4255 Circle Ave, Castro Valley, CA 94546 Property Records

Alameda County property record for 4255 Circle Ave, Castro Valley, CA 94546

Property Summary

Property Type	Single Family Home
Details	2 bd · 2 ba · 1,674 sqft · built 1955
Lot Size	0.229 acres (9,971 sqft)
Owner	2 Individual Names on Record
Last Sale	$1,300,000 (Aug 2025)
Tax Bill	$4,090 (2025)
Deeds & Mortgages	Feb 2026 Mortgage Mar 2022 Line of Credit + 5 more
Flood Zone	Zone X (minimal risk)
APN	`84C-674-38-5`

Property Details

APN / Parcel Number

Primary APN	`84C-674-38-5`
Alternative APN	`084C-0674-038-05`

Interior

Bedrooms	2 Beds
Full Baths	2 Baths
Total Rooms	6 Rooms
Stories	1 Story
Building Area	1,674 sqft Living Area

Exterior

Year Built	Built 1955
Effective Year Built	Effective 1955
Architectural Style	L-Shape
Construction Type	Wood
Lot Area	9,971 sqft (0.229 acres)

Location & Zoning

Street Address	4255 CIRCLE AVE
City	CASTRO VALLEY
State	CA
Zip	94546-4602
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT: 00001 BLK: 0001 TR: 0749 ;LOT: 00004 BLK: TR: 1245 ;LOT: 00005 BLK: TR: 1245
Legal Subdivision	TRACT 1245
Legal Tract	0749
Jurisdiction	ALAMEDA CA
Township / Civil Division	HAYWARD
Census Block Group	2
Census Block	2003
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	4255 CIRCLE AVE, CASTRO VALLEY, CA 94546-4602
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Community Property

Deeds, Mortgages & Sale History

Date	Document
Feb 24, 2026	Deed of Trust, Mortgage · Conventional Mortgage ROCKET MORTGAGE LLC
Mar 15, 2022	Deed of Trust, Mortgage · Line of Credit US BANK NA
Oct 13, 2021	Deed of Trust, Mortgage · Conventional Mortgage US BANK NA
Jun 22, 2020	Deed of Trust, Mortgage · Conventional Mortgage US BANK NA
Oct 13, 2017	Deed of Trust, Mortgage · Line of Credit US BK
Aug 21, 2017	Quit Claim Deed, Transfer Quitclaim
Aug 11, 2017	Intrafamily Transfer, Transfer

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Aug 13, 2025 · Amount on Record
Deed Sale	Aug 13, 2025 · Amount on Record
Deed Document Number	2025101866
Prior Transfer Date	Nov 22, 2024
Prior Transfer Doc	0000149135
Record Updated	Sep 20, 2026

February 2026: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ALAMEDA CA
Property Address	4255 CIRCLE AVE, CASTRO VALLEY, CA 94546-4602
Transaction Type	Mortgage
Record Updated	Apr 1, 2026

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	4255 CIRCLE AVE, CASTRO VALLEY, CA 94546-4602

Mortgage

Document Number	0000026298
Date	Feb 24, 2026
Instrument	2026026298

Lender

Name	ROCKET MORTGAGE LLC
Type	Mortgage Company
Address	1050 WOODWARD AVE, DETROIT, MI 48226

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Mar 1, 2056

March 2022: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ALAMEDA CA
Property Address	4255 CIRCLE AVE, CASTRO VALLEY, CA 94546-4602
Transaction Type	Mortgage
Record Updated	Mar 30, 2022

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	4255 CIRCLE AVE, CASTRO VALLEY, CA 94546-4602

Mortgage

Document Number	0000053828
Date	Mar 15, 2022
Instrument	2022053828

Lender

Name	US BANK NA
Type	Bank
Address	CINCINNATI, OH 45202

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	360 Months
Due	Mar 1, 2052

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

October 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ALAMEDA CA
Property Address	4255 CIRCLE AVE, CASTRO VALLEY, CA 94546-4602
Transaction Type	Mortgage
Record Updated	Nov 2, 2021
Title Company	OLD REPUBLIC TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	4255 CIRCLE AVE, CASTRO VALLEY, CA 94546-4602

Mortgage

Document Number	0000339764
Date	Oct 13, 2021
Instrument	2021339764

Lender

Name	US BANK NA
Type	Bank
Address	OWENSBORO, KY 42301

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Nov 1, 2051

June 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ALAMEDA CA
Property Address	4255 CIRCLE AVE, CASTRO VALLEY, CA 94546-4602
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	OLD REPUBLIC TTL CO PLEASANT

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000144106
Date	Jun 22, 2020
Instrument	2020144106

Lender

Name	US BANK NA
Type	Bank
Address	OWENSBORO, KY 42301

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Jul 1, 2050

October 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ALAMEDA CA
Property Address	4255 CIRCLE AVE, CASTRO VALLEY, CA 94546-4602
Document Number	0000275934
Instrument Date	Oct 13, 2017
Transaction Type	Mortgage
Record Updated	Jan 8, 2018
Title Company	SOLIDIFI US INC

Transaction

Additional	Multiple Parcels

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Married Couple
Address	4255 CIRCLE AVE CASTRO VALLEY CA 945464602, CASTRO VALLEY, CA 94546-4602

Mortgage

Document Number	0000275934
Date	Dec 14, 2017
Instrument	275934

Lender

Name	US BK
Type	Bank
Address	CINCINNATI, OH 45202

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	360 Months
Due	Dec 13, 2047

Interest

Rate Type	Adjustable Rate

August 2017: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	ALAMEDA CA
Recording Date	Aug 21, 2017
Property Address	4255 CIRCLE AVE, CASTRO VALLEY, CA 94546-4602
Document Number	0000182632
Instrument Date	Aug 9, 2017
Instrument	182632
Transaction Type	Transfer
Record Updated	Sep 18, 2017

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants with Right of Survivorship
Address	4255 CIRCLE AVE CASTRO VALLEY CA 945464602, CASTRO VALLEY, CA 94546-4602

August 2017: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	ALAMEDA CA
Recording Date	Aug 11, 2017
Property Address	4255 CIRCLE AVE, CASTRO VALLEY, CA 94546-4602
Document Number	0000176057
Map Reference	MAP33 PG79
Instrument Date	Aug 3, 2017
Instrument	2017176057
Transaction Type	Transfer
Record Updated	Aug 19, 2021

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
Address	4255 CIRCLE AVE, CASTRO VALLEY, CA 94546-4602

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		$1,293,000 (+373.67%) Land $390,000 Building $910,000
2025	$4,090.00 (+2.56%)	$272,974 (+1.44%) Land $126,254 Building $153,720
2024	$3,988.00 (+2.1%)
2023	$3,906.00 Homeowner's exemption	$269,104 Land $121,352 Building $147,752	$1,041,120

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 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 777 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
Etheric Networks Fixed Wireless	250 / 100
T-Mobile Fixed Wireless	100 / 20

May also be available: GeoLinks.

Nearby Properties on Circle Ave

Nearby Streets

Search Property Records by Address or Parcel Number

Search by:

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