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  5. Middlefield Rd

36 Middlefield Rd, Atherton, CA 94027 Property Records

San Mateo County property record for 36 Middlefield Rd, Atherton, CA 94027

Property Summary

Property TypeSingle Family Home
Details6 bd · 6 ba · 5,880 sqft · built 1890
Lot Size1.57 acres (68,730 sqft)
Owner2 Company Names on Record
Tax Bill$10,093 (2025)
Deeds & MortgagesMar 2024 Transfer
Apr 2019 Mortgage
Flood ZoneZone X (minimal risk)
APN060-200-160

Property Details

APN / Parcel Number

Primary APN060-200-160

Interior

Bedrooms6 Beds
Full Baths6 Baths
Total Rooms16 Rooms
Stories2 Stories
Building Area5,880 sqft Living Area
1st Floor Area2,870 sqft
2nd Floor Area2,800 sqft
Basement Area210 sqft
Finished Basement210 sqft
Family RoomFamily Room
StudyStudy

Exterior

Year BuiltBuilt 1890
Effective Year BuiltEffective 1890
Lot Area68,730 sqft
Lot Dimensions325 ft deep x 210 ft wide
Garage Area625 sqft
Parking Spaces2 Parking Spaces

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemCentral

Location & Zoning

Street Address36 MIDDLEFIELD RD
CityATHERTON
StateCA
Zip94027-3020
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR1001A
Legal DescriptionLOT 1 SHERWOOD ESTATE RSM 41/5 TOWN OF ATHERTON
Legal SubdivisionSHERWOOD ESTATE
Legal Lot Number1
JurisdictionSAN MATEO CA
Township / Civil DivisionSAN MATEO
Census Block Group2
Census Block2005
Census Tract611500

Owner

Source: San Mateo County records, as of July 15, 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record2 Company Names on Record
Mailing Address36 MIDDLEFIELD RD, ATHERTON, CA 94027-3020
OccupancyOwner Occupied
Owner TypeCompany
VestingTrust, Family Trust

Deeds, Mortgages & Sale History

DateDocument
Mar 26, 2024Intrafamily Transfer, Transfer
Apr 2, 2019Deed of Trust, Mortgage · Conventional Mortgage
QUICKEN LNS

Assessor's Deed Record

Deed Names2 Names on Deed
Last Transfer DateJan 22, 2025
Transfer Doc0000003963
Record UpdatedSep 20, 2026

March 2024: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionSAN MATEO CA
Recording DateMar 26, 2024
Property Address36 MIDDLEFIELD RD, ATHERTON, CA 94027-3020
Document Number0000015878
Map ReferenceMB 41 PG 5
Instrument DateJan 10, 2024
Instrument2024-015878
Transaction TypeTransfer
Record UpdatedApr 10, 2024

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipFamily Trust
Address36 MIDDLEFIELD RD, ATHERTON, CA 94027-3020

April 2019: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionSAN MATEO CA
Property Address36 MIDDLEFIELD RD, ATHERTON, CA 94027-3020
Document Number0000024881
Instrument DateApr 2, 2019
Transaction TypeMortgage
Record UpdatedApr 26, 2019
Title CompanyOTHER

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipHusband and Wife
Address36 MIDDLEFIELD RD ATHERTON CA 940273020, ATHERTON, CA 94027-3020

Mortgage

Document Number0000024881
DateApr 8, 2019
Instrument24881
Lender
NameQUICKEN LNS
TypeFunding / Finance Company
AddressDETROIT, MI 48226-1906
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term360 Months
DueApr 7, 2049

Tax Assessment & Valuation

Source: San Mateo County assessment roll, as of July 15, 2026

Property Jurisdictions

TypeName
StateCalifornia
MunicipalityAtherton Town
CountySan Mateo County
Elementary School DistrictMenlo Park City Elementary School District (KG - 08)
Secondary School DistrictSequoia Union High School District (09 - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2026$695,936 (+2%) Land $141,777 Building $554,159
2025$10,093.00 (+5.12%) Homeowner's exemption$682,292 (+4.04%) Land $138,998 Building $543,294
2023$9,601.00 (+2.85%) Homeowner's exemption$655,800 Land $133,601 Building $522,199$5,409,360
2022$9,335.00

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Flood

Source: FEMA National Flood Hazard Layer, effective September 10, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it
Nearby Flood Policies4 in force

Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.

Wildfire

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire RiskLow
lower than 96% of the US · lower than 97.4% of California
Wildfire Likelihood0.01% annual chance
ExposureNone
beyond ember reach

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water SystemCALIFORNIA WATER SERVICE - BEAR GULCH
private · serves 60,382 people · EPA ID CA4110006
Water SourceSurface water
Last State InspectionFeb 2025
Lead4 ppb (2022–2024)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and ReportingNone
last 3 years

Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.

Internet Providers

Source: FCC Broadband Data Collection, based on 313 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Race Communications
Fiber		10,000 / 10,000
AT&T
Fiber · Fixed Wireless, DSL in parts of the area		5,000 / 5,000
Xfinity
Cable		2,000 / 250
Verizon
Fixed Wireless		300 / 20

May also be available: Etheric Networks, GeoLinks, Sonic Telecom, T-Mobile.

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