453 Wellesley Avenue

• Sat May 16, 1:00 pm - 4:00 pm

  Incredible renovations to this spacious Mid-Century inspired Mill Valley home! Don't miss it!!!

• Sun May 17, 1:00 pm - 4:00 pm

  Incredible renovations to this spacious Mid-Century inspired Mill Valley home! Don't miss it!!!

A rare and expansive expression of mid-century architecture set on a sun-drenched, estate-like parcel with sweeping views of Mt. Tamwhere privacy, scale, and connection to nature converge in effortless harmony. Walls of glass and clean architectural lines invite the outdoors in, creating a warm, light-filled flow designed equally for everyday living and vibrant entertaining. At the heart of the home, a beautifully appointed chef's kitchen with professional-grade Viking appliances opens seamlessly to generous living and dining spaces. The main level features a stunning primary suite with floor-to-ceiling windows framing panoramic views of Tam Valley and Muir Woods, along with a spa-inspired bath complete with soaking tub, walk-in shower, and sauna. A spacious guest bedroom, a refined modern bath, and a sunlit office or additional bedroom with private balcony complete this level. The lower level offers exceptional flexibility, with a large family room opening directly to the gardens, three additional bedrooms, and two updated bathseasily configured as a private guest or au pair suite with its own entrance, ideal for multi-generational living, extended stays, or work-from-home independence. Set on expansive grounds with mature landscaping and fruit trees, the property lives like a private retreatperfect for gathering around the fire pit, relaxing in the hot tub beneath the stars, or simply taking in the sweeping Mt. Tam views. Tucked away in a serene, natural setting, yet just moments from top-rated schools, Good Earth Market, Tam Junction's vibrant dining scene, and endless hiking and biking trailswith San Francisco just minutes awaythis is a rare opportunity to live immersed in nature without sacrificing connection.

Days on Market

8 days

Current Status

Active

Original Price

$4,495,000

List Price

$4,495,000

On Market Date

May 8, 2026

Property Type

Single Family Residence

Area

Mill Valley

Zip Code

94941

MLS ID

326040492

APN

050-043-66

Year Built

1962

Stories in Building

Unavailable

Possession

Close Of Escrow

Data Source

BAREIS

Origin MLS System

Bed

6

Bath

4

Double Sinks, Low-Flow Toilet(s), Radiant Heat, Sauna, Shower Stall(s), Skylight/Solar Tube, Tile, Tub

Parking

4

EV Charging, No Garage, Side-by-Side, Uncovered Parking Spaces 2+

SQ FT

3,200

SQ FT Source

Graphic Artist

Lot SQ FT

16,601.0

Lot Acres

0.3811 Acres

Kitchen

Breakfast Area, Pantry Cabinet, Quartz Counter

Cooling

None

Dining Room

Dining Bar, Formal Area

Exterior Details

Dog Run, Fire Pit, Uncovered Courtyard

Family Room

Deck Attached, View

Living Room

Deck Attached, Great Room, Open Beam Ceiling, View

Flooring

Laminate, Wood

Fire Place

Living Room, Wood Burning

Heating

Central, Fireplace(s), Gas, MultiZone

Laundry

Chute, Dryer Included, Ground Floor, Inside Room, Washer Included

Main Level

Bedroom(s), Dining Room, Full Bath(s), Kitchen, Living Room, Primary Bedroom, Street Entrance

Views

Forest, Garden/Greenbelt, Hills, Mountains, Mt Tamalpais, Panoramic, Ridge, Valley, Woods

Possession

Close Of Escrow

Basement

Partially Finished

Architectural Style

Mid-Century

Fee

$0

MLS and other Information regarding properties for sale as shown in Theo have been obtained from various sources such as sellers, public records, agents and other third parties. This information may relate to the condition of the property, permitted or unpermitted uses, zoning, square footage, lot size/acreage or other matters affecting value or desirability. Unless otherwise indicated in writing, neither brokers, agents nor Theo have verified, or will verify, such information. If any such information is important to buyer in determining whether to buy, the price to pay or intended use of the property, buyer is urged to conduct their own investigation with qualified professionals, satisfy themselves with respect to that information, and to rely solely on the results of that investigation.

School data provided by GreatSchools. School service boundaries are intended to be used as reference only. To verify enrollment eligibility for a property, contact the school directly.