172 Toyon Rd is a 5,240 square foot house on a 1.21 acre lot with 5 bedrooms and 4.5 bathrooms. - it last sold on May 15, 2026 for $7,527,000. Based on Redfin's Atherton data, we estimate the home's value is $10,243,042.
Single-familyProperty Type
1952Year Built
1.21 acresLot Size
$1,955Est. Price/Sq.Ft.
2 car garageParking
Source:Public Records
Redfin Estimate
$10,243,042
$2.7M since sold in May 2026$209K since September
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 0.3% higher than the average sale price ($10.21M) of 5 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
Jun 15, 2027 • Active
Plumbing
Plumbing
Aug 1, 2017 • Final
Electrical
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
Basement Information
Basement Sq. Ft: 350
Basement Finish: Finished
Basement Type: Full
Bathroom Information
# of Full Baths: 4
# of 1/2 Baths: 1
Heating & Cooling
Air Conditioning Type: Central
Heating Type: Central
Room Information
# of Rooms: 15
Exterior
Exterior Information
Construction Type: Wood/Steel
Building Construction Quality: Excellent
Pool Information
Has Pool
View Information
View: Excellent
Property Information
Subdivision Name: RINGWOOD
Living Sq. Ft: 5,240
Ground Floor Sq. Ft: 2,350
Building Sq. Ft: 5,240
# of Stories: 1
Legal Description: LOT 21 RINGWOOD RSM 13/47 TOWN OF ATHERTON
Parking & Garage Information
# of Parking Spaces: 2
Parking Type: Detached Garage
Garage/Parking Sq. Ft: 890
Garage / Carport Type: Detached
Lot Information
# of Buildings: 1
Land Sq. Ft: 52,803
Legal Lot Number: 21
Acres: 1.2122
Depth Footage: 383
Front Footage: 150
Zoning Code: R1001A
County Use Description: SINGLE FAMILY
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 5
Baths: 4.5
Sq. Ft.: 5,240
Stories: 1.0
Lot Size: 1.21 acres
Style: Single Family Residential
Year Built: 1952
Year Renovated: 1972
County: San Mateo County
APN: 061231050
Home facts updated by county records on Sep 2, 2026
Around this home
Schools
Laurel Elementary School
Public K-5 • Assigned • 0.1mi
10/10
Hillview Middle School
Public 6-8 • Assigned • 2.1mi
9/10
Menlo-Atherton High School
Public 9-12 • Assigned • 0.3mi
8/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Climate risks
6/10 Flood Factor
Estimated 67-74% 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 90° expected this year, 14 days in 30 years
1/10 Wind Factor
Minimal risk of severe winds over next 30 years
8/10 Air Factor
16 unhealthy days expected this year, 16 days in 30 years
Provided by First Street
Historical weather
Atherton, CA • 94027
Average low and high temperatures (°F)
61
41
64
45
71
47
70
48
74
51
78
55
79
56
81
57
80
60
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
$9.73M – $11.78M
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