Google street view image for 400 Walsh Rd, Atherton, CA 94027

Off Market Oct 1987 for $1.1M

$7,826,527

Est. refi paymentEst. refi $5,840/mo

•

4.5 ba

•

4,250

sq ft

400 Walsh Rd, Atherton, CA 94027

About this home

400 Walsh Rd is a 4,250 square foot house on a 1.38 acre lot with 5 bedrooms and 4.5 bathrooms. - it last sold on October 30, 1987 for $1,180,000. Based on Redfin's Atherton data, we estimate the home's value is $7,826,527.

Single-familyProperty Type

1976Year Built

1.38 acresLot Size

$1,842Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$7,826,527

$6.6M since sold in October 1987$768K since August

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 10.7% higher than the average sale price ($7.07M) of 5 comparable homes.

SOLD JUL 31, 2026
$7,755,000
A
5 beds5 baths4,717 sq ft
306 Walsh Rd, Atherton, CA 94027
SOLD AUG 7, 2026
$4,108,000
B
4 beds3 baths2,840 sq ft
1185 Trinity Dr, Menlo Park, CA 94025
SOLD APR 17, 2026
$8,050,000
C
4 beds3.5 baths5,106 sq ft
5 Ridge View Dr, Atherton, CA 94027
SOLD JUN 5, 2026
$5,450,000
D
5 beds3.5 baths4,885 sq ft
200 Todo El Mundo, Woodside, CA 94062
SOLD APR 3, 2026
$10,000,000
E
5 beds4.5 baths6,000 sq ft
2 Callado Way, Atherton, CA 94027

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Earn from this home

Sell

$7,414,634

Est. take-home

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Est. cash available

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Rent

$11,549/mo

Redfin rental estimate

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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 12 HRS AGO
$23,000,000
4 beds3.5 baths3,970 sq ft
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OPEN TODAY, 2PM TO 4PM
$6,790,000
5 beds3 baths3,880 sq ft
2 Irving Ave, Atherton, CA 94027
OPEN TODAY, 2PM TO 4PM
$4,888,000
4 beds3 baths2,604 sq ft
57 Wilburn Ave, Atherton, CA 94027
$22,000,000
6 beds7 baths7,905 sq ft
51 Valley Rd, Atherton, CA 94027
(415) 846-4685
EARLY ACCESS
$15,800,000
4 beds5 baths5,800 sq ft
187 Atherton Ave, Atherton, CA 94027
VIDEO TOUR
$12,998,000
4 beds4.5 baths4,286 sq ft
368 Camino Al Lago, Atherton, CA 94027
See all

Provided by Redfin

Sale history for 400 Walsh Rd

Year

Property tax

Land + Additions

Assessment*

2025

$32,427 (+1.3%)

$1,171,445 + $1,693,801

$2,865,246

2024

$31,997 (+1.7%)

$1,148,476 + $1,660,590

$2,809,066

2023

$31,466 (+2.8%)

$1,125,957 + $1,628,030

$2,753,987

2022

$30,614 (+1.6%)

$1,103,880 + $1,596,108

$2,699,988

2021

$30,133 (+2.3%)

$1,082,236 + $1,564,813

$2,647,049

2020

$29,465 (−2.9%)

$1,061,016 + $1,534,131

$2,595,147

2019

$30,341 (+5.0%)

$1,050,137 + $1,518,401

$2,568,538

2018

$28,886 (+0.8%)

$1,029,547 + $1,488,630

$2,518,177

2017

$28,664 (+0.8%)

$989,569 + $1,430,826

$2,420,395

2016

$28,444 (+1.9%)

$989,569 + $1,430,826

$2,420,395

2015

$27,906 (+0.9%)

$970,166 + $1,402,771

$2,372,937

2014

$27,663 (+5.5%)

$936,876 + $1,354,636

$2,291,512

2012

$26,217 (+2.0%)

$932,642 + $1,348,515

$2,281,157

2011

$25,708 (+1.4%)

$914,355 + $1,322,074

$2,236,429

2010

$25,361 (+0.8%)

$896,427 + $1,296,152

$2,192,579

2009

$25,152 (+2.7%)

$889,728 + $1,286,466

$2,176,194

2008

$24,502

$891,842 + $1,289,523

$2,181,365

Tax history for 400 Walsh Rd

Year

Property tax

Land + Additions

Assessment*

2025

$32,427 (+1.3%)

$1,171,445 + $1,693,801

$2,865,246

2024

$31,997 (+1.7%)

$1,148,476 + $1,660,590

$2,809,066

2023

$31,466 (+2.8%)

$1,125,957 + $1,628,030

$2,753,987

2022

$30,614 (+1.6%)

$1,103,880 + $1,596,108

$2,699,988

2021

$30,133 (+2.3%)

$1,082,236 + $1,564,813

$2,647,049

2020

$29,465 (−2.9%)

$1,061,016 + $1,534,131

$2,595,147

2019

$30,341 (+5.0%)

$1,050,137 + $1,518,401

$2,568,538

2018

$28,886 (+0.8%)

$1,029,547 + $1,488,630

$2,518,177

2017

$28,664 (+0.8%)

$989,569 + $1,430,826

$2,420,395

2016

$28,444 (+1.9%)

$989,569 + $1,430,826

$2,420,395

2015

$27,906 (+0.9%)

$970,166 + $1,402,771

$2,372,937

2014

$27,663 (+5.5%)

$936,876 + $1,354,636

$2,291,512

2012

$26,217 (+2.0%)

$932,642 + $1,348,515

$2,281,157

2011

$25,708 (+1.4%)

$914,355 + $1,322,074

$2,236,429

2010

$25,361 (+0.8%)

$896,427 + $1,296,152

$2,192,579

2009

$25,152 (+2.7%)

$889,728 + $1,286,466

$2,176,194

2008

$24,502

$891,842 + $1,289,523

$2,181,365

*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

Property details

Interior

Basement Information
Basement Sq. Ft: 650
Basement Type: Unfinished

Bathroom Information
# of Full Baths: 4
# of 1/2 Baths: 1

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

View Information
View: Good

Property Information
Living Sq. Ft: 4,250
Gross Sq. Ft: 4,900
Ground Floor Sq. Ft: 3,210
Building Sq. Ft: 4,900
# of Stories: 2
Legal Description: PARCEL 1 1.383 AC MOL PARCEL MAP VOL 30/4

Parking & Garage Information
# of Parking Spaces: 2
Parking Type: Basement Garage
Garage/Parking Sq. Ft: 650
Garage / Carport Type: Basement

Lot Information
# of Buildings: 1
Land Sq. Ft: 60,252
Acres: 1.3832
Zoning Code: R10000
County Use Description: SINGLE FAMILY

Financial

Assessor Information
Assessment Year: 2026

Public facts

Beds: 5
Baths: 4.5
Sq. Ft.: 4,250
Stories: 2.0
Lot Size: 1.38 acres
Style: Single Family Residential
Year Built: 1976
Year Renovated: 1976
County: San Mateo County
APN: 073263300

Home facts updated by county records on Sep 2, 2026

Around this home

Schools

Las Lomitas Elementary School

Public K-3 • Assigned • 0.8mi

10/10

La Entrada Middle School

Public 4-8 • Assigned • 1.1mi

10/10

Woodside High School

Public 9-12 • Assigned • 1.2mi

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

2/10 Fire Factor

0.00% chance of being in a wildfire in next 30 years

2/10 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

$7.44M – $9.00M

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Listing provided by Zillow

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Home values near 400 Walsh Rd

Data from public records.

Address	Redfin Estimate
420 Walsh Road, Atherton, CA 5 Beds \| 3.5 Baths \| 4600 Sq. Ft.	$6,065,189
445 Walsh Road, Atherton, CA 4 Beds \| 3.5 Baths \| 2940 Sq. Ft.	$6,914,322

Address	Redfin Estimate
439 Walsh Road, Atherton, CA 4 Beds \| 4 Baths \| 4750 Sq. Ft.	$8,511,675
415 Walsh Road, Atherton, CA 2 Beds \| 3 Baths \| 3280 Sq. Ft.	$5,249,120

Address	Redfin Estimate
441 Walsh Road, Atherton, CA 5 Beds \| 5.5 Baths \| 5800 Sq. Ft.	$8,750,282
410 Walsh Road, Atherton, CA 6 Beds \| 6 Baths \| 5205 Sq. Ft.	$9,785,869

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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 400 Walsh Rd

Tax history for 400 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 400 Walsh Rd

More real estate resources