1621 Bittern Dr, Sunnyvale, CA 94087 Property Records

Santa Clara County property record for 1621 Bittern Dr, Sunnyvale, CA 94087

Property Summary

Property Type	Single Family Home
Details	5 bd · 3.5 ba · 2,644 sqft · built 1963
Lot Size	0.145 acres (6,300 sqft)
Owner	Company Name on Record
Last Sale	$1,035,000 (Mar 2012)
Tax Bill	$15,305 (2025)
Deeds & Mortgages	Oct 2021 Mortgage Mar 2020 Mortgage
Flood Zone	Zone X (moderate risk)
APN	`309-40-043`

Property Details

APN / Parcel Number

Primary APN	`309-40-043`

Interior

Bedrooms	5 Beds
Full Baths	3.5 Baths
Half Baths	1 Half Bath
Total Rooms	8 Rooms
Stories	2 Stories
Building Area	2,644 sqft Living Area
1st Floor Area	1,080 sqft
2nd Floor Area	836 sqft
Basement Area	728 sqft

Exterior

Year Built	Built 1963
Effective Year Built	Effective 1963
Architectural Style	L-Shape
Construction Type	Wood
Lot Area	6,300 sqft (0.145 acres)
Lot Dimensions	100 ft deep x 63 ft wide
Garage Area	440 sqft
Parking Spaces	2 Parking Spaces
Porch	Porch

Utilities, Heating & Cooling

Heating System	HVAC

Location & Zoning

Street Address	1621 BITTERN DR
City	SUNNYVALE
State	CA
Zip	94087-4605
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R0
Legal Description	TRACT 3575 BERKELEY ESTATES BOOK 167 PAGE 54 LOT 64
Legal Subdivision	BERKELEY ESTATES
Legal Tract	3575
Legal Lot Number	64
Jurisdiction	SANTA CLARA CA
Township / Civil Division	SAN JOSE
Census Block Group	3
Census Block	3010
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	Company Name on Record
Mailing Address	1621 BITTERN DR, SUNNYVALE, CA 94087-4605
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Date	Document
Oct 4, 2021	Deed of Trust, Mortgage · Conventional Mortgage QUICKEN LOANS LLC
Mar 28, 2020	Deed of Trust, Mortgage · Conventional Mortgage QUICKEN LNS

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Mar 20, 2012 · Amount on Record
Deed Sale	Mar 20, 2012 · Amount on Record
Deed Document Number	201221587138
Last Transfer Date	Jan 18, 2014
Transfer Doc	0022505662
Record Updated	Oct 29, 2026

October 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SANTA CLARA CA
Property Address	1621 BITTERN DR, SUNNYVALE, CA 94087-4605
Transaction Type	Mortgage
Record Updated	Jul 25, 2022
Title Company	AMROCK INC

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	1621 BITTERN DR, SUNNYVALE, CA 94087-4605

Mortgage

Document Number	0025121156
Date	Oct 4, 2021
Instrument	25121156

Lender

Name	QUICKEN LOANS LLC
Type	Mortgage Company
Address	DETROIT, MI 48226

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	174 Months
Due	Apr 1, 2036

March 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SANTA CLARA CA
Property Address	1621 BITTERN DR, SUNNYVALE, CA 94087-4605
Document Number	0024489889
Instrument Date	Mar 28, 2020
Transaction Type	Mortgage
Record Updated	Jun 9, 2020
Title Company	OTHER

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	1621 BITTERN DR SUNNYVALE CA 940874605, SUNNYVALE, CA 94087-4605

Mortgage

Document Number	0024489889
Date	May 28, 2020
Instrument	24489889

Lender

Name	QUICKEN LNS
Type	Funding / Finance Company
Address	DETROIT, MI 48226-1906

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	240 Months
Due	May 27, 2040

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		$1,326,005 (+2%) Land $861,841 Building $464,164
2025	$15,305.00 (+3.53%)	$1,300,006 (+4.04%) Land $844,943 Building $455,063
2023	$14,783.00 (+0.39%)	$1,249,528 Land $812,134 Building $437,394
2022	$14,726.00

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	3 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 720 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 2,000
Verizon Fixed Wireless	1,000 / 75
Etheric Networks Fixed Wireless	250 / 100
Ridge Wireless Fixed Wireless	100 / 60
T-Mobile Fixed Wireless	100 / 20
AT&T DSL · Fiber, Fixed Wireless in parts of the area	100 / 20

May also be available: GeoLinks, Sail Internet.

Nearby Properties on Bittern Dr

Nearby Streets

Search Property Records by Address or Parcel Number

Search by:

By searching, you agree to: Terms • Privacy • Disclosures