20308 Stanton Ave, Castro Valley, CA 94546 Property Records

Alameda County property record for 20308 Stanton Ave, Castro Valley, CA 94546

Property Summary

Property Type	Quadplex
Details	8 bd · 5 ba · 3,736 sqft · built 1961
Lot Size	0.126 acres (5,500 sqft)
Owner	Company Name on Record
Last Sale	$1,100,000 (Nov 2020)
Tax Bill	$17,034 (2025)
Deeds & Mortgages	Nov 2020 Transfer Nov 2020 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`84A-181-12`

Property Details

APN / Parcel Number

Primary APN	`84A-181-12`
Alternative APN	`084A-0181-012-00`

Interior

Bedrooms	8 Beds
Full Baths	5 Baths
Total Rooms	20 Rooms
Units	4 Units
Stories	2 Stories
Building Area	3,736 sqft Living Area

Exterior

Year Built	Built 1961
Effective Year Built	Effective 1961
Construction Type	Wood
Lot Area	5,500 sqft (0.126 acres)

Location & Zoning

Street Address	20308 STANTON AVE
City	CASTRO VALLEY
State	CA
Zip	94546-5226
Property Category	Residential
Property Type	Residential > Multi-Unit > Quadplex
Legal Description	LOT: 00012 BLK: AR: 084A PAGE: 0181
Legal Subdivision	STANTON #1
Legal Tract	1
Legal Lot Number	14
Jurisdiction	ALAMEDA CA
Township / Civil Division	HAYWARD
Census Block Group	3
Census Block	3000
Census Tract	430900

Owner

Source: Alameda County records, as of August 5, 2026

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Owner of Record	Company Name on Record
Mailing Address	22555 YOLO ST, HAYWARD, CA 94541-6239
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Date	Document
Nov 13, 2020	Affidavit of Death, Transfer CHICAGO TITLE COMPANY, CHICAGO TITLE CO
Nov 13, 2020	Grant Deed, Transfer · Conventional Mortgage NATIONS DIRECT MORTGAGE LLC

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Nov 13, 2020 · Amount on Record
Deed Sale	Nov 13, 2020 · Amount on Record
Deed Document Number	2020310651
Prior Transfer Date	Nov 6, 2020
Prior Transfer Doc	0000310650
Record Updated	Sep 20, 2026

November 2020: Affidavit of Death, Transfer

Document Type	Affidavit of Death
Jurisdiction	ALAMEDA CA
Recording Date	Nov 13, 2020
Property Address	20308 STANTON AVE, CASTRO VALLEY, CA 94546-5226
Document Number	0000310650
Instrument Date	Oct 20, 2020
Instrument	310650
Transaction Type	Transfer
Record Updated	Feb 2, 2021
Title Company	CHICAGO TITLE COMPANY, CHICAGO TITLE CO

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	1560 PONDERHILL WAY PLACERVILLE CA 956679187, PLACERVILLE, CA 95667-9187

November 2020: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	ALAMEDA CA
Recording Date	Nov 13, 2020
Property Address	20308 STANTON AVE, CASTRO VALLEY, CA 94546-5226
Document Number	0000310651
Map Reference	MB 17 PG 6
Instrument Date	Oct 19, 2020
Instrument	2020310651
Transaction Type	Transfer
Record Updated	Aug 22, 2022
Title Company	CHICAGO TITLE COMPANY

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$1,210.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	2501 PENNING CT, CASTRO VALLEY, CA 94546

Mortgage

Document Number	0000310652
Date	Nov 13, 2020
Instrument	2020310652

Lender

Name	NATIONS DIRECT MORTGAGE LLC
Type	Mortgage Company

Agreement

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

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		$1,214,465 (+2%) Land $364,339 Building $850,126
2025	$17,034.00 (+4.66%)	$1,190,661 (+4.04%) Land $357,198 Building $833,463
2023	$16,275.00	$1,144,440 Land $343,332 Building $801,108

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 · 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
Community Rating System	Class 7 (15% premium discount)
Nearby Flood Policies	4 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	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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