445 E Duane Ave, Sunnyvale, CA 94085 Property Records

Santa Clara County property record for 445 E Duane Ave, Sunnyvale, CA 94085 · Last verified August 2026

Property Summary

Property TypeSingle Family Home
Details3 bd · 1 ba · 1,044 sqft · built 1950
Lot Size0.139 acres (6,050 sqft)
OwnerIndividual Name on File
Last Sale$1,460,000 (Jul 2024)
Tax Bill$17,394 (2025)
Flood ZoneZone X (reduced by levee)
APN204-16-003

Property Details

APN / Parcel Number

Primary APN204-16-003

Interior

Bedrooms3 Beds
Full Baths1 Bath
Total Rooms5 Rooms
Stories1 Story
Building Area1,044 sqft Living Area
1st Floor Area1,044 sqft
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1950
Effective Year BuiltEffective 1950
Architectural StyleL-Shape
Construction TypeWood
Lot Area6,050 sqft (0.139 acres)
Lot Dimensions110 ft deep x 55 ft wide
Garage Area396 sqft
Parking Spaces1 Parking Space
PorchNone

Utilities, Heating & Cooling

Heating SystemHVAC

Location & Zoning

Street Address445 E DUANE AVE
CitySUNNYVALE
StateCA
Zip94085-3705
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionTRACT 647 SUNNYVALE MANOR ADD NO 1 BOOK 24 PAGE 41 LOT 48
Legal SubdivisionSUNNYVALE MANOR ADD
Legal Tract647
Legal Lot Number48
JurisdictionSANTA CLARA CA
Township / Civil DivisionSAN JOSE
Census Block Group1
Census Block1017
Census Tract509002

Owner

Source: Santa Clara County records · APN 204-16-003

Assessment roll updated July 27, 2026 · Last verified August 2026

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

Owner of RecordIndividual Name on File
Mailing Address1149 FERNWOOD DR, MILLBRAE, CA 94030-1011
Owner TypeIndividual
VestingSingle Man

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesVerified Name on Deed
Last SaleJul 15, 2024 · Amount on Record
Deed SaleJul 15, 2024 · Amount on Record
Deed Document Number202425663783
Prior Transfer DateOct 09, 2007
Prior Transfer Doc0019624812
Record UpdatedSep 20, 2026

Tax Assessment & Valuation

Source: Santa Clara County records · Assessment roll updated July 27, 2026 · Last verified August 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

Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.

YearTax BillAssessed Value
2026$1,489,200 (+2%) Land $1,326,000 Building $163,200
2025$17,394.00 (+1,685.83%)$1,460,000 (+2,049.52%) Land $1,300,000 Building $160,000
2023$974.00 (+0.93%) Homeowner's exemption$67,922 Land $23,505 Building $44,417
2022$965.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Santa Clara County (06085C), updated January 18, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood ZoneZone X
Special Flood Hazard AreaNo
Flood HazardReduced by levee
depends on levee performance
500-Year FloodplainNo

Wildfire

Wildfire RiskNot rated
no burnable land in reach
Wildfire LikelihoodNegligible
ExposureNone
beyond ember reach

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

Internet Providers

Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 840 locations within about half a mile of this property

ProviderTechnologyDownload / Upload (Mbps)
AT&TFiber5,000 / 5,000
XfinityCable2,000 / 250
VerizonFixed Wireless300 / 20
Etheric Communications, LLC.Fixed Wireless (licensed-by-rule)250 / 100
T-Mobile USAFixed Wireless100 / 20

May also be available at this address: AT&T, Sail Internet Holdings, California Internet. Availability varies by address; speeds are provider-advertised maximums, not measured.

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