Google street view image for 318 Bay Rd, Atherton, CA 94027

Off market mar 2002 for $1.8M

$6,543,425

Est. refi paymentEst. refi $10,634/mo

•

1 ba

•

260

sq ft

318 Bay Rd, Atherton, CA 94027

About this home

318 Bay Rd is a 260 square foot house on a 0.92 acre lot with 1 bedroom and 1 bathroom. - it last sold on March 22, 2002 for $1,800,000. Based on Redfin's Atherton data, we estimate the home's value is $6,543,425.

Single-familyProperty Type

1941Year Built

0.92 acresLot Size

$25,167Est. Price/Sq.Ft.

2 car garageParking

Source:Public Records

Redfin Estimate

$6,543,425

$4.7M since sold in March 2002$177K since October

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 61.7% higher than the average sale price ($4.05M) of 5 comparable homes.

SOLD OCT 21, 2026
$3,725,000
A
4 beds3 baths2,765 sq ft
619 Bay Rd, Menlo Park, CA 94025
SOLD JUN 9, 2026
$3,700,000
B
4 beds4 baths1,843 sq ft
318 Oakwood Pl, Menlo Park, CA 94025
SOLD SEP 17, 2026
$5,820,000
C
4 beds3 baths2,730 sq ft
320 Arlington Way, Menlo Park, CA 94025
SOLD AUG 20, 2026
$3,250,000
D
3 beds3 baths1,950 sq ft
1004 Del Norte Ave, Menlo Park, CA 94025
SOLD SEP 25, 2026
$3,736,000
E
4 beds2.5 baths2,115 sq ft
1016 Greenwood Dr, Menlo Park, CA 94025

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Earn from this home

Sell

$5,802,895

Est. take-home

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Refinance

Est. cash available

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Rent

$3,321/mo

Redfin rental estimate

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Market trends in 94027, CA

Last updated October 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-list price

106.5%

0.1% MoM

Median sale price

$12.0M

$4K MoM

Avg. days on market

21d

4 days MoM

Recently sold homes

4 MoM

New listings for sale

REDFIN COMING SOON
$2,999,000
3 beds2 baths1,550 sq ft
200 Selby Ln, Atherton, CA 94027
3D WALKTHROUGH
$1,925,000
3 beds3 baths1,700 sq ft
35 Amherst Ct, Menlo Park, CA 94025
See all

Provided by Redfin

Sale history for 318 Bay Rd

Year

Property tax

Land + Additions

Assessment*

2025

$31,972 (+2.8%)

$1,356,157 + $1,356,157

$2,712,314

2024

$31,087 (+2.1%)

$1,329,566 + $1,329,566

$2,659,132

2023

$30,453 (+2.5%)

$1,303,497 + $1,303,497

$2,606,994

2022

$29,719 (+2.2%)

$1,277,939 + $1,277,939

$2,555,878

2021

$29,079 (+0.9%)

$1,252,882 + $1,252,882

$2,505,764

2020

$28,813 (+1.3%)

$1,228,316 + $1,228,316

$2,456,632

2019

$28,456 (+2.6%)

$1,215,722 + $1,215,722

$2,431,444

2018

$27,740 (−1.2%)

$1,191,885 + $1,191,885

$2,383,770

2017

$28,063 (+2.8%)

$1,145,603 + $1,145,603

$2,291,206

2016

$27,312 (+1.0%)

$1,145,603 + $1,145,603

$2,291,206

2015

$27,045 (+2.0%)

$1,123,141 + $1,123,141

$2,246,282

2014

$26,516 (+4.2%)

$1,084,601 + $1,084,601

$2,169,202

2012

$25,457 (+2.0%)

$1,079,700 + $1,079,700

$2,159,400

2011

$24,962 (+1.4%)

$1,058,530 + $1,058,530

$2,117,060

2010

$24,615 (+1.6%)

$1,037,775 + $1,037,775

$2,075,550

2009

$24,223 (+2.6%)

$1,030,019 + $1,030,019

$2,060,038

2008

$23,614

$1,032,466 + $1,032,466

$2,064,932

Tax history for 318 Bay Rd

Year

Property tax

Land + Additions

Assessment*

2025

$31,972 (+2.8%)

$1,356,157 + $1,356,157

$2,712,314

2024

$31,087 (+2.1%)

$1,329,566 + $1,329,566

$2,659,132

2023

$30,453 (+2.5%)

$1,303,497 + $1,303,497

$2,606,994

2022

$29,719 (+2.2%)

$1,277,939 + $1,277,939

$2,555,878

2021

$29,079 (+0.9%)

$1,252,882 + $1,252,882

$2,505,764

2020

$28,813 (+1.3%)

$1,228,316 + $1,228,316

$2,456,632

2019

$28,456 (+2.6%)

$1,215,722 + $1,215,722

$2,431,444

2018

$27,740 (−1.2%)

$1,191,885 + $1,191,885

$2,383,770

2017

$28,063 (+2.8%)

$1,145,603 + $1,145,603

$2,291,206

2016

$27,312 (+1.0%)

$1,145,603 + $1,145,603

$2,291,206

2015

$27,045 (+2.0%)

$1,123,141 + $1,123,141

$2,246,282

2014

$26,516 (+4.2%)

$1,084,601 + $1,084,601

$2,169,202

2012

$25,457 (+2.0%)

$1,079,700 + $1,079,700

$2,159,400

2011

$24,962 (+1.4%)

$1,058,530 + $1,058,530

$2,117,060

2010

$24,615 (+1.6%)

$1,037,775 + $1,037,775

$2,075,550

2009

$24,223 (+2.6%)

$1,030,019 + $1,030,019

$2,060,038

2008

$23,614

$1,032,466 + $1,032,466

$2,064,932

*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

Sep 29, 2019 • Final

Plumbing

Remove and replace a water heater.

Plumbing

Water heater

Jun 4, 2013 • Final

Reroof

Remove and replace the roof on a single-family home with asphalt shingles.

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

Bathroom Information
# of Full Baths: 1

Heating & Cooling
Air Conditioning Type: Central

Fireplace Information
# of Fireplaces: 2
Has Fireplace

Room Information
# of Rooms: 1

Exterior

Exterior Information
Physical Condition: Good
Building Style Type: Conventional
Construction Type: Wood/Steel
Building Construction Quality: Average
Exterior Wall: Wood Siding
Building Type: Detached
Building Improvement Type: Detached

Pool Information
Has Pool

View Information
View: Average

Property Information
Subdivision Name: FLOOD ACRES
Living Sq. Ft: 260
Gross Sq. Ft: 3,020
Ground Floor Sq. Ft: 260
Building Sq. Ft: 260
# of Stories: 1
Legal Description: LOT 3 FLOOD ACRES RSM 22/1 TOWN OF ATHERTON

Lot Information
# of Buildings: 1
Land Sq. Ft: 40,275
Legal Lot Number: 3
Acres: 0.9246
Depth Footage: 195
Front Footage: 210
Zoning Code: R1001A
County Use Description: SINGLE FAMILY

Location Information
Parcel Location Influence: Woodland

Utility Information
Sewer Type: Public
Water Service Type: Public

Financial

Assessor Information
Assessment Year: 2026

Public facts

Beds: 1
Baths: 1.0
Sq. Ft.: 260
Stories: 1.0
Lot Size: 0.92 acres
Style: Single Family Residential
Year Built: 1941
Year Renovated: 1941
County: San Mateo County
APN: 061091060

Home facts updated by county records on Sep 2, 2026

Around this home

Schools

Laurel Elementary School

Public K-5 • Assigned • 0.4mi

10/10

Hillview Middle School

Public 6-8 • Assigned • 2.6mi

9/10

Menlo-Atherton High School

Public 9-12 • Assigned • 0.8mi

8/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Climate risks

6/10 Flood Factor

Estimated 71-79% 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)

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

$6.22M – $7.53M

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Home values near 318 Bay Rd

Data from public records.

Address	Redfin Estimate
264 Bay Rd, Atherton, CA 6 Beds \| 5.5 Baths \| 6031 Sq. Ft.	$12,361,294
327 Bay Rd, Menlo Park, CA 3 Beds \| 2 Baths \| 1750 Sq. Ft.	$3,396,728

Address	Redfin Estimate
296 Bay Rd, Atherton, CA 5 Beds \| 2.5 Baths \| 2630 Sq. Ft.	$5,667,449
321 Bay Rd, Menlo Park, CA 2 Beds \| 1 Baths \| 1520 Sq. Ft.	$2,377,863

Address	Redfin Estimate
333 Bay Rd, Menlo Park, CA 2 Beds \| 1 Baths \| 1220 Sq. Ft.	$2,371,877
287 Bay Rd, Menlo Park, CA 3 Beds \| 1 Baths \| 1310 Sq. Ft.	$2,402,582

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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 318 Bay Rd

Tax history for 318 Bay 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 318 Bay Rd

More real estate resources