959 Heatherstone Ave, Sunnyvale, CA 94087 Property Records

Santa Clara County property record for 959 Heatherstone Ave, Sunnyvale, CA 94087

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 2,041 sqft · built 1954
Lot Size	0.158 acres (6,864 sqft)
Owner	2 Company Names on Record
Last Sale	$2,430,000 (Aug 2019)
Tax Bill	$31,463 (2025)
Deeds & Mortgages	Aug 2019 Sale & Mortgage Jun 2017 Transfer
Flood Zone	Zone X (moderate risk)
APN	`201-15-043`

Property Details

APN / Parcel Number

Primary APN	`201-15-043`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	7 Rooms
Stories	1 Story
Building Area	2,041 sqft Living Area
Gross Area	1,751 sqft
1st Floor Area	1,751 sqft
Family Room	Family Room
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1954
Effective Year Built	Effective 1980
Architectural Style	Custom Design
Construction Type	Wood
Lot Area	6,864 sqft (0.158 acres)
Lot Dimensions	104 ft deep x 66 ft wide
Garage Type	Carport
Garage Area	379 sqft
Carport	Carport
Carport Area	379 sqft
Parking Spaces	1 Parking Space
Pool Type	Pool with Hot Tub/Spa
Pool Area	1,500 sqft
Porch	Porch

Utilities, Heating & Cooling

Heating System	HVAC

Location & Zoning

Street Address	959 HEATHERSTONE AVE
City	SUNNYVALE
State	CA
Zip	94087-1139
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R0
Legal Description	TRACT 1341 WESTMOOR VILLAGE BOOK 51 PAGE 38 LOT 123
Legal Subdivision	WESTMOOR VILLAGE
Legal Tract	1341
Legal Lot Number	123
Jurisdiction	SANTA CLARA CA
Township / Civil Division	SAN JOSE
Census Block Group	1
Census Block	1008
Census Tract	508404

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 Record	2 Company Names on Record
Mailing Address	959 HEATHERSTONE AVE, SUNNYVALE, CA 94087-1139
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust, Revocable Trust

Deeds, Mortgages & Sale History

Date	Document
Aug 19, 2019	Grant Deed, Transfer · Conventional Mortgage WELLS FARGO BANK NA
Jun 16, 2017	Affidavit of Death, Transfer ATTORNEY ONLY

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Aug 19, 2019 · Amount on Record
Deed Sale	Aug 19, 2019 · Amount on Record
Deed Document Number	201924258557
Last Transfer Date	May 30, 2024
Transfer Doc	0025654076
Record Updated	Sep 20, 2026

August 2019: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SANTA CLARA CA
Recording Date	Aug 19, 2019
Property Address	959 HEATHERSTONE AVE, SUNNYVALE, CA 94087-1139
Document Number	0024258557
Map Reference	MB 51 PG 38
Instrument Date	Jul 24, 2019
Instrument	24258557
Transaction Type	Transfer
Record Updated	Sep 1, 2021
Title Company	CHICAGO TITLE COMPANY

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$0.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property with Right of Survivorship
Address	959 HEATHERSTONE AVE, SUNNYVALE, CA 94087-1139

Mortgage

Document Number	0024258558
Date	Aug 19, 2019
Instrument	24258558

Lender

Name	WELLS FARGO BANK NA
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Sep 1, 2049

June 2017: Affidavit of Death, Transfer

Document Type	Affidavit of Death
Jurisdiction	SANTA CLARA CA
Recording Date	Jun 16, 2017
Property Address	959 HEATHERSTONE AVE, SUNNYVALE, CA 94087-1139
Document Number	0023676002
Instrument Date	Jun 16, 2017
Instrument	23676002
Transaction Type	Transfer
Record Updated	Jun 26, 2017
Title Company	ATTORNEY ONLY

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	959 HEATHERSTONE AVE SUNNYVALE CA 940871139, SUNNYVALE, CA 94087-1139

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
Secondary School District	Fremont Union High School District (09 - 12)
Elementary School District	Sunnyvale Elementary School District (KG - 08)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$2,710,706 (+2%) Land $2,231,036 Building $479,670
2025	$31,463.00 (+4.99%)	$2,657,556 (+4.04%) Land $2,187,291 Building $470,265
2023	$29,968.00 (+1.66%) Homeowner's exemption	$2,554,361 Land $2,102,356 Building $452,005
2022	$29,478.00

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 Zone	Zone X moderate risk
500-Year Floodplain	Yes 0.2% annual chance
Flood Insurance Requirement	Not 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 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 713 locations within half a mile, as of December 31, 2025

Provider	Max 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.

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