20004 Shadow Creek Cir, Castro Valley, CA 94552 Property Records

Alameda County property record for 20004 Shadow Creek Cir, Castro Valley, CA 94552

Property Summary

Property Type	Single Family Home
Details	4 bd · 2.5 ba · 1,820 sqft · built 1998
Lot Size	0.069 acres (3,015 sqft)
Owner	2 Individual Names on Record
Last Sale	$1,350,000 (Sep 2024)
Tax Bill	$16,716 (2025)
Deeds & Mortgages	Sep 2020 Mortgage Sep 2020 Transfer + 3 more
Flood Zone	Zone X (minimal risk)
APN	`85-5300-105`

Property Details

APN / Parcel Number

Primary APN	`85-5300-105`
Alternative APN	`085-5300-105-00`

Interior

Bedrooms	4 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	8 Rooms
Stories	2 Stories
Building Area	1,820 sqft Living Area

Exterior

Year Built	Built 1998
Effective Year Built	Effective 1998
Architectural Style	L-Shape
Construction Type	Wood
Lot Area	3,015 sqft (0.069 acres)
Parking Spaces	2 Parking Spaces

Location & Zoning

Street Address	20004 SHADOW CREEK CIR
City	CASTRO VALLEY
State	CA
Zip	94552-3744
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT: 00008 BLK: TR: 6910
Legal Subdivision	TRACT 6910
Legal Tract	6910
Legal Lot Number	8
Jurisdiction	ALAMEDA CA
Township / Civil Division	HAYWARD
Census Block Group	1
Census Block	1003
Census Tract	430101

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	20004 SHADOW CREEK CIR, CASTRO VALLEY, CA 94552-3744
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Community Property

Deeds, Mortgages & Sale History

Date	Document
Sep 18, 2020	Deed of Trust, Mortgage · Conventional Mortgage MASON MCDUFFIE MTG
Sep 25, 2020	Correction Deed, Transfer STEWART TITLE, STEWART TITLE/CA
Sep 30, 2019	Deed of Trust, Mortgage FIRST AMERICAN TITLE
May 23, 2019	Quit Claim Deed, Mortgage · Conventional Mortgage GLOBAL EQUITY FIN
Feb 20, 2018	Deed of Trust, Mortgage FIRST AMERICAN TITLE

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Sep 27, 2024 · Amount on Record
Deed Sale	Sep 27, 2024 · Amount on Record
Prior Sale	Jan 9, 2003 · Amount on Record
Deed Document Number	2024118560
Prior Transfer Date	Sep 18, 2020
Prior Transfer Doc	0000248720
Record Updated	Oct 29, 2026

September 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ALAMEDA CA
Property Address	20004 SHADOW CREEK CIR, CASTRO VALLEY, CA 94552-3744
Document Number	0000248721
Instrument Date	Sep 18, 2020
Transaction Type	Mortgage
Record Updated	Dec 10, 2020
Title Company	STEWART TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants with Right of Survivorship
Address	20004 SHADOW CREEK CIR CASTRO VALLEY CA 945523744, CASTRO VALLEY, CA 94552-3744

Mortgage

Document Number	0000248721
Date	Sep 25, 2020
Instrument	248721

Lender

Name	MASON MCDUFFIE MTG
Type	Mortgage Company
Address	SAN RAMON, CA 94583

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Sep 24, 2050

September 2020: Correction Deed, Transfer

Document Type	Correction Deed
Jurisdiction	ALAMEDA CA
Recording Date	Sep 25, 2020
Property Address	20004 SHADOW CREEK CIR, CASTRO VALLEY, CA 94552-3744
Document Number	0000248720
Instrument Date	Sep 18, 2020
Instrument	248720
Transaction Type	Transfer
Record Updated	Dec 10, 2020
Title Company	STEWART TITLE, STEWART TITLE/CA

Transaction

Tax	$0.00
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants with Right of Survivorship
Address	20004 SHADOW CREEK CIR CASTRO VALLEY CA 945523744, CASTRO VALLEY, CA 94552-3744

September 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ALAMEDA CA
Property Address	20004 SHADOW CREEK CIR, CASTRO VALLEY, CA 94552-3744
Document Number	0000230262
Instrument Date	Sep 30, 2019
Transaction Type	Mortgage
Record Updated	Dec 12, 2019
Title Company	FIRST AMERICAN TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	20004 SHADOW CREEK CIR CASTRO VALLEY CA 945523744, CASTRO VALLEY, CA 94552-3744

May 2019: Quit Claim Deed, Mortgage

Document Type	Quit Claim Deed
Jurisdiction	ALAMEDA CA
Recording Date	May 23, 2019
Property Address	20004 SHADOW CREEK CIR, CASTRO VALLEY, CA 94552-3744
Document Number	0000096573
Instrument Date	Mar 6, 2019
Instrument	96573
Transaction Type	Mortgage
Record Updated	Jun 12, 2019
Title Company	STEWART TITLE, STEWART TITLE GUARANTY CO

Transaction

Tax	$0.00
Additional	Quitclaim

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants with Right of Survivorship
Address	20004 SHADOW CREEK CIR CASTRO VALLEY CA 945523744, CASTRO VALLEY, CA 94552-3744

Mortgage

Document Number	96574
Date	May 23, 2019
Instrument	96574

Lender

Name	GLOBAL EQUITY FIN
Type	Funding / Finance Company
Address	SAN DIEGO, CA 92108

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	May 22, 2049

February 2018: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ALAMEDA CA
Property Address	20004 SHADOW CREEK CIR, CASTRO VALLEY, CA 94552-3744
Document Number	0000058903
Instrument Date	Feb 20, 2018
Transaction Type	Mortgage
Record Updated	Apr 10, 2018
Title Company	FIRST AMERICAN TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	20004 SHADOW CREEK CIR CASTRO VALLEY CA 945523744, CASTRO VALLEY, CA 94552-3744

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		$1,370,000 (+1.48%) Land $413,100 Building $963,900
2025	$16,716.00 (+79.65%) Homeowner's exemption	$1,350,000 (+88.32%) Land $405,000 Building $945,000
2023	$9,305.00	$716,868 Land $215,060 Building $501,808	$1,225,260

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 (1998)
Claims Outside the SFHA	1 of 1
Most Recent Claim	Feb 1998 · Severe Winter Storms And 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 63% of the US · lower than 78% of California
Wildfire Likelihood	0.05% annual chance
Exposure	Indirect 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 228 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 250
T-Mobile Fixed Wireless	100 / 20

May also be available: AT&T, Etheric Networks, Unwired, Verizon.

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