42 Underhill in Scott Valley is one of those homes that just feels good the moment you walk in. Offering 3BR + a big separate office, 2.5BA, and approx. 2,875 SqFt, it's been lovingly held by the same family for 41+ yrsrecently refreshed w/new paint, refinished hardwoods & updated lighting. The floor plan is refreshingly livable main living spaces and the primary suite are all on one level. The primary includes a large walk-in closet, vaulted ceiling + its own little outdoor private escape. Vaulted ceilings + a gas fireplace anchor the living room, while the bright kitchen offers a large casual dining area. The formal dining room opens to a private outdoor atrium, creating a magical mid-century vibe. The family room adds warmth w/ custom wood built-ins + a 2nd fireplace. Powder room, laundry and the 2-car garage finish off the main level. Upstairs, two bedrooms are located in a separate wing and share a hall bathroom. The second upper-level wing features an expansive office with built-in shelving, storage, and generous workspaceideal for today's flexible living needs. The home features 4 Anderson sliders to access the peaceful, lushly landscaped back yard complete with pool, hot tub, gardens, walking path and expansive decks to enjoy the sunny back yard. Multiple skylights. The driveway and 2 car-garage is accessed via a shared driveway on Lower Dr. Located in the desirable Scott Valley neighborhood, you'll have easy access to the Scott Valley Swim & Tennis Club less than a block away, top-ranked Mill Valley schools, and miles of open space and scenic trails. Move right in or explore endless possibilities to make this spacious home with its smart-flexible floor plan your own.
Closed
$2,910,000
42 Underhill Road, Mill Valley, CA 94941
3beds
2,875sqft
Single Family Residence
Built in 1965
9,016 Square Feet Lot
$2,911,100 Zestimate®
$1,012/sqft
$7,981 Estimated rent
Home value
$2,911,100
$2.68M - $3.17M
$7,981/mo
Zestimate® history
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List your homeWhat's special
Walking pathBright kitchenRefinished hardwoodsLarge casual dining areaPowder roomUpdated lightingHot tub
Zillow last checked:
Listing updated:
Listed by:
McCarthy + Moe Group DRE #01421997 415-846-9538,
Compass 415-805-2900
Bought with:
Gabriel Goldthwaite, DRE #02154086
Compass
Deborah Cole, DRE #01937272
Compass
Source: BAREIS,MLS#: 326025264
Originating MLS: Marin County
Originating MLS: Marin CountyFacts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 3
- Bathrooms: 3
- Full bathrooms: 2
- 1/2 bathrooms: 1
Rooms
- Room types: Atrium, Dining Room, Family Room, Kitchen, Living Room, Master Bedroom, Office
Primary bedroom
- Features: Ground Floor, Outside Access, Walk-In Closet(s)
- Level: Main
Bedroom
- Level: Main,Upper
Primary bathroom
- Features: Shower Stall(s)
Bathroom
- Features: Tub w/Shower Over
- Level: Main,Upper
Dining room
- Features: Formal Room
- Level: Main
Family room
- Level: Main
Kitchen
- Features: Breakfast Room, Space in Kitchen
- Level: Main
Living room
- Features: Cathedral/Vaulted
- Level: Main
Heating
- Central, Gas
Cooling
- None
Appliances
- Included: Built-In Refrigerator, Dryer, Washer
- Laundry: Inside Area
Features
- Cathedral Ceiling(s)
- Flooring: Tile, Wood
- Basement: None
- Number of fireplaces: 2
- Fireplace features: Brick, Family Room, Living Room
Interior area
- Total structure area: 2,875
- Total interior livable area: 2,875 sqft
Property
Parking
- Total spaces: 4
- Parking features: Garage Faces Rear, Inside Entrance
- Garage spaces: 2
- Uncovered spaces: 2
Features
- Levels: Two
- Stories: 2
- Patio & porch: Rear Porch
- Pool features: In Ground
- Spa features: In Ground
Lot
- Size: 9,016 Square Feet
- Features: Auto Sprinkler F&R
Details
- Additional structures: Storage
- Parcel number: 03318206
- Special conditions: Trust
Construction
Type & style
- Home type: SingleFamily
- Architectural style: Contemporary,Mid-Century,Ranch
- Property subtype: Single Family Residence
Materials
- Roof: Composition
Condition
- Year built: 1965
Utilities & green energy
- Sewer: Public Sewer
- Water: Public
- Utilities for property: Natural Gas Connected, Public
Community & HOA
Community
- Security: Carbon Monoxide Detector(s), Smoke Detector(s)
- Subdivision: Scott Valley
HOA
- Has HOA: No
Location
- Region: Mill Valley
Financial & listing details
- Price per square foot: $1,012/sqft
- Tax assessed value: $298,463
- Annual tax amount: $5,639
- Date on market: 3/30/2026
Price history
| Date | Event | Price |
|---|---|---|
| 4/24/2026 | Sold | $2,910,000+21.5%$1,012/sqft |
Source:  BAREIS #326025264 Report a problem | ||
| 4/8/2026 | Pending sale | $2,395,000$833/sqft |
Source: BAREIS #326025264 Report a problem | ||
| 3/30/2026 | Listed for sale | $2,395,000$833/sqft |
Source: BAREIS #326025264 Report a problem | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2025 | $5,639 -3.4% | $298,463 +2% |
| 2024 | $5,836 +8.2% | $292,612 +2% |
| 2023 | $5,393 -1.4% | $286,875 +2% |
| 2022 | $5,471 -1.3% | $281,251 +2% |
| 2021 | $5,542 +1.4% | $275,737 +1% |
| 2020 | $5,466 +41.4% | $272,910 +2% |
| 2019 | $3,866 -3.6% | $267,559 +2% |
| 2018 | $4,010 +5.7% | $262,314 +2% |
| 2017 | $3,793 +10.2% | $257,172 +2% |
| 2016 | $3,444 -2.6% | $252,129 +1.5% |
| 2015 | $3,535 +1% | $248,343 +2% |
| 2014 | $3,501 | $243,479 +0.5% |
| 2013 | -- | $242,379 +2% |
| 2012 | -- | $237,628 +2% |
| 2011 | -- | $232,970 +0.8% |
| 2010 | -- | $231,229 -0.2% |
| 2009 | -- | $231,779 +2% |
| 2008 | -- | $227,235 +2% |
| 2007 | -- | $222,780 +2% |
| 2006 | -- | $218,412 +2% |
| 2005 | -- | $214,130 +2% |
| 2004 | -- | $209,933 +1.9% |
| 2003 | -- | $206,085 +2% |
| 2002 | -- | $202,045 +2% |
| 2001 | -- | $198,084 |
Find assessor info on the county website
Neighborhood: Scott Valley
Nearby homes
- $4,575,8004 bd4 ba2.9k sqft21 Lower Dr, Mill Valley, CA 94941Off Market
- $2,534,8004 bd2 ba2.3k sqft15 Lower Dr, Mill Valley, CA 94941Off Market
- $2,877,1003 bd3 ba2.9k sqft40 Underhill Rd, Mill Valley, CA 94941Off Market
- $2,697,1004 bd2 ba2.6k sqft9 Lower Dr, Mill Valley, CA 94941Off Market
- $2,923,2003 bd3 ba2.4k sqft16 Midhill Dr, Mill Valley, CA 94941Off Market
- $2,940,3004 bd3 ba2.6k sqft14 Midhill Dr, Mill Valley, CA 94941Off Market
- $2,593,6004 bd2 ba2.5k sqft1 Lower Dr, Mill Valley, CA 94941Off Market
- $2,319,9003 bd2 ba2.3k sqft12 Midhill Dr, Mill Valley, CA 94941Off Market
Nearby schools
GreatSchools rating
- 10/10Edna Maguire Elementary SchoolGrades: K-5Distance: 0.4 mi
- 9/10Mill Valley Middle SchoolGrades: 6-8Distance: 1.2 mi
- 10/10Tamalpais High SchoolGrades: 9-12Distance: 1.7 mi
Schools provided by the listing agent
- District: Mill Valley
Source: BAREIS. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.
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Estimated market value
$2,911,100
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Estimated market value
$2,911,100
- California
- Marin County
- Mill Valley
- 94941
- Scott Valley
- 42 Underhill Road
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