20453 Stanton Ave, Castro Valley, CA 94546 Property Records

Alameda County property record for 20453 Stanton Ave, Castro Valley, CA 94546

Property Summary

Property Type	Duplex
Details	4 bd · 2 ba · 1,758 sqft · built 1957
Lot Size	0.114 acres (4,981 sqft)
Owner	Company Name on Record
Last Sale	$865,000 (Sep 2018)
Tax Bill	$12,989 (2025)
Deeds & Mortgages	Jul 2026 Mortgage Jun 2019 Mortgage + 1 more
Flood Zone	Zone X (minimal risk)
APN	`84A-216-21`

Property Details

APN / Parcel Number

Primary APN	`84A-216-21`
Alternative APN	`084A-0216-021-00`

Interior

Bedrooms	4 Beds
Full Baths	2 Baths
Total Rooms	8 Rooms
Units	2 Units
Stories	1 Story
Building Area	1,758 sqft Living Area

Exterior

Year Built	Built 1957
Effective Year Built	Effective 1957
Construction Type	Wood
Lot Area	4,981 sqft (0.114 acres)

Location & Zoning

Street Address	20453 STANTON AVE
City	CASTRO VALLEY
State	CA
Zip	94546-5227
Property Category	Residential
Property Type	Residential > Multi-Unit > Duplex
Legal Description	LOT: 00021 BLK: AR: 084A PAGE: 0216
Legal Subdivision	987 EDEN TOWNSHIP
Jurisdiction	ALAMEDA CA
Township / Civil Division	HAYWARD
Census Block Group	2
Census Block	2002
Census Tract	430600

Owner

Source: Alameda County records, as of August 18, 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	2681 HILLCREST AVE, HAYWARD, CA 94542-1614
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Date	Document
Jul 1, 2026	Deed of Trust, Mortgage · Conventional Mortgage ROCKET MORTGAGE LLC
Jun 19, 2019	Intrafamily Transfer, Transfer · ARM FIRST REPUBLIC BANK
Sep 12, 2018	Grant Deed, Transfer · Conventional Mortgage FINANCE OF AMERICA MORTGAGE LLC

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Sep 12, 2018 · Amount on Record
Deed Sale	Sep 12, 2018 · Amount on Record
Deed Document Number	2018177686
Last Transfer Date	Jun 7, 2019
Transfer Doc	0000115818
Record Updated	Sep 20, 2026

July 2026: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ALAMEDA CA
Recording Date	Jul 1, 2026
Property Address	20453 STANTON AVE, CASTRO VALLEY, CA 94546-5227
Document Number	0000086149
Instrument Date	Jun 29, 2026
Instrument	202686149
Transaction Type	Mortgage
Record Updated	Aug 18, 2026
Title Company	NONE LISTED ON DOCUMENT

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Family Trust, 221
Address	2681 HILLCREST AVE, HAYWARD, CA 94542-1614

Mortgage

Document Number	0000086149,
Date	Jul 1, 2026
Instrument	202686149

Lender

Name	ROCKET MORTGAGE LLC

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Jul 1, 2056

Interest

Rate Type	Adjustable Rate
Rate	5.75%
Initial Type	Adjustable Rate
Adjustable	Adjustable Rate Rider
Max Rate	-1%

June 2019: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	ALAMEDA CA
Recording Date	Jun 19, 2019
Property Address	20453 STANTON AVE, CASTRO VALLEY, CA 94546-5227
Document Number	0000115818
Instrument Date	Jun 7, 2019
Instrument	2019115818
Transaction Type	Transfer
Record Updated	Aug 22, 2022
Title Company	FIDELITY NATIONAL TITLE CO

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	2681 HILLCREST AVE, HAYWARD, CA 94542-1614

Mortgage

Document Number	0000115819
Date	Jun 19, 2019
Instrument	2019115819

Lender

Name	FIRST REPUBLIC BANK
Type	Bank
Address	SAN FRANCISCO, CA 94111

Agreement

Type	ARM
Amount	Amount Recorded
Term	361 Months
Due	Jul 1, 2049

Interest

Rate Type	Adjustable Rate
Rate	3.8%
Type Change Date	Sep 1, 2024
Change Frequency	Monthly
Min Rate At Change	2.95%
Max Rate At Change	10.9%
Index	1-Year CMT
Max Rate	10.9%

September 2018: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	ALAMEDA CA
Recording Date	Sep 12, 2018
Property Address	20453 STANTON AVE, CASTRO VALLEY, CA 94546-5227
Document Number	0000177686
Instrument Date	Sep 4, 2018
Instrument	2018177686
Transaction Type	Transfer
Record Updated	Aug 22, 2022
Title Company	FIDELITY NATIONAL TITLE COMP

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$0.00
Amount Accuracy	Calculated from Transfer Tax
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	2681 HILLCREST AVE, HAYWARD, CA 94542-1614

Mortgage

Document Number	0000177687
Date	Sep 12, 2018
Instrument	2018177687

Lender

Name	FINANCE OF AMERICA MORTGAGE LLC
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Oct 1, 2048

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
2026		$984,204 (+2%) Land $295,261 Building $688,943
2025	$12,989.00 (+2.38%)	$964,907 (+4.04%) Land $289,472 Building $675,435
2024	$12,687.00 (+1.78%)
2023	$12,465.00	$927,444 Land $278,233 Building $649,211

Assessed value is set for property tax purposes and is not a market price estimate.

Flood

Source: FEMA National Flood Hazard Layer, effective May 25, 2026

FEMA Flood Zone	Zone X minimal risk
Nearest Special Flood Hazard Area	Zone AE, within 500 ft
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	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 709 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 in parts of the area	5,000 / 5,000
Xfinity Cable	2,000 / 2,000
Unwired Fixed Wireless	300 / 25
Verizon Fixed Wireless	300 / 20
Etheric Networks Fixed Wireless	250 / 100

May also be available: GeoLinks, T-Mobile.

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