666 Ashbourne Dr, Sunnyvale, CA 94087 Property Records

Santa Clara County property record for 666 Ashbourne Dr, Sunnyvale, CA 94087

Property Summary

Property Type	Single Family Home
Details	4 bd · 2.5 ba · 1,671 sqft · built 1963
Lot Size	0.138 acres (6,000 sqft)
Owner	2 Companies on Record
Last Sale	$2,713,000 (Apr 2026)
Tax Bill	$1,377 (2025)
Deeds & Mortgages	Apr 2026 Transfer Apr 2026 Sale & Mortgage
Flood Zone	Zone X (moderate risk)
APN	`309-05-028`

Property Details

APN / Parcel Number

Primary APN	`309-05-028`

Interior

Bedrooms	4 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	8 Rooms
Stories	1 Story
Building Area	1,671 sqft Living Area
1st Floor Area	1,671 sqft
Family Room	Family Room
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1963
Effective Year Built	Effective 1963
Architectural Style	L-Shape
Construction Type	Wood
Lot Area	6,000 sqft (0.138 acres)
Lot Dimensions	100 ft deep x 60 ft wide
Garage Area	441 sqft
Parking Spaces	2 Parking Spaces
Porch	None

Utilities, Heating & Cooling

Heating System	HVAC

Location & Zoning

Street Address	666 ASHBOURNE DR
City	SUNNYVALE
State	CA
Zip	94087-3415
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R0
Legal Description	TRACT 3578 GREENTREE ANNEX BOOK 166 PAGE 34 LOT 17
Legal Subdivision	GREENTREE ANNEX
Legal Tract	3578
Legal Lot Number	17
Jurisdiction	SANTA CLARA CA
Township / Civil Division	SAN JOSE
Census Block Group	1
Census Block	1003
Census Tract	508203

Owner

Source: Santa Clara County assessment roll, 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 Record	2 Companies on Record
Mailing Address	1274 W FREMONT TER, SUNNYVALE, CA 94087-2309
Owner Type	Company
Vesting	Trust, Family Trust

Deeds, Mortgages & Sale History

Date	Document
Apr 30, 2026	Affidavit of Death of Trustee, Transfer
Apr 30, 2026	Grant Deed, Transfer · Conventional Mortgage P N C BANK NA

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Apr 30, 2026 · Amount on Record
Deed Sale	Apr 30, 2026 · Amount on Record
Deed Document Number	202625981051
Prior Transfer Date	Jun 6, 2011
Prior Transfer Doc	0021208849
Record Updated	Sep 20, 2026

April 2026: Affidavit of Death of Trustee, Transfer

Document Type	Affidavit of Death of Trustee
Jurisdiction	SANTA CLARA CA
Recording Date	Apr 30, 2026
Property Address	666 ASHBOURNE DR, SUNNYVALE, CA 94087-3415
Document Number	0025981050
Instrument Date	Apr 23, 2026
Instrument	202625981050
Transaction Type	Transfer
Record Updated	Jul 12, 2026

Transaction

Tax	$0.00
Amount Accuracy	Full Amount Stated

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Family Trust
Address	1274 W FREMONT TER, SUNNYVALE, CA 94087-2309

April 2026: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SANTA CLARA CA
Recording Date	Apr 30, 2026
Property Address	666 ASHBOURNE DR, SUNNYVALE, CA 94087-3415
Document Number	0025981051
Instrument Date	Apr 8, 2026
Instrument	2026.25981051
Transaction Type	Transfer
Record Updated	May 7, 2026
Title Company	CORNERSTONE TITLE COMPANY

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$301,414.30
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Family Revocable Trust
Address	666 ASHBOURNE DR, SUNNYVALE, CA 94087-3415

Mortgage

Document Number	0025981052,
Date	Apr 30, 2026
Instrument	2026.25981052

Lender

Name	P N C BANK NA

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	May 1, 2056

Interest

Rate Type	Adjustable Rate
Rate	5.63%
Initial Type	Adjustable Rate
Adjustable	Adjustable Rate Rider
Max Rate	-1%

Tax Assessment & Valuation

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

Property Jurisdictions

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

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$109,686 (+2%) Land $32,487 Building $77,199
2025	$1,377.00 (+2.61%) Homeowner's exemption	$107,536 (+4.04%) Land $31,850 Building $75,686
2024	$1,342.00 (+0.98%)
2023	$1,329.00 (-14.7%) Homeowner's exemption	$103,362 Land $30,614 Building $72,748
2022	$1,558.00

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.

Flood

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

FEMA Flood Zone	Zone X moderate risk
500-Year Floodplain	Yes 0.2% annual chance
Nearest Special Flood Hazard Area	Zone AO, within 100 ft
Flood Insurance Requirement	Not required lenders may require it
Flood Insurance Cost	Premium on Record median of 14 policies
Community Rating System	Class 7 (15% premium discount)
Nearby Flood Policies	14 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

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

Wildfire Risk	Not 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 System	CITY OF SUNNYVALE serves 157,566 people · EPA ID CA4310014
Water Source	Purchased surface water from several systems
Last State Inspection	Sep 2024
Lead	Under 1 ppb (2023–2025) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	63 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

Provider	Max 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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