493 Walsh Rd is a 3,580 square foot house on a 1 acre lot with 4 bedrooms and 4.5 bathrooms. - it last sold on June 21, 1976 for $149,500. Based on Redfin's Atherton data, we estimate the home's value is $4,879,028.
Single-familyProperty Type
1974Year Built
1 acresLot Size
$1,363Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$4,879,028
$4.7M since sold in June 1976$41K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 19.2% lower than the average sale price ($6.04M) 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.
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
Mar 17, 2021 • Final
Demo
Abandon an existing pool.
Demolition
Pool and hot tub
Sep 26, 1973 • Final
Converted
Construct a new residential building and a garage.
ADU
New construction
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: 1,390
Basement Finish: Unfinished
Basement Type: Full
Bathroom Information
# of Full Baths: 4
# of 1/2 Baths: 1
Heating & Cooling
Air Conditioning Type: Central
Heating Type: Central
Fireplace Information
# of Fireplaces: 1
Has Fireplace
Room Information
# of Rooms: 10
Exterior
Exterior Information
Physical Condition: Excellent
Building Style Type: Ranch
Construction Type: Wood/Steel
Building Construction Quality: Good
Exterior Wall: Stucco
Building Type: Detached
Building Improvement Type: Detached
Pool Information
Has Pool
View Information
View: Good
Property Information
Subdivision Name: ATHERTON WEST
Living Sq. Ft: 3,580
Ground Floor Sq. Ft: 3,200
Building Sq. Ft: 4,590
# of Stories: 1
Legal Description: LOT 4 ATHERTON WEST RSM 55/36 TOWN OF ATHERTON
Parking & Garage Information
# of Parking Spaces: 3
Parking Type: Basement Garage
Garage/Parking Sq. Ft: 1,010
Garage / Carport Type: Basement
Lot Information
# of Buildings: 1
Land Sq. Ft: 43,606
Legal Lot Number: 4
Acres: 1.0011
Zoning Code: R1001A
County Use Description: SINGLE FAMILY
Location Information
Parcel Location Influence: Cul-De-Sac
Utility Information
Sewer Type: Public
Water Service Type: Public
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 4
Baths: 4.5
Sq. Ft.: 3,580
Stories: 1.0
Lot Size: 1 acres
Style: Single Family Residential
Year Built: 1974
Year Renovated: 1974
County: San Mateo County
APN: 074371040
Home facts updated by county records on Sep 2, 2026
Around this home
Schools
Las Lomitas Elementary School
Public K-3 • Assigned • 1.1mi
10/10
La Entrada Middle School
Public 4-8 • Assigned • 1.3mi
10/10
Woodside High School
Public 9-12 • Assigned • 1.4mi
8/10
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
0.31% chance of being 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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45
71
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48
74
51
78
55
77
55
81
57
80
58
77
53
65
46
60
45
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
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
$4.64M – $5.61M
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