11 Underhill Rd is a 2,120 square foot house on a 0.27 acre lot with 3 bedrooms and 3 bathrooms. - it last sold on November 12, 2019 for $1,770,000. Based on Redfin's Mill Valley data, we estimate the home's value is $2,750,123.
Single-familyProperty Type
1962Year Built
0.27 acresLot Size
$1,297Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$2,750,123
$980K since sold in November 2019$155K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 0.4% lower than the average sale price ($2.76M) of 6 comparable homes.
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Permits
Oct 19, 2020 • Final
Residential battery backup
Install a residential home battery backup system.
Battery
Electrical
Mar 11, 2014 • Final
Res photovoltaic
Install a photovoltaic solar system.
Electrical
Solar
Permit history is from public records and may be incomplete or inaccurate. Redfin and its agents make no representations about the property condition or permit status. Buyers should independently verify all information.
Property details
Interior
Heating & Cooling
Heating Type: Central
Fireplace Information
# of Fireplaces: 1
Has Fireplace
Exterior
Exterior Information
Building Style Type: Contemporary
Building Construction Quality: Good
Exterior Wall: Wood Siding
View Information
View: Good
Property Information
Subdivision Name: SCOTT VLY 01
Living Sq. Ft: 2,120
Building Sq. Ft: 2,120
# of Units: 1
# of Stories: 2
Legal Description: MAP 10 PG 69 LOT 21
Parking & Garage Information
Garage/Parking Sq. Ft: 528
Lot Information
# of Buildings: 1
Land Sq. Ft: 11,600
Legal Lot Number: 21
Municipality Name: MILL VALLEY
Acres: 0.2663
County Use Description: 1 FAMILY RESID
Utility Information
Sewer Type: Public
Water Service Type: Public
Financial
Assessor Information
Assessment Year: 2026
Tax Area: MILL VALLEY
Public facts
Beds: 3
Baths: 3.0
Sq. Ft.: 2,120
Stories: 2.0
Lot Size: 0.27 acres
Style: Single Family Residential
Year Built: 1962
Year Renovated: 1974
County: Marin County
APN: 033-142-01
Home facts updated by county records on Jul 13, 2026
Around this home
Schools
Edna Maguire Elementary School
Public K-5 • Assigned • 0.2mi
10/10
Mill Valley Middle School
Public 6-8 • Assigned • 1.0mi
9/10
Tamalpais High School
Public 9-12 • Assigned • 1.5mi
10/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Climate risks
1/10 Flood Factor
Minimal risk of a flood reaching the building in the next 30 years
3/10 Fire Factor
0.15% chance of being in a wildfire in next 30 years
3/10 Heat Factor
8 days above 83° expected this year, 18 days in 30 years
1/10 Wind Factor
Minimal risk of severe winds over next 30 years
8/10 Air Factor
13 unhealthy days expected this year, 13 days in 30 years
Provided by First Street
Historical weather
Mill Valley, CA • 94941
Average low and high temperatures (°F)
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47
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66
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48
69
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68
53
76
56
74
57
72
55
61
50
56
47
Jan
Feb
Mar
Apr
May
Jun
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Aug
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Dec
Sun exposure
In this area, properties receive around 10.6 hours in
June and 5 hours in December, placing it above the
U.S. average for solar exposure.
10.6 hrs
5 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$2.61M – $3.16M
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