100 Quarry Rd is a 2,959 square foot house on a 0.35 acre lot with 4 bedrooms and 3 bathrooms. - it last sold on November 02, 2017 for $2,150,000. Based on Redfin's Mill Valley data, we estimate the home's value is $3,084,729.
Single-familyProperty Type
1908Year Built
0.35 acresLot Size
$1,042Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$3,084,729
$935K since sold in November 2017$552K since July
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 10.6% higher than the average sale price ($2.79M) 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
Sep 20, 2018 • Final
Res - otc min mep
Replace the main electrical panel with a new panel and relocate it to the rear of the building for proper placement.
Electrical
HVAC
Sep 20, 2018 • Final
Residential plan check
Remodel an interior closet into an office space.
Remodel
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
Exterior
Exterior Information
Building Style Type: Contemporary
Building Construction Quality: Average
Property Information
Subdivision Name: SB CUSHINGS
Living Sq. Ft: 2,959
Building Sq. Ft: 2,959
# of Units: 1
Parking & Garage Information
Garage/Parking Sq. Ft: 216
Lot Information
# of Buildings: 1
Land Sq. Ft: 15,295
Legal Lot Number: 113
Municipality Name: MILL VALLEY
Acres: 0.3511
County Use Description: 1 FAMILY RESID
Financial
Assessor Information
Assessment Year: 2026
Tax Area: MILL VALLEY
Public facts
Beds: 4
Baths: 3.0
Sq. Ft.: 2,959
Stories: —
Lot Size: 0.35 acres
Style: Single Family Residential
Year Built: 1908
Year Renovated: 1920
County: Marin County
APN: 027-052-20
Home facts updated by county records on Jul 13, 2026
Around this home
Schools
Old Mill Elementary School
Public K-5 • Assigned • 0.9mi
10/10
Mill Valley Middle School
Public 6-8 • Assigned • 2.0mi
9/10
Tamalpais High School
Public 9-12 • Assigned • 2.4mi
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
0.46% 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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66
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48
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68
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76
56
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
$2.93M – $3.55M
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