Google street view image for 420 Walsh Rd, Atherton, CA 94027

OFF MARKET

$4,324,731

•

3.5 ba

•

4,600

sq ft

420 Walsh Rd, Atherton, CA 94027

About this home

420 Walsh Rd is a 4,600 square foot house on a 0.62 acre lot with 5 bedrooms and 3.5 bathrooms. Based on Redfin's Atherton data, we estimate the home's value is $4,324,731.

Single-familyProperty Type

1983Year Built

0.62 acresLot Size

$940Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$4,324,731

$1.3M since August

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 45.5% lower than the average sale price ($7.94M) of 5 comparable homes.

SOLD AUG 7, 2026
$4,108,000
A
4 beds3 baths2,840 sq ft
1185 Trinity Dr, Menlo Park, CA 94025
SOLD APR 13, 2026
$5,550,000
B
4 beds3 baths3,910 sq ft
1110 Trinity Dr, Menlo Park, CA 94025
SOLD JUN 22, 2026
$15,500,000
C
6 beds3 baths5,992 sq ft
450 Walsh Rd, Atherton, CA 94027
SOLD APR 24, 2026
$6,300,000
D
5 beds3.5 baths3,640 sq ft
1940 Camino A Los Cerros, Menlo Park, CA 94025
SOLD AUG 17, 2026
$8,250,250
E
4 beds3 baths3,230 sq ft
40 Montana Ln, Menlo Park, CA 94025

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Earn from this home

Sell

$4,096,683

Est. take-home

List your home with Redfin and save $21,624

Rent

$11,799/mo

Redfin rental estimate

List your home for rent

Market trends in 94027, CA

Last updated August 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

106.6%

+2.6% MoM

Median sale price

$12.0M

$795K MoM

Avg. days on market

19d

2 days MoM

Recently sold homes

7 MoM

New listings for sale

NEW 1 HR AGO
$12,998,000
4 beds4.5 baths4,286 sq ft
Undisclosed address, Atherton, CA 94027
OPEN FRI, 4PM TO 6PM
$5,888,000
5 beds4.5 baths3,765 sq ft
28 Holbrook Ln, Atherton, CA 94027
$9,850,000
5 beds3.5 baths5,160 sq ft
333 Walsh Rd, Atherton, CA 94027
See all

Provided by Redfin

Sale history for 420 Walsh Rd

As the MLS and public records start to fill up, we'll list the details here.

Year

Property tax

Land + Additions

Assessment*

2025

$29,552 (+1.4%)

$1,230,920 + $1,366,104

$2,597,024

2024

$29,156 (+1.7%)

$1,206,785 + $1,339,318

$2,546,103

2023

$28,668 (+2.8%)

$1,183,123 + $1,313,057

$2,496,180

2022

$27,893 (+1.6%)

$1,159,925 + $1,287,311

$2,447,236

2021

$27,454 (+2.3%)

$1,137,182 + $1,262,070

$2,399,252

2020

$26,846 (−2.9%)

$1,114,885 + $1,237,324

$2,352,209

2019

$27,636 (+5.0%)

$1,103,454 + $1,224,637

$2,328,091

2018

$26,313 (+0.5%)

$1,081,818 + $1,200,625

$2,282,443

2017

$26,176 (+0.8%)

$1,039,810 + $1,154,004

$2,193,814

2016

$25,972 (+1.9%)

$1,039,810 + $1,154,004

$2,193,814

2015

$25,478 (+0.9%)

$1,019,422 + $1,131,377

$2,150,799

2014

$25,251 (+5.5%)

$984,441 + $1,092,554

$2,076,995

2012

$23,930 (+2.0%)

$979,992 + $1,087,617

$2,067,609

2011

$23,464 (+1.4%)

$960,777 + $1,066,292

$2,027,069

2010

$23,145 (+0.9%)

$941,939 + $1,045,385

$1,987,324

2009

$22,944 (+2.7%)

$934,900 + $1,037,573

$1,972,473

2008

$22,340

$937,121 + $1,040,038

$1,977,159

Tax history for 420 Walsh Rd

Year

Property tax

Land + Additions

Assessment*

2025

$29,552 (+1.4%)

$1,230,920 + $1,366,104

$2,597,024

2024

$29,156 (+1.7%)

$1,206,785 + $1,339,318

$2,546,103

2023

$28,668 (+2.8%)

$1,183,123 + $1,313,057

$2,496,180

2022

$27,893 (+1.6%)

$1,159,925 + $1,287,311

$2,447,236

2021

$27,454 (+2.3%)

$1,137,182 + $1,262,070

$2,399,252

2020

$26,846 (−2.9%)

$1,114,885 + $1,237,324

$2,352,209

2019

$27,636 (+5.0%)

$1,103,454 + $1,224,637

$2,328,091

2018

$26,313 (+0.5%)

$1,081,818 + $1,200,625

$2,282,443

2017

$26,176 (+0.8%)

$1,039,810 + $1,154,004

$2,193,814

2016

$25,972 (+1.9%)

$1,039,810 + $1,154,004

$2,193,814

2015

$25,478 (+0.9%)

$1,019,422 + $1,131,377

$2,150,799

2014

$25,251 (+5.5%)

$984,441 + $1,092,554

$2,076,995

2012

$23,930 (+2.0%)

$979,992 + $1,087,617

$2,067,609

2011

$23,464 (+1.4%)

$960,777 + $1,066,292

$2,027,069

2010

$23,145 (+0.9%)

$941,939 + $1,045,385

$1,987,324

2009

$22,944 (+2.7%)

$934,900 + $1,037,573

$1,972,473

2008

$22,340

$937,121 + $1,040,038

$1,977,159

*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

Nov 1, 2019 • Final

New acc str

Install a fountain, benches, lighting, and hardscape.

ADU

Oct 5, 2019 • Final

Landscape wtr efficient

Perform landscape alterations on the property.

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

Bathroom Information
# of Full Baths: 3
# 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: 12

Exterior

Exterior Information
Building Style Type: Cape Cod
Construction Type: Wood/Steel
Building Construction Quality: Good
Exterior Wall: Wood

Pool Information
Has Pool

View Information
View: Good

Property Information
Living Sq. Ft: 4,600
Gross Sq. Ft: 4,600
Ground Floor Sq. Ft: 3,680
Building Sq. Ft: 4,600
# of Stories: 2
Legal Description: PAR 3 OF PM VOL 30/4 &

Parking & Garage Information
# of Parking Spaces: 3
Parking Type: Detached Garage
Garage/Parking Sq. Ft: 970
Garage / Carport Type: Detached

Lot Information
# of Buildings: 1
Land Sq. Ft: 27,018
Acres: 0.6202
County Use Description: SINGLE FAMILY

Financial

Assessor Information
Assessment Year: 2026

Public facts

Beds: 5
Baths: 3.5
Sq. Ft.: 4,600
Stories: 2.0
Lot Size: 0.62 acres
Style: Single Family Residential
Year Built: 1983
Year Renovated: 1998
County: San Mateo County
APN: 073263330

Home facts updated by county records on Sep 2, 2026

Around this home

Schools

Las Lomitas Elementary School

Public K-3 • Assigned • 0.9mi

10/10

La Entrada Middle School

Public 4-8 • Assigned • 1.1mi

10/10

Woodside High School

Public 9-12 • Assigned • 1.3mi

8/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Climate risks

9/10 Flood Factor

Estimated 80%+ chance of a flood reaching the building in the next 30 years

2/10 Fire Factor

0.00% 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)

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

$4.11M – $4.97M

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New listings for sale in 94027

NEW 1 HR AGOVIDEO TOUR

$12,998,000

4 beds4.5 baths4,286 sq ft

Undisclosed address, Atherton, CA 94027

OPEN FRI, 4PM TO 6PM3D WALKTHROUGH

$5,888,000

5 beds4.5 baths3,765 sq ft

28 Holbrook Ln, Atherton, CA 94027

$9,850,000

5 beds3.5 baths5,160 sq ft

333 Walsh Rd, Atherton, CA 94027

Home values near 420 Walsh Rd

Data from public records.

Address	Redfin Estimate
459 Walsh Rd, Atherton, CA 5 Beds \| 6 Baths \| 6300 Sq. Ft.	$8,325,815
439 Walsh Rd, Atherton, CA 4 Beds \| 4 Baths \| 4750 Sq. Ft.	$7,634,958

Address	Redfin Estimate
450 Walsh Rd, Atherton, CA 6 Beds \| 3 Baths \| 5992 Sq. Ft.	$15,837,701
400 Walsh Rd, Atherton, CA 5 Beds \| 4.5 Baths \| 4250 Sq. Ft.	$9,095,409

Address	Redfin Estimate
465 Walsh Rd, Atherton, CA 4 Beds \| 3 Baths \| 3200 Sq. Ft.	$4,762,466
441 Walsh Rd, Atherton, CA 5 Beds \| 5.5 Baths \| 5800 Sq. Ft.	$10,769,231

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GreatSchools Ratings provided by GreatSchools.org.

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About this home

Redfin Estimate

Earn from this home

Market trends in 94027, CA

Sale history for 420 Walsh Rd

Tax history for 420 Walsh Rd

Zoning and permits

Property details

Around this home

Schools

Lifestyle

Climate risks

Historical weather

Sun exposure

Nearby similar homes

New listings for sale in 94027

Home values near 420 Walsh Rd

More real estate resources