18953 Patton Dr, Castro Valley, CA 94546 Property Records

Alameda County property record for 18953 Patton Dr, Castro Valley, CA 94546

Property Summary

Property Type	Single Family Home
Details	3 bd · 1 ba · 1,186 sqft · built 1948
Lot Size	0.115 acres (5,022 sqft)
Owner	Trust Name on File
Last Sale	$700,000 (Oct 2018)
Tax Bill	$10,000 (2025)
Deeds & Mortgages	Sep 2022 Line of Credit Dec 2021 Mortgage + 2 more
Flood Zone	Zone X (minimal risk)
APN	`84D-1341-45`

Property Details

APN / Parcel Number

Primary APN	`84D-1341-45`
Alternative APN	`084D-1341-045-00`

Interior

Bedrooms	3 Beds
Full Baths	1 Bath
Total Rooms	6 Rooms
Stories	1 Story
Building Area	1,186 sqft Living Area

Exterior

Year Built	Built 1948
Effective Year Built	Effective 1953
Architectural Style	L-Shape
Construction Type	Wood
Lot Area	5,022 sqft (0.115 acres)

Location & Zoning

Street Address	18953 PATTON DR
City	CASTRO VALLEY
State	CA
Zip	94546-3134
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT: 00045 BLK: AR: 084D PAGE: 1341
Jurisdiction	ALAMEDA CA
Township / Civil Division	HAYWARD
Census Block Group	2
Census Block	2001
Census Tract	430700

Owner

18953 Patton Dr is owner-occupied and held in a trust since May 2024.

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

Owner of Record	Trust Name on File
Mailing Address	18953 PATTON DR, CASTRO VALLEY, CA 94546-3134
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
Sep 9, 2022	Deed of Trust, Mortgage · Line of Credit PROVIDENT CU
Dec 1, 2021	Deed of Trust, Mortgage · Conventional Mortgage PROVIDENT CU
Oct 12, 2018	Grant Deed, Transfer · Conventional Mortgage WELLS FARGO BANK NA
Jul 2, 2018	Affidavit of Death, Transfer ATTORNEY ONLY

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Oct 12, 2018 · Amount on File
Deed Sale	Oct 12, 2018 · Amount on File
Deed Document Number	2018199447
Last Transfer Date	May 13, 2024
Transfer Doc	0000104266
Record Updated	Oct 29, 2026

September 2022: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ALAMEDA CA
Property Address	18953 PATTON DR, CASTRO VALLEY, CA 94546-3134
Transaction Type	Mortgage
Record Updated	Oct 5, 2022
Title Company	CHICAGO TITLE PIRT

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	18953 PATTON DR, CASTRO VALLEY, CA 94546-3134

Mortgage

Document Number	0000155504
Date	Sep 9, 2022
Instrument	2022155504

Lender

Name	PROVIDENT CU
Type	Credit Union
Address	REDWOOD CITY, CA 94065

Agreement

Type	Line of Credit
Amount	Amount on Record

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

December 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ALAMEDA CA
Property Address	18953 PATTON DR, CASTRO VALLEY, CA 94546-3134
Transaction Type	Mortgage
Record Updated	Dec 30, 2021
Title Company	FIRST AMERICAN TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	18953 PATTON DR, CASTRO VALLEY, CA 94546-3134

Mortgage

Document Number	0000385541
Date	Dec 1, 2021
Instrument	2021385541

Lender

Name	PROVIDENT CU
Type	Credit Union
Address	REDWOOD CITY, CA 94065

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	360 Months
Due	Dec 1, 2051

October 2018: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	ALAMEDA CA
Recording Date	Oct 12, 2018
Property Address	18953 PATTON DR, CASTRO VALLEY, CA 94546-3134
Document Number	0000199447
Instrument Date	Oct 2, 2018
Instrument	2018199447
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	Community Property with Right of Survivorship
Address	18953 PATTON DR, CASTRO VALLEY, CA 94546-3134

Mortgage

Document Number	0000199448
Date	Oct 12, 2018
Instrument	2018199448

Lender

Name	WELLS FARGO BANK NA
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Nov 1, 2048

July 2018: Affidavit of Death, Transfer

Document Type	Affidavit of Death
Jurisdiction	ALAMEDA CA
Recording Date	Jul 2, 2018
Property Address	18953 PATTON DR, CASTRO VALLEY, CA 94546-3134
Document Number	0000130722
Instrument Date	Jun 20, 2018
Instrument	130722
Transaction Type	Transfer
Record Updated	Jul 17, 2018
Title Company	ATTORNEY ONLY

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Personal Trust
Address	4636 JAMES AVE CASTRO VALLEY CA 945462446, CASTRO VALLEY, CA 94546-2446

Tax Assessment & Valuation

The 2025 property tax bill for 18953 Patton Dr was $10,000 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		$789,466 (+1.1%) Land $238,940 Building $557,526
2025	$10,000.00 Homeowner's exemption	$780,850 Land $234,255 Building $546,595
2023	$9,621.00 Homeowner's exemption	$750,532 Land $225,159 Building $525,373	$785,160

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

Flood

FEMA maps place 18953 Patton Dr in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 1998.

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	5 in force
Nearby Flood Claims	1 (1998)
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

Wildfire risk around 18953 Patton 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 938 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 · Fixed Wireless in parts of the area	5,000 / 5,000
Xfinity Cable	2,000 / 250
Etheric Networks Fixed Wireless	250 / 100

May also be available: GeoLinks, T-Mobile, Unwired, Verizon.

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