336 Walsh Rd is a 17,611 square foot house on a 1.45 acre lot with 6 bedrooms and 6.5 bathrooms. - it last sold on December 15, 2020 for $28,000,000. Based on Redfin's Atherton data, we estimate the home's value is $32,298,441.
Single-familyProperty Type
2020Year Built
1.45 acresLot Size
$1,834Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$32,298,441
$4.3M since sold in December 2020$2.3M since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 113.7% higher than the average sale price ($15.11M) of 4 comparable homes.
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Zoning and permits
Zoning
Permits
R-1A
Residential District
This chapter identifies the allowed use and permit requirements and development standards for the residential district R-1A. The intent of this district is to implement the residential land use categories of the town’s general plan. It is designed to designate land for the development of residential uses consistent with the development regulations set forth in this title.
Permitted uses
Include but are not limited to:
Housing
Housing-Single unit
May 20, 2021 • Final
Electrical
Install a solar photovoltaic system with powerwalls and electrical panels.
Battery
Electrical
Solar
May 18, 2021 • Final
Landscape screen
Work on landscape screening.
ADU
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: 6,599
Basement Finish: Finished
Basement Type: Full
Bathroom Information
# of Full Baths: 6
# of 1/2 Baths: 1
Heating & Cooling
Air Conditioning Type: Central
Heating Type: Central
Fireplace Information
# of Fireplaces: 2
Has Fireplace
Room Information
# of Rooms: 18
Exterior
Exterior Information
Construction Type: Wood/Steel
Building Construction Quality: Excellent
Pool Information
Has Pool
View Information
View: Excellent
Property Information
Living Sq. Ft: 17,611
Ground Floor Sq. Ft: 6,683
Building Sq. Ft: 17,611
# of Stories: 2
Legal Description: LOT B 1.455 AC MOL PM 83/73-74
Parking & Garage Information
# of Parking Spaces: 4
Parking Type: Detached Garage
Garage/Parking Sq. Ft: 1,114
Garage / Carport Type: Detached
Lot Information
# of Buildings: 1
Land Sq. Ft: 63,378
Legal Lot Number: B
Acres: 1.455
County Use Description: SINGLE FAMILY W/ ADU
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 6
Baths: 6.5
Sq. Ft.: 17,611
Stories: 2.0
Lot Size: 1.45 acres
Style: Single Family Residential
Year Built: 2020
Year Renovated: —
County: San Mateo County
APN: 073220400
Home facts updated by county records on Sep 2, 2026
Around this home
Schools
Las Lomitas Elementary School
Public K-3 • Assigned • 0.2mi
10/10
La Entrada Middle School
Public 4-8 • Assigned • 0.9mi
10/10
Woodside High School
Public 9-12 • Assigned • 1.1mi
8/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Climate risks
10/10 Flood Factor
Estimated 80%+ chance 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
7 days above 95° expected this year, 13 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
Atherton, CA • 94027
Average low and high temperatures (°F)
61
41
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48
74
51
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77
55
81
57
80
58
77
53
65
46
60
45
Jan
Feb
Mar
Apr
May
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Sun exposure
In this area, properties receive around 10.7 hours in
June and 5 hours in December, placing it above the
U.S. average for solar exposure.
10.7 hrs
5 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$30.68M – $37.14M
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