8 Ralston Ave is a 3,417 square foot house on a 0.52 acre lot with 5 bedrooms and 5 bathrooms. - it last sold on March 24, 2025 for $3,950,000. Based on Redfin's Mill Valley data, we estimate the home's value is $5,792,004.
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Permits
Aug 26, 2023 • Final
Residential plan check
Perform miscellaneous site work on a residential property.
Addition
Remodel
Aug 22, 2023 • Final
Encroachment online
Repair the main utility line using the pipe bursting method.
Gas
Grading
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
Basement Information
Basement Sq. Ft: 1,357
Basement Type: Unfinished
Heating & Cooling
Heating Type: Central
Fireplace Information
# of Fireplaces: 1
Has Fireplace
Exterior
Exterior Information
Building Style Type: Contemporary
Building Construction Quality: Good
Pool Information
Has Pool
Property Information
Subdivision Name: TAMALPAIS LAND & WATER CO MAP
Living Sq. Ft: 3,417
Building Sq. Ft: 4,774
# of Units: 1
Legal Description: LOT 329
Parking & Garage Information
Garage/Parking Sq. Ft: 856
Lot Information
# of Buildings: 1
Land Sq. Ft: 22,650
Legal Lot Number: 329
Municipality Name: MILL VALLEY
Acres: 0.52
County Use Description: 1 FAMILY RESID
Financial
Assessor Information
Assessment Year: 2026
Tax Area: MILL VALLEY
Public facts
Beds: 5
Baths: 5.0
Sq. Ft.: 3,417
Stories: —
Lot Size: 0.52 acres
Style: Single Family Residential
Year Built: 1940
Year Renovated: 1978
County: Marin County
APN: 027-142-08
Home facts updated by county records on Jul 13, 2026
Around this home
Schools
Old Mill Elementary School
Public K-5 • Assigned • 0.5mi
10/10
Mill Valley Middle School
Public 6-8 • Assigned • 1.9mi
9/10
Tamalpais High School
Public 9-12 • Assigned • 2.3mi
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
2/10 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
7/10 Air Factor
12 unhealthy days expected this year, 12 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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48
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68
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76
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74
57
72
55
61
50
56
47
Jan
Feb
Mar
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May
Jun
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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
$5.50M – $6.66M
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