433 E Duane Ave, Sunnyvale, CA 94085 Property Records

Santa Clara County property record for 433 E Duane Ave, Sunnyvale, CA 94085 · Last verified August 2026

Property Summary

Property Type	Single Family Home
Details	3 bd · 1 ba · 1,044 sqft · built 1950
Lot Size	0.139 acres (6,050 sqft)
Owner	Individual Name on File
Last Sale	$220,000 (Apr 1996)
Tax Bill	$4,555 (2025)
Deeds & Mortgages	Sep 2017 Mortgage
Flood Zone	Zone X (reduced by levee)
APN	`204-16-005`

Property Details

APN / Parcel Number

Primary APN	`204-16-005`

Interior

Bedrooms	3 Beds
Full Baths	1 Bath
Total Rooms	5 Rooms
Stories	1 Story
Building Area	1,044 sqft Living Area
1st Floor Area	1,044 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1950
Effective Year Built	Effective 1950
Architectural Style	L-Shape
Construction Type	Wood
Lot Area	6,050 sqft (0.139 acres)
Lot Dimensions	110 ft deep x 55 ft wide
Garage Area	396 sqft
Parking Spaces	1 Parking Space
Porch	None

Utilities, Heating & Cooling

Heating System	HVAC

Location & Zoning

Street Address	433 E DUANE AVE
City	SUNNYVALE
State	CA
Zip	94085-3705
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	TRACT 647 SUNNYVALE MANOR ADD NO 1 BOOK 24 PAGE 41 LOT 50
Legal Subdivision	SUNNYVALE MANOR ADD
Legal Tract	647
Legal Lot Number	50
Jurisdiction	SANTA CLARA CA
Township / Civil Division	SAN JOSE
Census Block Group	1
Census Block	1017
Census Tract	509002

Owner

Source: Santa Clara County records · APN 204-16-005

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 Record	Individual Name on File
Mailing Address	433 E DUANE AVE, SUNNYVALE, CA 94085-3705
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Sale	Apr 18, 1996 · Amount on Record
Deed Sale	Apr 18, 1996 · Amount on Record
Deed Document Number	199613263786
Deed Book / Page	292 / 1605
Last Transfer Date	Apr 09, 2004
Transfer Doc	0017723992
Record Updated	Sep 20, 2026

September 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SANTA CLARA CA
Property Address	433 E DUANE AVE, SUNNYVALE, CA 94085-3705
Document Number	0023776498
Instrument Date	Sep 23, 2017
Transaction Type	Mortgage
Record Updated	Oct 27, 2017

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	433 E DUANE AVE SUNNYVALE CA 940853705, SUNNYVALE, CA 94085-3705

Mortgage

Document Number	0023776498
Date	Oct 16, 2017
Instrument	23776498

Lender

Name	MR COOPER
Address	DALLAS, TX 75019

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Oct 15, 2047

Tax Assessment & Valuation

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

Property Jurisdictions

Type	Name
State	California
County	Santa Clara County
Municipality	Sunnyvale City
Secondary School District	Fremont Union High School District (09 - 12)
Elementary School District	Sunnyvale Elementary School District (KG - 08)

Tax Bill & Assessment History

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

Year	Tax Bill	Assessed Value
2026		$372,758 (+2%) Land $254,160 Building $118,598
2025	$4,555.00 (+4.54%)	$365,450 (+4.04%) Land $249,177 Building $116,273
2023	$4,357.00 (+1.47%)	$351,261 Land $239,502 Building $111,759
2022	$4,294.00

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 Zone	Zone X
Special Flood Hazard Area	No
Flood Hazard	Reduced by levee depends on levee performance
500-Year Floodplain	No

Wildfire

Wildfire Risk	Not rated no burnable land in reach
Wildfire Likelihood	Negligible
Exposure	None 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

Provider	Technology	Download / Upload (Mbps)
AT&T	Fiber	5,000 / 5,000
Xfinity	Cable	2,000 / 250
Verizon	Fixed Wireless	300 / 20
Etheric Communications, LLC.	Fixed Wireless (licensed-by-rule)	250 / 100
T-Mobile USA	Fixed Wireless	100 / 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.