4338 Circle Ave, Castro Valley, CA 94546 Property Records

Alameda County property record for 4338 Circle Ave, Castro Valley, CA 94546

Property Summary

Property Type	Single Family Home
Details	2 bd · 1 ba · 1,050 sqft · built 1953
Lot Size	0.118 acres (5,130 sqft)
Owner	2 Individual Names on Record
Last Sale	$192,500 (Jun 1994)
Tax Bill	$4,647 (2025)
Deeds & Mortgages	Aug 2018 Line of Credit Dec 2017 Transfer
Flood Zone	Zone X (minimal risk)
APN	`84C-676-8`

Property Details

APN / Parcel Number

Primary APN	`84C-676-8`
Alternative APN	`084C-0676-008-00`

Interior

Bedrooms	2 Beds
Full Baths	1 Bath
Total Rooms	6 Rooms
Stories	1 Story
Building Area	1,050 sqft Living Area

Exterior

Year Built	Built 1953
Effective Year Built	Effective 1954
Architectural Style	L-Shape
Construction Type	Wood
Lot Area	5,130 sqft (0.118 acres)

Location & Zoning

Street Address	4338 CIRCLE AVE
City	CASTRO VALLEY
State	CA
Zip	94546-4648
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT: 00007 BLK: 0001 TR: 1162
Legal Subdivision	TR 1162
Legal Tract	1162
Legal Block	1
Legal Lot Number	7
Jurisdiction	ALAMEDA CA
Township / Civil Division	HAYWARD
Census Block Group	2
Census Block	2004
Census Tract	430800

Owner

Source: Alameda County records, as of August 5, 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	4338 CIRCLE AVE, CASTRO VALLEY, CA 94546-4648
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Aug 4, 2018	Deed of Trust, Mortgage · Line of Credit US BK
Dec 13, 2017	Affidavit of Death, Transfer FIRST AMERICAN TITLE

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jun 29, 1994 · Amount on Record
Deed Sale	Jun 29, 1994 · Amount on Record
Prior Sale	Feb 10, 1994 · Amount on Record
Deed Document Number	1994238590
Prior Transfer Date	Feb 8, 1994
Prior Transfer Doc	0000057961
Record Updated	Oct 29, 2026

August 2018: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ALAMEDA CA
Property Address	4338 CIRCLE AVE, CASTRO VALLEY, CA 94546-4648
Document Number	0000165369
Instrument Date	Aug 4, 2018
Transaction Type	Mortgage
Record Updated	Sep 13, 2018
Title Company	TITLE SERVICE AND LIAISON COMPANIES

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	4338 CIRCLE AVE CASTRO VALLEY CA 945464648, CASTRO VALLEY, CA 94546-4648

Mortgage

Document Number	0000165369
Date	Aug 23, 2018
Instrument	165369

Lender

Name	US BK
Type	Bank
Address	CINCINNATI, OH 45202

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	360 Months
Due	Aug 22, 2048

Interest

Rate Type	Adjustable Rate

December 2017: Affidavit of Death, Transfer

Document Type	Affidavit of Death
Jurisdiction	ALAMEDA CA
Recording Date	Dec 13, 2017
Property Address	4338 CIRCLE AVE, CASTRO VALLEY, CA 94546-4648
Document Number	0000274054
Instrument Date	Dec 11, 2017
Instrument	274054
Transaction Type	Transfer
Record Updated	Jan 8, 2018
Title Company	FIRST AMERICAN TITLE

Transaction

Tax	$0.00
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	4338 CIRCLE AVE CASTRO VALLEY CA 945464648, CASTRO VALLEY, CA 94546-4648

Tax Assessment & Valuation

Source: Alameda County assessment roll, as of August 5, 2026

Property Jurisdictions

Type	Name
State	California
County	Alameda County
Unified School District	Castro Valley Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$326,715 (+2.04%) Land $100,201 Building $233,514
2025	$4,647.00 (+4.54%)	$320,172 (+1.81%) Land $98,236 Building $228,936
2023	$4,445.00 Homeowner's exemption	$314,469 Land $94,422 Building $220,047	$798,210

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Flood

Source: FEMA National Flood Hazard Layer, effective May 25, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Claims	1 (1997)
Claims Outside the SFHA	1 of 1
Most Recent Claim	Nov 1997 · river or lake flooding

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	Low lower than 80% of the US · lower than 88% of California
Wildfire Likelihood	0.01% annual chance
Exposure	None beyond 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	EAST BAY MUD serves 1,468,000 people · EPA ID CA0110005
Water Source	Surface water
Last State Inspection	Dec 2021
Lead	Under 1 ppb (2022–2024) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	None 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. This system sells water to local utilities; the supplier billing this address may be one of them.

Internet Providers

Source: FCC Broadband Data Collection, based on 804 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Sonic Telecom Fiber	10,000 / 10,000
AT&T Fiber · DSL · Fixed Wireless in parts of the area	5,000 / 5,000
Xfinity Cable	2,000 / 250
Verizon Fixed Wireless	300 / 20
T-Mobile Fixed Wireless	100 / 20

May also be available: Etheric Networks, GeoLinks.

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