18322 Joseph Dr, Castro Valley, CA 94546 Property Records

Alameda County property record for 18322 Joseph Dr, Castro Valley, CA 94546

Property Summary

Property Type	Single Family Home
Details	4 bd · 2 ba · 1,700 sqft · built 1956
Lot Size	0.114 acres (4,980 sqft)
Owner	2 Individual Names on File
Last Sale	$970,000 (Aug 2019)
Tax Bill	$13,304 (2025)
Deeds & Mortgages	Aug 2021 Mortgage Nov 2020 Mortgage + 1 more
Flood Zone	Zone X (minimal risk)
APN	`84D-1207-27`

Property Details

APN / Parcel Number

Primary APN	`84D-1207-27`
Alternative APN	`084D-1207-027-00`

Interior

Bedrooms	4 Beds
Full Baths	2 Baths
Total Rooms	8 Rooms
Stories	2 Stories
Building Area	1,700 sqft Living Area

Exterior

Year Built	Built 1956
Effective Year Built	Effective 1957
Architectural Style	L-Shape
Construction Type	Wood
Lot Area	4,980 sqft (0.114 acres)
Parking Spaces	2 Parking Spaces

Location & Zoning

Street Address	18322 JOSEPH DR
City	CASTRO VALLEY
State	CA
Zip	94546-2204
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT: 00018 BLK: 000D TR: 1639
Legal Subdivision	TRACT 1639
Legal Tract	1639
Legal Block	D
Legal Lot Number	18
Jurisdiction	ALAMEDA CA
Township / Civil Division	HAYWARD
Census Block Group	3
Census Block	3000
Census Tract	430300

Owner

18322 Joseph Dr is owned and occupied by two individuals who bought it in August 2019.

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	2 Individual Names on File
Mailing Address	18322 JOSEPH DR, CASTRO VALLEY, CA 94546-2204
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Aug 27, 2021	Deed of Trust, Mortgage · Conventional Mortgage ALLY BANK
Nov 3, 2020	Deed of Trust, Mortgage · Conventional Mortgage GUARANTEED RATE INC
Aug 22, 2019	Grant Deed, Transfer · Conventional Mortgage GUARANTEED RATE INC

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Aug 22, 2019 · Amount on File
Deed Sale	Aug 22, 2019 · Amount on File
Prior Sale	Jul 15, 2010 · Amount on File
Deed Document Number	2019163604
Prior Transfer Date	Jun 26, 2010
Prior Transfer Doc	0000178912
Record Updated	Oct 29, 2026

August 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ALAMEDA CA
Property Address	18322 JOSEPH DR, CASTRO VALLEY, CA 94546-2204
Transaction Type	Mortgage
Record Updated	Sep 20, 2021
Title Company	FIRST AMERICAN TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	18322 JOSEPH DR, CASTRO VALLEY, CA 94546-2204

Mortgage

Document Number	0000292316
Date	Aug 27, 2021
Instrument	2021292316

Lender

Name	ALLY BANK
Type	Bank
Address	CHARLOTTE, NC 28202

Agreement

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

November 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ALAMEDA CA
Property Address	18322 JOSEPH DR, CASTRO VALLEY, CA 94546-2204
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	FIRST AMERICAN TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	18322 JOSEPH DR, CASTRO VALLEY, CA 94546-2204

Mortgage

Document Number	0000294789
Date	Nov 3, 2020
Instrument	2020294789

Lender

Name	GUARANTEED RATE INC
Type	Mortgage Company
Address	CHICAGO, IL 60613

Agreement

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

August 2019: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	ALAMEDA CA
Recording Date	Aug 22, 2019
Property Address	18322 JOSEPH DR, CASTRO VALLEY, CA 94546-2204
Document Number	0000163604
Map Reference	MB 37 PG 14
Instrument Date	Aug 16, 2019
Instrument	2019163604
Transaction Type	Transfer
Record Updated	Aug 19, 2021
Title Company	OLD REPUBLIC TITLE COMPANY

Transaction

Amount	Amount on Record
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	Joint Tenants
Address	18322 JOSEPH DR, CASTRO VALLEY, CA 94546-2204

Mortgage

Document Number	0000163605
Date	Aug 22, 2019
Instrument	2019163605

Lender

Name	GUARANTEED RATE INC
Type	Non-Lending Institution

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Sep 1, 2049

Mortgage

Document Number	0000163606
Date	Aug 22, 2019
Instrument	2019163606

Lender

Name	TCF NATIONAL BANK
Type	Bank
Address	SIOUX FALLS, SD 57106

Agreement

Type	Line of Credit
Amount	Amount on Record
Term	360 Months
Due	Aug 23, 2049

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

Tax Assessment & Valuation

The 2025 property tax bill for 18322 Joseph Dr was $13,304 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		$1,075,034 (+1.34%) Land $324,610 Building $757,424
2025	$13,304.00 Homeowner's exemption	$1,060,820 Land $318,246 Building $742,574
2023	$12,816.00 Homeowner's exemption	$1,019,634 Land $305,890 Building $713,744	$1,197,540

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

Flood

FEMA maps place 18322 Joseph Dr in Zone X, an area of minimal flood risk.

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

Wildfire risk around 18322 Joseph Dr 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 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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