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371 E Duane Ave, Sunnyvale, CA 94085 Property Records

Santa Clara County property record for 371 E Duane Ave, Sunnyvale, CA 94085

Property Summary

Property TypeSingle Family Home
Details3 bd · 2 ba · 1,832 sqft · built 1949
Lot Size0.131 acres (5,720 sqft)
Owner2 Individual Names on Record
Last Sale$515,000 (Sep 2002)
Tax Bill$9,013 (2025)
Deeds & MortgagesFeb 2024 Transfer
Feb 2024 Transfer
Flood ZoneZone X (reduced by levee)
APN204-19-027

Property Details

APN / Parcel Number

Primary APN204-19-027

Interior

Bedrooms3 Beds
Full Baths2 Baths
Total Rooms6 Rooms
Stories1 Story
Building Area1,832 sqft Living Area
1st Floor Area1,832 sqft
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1949
Effective Year BuiltEffective 1949
Architectural StyleL-Shape
Construction TypeWood
Lot Area5,720 sqft (0.131 acres)
Lot Dimensions110 ft deep x 52 ft wide
Garage Area346 sqft
Parking Spaces1 Parking Space
PorchPorch

Utilities, Heating & Cooling

Heating SystemHVAC

Location & Zoning

Street Address371 E DUANE AVE
CitySUNNYVALE
StateCA
Zip94085-3615
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR0
Legal DescriptionTRACT 371 SUNNYVALE MANOR BOOK 13 PAGE 53 LOT 93
Legal SubdivisionSUNNYVALE MANOR
Legal Tract371
Legal Lot Number93
JurisdictionSANTA CLARA CA
Township / Civil DivisionSAN JOSE
Census Block Group2
Census Block2007
Census Tract509001

Owner

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

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

Owner of Record2 Individual Names on Record
Mailing Address371 E DUANE AVE, SUNNYVALE, CA 94085-3615
OccupancyOwner Occupied
Owner TypeIndividual

Deeds, Mortgages & Sale History

DateDocument
Feb 9, 2024Affidavit of Death of Joint Tenant, Transfer
Feb 9, 2024Transfer on Death Deed, Transfer

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleSep 20, 2002 · Amount on Record
Deed SaleSep 20, 2002 · Amount on Record
Prior SaleSep 30, 1997 · Amount on Record
Deed Document Number200216489579
Last Transfer DateFeb 8, 2024
Transfer Doc0025596946
Record UpdatedSep 20, 2026

February 2024: Affidavit of Death of Joint Tenant, Transfer

Document TypeAffidavit of Death of Joint Tenant
JurisdictionSANTA CLARA CA
Recording DateFeb 9, 2024
Property Address371 E DUANE AVE, SUNNYVALE, CA 94085-3615
Document Number0025596945
Map ReferenceMB 13 PG 53
Instrument DateFeb 8, 2024
Instrument25596945
Transaction TypeTransfer
Record UpdatedFeb 20, 2024

Transaction

Tax$0.00
Amount AccuracyNo Consideration Stated
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address371 E DUANE AVE, SUNNYVALE, CA 94085-3615

February 2024: Transfer on Death Deed, Transfer

Document TypeTransfer on Death Deed
JurisdictionSANTA CLARA CA
Recording DateFeb 9, 2024
Property Address371 E DUANE AVE, SUNNYVALE, CA 94085-3615
Document Number0025596946
Map ReferenceMB 13 PG 53
Instrument DateFeb 8, 2024
Instrument25596946
Transaction TypeTransfer
Record UpdatedFeb 20, 2024

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name
Address371 E DUANE AVE, SUNNYVALE, CA 94085-3615

Transferred To (Grantee/Buyer)

NameVerified Name
Address371 E DUANE AVE, SUNNYVALE, CA 94085-3615

Tax Assessment & Valuation

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

Property Jurisdictions

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

Tax Bill & Assessment History

YearTax BillAssessed Value
2026$760,421 (+2%) Land $380,097 Building $380,324
2025$9,013.00 (+5.64%)$745,512 (+4.04%) Land $372,645 Building $372,867
2023$8,532.00 (+1.58%) Homeowner's exemption$716,565 Land $358,176 Building $358,389
2022$8,399.00

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

Flood

Source: FEMA National Flood Hazard Layer, effective January 18, 2026

FEMA Flood ZoneZone X
reduced by levee · depends on levee performance
Flood Insurance RequirementNot required
lenders may require it

Values are read at the parcel center point; lenders make the official flood determination.

Wildfire

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 840 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
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
Etheric Networks
Fixed Wireless		250 / 100
T-Mobile
Fixed Wireless		100 / 20

May also be available: GeoLinks, Sail Internet.

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