840 E Duane Ave, Unit 1, Sunnyvale, CA 94085 Property Records

Santa Clara County property record for 840 E Duane Ave, Unit 1, Sunnyvale, CA 94085

Property Summary

Property TypeCondominium
Details3 bd · 4 ba · 1,663 sqft · built 2019
Lot Size0.039 acres (1,716 sqft)
Owner2 Individual Names on Record
Last Sale$1,390,000 (May 2019)
Tax Bill$18,329 (2025)
Deeds & MortgagesAug 2021 Mortgage
Flood ZoneZone AO (high risk)
APN205-68-078

Property Details

APN / Parcel Number

Primary APN205-68-078

Interior

Bedrooms3 Beds
Full Baths4 Baths
Total Rooms6 Rooms
Stories3 Stories
Building Area1,663 sqft Living Area
1st Floor Area291 sqft
2nd Floor Area724 sqft
Upper Floors Area648 sqft

Exterior

Year BuiltBuilt 2019
Architectural StyleOther
Construction TypeWood
Lot Area1,716 sqft (0.039 acres)
Garage Area433 sqft
Parking Spaces2 Parking Spaces

Utilities, Heating & Cooling

Cooling SystemHVAC
Heating SystemHVAC

Location & Zoning

Street Address840 E DUANE AVE UNIT 1, 1
CitySUNNYVALE
StateCA
Zip94085-4543
Property CategoryResidential
Property TypeResidential > Condominium / Townhouse > Condominium
Local Zoning CodeMS
Legal DescriptionTR 10358 LOT 1 UNIT 0209
Legal Tract10358
Legal Lot Number1
JurisdictionSANTA CLARA CA
Township / Civil DivisionSAN JOSE
Census Block Group1
Census Block1031
Census Tract508708

Owner

Source: Santa Clara County records, as of October 20, 2025

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 Address840 E DUANE AVE UNIT 1, 1, SUNNYVALE, CA 94085-4543
OccupancyOwner Occupied
Owner TypeIndividual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleMay 23, 2019 · Amount on Record
Deed SaleMay 23, 2019 · Amount on Record
Deed Document Number24187228
Record UpdatedJun 8, 2026

August 2021: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionSANTA CLARA CA
Property Address840 E DUANE AVE UNIT 1, 1, SUNNYVALE, CA 94085-4543
Transaction TypeMortgage
Record UpdatedAug 16, 2021
Title CompanyWFG TITLE INSURANCE COMPANY, WFG TITLE INS CO SAN DIEGO

Transferred To (Grantee/Buyer)

NameVerified Name
Address840 E DUANE AVE 1, 1, SUNNYVALE, CA 94085-4543

Mortgage

Document Number0025054963
DateAug 5, 2021
Instrument25054963
Lender
NameSAN DIEGO COUNTY CU
TypeCredit Union
AddressSAN DIEGO, CA 92196
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term360 Months
DueAug 1, 2051
Interest
Rate TypeAdjustable Rate
Rate2.5%
Type Change DateAug 1, 2026
Change Frequency5 Years
Min Rate At Change2.75%
Max Rate At Change4.5%
Index5-Year CMT
Max Rate7.5%

Tax Assessment & Valuation

Source: Santa Clara County assessment roll, as of July 1, 2025

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
2025$18,329.00 (+4.71%) Homeowner's exemption$1,550,566 (+4.04%) Land $775,283 Building $775,283
2023$17,505.00 (+1.61%) Homeowner's exemption$1,490,358 Land $745,179 Building $745,179
2022$17,228.00

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 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood ZoneZone AO
high risk · sheet flow 1–3 ft
100-Year FloodplainYes
1% annual chance
FloodwayNo
Base Flood ElevationVaries along the reach; see FIRM
Flood Insurance RequirementRequired
federally backed loans
Flood Insurance CostPremium on Record
median of 10 individual policies
Community Rating SystemClass 7 (15% premium discount)
Nearby Flood Policies14 units insured
incl. 4 condo units

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 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 814 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 · Fiber in parts of the area
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.

Nearby Properties on E Duane Ave

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