52 Broadacres Rd, Atherton, CA 94027 Property Records

San Mateo County property record for 52 Broadacres Rd, Atherton, CA 94027

Property Summary

Property TypeSingle Family Home
Details6 bd · 7 ba · 5,590 sqft · built 1955
Lot Size1.81 acres (79,231 sqft)
Owner2 Company Names on Record
Tax Bill$36,974 (2025)
Deeds & MortgagesNov 2017 Mortgage
Flood ZoneZone X (minimal risk)
APN073-220-180

Property Details

APN / Parcel Number

Primary APN073-220-180

Interior

Bedrooms6 Beds
Full Baths7 Baths
Total Rooms10 Rooms
Stories2 Stories
Building Area5,590 sqft Living Area
1st Floor Area2,700 sqft
Family RoomFamily Room
Fireplaces4 Fireplaces
FireplaceFireplace

Exterior

Year BuiltBuilt 1955
Effective Year BuiltEffective 1955
Exterior MaterialStucco
Roof MaterialWood Shingle
Lot Area79,231 sqft
Lot Dimensions6,784 ft deep x 6,784 ft wide
Garage Area960 sqft
Parking Spaces4 Parking Spaces

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemCentral
Heating FuelGas
SewerMunicipal
Water SourceCommercial

Location & Zoning

Street Address52 BROADACRES RD
CityATHERTON
StateCA
Zip94027-6408
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR1001A
Legal DescriptionLOT 4 BROAD ACRES RSM 24/35 36 TOWN OF ATHERTON
Legal SubdivisionBROAD ACRES
Legal Lot Number4
JurisdictionSAN MATEO CA
Township / Civil DivisionSAN MATEO
Census Block Group3
Census Block3005
Census Tract611400

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 Address52 BROADACRES RD, ATHERTON, CA 94027-6408
OccupancyOwner Occupied
Owner TypeCompany
VestingTrust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Last Transfer DateDec 31, 2012
Transfer Doc0000003294
Record UpdatedOct 29, 2026

November 2017: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionSAN MATEO CA
Property Address52 BROADACRES RD, ATHERTON, CA 94027-6408
Transaction TypeMortgage
Record UpdatedFeb 5, 2021
Title CompanyOLD REPUBLIC TITLE

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0000104669
DateNov 22, 2017
Instrument2017-104669
Lender
NameFIRST REPUBLIC BANK
TypeBank
AddressSAN FRANCISCO, CA 94111
Agreement
TypeARM
AmountAmount Recorded
Term361 Months
DueDec 1, 2047
Interest
Rate TypeAdjustable Rate
Rate2.75%
AdjustableAdjustable Rate Rider
Type Change DateDec 1, 2024
Change FrequencyMonthly
Min Rate At Change2.5%
Max Rate At Change9.95%
Index1-Month LIBOR

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 DistrictLas Lomitas Elementary School District (KG - 08)
Secondary School DistrictSequoia Union High School District (09 - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2026$3,289,426 (+2%) Land $1,595,111 Building $1,694,315
2025$36,974.00 (+3.02%) Homeowner's exemption$3,224,929 (+4.04%) Land $1,563,835 Building $1,661,094
2023$35,891.00 (+2.79%) Homeowner's exemption$3,099,703 Land $1,503,110 Building $1,596,593$7,765,200
2022$34,916.00

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
Flood Insurance CostPremium on Record
median of 10 policies
Nearby Flood Policies10 in force
Nearby Flood Claims1 (2022)
Claims Outside the SFHA1 of 1
Most Recent ClaimDec 2022 · Severe Winter Storms, Flooding, Landslides, And Mudslides

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 LikelihoodUnder 0.01% 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 589 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
AT&T
Fiber · Fixed Wireless in parts of the area
5,000 / 5,000
Xfinity
Cable
2,000 / 250
Cruzio
Fixed Wireless
1,000 / 1,000
Verizon
Fixed Wireless
300 / 20
Etheric Networks
Fixed Wireless
250 / 100

May also be available: Race Communications, Sonic Telecom, T-Mobile.

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