Wonderful 1937 home situated on a 19,000 sq ft level corner lot. 3 bedrooms, 1 1/4 baths. Major repairs done to the framing, footings, foundation, entry stairs and more in 2009-2010. A rare find with so many possibilites. Convenient to shopping, freeway, downtown Mill Valley, etc.
Sold for $2,505,000 on 10/07/25
$2,505,000
20 Shell Road, Mill Valley, CA 94941
3beds
1,735sqft
Single Family Residence
Built in 1937
0.44 Acres Lot
$2,495,000 Zestimate®
$1,444/sqft
$7,436 Estimated rent
Home value
$2,495,000
$2.25M - $2.77M
$7,436/mo
Zestimate® history
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Owner options
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What's special
Zillow last checked: 8 hours ago
Listing updated: October 07, 2025 at 02:19am
Listed by:
Lou La Gatta DRE #01124649 415-608-4842,
Marin Realty Group 415-927-4443
Bought with:
Stephanie Lamarre, DRE #01840604
Golden Gate Sotheby's
Source: BAREIS,MLS#: 325074288
Originating MLS: Marin County
Originating MLS: Marin CountyFacts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 3
- Bathrooms: 2
- Full bathrooms: 1
- 1/2 bathrooms: 1
Bedroom
- Level: Main,Upper
Bathroom
- Features: Shower Stall(s), Tile, Tub
- Level: Main
Dining room
- Features: Formal Room
Family room
- Level: Main
Kitchen
- Features: Tile Counters
- Level: Main
Living room
- Level: Main
Heating
- Central, Fireplace(s)
Cooling
- None
Appliances
- Included: Free-Standing Refrigerator, Dryer, Washer
- Laundry: Inside Room
Features
- Flooring: Carpet, Linoleum, Parquet, Tile, Wood
- Windows: Dual Pane Partial
- Basement: Partial
- Number of fireplaces: 1
- Fireplace features: Living Room, Stone, Wood Burning
Interior area
- Total structure area: 1,735
- Total interior livable area: 1,735 sqft
Property
Parking
- Total spaces: 10
- Parking features: Side By Side, Uncovered Parking Spaces 2+, Unpaved
- Garage spaces: 2
- Has uncovered spaces: Yes
Features
- Levels: Two
- Stories: 2
Lot
- Size: 0.44 Acres
- Features: Corner Lot
Details
- Parcel number: 03307116
- Special conditions: Offer As Is,Trust
Construction
Type & style
- Home type: SingleFamily
- Property subtype: Single Family Residence
Materials
- Foundation: Concrete Perimeter
- Roof: Composition
Condition
- Year built: 1937
Utilities & green energy
- Sewer: Public Sewer
- Water: Public, Water District
- Utilities for property: Public
Community & neighborhood
Location
- Region: Mill Valley
HOA & financial
HOA
- Has HOA: No
Price history
| Date | Event | Price |
|---|---|---|
| 10/7/2025 | Sold | $2,505,000+28.5%$1,444/sqft |
Source:  BAREIS #325074288 | ||
| 9/30/2025 | Pending sale | $1,950,000$1,124/sqft |
Source: BAREIS #325074288 | ||
| 9/16/2025 | Listed for sale | $1,950,000$1,124/sqft |
Source: BAREIS #325074288 | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2025 | -- | $119,518 +2% |
| 2024 | $5,363 +2.7% | $117,174 +2% |
| 2023 | $5,223 +2.5% | $114,877 +2% |
Find assessor info on the county website
Neighborhood: Alto
Nearby schools
GreatSchools rating
- 8/10Edna Maguire Elementary SchoolGrades: K-5Distance: 0.5 mi
- 9/10Mill Valley Middle SchoolGrades: 6-8Distance: 0.9 mi
- 10/10Tamalpais High SchoolGrades: 9-12Distance: 1.2 mi
Sell for more on Zillow
Get a free Zillow Showcase℠ listing and you could sell for .
$2,495,000
2% more+ $49,900
With Zillow Showcase(estimated)
$2,544,900