28 Underhill Rd is a 2,078 square foot house on a 10,824 square foot lot with 5 bedrooms and 2 bathrooms. - it last sold on April 24, 1986 for $242,000. Based on Redfin's Mill Valley data, we estimate the home's value is $2,336,126.
Single-familyProperty Type
1962Year Built
10,824 sq ftLot Size
$1,124Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$2,336,126
$2.1M since sold in April 1986$50K since July
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 10.7% lower than the average sale price ($2.62M) 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
Dec 6, 2017 • Final
Residential plan check
Remove and replace windows and a sliding door.
Remodel
Dec 6, 2017 • Final
Residential plan check
Install an asphalt shingle overlay on a residential building.
Roofing
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
Exterior
Exterior Information
Building Style Type: Contemporary
Building Construction Quality: Good
Pool Information
Has Pool
Property Information
Subdivision Name: SCOTT VLY UN 01
Living Sq. Ft: 2,078
Building Sq. Ft: 2,078
# of Units: 1
Legal Description: MAP 10 PG 69 LOT 2
Parking & Garage Information
Garage/Parking Sq. Ft: 529
Lot Information
# of Buildings: 1
Land Sq. Ft: 10,824
Legal Lot Number: 2
Municipality Name: MILL VALLEY
Acres: 0.2485
County Use Description: 1 FAMILY RESID
Financial
Assessor Information
Assessment Year: 2026
Tax Area: MILL VALLEY
Public facts
Beds: 5
Baths: 2.0
Sq. Ft.: 2,078
Stories: —
Lot Size: 10,824 square feet
Style: Single Family Residential
Year Built: 1962
Year Renovated: 1965
County: Marin County
APN: 033-153-02
Home facts updated by county records on Jul 13, 2026
Around this home
Schools
Edna Maguire Elementary School
Public K-5 • Assigned • 0.3mi
10/10
Mill Valley Middle School
Public 6-8 • Assigned • 1.1mi
9/10
Tamalpais High School
Public 9-12 • Assigned • 1.6mi
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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72
55
61
50
56
47
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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
$2.22M – $2.69M
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