1439 Bittern Dr, Sunnyvale, CA 94087 Property Records

Santa Clara County property record for 1439 Bittern Dr, Sunnyvale, CA 94087

Property Summary

Property Type	Single Family Home
Details	4 bd · 2 ba · 1,770 sqft · built 1966
Lot Size	0.125 acres (5,428 sqft)
Owner	2 Individual Names on Record
Last Sale	$2,880,000 (Jul 2023)
Tax Bill	$34,142 (2025)
Deeds & Mortgages	Jul 2023 Sale & Mortgage May 2023 Sale & Mortgage + 1 more
Flood Zone	Zone X (moderate risk)
APN	`309-24-005`

Property Details

APN / Parcel Number

Primary APN	`309-24-005`

Interior

Bedrooms	4 Beds
Full Baths	2 Baths
Total Rooms	7 Rooms
Stories	1 Story
Building Area	1,770 sqft Living Area
1st Floor Area	1,770 sqft
Family Room	Family Room
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1966
Effective Year Built	Effective 1966
Architectural Style	L-Shape
Construction Type	Wood
Lot Area	5,428 sqft (0.125 acres)
Lot Dimensions	92 ft deep x 59 ft wide
Garage Area	446 sqft
Parking Spaces	2 Parking Spaces
Pool Type	Pool with Hot Tub/Spa
Porch	None

Utilities, Heating & Cooling

Heating System	HVAC

Location & Zoning

Street Address	1439 BITTERN DR
City	SUNNYVALE
State	CA
Zip	94087-3208
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R0
Legal Description	TRACT 4023 NEWCASTLE BOOK 197 PAGE 18 LOT 6
Legal Subdivision	NEWCASTLE
Legal Tract	4023
Legal Lot Number	6
Jurisdiction	SANTA CLARA CA
Township / Civil Division	SAN JOSE
Census Block Group	2
Census Block	2007
Census Tract	508203

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 Individual Names on Record
Mailing Address	1439 BITTERN DR, SUNNYVALE, CA 94087-3208
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Community Property

Deeds, Mortgages & Sale History

Date	Document
Jul 25, 2023	Grant Deed, Transfer · Conventional Mortgage BANK OF AMERICA NA
May 3, 2023	Grant Deed, Transfer · Conventional Mortgage FAIRWAY INDEPENDENT MORTGAGE CORP
Aug 17, 2022	Intrafamily Transfer, Transfer

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jul 25, 2023 · Amount on Record
Deed Sale	Jul 25, 2023 · Amount on Record
Prior Sale	May 3, 2023 · Amount on Record
Deed Document Number	202325505110
Prior Transfer Date	Nov 3, 2022
Prior Transfer Doc	0025399076
Record Updated	Sep 20, 2026

July 2023: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SANTA CLARA CA
Recording Date	Jul 25, 2023
Property Address	1439 BITTERN DR, SUNNYVALE, CA 94087-3208
Document Number	0025505110
Map Reference	MB 197 PG 18
Instrument Date	Jul 19, 2023
Instrument	25505110
Transaction Type	Transfer
Record Updated	Aug 3, 2023
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	1439 BITTERN DR, SUNNYVALE, CA 94087-3208

Mortgage

Document Number	0025505111
Date	Jul 25, 2023
Instrument	25505111

Lender

Name	BANK OF AMERICA NA
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Aug 1, 2053

Interest

Rate Type	Adjustable Rate
Rate	5.37%
Type Change Date	Aug 1, 2033
Change Frequency	6 Months
Min Rate At Change	2.5%
Max Rate At Change	10.3%
Max Rate	10.3%

May 2023: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	SANTA CLARA CA
Recording Date	May 3, 2023
Property Address	1439 BITTERN DR, SUNNYVALE, CA 94087-3208
Document Number	0025469837
Map Reference	MB 197 PG 18
Instrument Date	Apr 28, 2023
Instrument	25469837
Transaction Type	Transfer
Record Updated	May 12, 2023
Title Company	OLD REPUBLIC TITLE, OLD REPUBLIC 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	15390 SKYVIEW TER, SAN JOSE, CA 95132-3042

Mortgage

Document Number	0025469838
Date	May 3, 2023
Instrument	25469838

Lender

Name	FAIRWAY INDEPENDENT MORTGAGE CORP
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Jun 1, 2053

August 2022: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	SANTA CLARA CA
Recording Date	Aug 17, 2022
Property Address	1439 BITTERN DR, SUNNYVALE, CA 94087-3208
Document Number	0025359743
Map Reference	MB 197 PG 18
Instrument Date	Jul 21, 2022
Instrument	25359743
Transaction Type	Transfer
Record Updated	Jun 7, 2023

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Family Trust
Address	1439 BITTERN DR, SUNNYVALE, CA 94087-3208

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		$2,996,352 (+2%) Land $2,340,900 Building $655,452
2025	$34,142.00 (+2.79%)	$2,937,600 (+28%) Land $2,295,000 Building $642,600
2024	$33,215.00 (+23.55%)
2023	$26,883.00 (+1,988.81%)	$2,295,000 Land $2,111,400 Building $183,600
2022	$1,287.00

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 Zone	Zone X moderate risk
500-Year Floodplain	Yes 0.2% annual chance
Flood Insurance Requirement	Not required lenders may require it
Community Rating System	Class 7 (15% premium discount)
Nearby Flood Policies	2 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 787 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
AT&T Fixed Wireless · DSL · Fiber in parts of the area	100 / 20
T-Mobile Fixed Wireless	100 / 20

May also be available: GeoLinks.

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