20274 Marshall St, Castro Valley, CA 94546 Property Records

Alameda County property record for 20274 Marshall St, Castro Valley, CA 94546

Property Summary

Property Type	Single Family Home
Details	6 bd · 3 ba · 2,887 sqft · built 1950
Lot Size	0.116 acres (5,050 sqft)
Owner	Trust Name on File
Last Sale	$439,000 (Jun 2009)
Tax Bill	$7,457 (2025)
Deeds & Mortgages	Jun 2021 Mortgage Feb 2020 Mortgage + 1 more
Flood Zone	Zone X (minimal risk)
APN	`84C-669-151`

Property Details

APN / Parcel Number

Primary APN	`84C-669-151`
Alternative APN	`084C-0669-151-00`

Interior

Bedrooms	6 Beds
Full Baths	3 Baths
Total Rooms	8 Rooms
Stories	1 Story
Building Area	2,887 sqft Living Area

Exterior

Year Built	Built 1950
Effective Year Built	Effective 1962
Architectural Style	L-Shape
Construction Type	Wood
Lot Area	5,050 sqft (0.116 acres)

Location & Zoning

Street Address	20274 MARSHALL ST
City	CASTRO VALLEY
State	CA
Zip	94546-4660
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT: 00151 BLK: AR: 084C PAGE: 0669
Jurisdiction	ALAMEDA CA
Township / Civil Division	HAYWARD
Census Block Group	3
Census Block	3011
Census Tract	430800

Owner

20274 Marshall St is owner-occupied and held in a trust since September 2015.

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

Owner of Record	Trust Name on File
Mailing Address	20274 MARSHALL ST, CASTRO VALLEY, CA 94546-4660
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust

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

Deeds, Mortgages & Sale History

Date	Document
Jun 28, 2021	Deed of Trust, Mortgage · Conventional Mortgage HOME POINT FINANCIAL CORPORATION
Feb 26, 2020	Deed of Trust, Mortgage · Conventional Mortgage QUICKEN LNS
Feb 1, 2019	Deed of Trust, Mortgage · Line of Credit BANK OF AMERICA

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Jun 12, 2009 · Amount on File
Deed Sale	Jun 12, 2009 · Amount on File
Prior Sale	Feb 11, 2009 · Amount on File
Deed Document Number	2009187259
Last Transfer Date	Sep 12, 2015
Transfer Doc	0000261800
Record Updated	Oct 29, 2026

June 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ALAMEDA CA
Property Address	20274 MARSHALL ST, CASTRO VALLEY, CA 94546-4660
Transaction Type	Mortgage
Record Updated	Jul 19, 2022
Title Company	ATLANTIS TITLE COMPANY, ATLAS TITLE COMPANY

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	20274 MARSHALL ST, CASTRO VALLEY, CA 94546-4660

Mortgage

Document Number	0000230339
Date	Jun 28, 2021
Instrument	2021230339

Lender

Name	HOME POINT FINANCIAL CORPORATION
Type	Mortgage Company
Address	PARSIPPANY, NJ 07054

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Jul 1, 2051

February 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ALAMEDA CA
Property Address	20274 MARSHALL ST, CASTRO VALLEY, CA 94546-4660
Document Number	0000049362
Instrument Date	Feb 26, 2020
Transaction Type	Mortgage
Record Updated	Apr 29, 2020
Title Company	FIDELITY NATIONAL TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Married Couple
Address	20274 MARSHALL ST CASTRO VALLEY CA 945464660, CASTRO VALLEY, CA 94546-4660

Mortgage

Document Number	0000049362
Date	Mar 2, 2020
Instrument	49362

Lender

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

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	360 Months
Due	Mar 1, 2050

February 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ALAMEDA CA
Property Address	20274 MARSHALL ST, CASTRO VALLEY, CA 94546-4660
Document Number	0000037149
Instrument Date	Feb 1, 2019
Transaction Type	Mortgage
Record Updated	Mar 14, 2019
Title Company	AMERICAN TITLE COMPANY, AMERICAN TITLE CO

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Personal Trust
Address	20274 MARSHALL ST CASTRO VALLEY CA 945464660, CASTRO VALLEY, CA 94546-4660

Mortgage

Document Number	0000037149
Date	Feb 27, 2019
Instrument	37149

Lender

Name	BANK OF AMERICA
Type	Bank
Address	TAMPA, FL 33634

Agreement

Type	Line of Credit
Amount	Amount on Record

Interest

Rate Type	Adjustable Rate

Tax Assessment & Valuation

The 2025 property tax bill for 20274 Marshall St was $7,457 with a homeowner's exemption.

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		$569,590 (+0.76%) Land $172,977 Building $403,613
2025	$7,457.00 Homeowner's exemption	$565,286 Land $169,586 Building $395,700
2023	$7,162.00 Homeowner's exemption	$543,341 Land $163,002 Building $380,339	$1,214,640

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

Flood

FEMA maps place 20274 Marshall St in Zone X, an area of minimal flood risk.

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

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it

Values are read at the parcel center point; lenders make the official flood determination.

Wildfire

Wildfire risk around 20274 Marshall St is low, with a 0.01% annual chance of 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.

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