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642 Ashbourne Dr, Sunnyvale, CA 94087 Property Records

Santa Clara County property record for 642 Ashbourne Dr, Sunnyvale, CA 94087

Property Summary

Property TypeSingle Family Home
Details5 bd · 3.5 ba · 1,916 sqft · built 1963
Lot Size0.182 acres (7,936 sqft)
Owner2 Individual Names on File
Last Sale$800,000 (Sep 2002)
Tax Bill$13,583 (2025)
Deeds & MortgagesAug 2022 Line of Credit
Flood ZoneZone X (moderate risk)
APN309-04-052

Property Details

APN / Parcel Number

Primary APN309-04-052

Interior

Bedrooms5 Beds
Full Baths3.5 Baths
Half Baths1 Half Bath
Total Rooms8 Rooms
Stories2 Stories
Building Area1,916 sqft Living Area
1st Floor Area1,080 sqft
2nd Floor Area836 sqft
Family RoomFamily Room
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1963
Effective Year BuiltEffective 1963
Architectural StyleL-Shape
Construction TypeWood
Lot Area7,936 sqft (0.182 acres)
Lot Dimensions124 ft deep x 64 ft wide
Garage Area440 sqft
Parking Spaces2 Parking Spaces
Pool TypePool with Hot Tub/Spa
Pool Area3,300 sqft
PorchPorch

Utilities, Heating & Cooling

Heating SystemHVAC

Location & Zoning

Street Address642 ASHBOURNE DR
CitySUNNYVALE
StateCA
Zip94087-3413
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR0
Legal DescriptionTRACT 3364 FREMONT PLACE BOOK 158 PAGE 42 LOT 41
Legal SubdivisionFREMONT PLACE
Legal Tract3364
Legal Lot Number41
JurisdictionSANTA CLARA CA
Township / Civil DivisionSAN JOSE
Census Block Group1
Census Block1002
Census Tract508203

Owner

642 Ashbourne Dr is owned and occupied by two individuals who bought it in September 2002.

Source: Santa Clara County records, as of July 27, 2026

Owner of Record2 Individual Names on File
Mailing Address642 ASHBOURNE DR, SUNNYVALE, CA 94087-3413
OccupancyOwner Occupied
Owner TypeIndividual
VestingCommunity Property

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleSep 4, 2002 · Amount on File
Deed SaleSep 4, 2002 · Amount on File
Deed Document Number200216453418
Prior Transfer DateOct 25, 1993
Prior Transfer Doc0012178193
Record UpdatedOct 29, 2026

August 2022: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionSANTA CLARA CA
Property Address642 ASHBOURNE DR, SUNNYVALE, CA 94087-3413
Transaction TypeMortgage
Record UpdatedSep 8, 2022
Title CompanyWFG LENDER SERVICES

Transferred To (Grantee/Buyer)

NameVerified Name
Address642 ASHBOURNE DR, SUNNYVALE, CA 94087-3413

Mortgage

Document Number0025364768
DateAug 29, 2022
Instrument25364768
Lender
NameBANK OF AMERICA NA
TypeBank
AddressFORT WORTH, TX 76155
Agreement
TypeLine of Credit
AmountAmount on Record
Interest
Rate TypeAdjustable Rate
Change FrequencyMonthly

Tax Assessment & Valuation

The 2025 property tax bill for 642 Ashbourne Dr was $13,583 with a homeowner's exemption.

Source: Santa Clara County assessment roll, as of July 27, 2026

Property Jurisdictions

TypeName
StateCalifornia
CountySanta Clara County
MunicipalitySunnyvale City
Elementary School DistrictCupertino Union Elementary School District (KG - 08)
Secondary School DistrictFremont Union High School District (09 - 12)

Tax Bill & Assessment History

YearTax BillAssessed Value
2026$1,181,823 (+2%) Land $812,507 Building $369,316
2025$13,583.00 Homeowner's exemption$1,158,651 Land $796,576 Building $362,075
2023$13,117.00 (+2.13%) Homeowner's exemption$1,113,661 Land $765,645 Building $348,016
2022$12,843.00

Assessed value is set for property tax purposes and is not a market price estimate.

Flood

FEMA maps place 642 Ashbourne Dr in Zone X, an area of moderate flood risk, within 500 ft of a high-risk flood zone.

Source: FEMA National Flood Hazard Layer, effective January 18, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood ZoneZone X
moderate risk
500-Year FloodplainYes
0.2% annual chance
Nearest Special Flood Hazard AreaZone AO, within 500 ft
Flood Insurance RequirementNot required
lenders may require it
Flood Insurance CostPremium on File
median of 14 policies
Community Rating SystemClass 7 (15% premium discount)
Nearby Flood Policies14 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

The area around 642 Ashbourne Dr has no burnable land within ember reach, so its wildfire risk is not rated.

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

Wildfire RiskNot rated
no burnable land within 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 SystemCITY OF SUNNYVALE
serves 157,566 people · EPA ID CA4310014
Water SourcePurchased surface water from several systems
Last State InspectionSep 2024
LeadUnder 1 ppb (2023–2025)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and Reporting63
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 736 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Xfinity
Cable		2,000 / 250
Etheric Networks
Fixed Wireless		250 / 100
Ridge Wireless
Fixed Wireless		100 / 60
T-Mobile
Fixed Wireless		100 / 20
AT&T
DSL · Fiber in parts of the area		100 / 20

May also be available: GeoLinks.

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