS: Marin County
Source: BAREIS, MLS#325010089

Price History for 431 Wellesley Avenue

DatePriceEventSource
04/08/2025$4,000,000Sold
BAREIS #325010089
03/26/2025$3,695,000PendingBAREIS #325010089
03/18/2025$3,695,000Listed For SaleBAREIS #325010089
05/30/2012$1,980,000Sold
N/A
05/12/2012$1,895,000PendingAgent Provided
04/26/2012$1,895,000Listed For SaleAgent Provided
05/28/2004$1,300,000Sold
N/A

Market trends in Mill Valley

Last updated June 2026
Buyer'sMarketSeller'sMarket
Avg. sale price
$2.4M
$295KMoM
Sale-to-List Price
108.3%
3.0%MoM
Price per sq ft
$1.08K
$70MoM
Available listings
54
25MoM
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Property Tax and Assessment

Year2025
Tax$52,652
Assessment$2,603,981
Home facts updated by county records

Comparable Sales for 431 Wellesley Avenue

Address
Distance
Property Type
Sold Price
Sold Date
Bed
Bath
Sqft
512 Browning Court, Mill Valley, CA
0.17
Single-Family Home
$3,710,000
04/14/26
4
3
2,906
390 Lowell Avenue, Mill Valley, CA
0.23
Single-Family Home
$3,375,000
05/13/26
5
3.5
3,010
321 Pine Hill Road, Mill Valley, CA
0.25
Single-Family Home
$2,810,000
05/11/26
4
3
2,705
436 Green Glen Way, Mill Valley, CA
0.44
Single-Family Home
$3,300,000
10/17/25
4
3.5
4,359
385 Dolan Avenue, Mill Valley, CA
0.23
Single-Family Home
$3,100,000
05/04/26
4
3.5
3,630
231 Princeton Avenue, Mill Valley, CA
0.44
Single-Family Home
$5,150,000
09/23/25
5
3
3,417
538 Marin Avenue, Mill Valley, CA
0.39
Single-Family Home
$3,360,000
05/12/26
4
4
3,134
921 Valley View Lane, Mill Valley, CA
0.38
Single-Family Home
$3,200,000
10/30/25
5
3
3,548
711 Forest Way, Mill Valley, CA
0.69
Single-Family Home
$3,600,000
05/11/26
4
3.5
3,735

Nearby homes

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Assigned Schools

These are the assigned schools for 431 Wellesley Avenue.
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

Tamalpais Valley
See Local Highlights
Neighborhood stats provided by third party data sources.

What Locals Say about Tamalpais Valley

At least 29 Trulia users voted on each feature.

  • 100 % Say there's wildlife

  • 94 % Say it's dog friendly

  • 93 % Say parking is easy

  • 88 % Say car is needed

  • 83 % Say people would walk alone at night

  • 81 % Say yards are well-kept

  • 80 % Say neighbors are friendly

  • 69 % Say it's quiet

  • 63 % Say there's holiday spirit

  • 58 % Say it's walkable to grocery stores

  • 58 % Say there are community events

  • 55 % Say kids play outside

  • 53 % Say they plan to stay for at least 5 years

  • 28 % Say streets are well-lit

  • 25 % Say it's walkable to restaurants

  • 21 % Say there are sidewalks

Sourced by Trulia users. Learn more about our methodology.
  • Colette Caldwell
    "My home town is sooooo safe and beautiful and clean and I am so grateful to have grown up here and still living here:) "
    0
    Flag
  • Lisa.harvey
    "You can walk them off leash on my trails people generally really like dogs ……………………………………………,…………………….."
    0
    Flag
  • Shannon.s.valka
    "There are Creekside concerts in the summer with live music food and fun games for kids. The community center has a wonderful haunted house every year, weekly bingo and lots of community events"
    3
    Flag
  • Patricia K.
    "You can get to downtown SF in about 40 min on the Golden Gate transit bus. Easily accessible and affordable."
    3
    Flag
  • Augie P.
    "Very quiet and safe area, many families and kids of all ages are here, there are 2 dog parks//playground within walking distance of our apartment "
    2
    Flag
  • Cari D.
    "I’ve lived in the area for 6 years and absolutely adore it. Such a sense of community. BEAUTIFUL area, fruit trees on every corner, close to everything. "
    3
    Flag
  • fhulse
    "Tam Valley is what Mill Valley used to be like...quiet, green, beautiful, uncrowded, close to trails and offering a quick back road to the highway. 18 minutes to the SF on a fast day, 3 minutes to downtown Mill Valley or Mt. Tam's trails."
    0
    Flag
  • Mirkramer
    "I live here. It's an awesome neighborhood. Fantastic neighbors!!! Great place for families, kids, pets. Lots of cultural activities. Community center. Recycling."
    1
    Flag
  • Maryann P.
    "Used to live in this area; now live in another area of Mill Valley, have worked near here for many years. This area is a great commute to SF, hiking, beaches, and only a few minutes drive to downtown Mill Valley. More private and quiet than the close to town properties except those way up the hills. Great school in neighborhood and recently redone park with play area, picnic and tennis. "
    0
    Flag
  • Myriam N. M.
    "Excellent commute, peaceful and private."
    0
    Flag

LGBTQ Local Legal Protections

Apartments for Rent

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Explore by feature - Pet Friendly

17 pet-friendly rentals in Mill Valley, CA

Explore by feature - Garage

16 rentals with a garage in Mill Valley, CA

Explore by feature - Air Conditioning

10 rentals with air conditioning in Mill Valley, CA

Explore by feature - Pool

7 rentals with a pool in Mill Valley, CA

Explore by feature - Washer/dryer

27 rentals with a washer/dryer in Mill Valley, CA

Explore by feature - Outdoor Space

Homes for sale near 431 Wellesley Avenue

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Off Market Homes Near 431 Wellesley Avenue

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All data, photos, visualizations, and information regarding a property, including the property's compliance with state and local legal requirements and all measurements and calculations of area, have been obtained from various sources, and may include such material that has been generated by use of artificial intelligence. Such information and material have not been and will not be verified for accuracy by the listing broker or the multiple listing service, and are not guaranteed as complete, accurate or reliable. Such information and material should be independently reviewed and verified for accuracy. This information and material are intended for the personal use of consumers and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.
Copyright 2026 Bay Area Real Estate Information Services, Inc. All Right Reserved.