540 Middlefield Rd is a 2,160 square foot house on a 1 acre lot with 3 bedrooms and 2.5 bathrooms. - it last sold on June 11, 1998 for $850,000. Based on Redfin's Atherton data, we estimate the home's value is $5,642,967.
Single-familyProperty Type
1951Year Built
1 acresLot Size
$2,612Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$5,642,967
$4.8M since sold in June 1998$650K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 17.5% lower than the average sale price ($6.84M) of 5 comparable homes.
*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
Apr 25, 2022 • Final
Heritage tree
Remove and replace two dead main panels and one live main panel.
Grading
Mar 2, 2020 • Final
Heritage tree
Remove one dead Monterey pine tree and replace it with new trees.
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: 2
# of 1/2 Baths: 1
Heating & Cooling
Air Conditioning Type: Central
Heating Type: Central
Room Information
# of Rooms: 6
Exterior
Exterior Information
Construction Type: Wood/Steel
Building Construction Quality: Good
Property Information
Subdivision Name: OAKWOOD MANOR
Living Sq. Ft: 2,160
Ground Floor Sq. Ft: 2,160
Building Sq. Ft: 2,630
# of Stories: 1
Legal Description: LOT 2 OAKWOOD MANOR RSM 31/31 TOWN OF ATHERTON
Parking & Garage Information
# of Parking Spaces: 2
Parking Type: Attached Garage
Garage/Parking Sq. Ft: 470
Garage / Carport Type: Attached
Lot Information
# of Buildings: 1
Land Sq. Ft: 43,560
Legal Lot Number: 2
Acres: 1
Depth Footage: 217
Front Footage: 200
Zoning Code: R1001A
County Use Description: SINGLE FAMILY
Financial
Assessor Information
Assessment Year: 2025
Public facts
Beds: 3
Baths: 2.5
Sq. Ft.: 2,160
Stories: 1.0
Lot Size: 1 acres
Style: Single Family Residential
Year Built: 1951
Year Renovated: —
County: San Mateo County
APN: 061281120
Home facts updated by county records on Jul 15, 2026
Around this home
Schools
Encinal Elementary School
Public K-5 • Assigned • 0.5mi
9/10
Hillview Middle School
Public 6-8 • Assigned • 1.7mi
9/10
Menlo-Atherton High School
Public 9-12 • Assigned • 0.2mi
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 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)
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77
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81
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80
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77
53
65
46
60
45
Jan
Feb
Mar
Apr
May
Jun
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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
$5.36M – $6.49M
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