18366 Joseph Dr, Castro Valley, CA 94546 Property Records

Alameda County property record for 18366 Joseph Dr, Castro Valley, CA 94546

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,172 sqft · built 1954
Lot Size	0.122 acres (5,300 sqft)
Owner	2 Individual Names on Record
Last Sale	$735,000 (Nov 2019)
Tax Bill	$10,354 (2025)
Deeds & Mortgages	Feb 2024 Line of Credit Mar 2021 Mortgage + 1 more
Flood Zone	Zone X (minimal risk)
APN	`84D-1209-5`

Property Details

APN / Parcel Number

Primary APN	`84D-1209-5`
Alternative APN	`084D-1209-005-00`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	5 Rooms
Stories	1 Story
Building Area	1,172 sqft Living Area
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1954
Effective Year Built	Effective 1955
Architectural Style	L-Shape
Exterior Material	Stucco
Construction Type	Wood
Roof Material	Tar & Gravel
Lot Area	5,300 sqft (0.122 acres)

Utilities, Heating & Cooling

Heating System	Forced Air with A/C
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	18366 JOSEPH DR
City	CASTRO VALLEY
State	CA
Zip	94546-2204
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT: 00005 BLK: 0002 TR: 1236
Legal Subdivision	TRACT 1236
Legal Tract	1236
Legal Lot Number	5
Jurisdiction	ALAMEDA CA
Township / Civil Division	HAYWARD
Census Block Group	3
Census Block	3000
Census Tract	430300

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	18366 JOSEPH DR, CASTRO VALLEY, CA 94546-2204
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Feb 13, 2024	Deed of Trust, Mortgage · Line of Credit STANFORD FCU
Mar 30, 2021	Deed of Trust, Mortgage · VA Mortgage FLAGSTAR BANK FSB
Nov 21, 2019	Grant Deed, Transfer · VA Mortgage FLAGSTAR BANK FSB

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Nov 21, 2019 · Amount on Record
Deed Sale	Nov 21, 2019 · Amount on Record
Prior Sale	Apr 28, 2000 · Amount on Record
Deed Document Number	2019239652
Prior Transfer Date	Feb 18, 2016
Prior Transfer Doc	0000046565
Record Updated	Oct 29, 2026

February 2024: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ALAMEDA CA
Property Address	18366 JOSEPH DR, CASTRO VALLEY, CA 94546-2204
Transaction Type	Mortgage
Record Updated	Mar 20, 2024
Title Company	ATLANTIS TITLE COMPANY, ATLAS TITLE COMPANY

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	18366 JOSEPH DR, CASTRO VALLEY, CA 94546-2204
Investor	Possibly a Property Investor

Mortgage

Document Number	0000024565
Date	Feb 13, 2024
Instrument	2024024565

Lender

Name	STANFORD FCU
Type	Credit Union
Address	PALO ALTO, CA 94303

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	240 Months
Due	Feb 15, 2044

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

March 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ALAMEDA CA
Property Address	18366 JOSEPH DR, CASTRO VALLEY, CA 94546-2204
Transaction Type	Mortgage
Record Updated	Apr 21, 2021
Title Company	FIDELITY NATIONAL TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	18366 JOSEPH DR, CASTRO VALLEY, CA 94546-2204

Mortgage

Document Number	0000127639
Date	Mar 30, 2021
Instrument	2021127639

Lender

Name	FLAGSTAR BANK FSB
Type	Bank
Address	TROY, MI 48098

Agreement

Type	VA Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Apr 1, 2051

November 2019: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	ALAMEDA CA
Recording Date	Nov 21, 2019
Property Address	18366 JOSEPH DR, CASTRO VALLEY, CA 94546-2204
Document Number	0000239652
Map Reference	MB 33 PG 81
Instrument Date	Nov 18, 2019
Instrument	2019239652
Transaction Type	Transfer
Record Updated	Aug 19, 2021
Title Company	FIRST AMERICAN TITLE COMPANY

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$0.00
Amount Accuracy	Rounded by County
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	18366 JOSEPH DR, CASTRO VALLEY, CA 94546-2204
Investor	Possibly a Property Investor

Mortgage

Document Number	0000239653
Date	Nov 21, 2019
Instrument	2019239653

Lender

Name	FLAGSTAR BANK FSB
Type	Bank

Agreement

Type	VA Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Dec 1, 2049

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		$819,891 (+2%) Land $245,967 Building $573,924
2025	$10,354.00 (+3.89%)	$803,817 (+4.04%) Land $241,145 Building $562,672
2023	$9,966.00	$772,608 Land $231,782 Building $540,826	$967,950

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
Community Rating System	Class 7 (15% premium discount)
Nearby Flood Policies	1 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	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 666 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 / 250
Verizon Fixed Wireless	300 / 20

May also be available: Etheric Networks, T-Mobile, Unwired.

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