646 Ridgewood Avenue

Room to Grow, Play, Roam, and Work from Home Welcome to a home built for active families and other nature lovers who would appreciate the tranquility of this setting and the quiet lane it's on. The fully fenced large backyard is made for hide and seek, treehouses, pets, and parties. Inside, an open-concept layout with lovely post-modern touches lets you keep an eye on homework and everything else. There's a flex space on the main floor for a home office, play room, optional bedroom, or gathering for fun and study. 2 bedrooms are on another floor, near the primary, and a large, lovely full bath. And, on the bottom floor you'll find a unique unwarranted space with separate entrance, full bathroom, and laundry that could be a perfect private home office, exercise room, family room, or au-pair/JADO - (buyer to verify). On a quiet, lane, this home is in the acclaimed Mill Valley and Tam Union school districts. Owner owned solar is included with whole house Tesla battery storage. Only a few minutes to the GG Bridge, downtown Mill Valley and miles of beautiful hiking and biking trails. It could be your dream house.

Days on Market

51 days

Current Status

Contingent

Original Price

List Price

$1,875,000

On Market Date

Sep 1, 2026

Contingent Date

Oct 14, 2026

Property Type

Single Family Residence

Area

Mill Valley

Zip Code

94941

MLS ID

326074573

APN

04703235

Year Built

1962

Stories in Building

3

Possession

Close Of Escrow

Data Source

BAREIS

Origin MLS System

Bed

3

Bath

2.5 (2/1)

Parking

3

Garage Door Opener

SQ FT

2,505

SQ FT Source

Graphic Artist

Lot SQ FT

12,079.0

Lot Acres

0.2773 Acres

Cooling

Ceiling Fan(s)

Disclosures

Standard

Living Room

Cathedral/Vaulted

Flooring

Wood

Foundation

Concrete, Concrete Perimeter

Fire Place

Living Room

Heating

Central, Gas

Laundry

Dryer Included, Washer Included

Main Level

Dining Room, Kitchen, Living Room, Street Entrance

Views

Forest, Hills

Possession

Close Of Escrow

Basement

None

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.