31 Longfellow Rd is a 2,306 square foot house on a 9,601 square foot lot with 3 bedrooms and 3 bathrooms. - it last sold on August 03, 2016 for $1,410,000. Based on Redfin's Mill Valley data, we estimate the home's value is $2,609,076.
Single-familyProperty Type
1957Year Built
9,601 sq ftLot Size
$1,131Est. Price/Sq.Ft.
2 spacesParking
Source:Public Records
Redfin Estimate
$2,609,076
$1.2M since sold in August 2016$77K since July
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 5.7% lower than the average sale price ($2.77M) 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
Jan 31, 2021 • Final
Residential plan check
Install a roof-mounted solar glass photovoltaic system on a residential building.
Battery
Electrical
Roofing
Solar
Jan 11, 2021 • Final
Residential photovoltaic
Install a roof-mounted photovoltaic solar system on a residential building.
Battery
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
Property Information
Subdivision Name: ENCHANTED KNOLLS 01
Living Sq. Ft: 2,306
Building Sq. Ft: 2,306
# of Units: 1
Parking & Garage Information
Garage/Parking Sq. Ft: 400
Lot Information
# of Buildings: 1
Land Sq. Ft: 9,600
Legal Lot Number: 87
Municipality Name: MILL VALLEY
Acres: 0.2204
County Use Description: 1 FAMILY RESID
Financial
Assessor Information
Assessment Year: 2026
Tax Area: MILL VALLEY
Public facts
Beds: 3
Baths: 3.0
Sq. Ft.: 2,306
Stories: —
Parking Spaces: 2
Basement: No
Accessible: No
Lot Size: 9,601 square feet
Style: Single Family Residential
Year Built: 1957
Year Renovated: 2019
County: Marin County
APN: 030-183-01
HOA Dues: —
Garage: Yes
Features: Views, Green
Home facts updated by owner on Jun 8, 2026
Around this home
Schools
Edna Maguire Elementary School
Public K-5 • Assigned • 0.5mi
10/10
Mill Valley Middle School
Public 6-8 • Assigned • 0.4mi
9/10
Tamalpais High School
Public 9-12 • Assigned • 0.9mi
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
1/10 Fire Factor
Unlikely to be 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
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76
56
74
57
72
55
61
50
56
47
Jan
Feb
Mar
Apr
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
$2.48M – $3.00M
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