Google street view image for 146 Middlefield Rd, Atherton, CA 94027

Off Market Nov 1971 for $22K

$3,631,364

Est. refi paymentEst. refi $146/mo

•

1,494

sq ft

146 Middlefield Rd, Atherton, CA 94027

About this home

146 Middlefield Rd is a 1,494 square foot house on a 1.18 acre lot with 1 bedroom and 1 bathroom. - it last sold on November 30, 1971 for $22,500. Based on Redfin's Atherton data, we estimate the home's value is $3,631,364.

Single-familyProperty Type

1955Year Built

1.18 acresLot Size

$2,431Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$3,631,364

$3.6M since sold in November 1971$154K since August

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 55.9% lower than the average sale price ($8.23M) of 4 comparable homes.

SOLD AUG 28, 2026
$11,300,000
A
4 beds3.5 baths2,880 sq ft
1 Manzanita Rd, Atherton, CA 94027
SOLD JUL 31, 2026
$10,530,000
B
4 beds2.5 baths2,850 sq ft
30 Catalpa Dr, Atherton, CA 94027
SOLD OCT 21, 2025
$6,800,000
C
4 beds2.5 baths3,145 sq ft
196 Encinal Ave, Atherton, CA 94027
RE/MAX Gold Sierra Oaks
SOLD SEP 29, 2025
$4,300,000
D
4 beds2.5 baths2,883 sq ft
89 Fair Oaks Ln, Atherton, CA 94027

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Earn from this home

Sell

$3,439,717

Est. take-home

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Refinance

Est. cash available

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Rent

$10,193/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

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 146 Middlefield Rd

Year

Property tax

Land + Additions

Assessment*

2025

$6,984 (+2.9%)

$111,259 + $265,515

$376,774

2024

$6,785 (+2.9%)

$109,078 + $260,310

$369,388

2023

$6,592 (+2.7%)

$106,940 + $255,206

$362,146

2022

$6,416 (+5.1%)

$104,844 + $250,202

$355,046

2021

$6,106 (+1.7%)

$102,789 + $245,297

$348,086

2020

$6,005 (+1.7%)

$100,774 + $240,488

$341,262

2019

$5,903 (+3.2%)

$99,741 + $238,023

$337,764

2018

$5,723 (−9.7%)

$97,786 + $233,357

$331,143

2017

$6,337 (+5.0%)

$93,990 + $224,297

$318,287

2016

$6,033 (+1.8%)

$93,990 + $224,297

$318,287

2015

$5,926 (+2.8%)

$92,148 + $219,900

$312,048

2014

$5,766 (+5.0%)

$88,987 + $212,356

$301,343

2012

$5,492 (+41.8%)

$88,585 + $211,397

$299,982

2011

$3,873 (+2.1%)

$86,849 + $207,252

$294,101

2010

$3,792 (+33.8%)

$85,147 + $61,032

$146,179

2009

$2,834 (+7.2%)

$84,511 + $60,576

$145,087

2008

$2,642

$84,712 + $60,720

$145,432

Tax history for 146 Middlefield Rd

Year

Property tax

Land + Additions

Assessment*

2025

$6,984 (+2.9%)

$111,259 + $265,515

$376,774

2024

$6,785 (+2.9%)

$109,078 + $260,310

$369,388

2023

$6,592 (+2.7%)

$106,940 + $255,206

$362,146

2022

$6,416 (+5.1%)

$104,844 + $250,202

$355,046

2021

$6,106 (+1.7%)

$102,789 + $245,297

$348,086

2020

$6,005 (+1.7%)

$100,774 + $240,488

$341,262

2019

$5,903 (+3.2%)

$99,741 + $238,023

$337,764

2018

$5,723 (−9.7%)

$97,786 + $233,357

$331,143

2017

$6,337 (+5.0%)

$93,990 + $224,297

$318,287

2016

$6,033 (+1.8%)

$93,990 + $224,297

$318,287

2015

$5,926 (+2.8%)

$92,148 + $219,900

$312,048

2014

$5,766 (+5.0%)

$88,987 + $212,356

$301,343

2012

$5,492 (+41.8%)

$88,585 + $211,397

$299,982

2011

$3,873 (+2.1%)

$86,849 + $207,252

$294,101

2010

$3,792 (+33.8%)

$85,147 + $61,032

$146,179

2009

$2,834 (+7.2%)

$84,511 + $60,576

$145,087

2008

$2,642

$84,712 + $60,720

$145,432

*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

Oct 1, 2025 • Final

Pw utl main no trenc

Replace a utility pole and overhead transformer. Traffic control plan is required.

Electrical

Jul 2, 2025 • Final

Pw-utl con discon in

Perform emergency repairs to the main utility line. Restore the surrounding area upon completion.

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

Heating & Cooling
Air Conditioning Type: Central
Heating Type: Central

Room Information
# of Rooms: 7

Exterior

Exterior Information
Construction Type: Wood/Steel
Building Construction Quality: Good

View Information
View: Good

Property Information
Subdivision Name: VILLA LOTS/FAIR OAKS
Living Sq. Ft: 2,830
Ground Floor Sq. Ft: 2,830
Building Sq. Ft: 3,340
# of Stories: 1
Legal Description: 1.12 ACS PTN OF LOT 15 COM 25 FT FRM NELY COR VILLA LOTS FAIR OAKS RSM 1/87 TOWN OF ATHERTON

Parking & Garage Information
# of Parking Spaces: 4
Parking Type: Attached Garage
Garage/Parking Sq. Ft: 510
Garage / Carport Type: Attached

Lot Information
# of Buildings: 1
Land Sq. Ft: 51,250
Legal Lot Number: 15
Acres: 1.1765
Depth Footage: 185
Front Footage: 276
Zoning Code: R1001A
County Use Description: SINGLE FAMILY

Financial

Assessor Information
Assessment Year: 2026

Public facts

Beds: 1
Baths: 1.0
Sq. Ft.: 1,494
Stories: 1.0
Parking Spaces: —
Basement: No
Accessible: No
Lot Size: 1.18 acres
Style: Single Family Residential
Year Built: 1955
Year Renovated: 1989
County: San Mateo County
APN: 060220020
HOA Dues: —
Garage: No
Features: —

Home facts updated by owner on Mar 17, 2025

Around this home

Schools

Encinal Elementary School

Public K-5 • Assigned • 0.4mi

9/10

Hillview Middle School

Public 6-8 • Assigned • 2.0mi

9/10

Menlo-Atherton High School

Public 9-12 • Assigned • 1.1mi

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)

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

$3.45M – $4.18M

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$9,850,000

5 beds3.5 baths5,160 sq ft

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Home values near 146 Middlefield Rd

Data from public records.

Address	Redfin Estimate
117 Middlefield Rd, Atherton, CA 3 Beds \| 3.5 Baths \| 2398 Sq. Ft.	$3,960,964
2 Heritage Ct, Atherton, CA 6 Beds \| 4.5 Baths \| 5307 Sq. Ft.	$8,084,546

Address	Redfin Estimate
22 Holbrook Ln, Atherton, CA 4 Beds \| 2 Baths \| 2200 Sq. Ft.	$3,459,431
89 Virginia Ln, Atherton, CA 5 Beds \| 6 Baths \| 4370 Sq. Ft.	$6,737,548

Address	Redfin Estimate
1 Heritage Ct, Atherton, CA 6 Beds \| 7.5 Baths \| 4500 Sq. Ft.	$5,986,430
179 Burns Ave, Atherton, CA 4 Beds \| 3 Baths \| 2360 Sq. Ft.	$5,187,768

This data may not show owner updates. Learn more.

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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 146 Middlefield Rd

Tax history for 146 Middlefield 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 146 Middlefield Rd

More real estate resources