23 Ralston Rd is a 2,990 square foot house on a 0.73 acre lot with 4 bedrooms and 4 bathrooms. Based on Redfin's Atherton data, we estimate the home's value is $8,132,911.
Single-familyProperty Type
1928Year Built
0.73 acresLot Size
$2,720Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$8,132,911
$677K since July
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 41.8% higher than the average sale price ($5.73M) of 6 comparable homes.
As the MLS and public records start to fill up, we'll list the details here.
Year
Property tax
Land + Additions
Assessment*
2025
$4,415 (+1.7%)
$112,501 + $176,257
$288,758
2024
$4,339 (+2.1%)
$112,501 + $176,257
$288,758
2023
$4,252 (+4.6%)
$110,296 + $172,801
$283,097
2022
$4,066 (+1.5%)
$108,134 + $169,413
$277,547
2021
$4,007 (+1.8%)
$106,014 + $166,092
$272,106
2020
$3,937 (+1.0%)
$103,936 + $162,836
$266,772
2019
$3,897 (+4.0%)
$102,871 + $161,167
$264,038
2018
$3,746 (−12.8%)
$100,854 + $158,007
$258,861
2017
$4,296 (+3.1%)
$96,939 + $151,872
$248,811
2016
$4,168 (+3.3%)
$96,939 + $151,872
$248,811
2015
$4,036 (+2.0%)
$95,039 + $148,895
$243,934
2014
$3,955 (+2.5%)
$91,779 + $143,787
$235,566
2012
$3,857 (+3.9%)
$91,365 + $143,138
$234,503
2011
$3,713 (+2.2%)
$89,574 + $140,332
$229,906
2010
$3,631 (+1.7%)
$87,818 + $137,581
$225,399
2009
$3,571 (+3.7%)
$87,162 + $136,553
$223,715
2008
$3,444
$87,370 + $136,878
$224,248
Tax history for 23 Ralston Rd
Year
Property tax
Land + Additions
Assessment*
2025
$4,415 (+1.7%)
$112,501 + $176,257
$288,758
2024
$4,339 (+2.1%)
$112,501 + $176,257
$288,758
2023
$4,252 (+4.6%)
$110,296 + $172,801
$283,097
2022
$4,066 (+1.5%)
$108,134 + $169,413
$277,547
2021
$4,007 (+1.8%)
$106,014 + $166,092
$272,106
2020
$3,937 (+1.0%)
$103,936 + $162,836
$266,772
2019
$3,897 (+4.0%)
$102,871 + $161,167
$264,038
2018
$3,746 (−12.8%)
$100,854 + $158,007
$258,861
2017
$4,296 (+3.1%)
$96,939 + $151,872
$248,811
2016
$4,168 (+3.3%)
$96,939 + $151,872
$248,811
2015
$4,036 (+2.0%)
$95,039 + $148,895
$243,934
2014
$3,955 (+2.5%)
$91,779 + $143,787
$235,566
2012
$3,857 (+3.9%)
$91,365 + $143,138
$234,503
2011
$3,713 (+2.2%)
$89,574 + $140,332
$229,906
2010
$3,631 (+1.7%)
$87,818 + $137,581
$225,399
2009
$3,571 (+3.7%)
$87,162 + $136,553
$223,715
2008
$3,444
$87,370 + $136,878
$224,248
*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
Feb 22, 2001 • Final
Converted
Perform a residential alteration and remodel.
Remodel
Nov 24, 1988 • Final
Converted
Re-roof an accessory structure garage.
Roofing
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: 210
Basement Type: Unfinished
Bathroom Information
# of Full Baths: 4
Heating & Cooling
Air Conditioning Type: Central
Heating Type: Central
Room Information
# of Rooms: 9
Exterior
Exterior Information
Construction Type: Wood/Steel
Building Construction Quality: Good
Pool Information
Has Pool
Property Information
Subdivision Name: SELBY
Living Sq. Ft: 2,990
Gross Sq. Ft: 3,200
Ground Floor Sq. Ft: 2,150
Building Sq. Ft: 3,200
# of Stories: 2
Legal Description: PTN OF LOT G SELBY TRACT RSM 10/29-30
Parking & Garage Information
# of Parking Spaces: 2
Parking Type: Detached Garage
Garage/Parking Sq. Ft: 440
Garage / Carport Type: Detached
Lot Information
# of Buildings: 1
Land Sq. Ft: 32,000
Legal Lot Number: G
Acres: 0.7346
Depth Footage: 320
Front Footage: 100
Zoning Code: R1001A
County Use Description: SINGLE FAMILY
Financial
Assessor Information
Assessment Year: 2025
Public facts
Beds: 4
Baths: 4.0
Sq. Ft.: 2,990
Stories: 2.0
Lot Size: 0.73 acres
Style: Single Family Residential
Year Built: 1928
Year Renovated: 1928
County: San Mateo County
APN: 059293150
Home facts updated by county records on Jul 15, 2026
Around this home
Schools
Garfield Elementary School
Public K-5 • Assigned • 1.0mi
6/10
Menlo-Atherton High School
Public 9-12 • Assigned • 2.1mi
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
1/10 Fire Factor
Unlikely to be in a wildfire in next 30 years
3/10 Heat Factor
7 days above 91° 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
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
$7.73M – $9.35M
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